Update version

Closes #208

.github/FUNDING.yml

@@ -0,0 +1,4 @@
+github: Tyrrrz
+patreon: Tyrrrz
+open_collective: Tyrrrz
+custom: ['buymeacoffee.com/Tyrrrz']

Changelog.md

@@ -1,3 +1,48 @@
+### v2.15 (15-Sep-2019)
+
+- Improved markdown parser and made it even faster for non-HTML formats.
+- [HTML] Added support for block quotes.
+- [HTML] Links pointing to a Discord message will now navigate to the linked message inside exported chat log if it's there. 
+- [HTML] Updated light theme to match how it looks in Discord after recent changes.
+- [HTML] Added indication for when a message is pinned. Pinned messages now have a tinted background.
+- [HTML] Fixed an issue where multiline code blocks sometimes had incorrect formatting applied to them.
+- [TXT] Added indication for when a message is pinned. Pinned messages now have `(pinned)` next to timestamp and author.
+- [CSV] Added message author's user ID to output.
+- [GUI] Streamlined auto-update process a bit.
+- [GUI] Added some tooltips.
+
+### v2.14 (15-Jun-2019)
+
+- [TXT] Added support for embeds.
+- [TXT] Added support for reactions.
+- [CSV] Added support for reactions.
+- [TXT] Changed how attachments are rendered.
+
+### v2.13.1 (06-Jun-2019)
+
+- Fixed an issue where the app sometimes crashed when exporting due to `System.InvalidCastException`.
+- [HTML] Added `data-user-id` attribute to `span.chatlog__author-name`. The value of this attribute is author's Discord user ID.
+
+### v2.13 (15-May-2019)
+
+- Updated usage instructions.
+- [HTML] Added BOT tags to messages posted by bots.
+- [GUI] UI will now be disabled when exporting.
+- [GUI] Notification informing that the export has completed will now appear after all exports have completed, instead of each of them separately.
+
+### v2.12.1 (12-Apr-2019)
+
+- [GUI] Fixed an issue where the app crashed when trying to export multiple channels.
+- [HTML] Fixed an issue where some of the emojis were rendered via Twemoji while Discord renders them as plain text.
+- [HTML] Fixed an issue where emojis weren't jumbo if there were more than one of them.
+
+### v2.12 (11-Apr-2019)
+
+- Improved markdown parsing performance which speeds up the final stage of exporting by around 4.5 times.
+- Improved performance when exporting as PlainText or CSV.
+- [GUI] Fixed an issue where the app would freeze up and report as "not responding" during the final stage of exporting.
+- [CLI] Fixed an issue where it would say "Completed" after exporting a chat log, even if the process failed.
+
 ### v2.11 (14-Mar-2019)
 
 - [HTML] Added syntax highlighting for multiline code blocks via Highlight.js.

Deploy/Prepare.ps1

@@ -1,13 +1,21 @@
-New-Item "$PSScriptRoot\bin" -ItemType Directory -Force
+New-Item "$PSScriptRoot\Portable\bin" -ItemType Directory -Force
 
-# GUI
+# --- GUI ---
+
+# Get files
 $files = @()
 $files += Get-Item -Path "$PSScriptRoot\..\License.txt"
 $files += Get-ChildItem -Path "$PSScriptRoot\..\DiscordChatExporter.Gui\bin\Release\*" -Include "*.exe", "*.dll", "*.config"
-$files | Compress-Archive -DestinationPath "$PSScriptRoot\bin\DiscordChatExporter.zip" -Force
 
-# CLI
+# Pack into archive
+$files | Compress-Archive -DestinationPath "$PSScriptRoot\Portable\bin\DiscordChatExporter.zip" -Force
+
+# --- CLI ---
+
+# Get files
 $files = @()
 $files += Get-Item -Path "$PSScriptRoot\..\License.txt"
-$files += Get-ChildItem -Path "$PSScriptRoot\..\DiscordChatExporter.Cli\bin\Release\net461\*" -Include "*.exe", "*.dll", "*.config"
-$files | Compress-Archive -DestinationPath "$PSScriptRoot\bin\DiscordChatExporter.CLI.zip" -Force
+$files += Get-ChildItem -Path "$PSScriptRoot\..\DiscordChatExporter.Cli\bin\Release\net46\*" -Include "*.exe", "*.dll", "*.config"
+
+# Pack into archive
+$files | Compress-Archive -DestinationPath "$PSScriptRoot\Portable\bin\DiscordChatExporter.CLI.zip" -Force

DiscordChatExporter.Cli/Commands/ExportChannelCommand.cs

@@ -0,0 +1,28 @@
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Services;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("export", Description = "Export a channel.")]
+    public class ExportChannelCommand : ExportCommandBase
+    {
+        [CommandOption("channel", 'c', IsRequired = true, Description= "Channel ID.")]
+        public string ChannelId { get; set; }
+
+        public ExportChannelCommand(SettingsService settingsService, DataService dataService, ExportService exportService)
+            : base(settingsService, dataService, exportService)
+        {
+        }
+
+        public override async Task ExecuteAsync(IConsole console)
+        {
+            // Get channel
+            var channel = await DataService.GetChannelAsync(GetToken(), ChannelId);
+
+            // Export
+            await ExportChannelAsync(console, channel);
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/ExportCommandBase.cs

@@ -0,0 +1,78 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Cli.Internal;
+using DiscordChatExporter.Core.Models;
+using DiscordChatExporter.Core.Services;
+using DiscordChatExporter.Core.Services.Helpers;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    public abstract class ExportCommandBase : TokenCommandBase
+    {
+        protected SettingsService SettingsService { get; }
+
+        protected ExportService ExportService { get; }
+
+
+        [CommandOption("format", 'f', Description = "Output file format.")]
+        public ExportFormat ExportFormat { get; set; } = ExportFormat.HtmlDark;
+
+        [CommandOption("output", 'o', Description = "Output file or directory path.")]
+        public string OutputPath { get; set; }
+
+        [CommandOption("after",Description = "Limit to messages sent after this date.")]
+        public DateTimeOffset? After { get; set; }
+
+        [CommandOption("before",Description = "Limit to messages sent before this date.")]
+        public DateTimeOffset? Before { get; set; }
+
+        [CommandOption("partition", 'p', Description = "Split output into partitions limited to this number of messages.")]
+        public int? PartitionLimit { get; set; }
+
+        [CommandOption("dateformat", Description = "Date format used in output.")]
+        public string DateFormat { get; set; }
+
+        protected ExportCommandBase(SettingsService settingsService, DataService dataService, ExportService exportService)
+            : base(dataService)
+        {
+            SettingsService = settingsService;
+            ExportService = exportService;
+        }
+
+        protected async Task ExportChannelAsync(IConsole console, Channel channel)
+        {
+            // Configure settings
+            if (!DateFormat.IsNullOrWhiteSpace())
+                SettingsService.DateFormat = DateFormat;
+
+            console.Output.Write($"Exporting channel [{channel.Name}]... ");
+            using (var progress = new InlineProgress(console))
+            {
+                // Get chat log
+                var chatLog = await DataService.GetChatLogAsync(GetToken(), channel, After, Before, progress);
+
+                // Generate file path if not set or is a directory
+                var filePath = OutputPath;
+                if (filePath.IsNullOrWhiteSpace() || ExportHelper.IsDirectoryPath(filePath))
+                {
+                    // Generate default file name
+                    var fileName = ExportHelper.GetDefaultExportFileName(ExportFormat, chatLog.Guild,
+                        chatLog.Channel, After, Before);
+
+                    // Combine paths
+                    filePath = Path.Combine(filePath ?? "", fileName);
+                }
+
+                // Export
+                await ExportService.ExportChatLogAsync(chatLog, filePath, ExportFormat, PartitionLimit);
+
+                // Report successful completion
+                progress.ReportCompletion();
+            }
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/ExportDirectMessagesCommand.cs

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+using System.Linq;
+using System.Net;
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Services;
+using DiscordChatExporter.Core.Services.Exceptions;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("exportdm", Description = "Export all direct message channels.")]
+    public class ExportDirectMessagesCommand : ExportCommandBase
+    {
+        public ExportDirectMessagesCommand(SettingsService settingsService, DataService dataService, ExportService exportService)
+            : base(settingsService, dataService, exportService)
+        {
+        }
+
+        public override async Task ExecuteAsync(IConsole console)
+        {
+            // Get channels
+            var channels = await DataService.GetDirectMessageChannelsAsync(GetToken());
+
+            // Order channels
+            channels = channels.OrderBy(c => c.Name).ToArray();
+
+            // Loop through channels
+            foreach (var channel in channels)
+            {
+                try
+                {
+                    await ExportChannelAsync(console, channel);
+                }
+                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.Forbidden)
+                {
+                    console.Error.WriteLine("You don't have access to this channel.");
+                }
+                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.NotFound)
+                {
+                    console.Error.WriteLine("This channel doesn't exist.");
+                }
+            }
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/ExportGuildCommand.cs

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+using System.Linq;
+using System.Net;
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Models;
+using DiscordChatExporter.Core.Services;
+using DiscordChatExporter.Core.Services.Exceptions;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("exportguild", Description = "Export all channels within specified guild.")]
+    public class ExportGuildCommand : ExportCommandBase
+    {
+        [CommandOption("guild", 'g', IsRequired = true, Description = "Guild ID.")]
+        public string GuildId { get; set; }
+
+        public ExportGuildCommand(SettingsService settingsService, DataService dataService, ExportService exportService)
+            : base(settingsService, dataService, exportService)
+        {
+        }
+
+        public override async Task ExecuteAsync(IConsole console)
+        {
+            // Get channels
+            var channels = await DataService.GetGuildChannelsAsync(GetToken(), GuildId);
+
+            // Filter and order channels
+            channels = channels.Where(c => c.Type == ChannelType.GuildTextChat).OrderBy(c => c.Name).ToArray();
+
+            // Loop through channels
+            foreach (var channel in channels)
+            {
+                try
+                {
+                    await ExportChannelAsync(console, channel);
+                }
+                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.Forbidden)
+                {
+                    console.Error.WriteLine("You don't have access to this channel.");
+                }
+                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.NotFound)
+                {
+                    console.Error.WriteLine("This channel doesn't exist.");
+                }
+            }
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/GetChannelsCommand.cs

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+using System.Linq;
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Models;
+using DiscordChatExporter.Core.Services;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("channels", Description = "Get the list of channels in specified guild.")]
+    public class GetChannelsCommand : TokenCommandBase
+    {
+        [CommandOption("guild", 'g', IsRequired = true, Description = "Guild ID.")]
+        public string GuildId { get; set; }
+
+        public GetChannelsCommand(DataService dataService)
+            : base(dataService)
+        {
+        }
+
+        public override async Task ExecuteAsync(IConsole console)
+        {
+            // Get channels
+            var channels = await DataService.GetGuildChannelsAsync(GetToken(), GuildId);
+
+            // Filter and order channels
+            channels = channels.Where(c => c.Type == ChannelType.GuildTextChat).OrderBy(c => c.Name).ToArray();
+
+            // Print result
+            foreach (var channel in channels)
+                console.Output.WriteLine($"{channel.Id} | {channel.Name}");
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/GetDirectMessageChannelsCommand.cs

@@ -0,0 +1,30 @@
+using System.Linq;
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Services;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("dm", Description = "Get the list of direct message channels.")]
+    public class GetDirectMessageChannelsCommand : TokenCommandBase
+    {
+        public GetDirectMessageChannelsCommand(DataService dataService)
+            : base(dataService)
+        {
+        }
+
+        public override async Task ExecuteAsync(IConsole console)
+        {
+            // Get channels
+            var channels = await DataService.GetDirectMessageChannelsAsync(GetToken());
+
+            // Order channels
+            channels = channels.OrderBy(c => c.Name).ToArray();
+
+            // Print result
+            foreach (var channel in channels)
+                console.Output.WriteLine($"{channel.Id} | {channel.Name}");
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/GetGuildsCommand.cs

@@ -0,0 +1,30 @@
+using System.Linq;
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Services;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("guilds", Description = "Get the list of accessible guilds.")]
+    public class GetGuildsCommand : TokenCommandBase
+    {
+        public GetGuildsCommand(DataService dataService)
+            : base(dataService)
+        {
+        }
+
+        public override async Task ExecuteAsync(IConsole console)
+        {
+            // Get guilds
+            var guilds = await DataService.GetUserGuildsAsync(GetToken());
+
+            // Order guilds
+            guilds = guilds.OrderBy(g => g.Name).ToArray();
+
+            // Print result
+            foreach (var guild in guilds)
+                console.Output.WriteLine($"{guild.Id} | {guild.Name}");
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/GuideCommand.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Threading.Tasks;
+using CliFx;
+using CliFx.Attributes;
+using CliFx.Services;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("guide", Description = "Explains how to obtain token, guild or channel ID.")]
+    public class GuideCommand : ICommand
+    {
+        public Task ExecuteAsync(IConsole console)
+        {
+            console.WithForegroundColor(ConsoleColor.White, () => console.Output.WriteLine("To get user token:"));
+            console.Output.WriteLine(" 1. Open Discord");
+            console.Output.WriteLine(" 2. Press Ctrl+Shift+I to show developer tools");
+            console.Output.WriteLine(" 3. Navigate to the Application tab");
+            console.Output.WriteLine(" 4. Select \"Local Storage\" > \"https://discordapp.com\" on the left");
+            console.Output.WriteLine(" 5. Press Ctrl+R to reload");
+            console.Output.WriteLine(" 6. Find \"token\" at the bottom and copy the value");
+            console.Output.WriteLine();
+
+            console.WithForegroundColor(ConsoleColor.White, () => console.Output.WriteLine("To get bot token:"));
+            console.Output.WriteLine(" 1. Go to Discord developer portal");
+            console.Output.WriteLine(" 2. Open your application's settings");
+            console.Output.WriteLine(" 3. Navigate to the Bot section on the left");
+            console.Output.WriteLine(" 4. Under Token click Copy");
+            console.Output.WriteLine();
+
+            console.WithForegroundColor(ConsoleColor.White, () => console.Output.WriteLine("To get guild ID or guild channel ID:"));
+            console.Output.WriteLine(" 1. Open Discord");
+            console.Output.WriteLine(" 2. Open Settings");
+            console.Output.WriteLine(" 3. Go to Appearance section");
+            console.Output.WriteLine(" 4. Enable Developer Mode");
+            console.Output.WriteLine(" 5. Right click on the desired guild or channel and click Copy ID");
+            console.Output.WriteLine();
+
+            console.WithForegroundColor(ConsoleColor.White, () => console.Output.WriteLine("To get direct message channel ID:"));
+            console.Output.WriteLine(" 1. Open Discord");
+            console.Output.WriteLine(" 2. Open the desired direct message channel");
+            console.Output.WriteLine(" 3. Press Ctrl+Shift+I to show developer tools");
+            console.Output.WriteLine(" 4. Navigate to the Console tab");
+            console.Output.WriteLine(" 5. Type \"window.location.href\" and press Enter");
+            console.Output.WriteLine(" 6. Copy the first long sequence of numbers inside the URL");
+            console.Output.WriteLine();
+
+            console.Output.WriteLine("If you still have unanswered questions, check out the wiki:");
+            console.Output.WriteLine("https://github.com/Tyrrrz/DiscordChatExporter/wiki");
+
+            return Task.CompletedTask;
+        }
+    }
+}

DiscordChatExporter.Cli/Commands/TokenCommandBase.cs

@@ -0,0 +1,29 @@
+using System.Threading.Tasks;
+using CliFx;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Models;
+using DiscordChatExporter.Core.Services;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    public abstract class TokenCommandBase : ICommand
+    {
+        protected DataService DataService { get; }
+
+        [CommandOption("token", 't', IsRequired = true, Description = "Authorization token.")]
+        public string TokenValue { get; set; }
+
+        [CommandOption("bot", 'b', Description = "Whether this authorization token belongs to a bot.")]
+        public bool IsBotToken { get; set; }
+
+        protected TokenCommandBase(DataService dataService)
+        {
+            DataService = dataService;
+        }
+
+        protected AuthToken GetToken() => new AuthToken(IsBotToken ? AuthTokenType.Bot : AuthTokenType.User, TokenValue);
+
+        public abstract Task ExecuteAsync(IConsole console);
+    }
+}

DiscordChatExporter.Cli/Container.cs

@@ -1,24 +0,0 @@
-using DiscordChatExporter.Core.Services;
-using StyletIoC;
-
-namespace DiscordChatExporter.Cli
-{
-    public static class Container
-    {
-        public static IContainer Instance { get; }
-
-        static Container()
-        {
-            var builder = new StyletIoCBuilder();
-
-            // Autobind services in the .Core assembly
-            builder.Autobind(typeof(DataService).Assembly);
-
-            // Bind settings as singleton
-            builder.Bind<SettingsService>().ToSelf().InSingletonScope();
-
-            // Set instance
-            Instance = builder.BuildContainer();
-        }
-    }
-}

DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj

@@ -1,22 +1,25 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-    <PropertyGroup>
-        <OutputType>Exe</OutputType>
-        <TargetFramework>net461</TargetFramework>
-        <Version>2.11</Version>
-        <Company>Tyrrrz</Company>
-        <Copyright>Copyright (c) Alexey Golub</Copyright>
-        <ApplicationIcon>..\favicon.ico</ApplicationIcon>
-    </PropertyGroup>
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFrameworks>net46;netcoreapp2.1</TargetFrameworks>
+    <Version>2.15</Version>
+    <Company>Tyrrrz</Company>
+    <Copyright>Copyright (c) Alexey Golub</Copyright>
+    <ApplicationIcon>..\favicon.ico</ApplicationIcon>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+    <LangVersion>latest</LangVersion>
+  </PropertyGroup>
 
-    <ItemGroup>
-        <PackageReference Include="CommandLineParser" Version="2.3.0" />
-        <PackageReference Include="Stylet" Version="1.1.22" />
-        <PackageReference Include="Tyrrrz.Extensions" Version="1.5.1" />
-    </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="CliFx" Version="0.0.5" />
+    <PackageReference Include="Stylet" Version="1.2.0" />
+    <PackageReference Include="Tyrrrz.Extensions" Version="1.6.2" />
+  </ItemGroup>
 
-    <ItemGroup>
-        <ProjectReference Include="..\DiscordChatExporter.Core\DiscordChatExporter.Core.csproj" />
-    </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\DiscordChatExporter.Core.Models\DiscordChatExporter.Core.Models.csproj" />
+    <ProjectReference Include="..\DiscordChatExporter.Core.Services\DiscordChatExporter.Core.Services.csproj" />
+  </ItemGroup>
 
 </Project>

DiscordChatExporter.Cli/Internal/InlineProgress.cs

@@ -1,40 +1,48 @@
 using System;
+using CliFx.Services;
 
 namespace DiscordChatExporter.Cli.Internal
 {
     internal class InlineProgress : IProgress<double>, IDisposable
     {
-        private readonly int _posX;
-        private readonly int _posY;
+        private readonly IConsole _console;
 
-        public InlineProgress()
+        private string _lastOutput = "";
+        private bool _isCompleted;
+
+        public InlineProgress(IConsole console)
         {
-            // If output is not redirected - save initial cursor position
-            if (!Console.IsOutputRedirected)
-            {
-                _posX = Console.CursorLeft;
-                _posY = Console.CursorTop;
-            }
+            _console = console;
+        }
+
+        private void ResetCursorPosition()
+        {
+            foreach (var c in _lastOutput)
+                _console.Output.Write('\b');
         }
 
         public void Report(double progress)
         {
             // If output is not redirected - reset cursor position and write progress
-            if (!Console.IsOutputRedirected)
+            if (!_console.IsOutputRedirected)
             {
-                Console.SetCursorPosition(_posX, _posY);
-                Console.WriteLine($"{progress:P1}");
+                ResetCursorPosition();
+                _console.Output.Write(_lastOutput = $"{progress:P1}");
             }
         }
 
+        public void ReportCompletion() => _isCompleted = true;
+
         public void Dispose()
         {
             // If output is not redirected - reset cursor position
-            if (!Console.IsOutputRedirected)
-                Console.SetCursorPosition(_posX, _posY);
+            if (!_console.IsOutputRedirected)
+            {
+                ResetCursorPosition();
+            }
 
             // Inform about completion
-            Console.WriteLine("Completed ✓");
+            _console.Output.WriteLine(_isCompleted ? "Completed ✓" : "Failed X");
         }
     }
 }

DiscordChatExporter.Cli/Program.cs

@@ -1,72 +1,35 @@
-using System;
-using System.Linq;
-using CommandLine;
-using DiscordChatExporter.Cli.Verbs;
-using DiscordChatExporter.Cli.Verbs.Options;
+using System.Threading.Tasks;
+using CliFx;
+using DiscordChatExporter.Core.Services;
+using StyletIoC;
 
 namespace DiscordChatExporter.Cli
 {
     public static class Program
     {
-        private static void PrintTokenHelp()
+        private static IContainer BuildContainer()
         {
-            Console.WriteLine("# To get user token:");
-            Console.WriteLine(" 1. Open Discord");
-            Console.WriteLine(" 2. Press Ctrl+Shift+I to show developer tools");
-            Console.WriteLine(" 3. Press Ctrl+R to reload");
-            Console.WriteLine(" 4. Navigate to the Application tab");
-            Console.WriteLine(" 5. Select \"Local Storage\" > \"https://discordapp.com\" on the left");
-            Console.WriteLine(" 6. Find \"token\" under key and copy the value");
-            Console.WriteLine();
-            Console.WriteLine("# To get bot token:");
-            Console.WriteLine(" 1. Go to Discord developer portal");
-            Console.WriteLine(" 2. Open your application's settings");
-            Console.WriteLine(" 3. Navigate to the Bot section on the left");
-            Console.WriteLine(" 4. Under Token click Copy");
-            Console.WriteLine();
-            Console.WriteLine("# To get guild or channel ID:");
-            Console.WriteLine(" 1. Open Discord");
-            Console.WriteLine(" 2. Open Settings");
-            Console.WriteLine(" 3. Go to Appearance section");
-            Console.WriteLine(" 4. Enable Developer Mode");
-            Console.WriteLine(" 5. Right click on the desired guild or channel and click Copy ID");
+            var builder = new StyletIoCBuilder();
+
+            // Autobind the .Services assembly
+            builder.Autobind(typeof(DataService).Assembly);
+
+            // Bind settings as singleton
+            builder.Bind<SettingsService>().ToSelf().InSingletonScope();
+
+            // Set instance
+            return builder.BuildContainer();
         }
 
-        public static void Main(string[] args)
+        public static Task<int> Main(string[] args)
         {
-            // Get all verb types
-            var verbTypes = new[]
-            {
-                typeof(ExportChannelOptions),
-                typeof(ExportDirectMessagesOptions),
-                typeof(ExportGuildOptions),
-                typeof(GetChannelsOptions),
-                typeof(GetDirectMessageChannelsOptions),
-                typeof(GetGuildsOptions)
-            };
+            var container = BuildContainer();
 
-            // Parse command line arguments
-            var parsedArgs = Parser.Default.ParseArguments(args, verbTypes);
-
-            // Execute commands
-            parsedArgs.WithParsed<ExportChannelOptions>(o => new ExportChannelVerb(o).Execute());
-            parsedArgs.WithParsed<ExportDirectMessagesOptions>(o => new ExportDirectMessagesVerb(o).Execute());
-            parsedArgs.WithParsed<ExportGuildOptions>(o => new ExportGuildVerb(o).Execute());
-            parsedArgs.WithParsed<GetChannelsOptions>(o => new GetChannelsVerb(o).Execute());
-            parsedArgs.WithParsed<GetDirectMessageChannelsOptions>(o => new GetDirectMessageChannelsVerb(o).Execute());
-            parsedArgs.WithParsed<GetGuildsOptions>(o => new GetGuildsVerb(o).Execute());
-
-            // Show token help if help requested or no verb specified
-            parsedArgs.WithNotParsed(errs =>
-            {
-                var err = errs.First();
-
-                if (err.Tag == ErrorType.NoVerbSelectedError)
-                    PrintTokenHelp();
-
-                if (err.Tag == ErrorType.HelpVerbRequestedError && args.Length == 1)
-                    PrintTokenHelp();
-            });
+            return new CliApplicationBuilder()
+                .AddCommandsFromThisAssembly()
+                .UseCommandFactory(schema => (ICommand) container.Get(schema.Type))
+                .Build()
+                .RunAsync(args);
         }
     }
 }

DiscordChatExporter.Cli/Verbs/ExportChannelVerb.cs

@@ -1,55 +0,0 @@
-using System;
-using System.IO;
-using System.Threading.Tasks;
-using DiscordChatExporter.Cli.Internal;
-using DiscordChatExporter.Cli.Verbs.Options;
-using DiscordChatExporter.Core.Helpers;
-using DiscordChatExporter.Core.Services;
-using Tyrrrz.Extensions;
-
-namespace DiscordChatExporter.Cli.Verbs
-{
-    public class ExportChannelVerb : Verb<ExportChannelOptions>
-    {
-        public ExportChannelVerb(ExportChannelOptions options)
-            : base(options)
-        {
-        }
-
-        public override async Task ExecuteAsync()
-        {
-            // Get services
-            var settingsService = Container.Instance.Get<SettingsService>();
-            var dataService = Container.Instance.Get<DataService>();
-            var exportService = Container.Instance.Get<ExportService>();
-
-            // Configure settings
-            if (Options.DateFormat.IsNotBlank())
-                settingsService.DateFormat = Options.DateFormat;
-
-            // Track progress
-            Console.Write($"Exporting channel [{Options.ChannelId}]... ");
-            using (var progress = new InlineProgress())
-            {
-                // Get chat log
-                var chatLog = await dataService.GetChatLogAsync(Options.GetToken(), Options.ChannelId,
-                    Options.After, Options.Before, progress);
-
-                // Generate file path if not set or is a directory
-                var filePath = Options.OutputPath;
-                if (filePath.IsBlank() || ExportHelper.IsDirectoryPath(filePath))
-                {
-                    // Generate default file name
-                    var fileName = ExportHelper.GetDefaultExportFileName(Options.ExportFormat, chatLog.Guild,
-                        chatLog.Channel, Options.After, Options.Before);
-
-                    // Combine paths
-                    filePath = Path.Combine(filePath ?? "", fileName);
-                }
-
-                // Export
-                exportService.ExportChatLog(chatLog, filePath, Options.ExportFormat, Options.PartitionLimit);
-            }
-        }
-    }
-}

DiscordChatExporter.Cli/Verbs/ExportDirectMessagesVerb.cs

@@ -1,74 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-using System.Net;
-using System.Threading.Tasks;
-using DiscordChatExporter.Cli.Internal;
-using DiscordChatExporter.Cli.Verbs.Options;
-using DiscordChatExporter.Core.Exceptions;
-using DiscordChatExporter.Core.Helpers;
-using DiscordChatExporter.Core.Services;
-using Tyrrrz.Extensions;
-
-namespace DiscordChatExporter.Cli.Verbs
-{
-    public class ExportDirectMessagesVerb : Verb<ExportDirectMessagesOptions>
-    {
-        public ExportDirectMessagesVerb(ExportDirectMessagesOptions options)
-            : base(options)
-        {
-        }
-
-        public override async Task ExecuteAsync()
-        {
-            // Get services
-            var settingsService = Container.Instance.Get<SettingsService>();
-            var dataService = Container.Instance.Get<DataService>();
-            var exportService = Container.Instance.Get<ExportService>();
-
-            // Configure settings
-            if (Options.DateFormat.IsNotBlank())
-                settingsService.DateFormat = Options.DateFormat;
-
-            // Get channels
-            var channels = await dataService.GetDirectMessageChannelsAsync(Options.GetToken());
-
-            // Order channels
-            channels = channels.OrderBy(c => c.Name).ToArray();
-
-            // Loop through channels
-            foreach (var channel in channels)
-            {
-                try
-                {
-                    // Track progress
-                    Console.Write($"Exporting channel [{channel.Name}]... ");
-                    using (var progress = new InlineProgress())
-                    {
-                        // Get chat log
-                        var chatLog = await dataService.GetChatLogAsync(Options.GetToken(), channel,
-                            Options.After, Options.Before, progress);
-
-                        // Generate default file name
-                        var fileName = ExportHelper.GetDefaultExportFileName(Options.ExportFormat, chatLog.Guild,
-                            chatLog.Channel, Options.After, Options.Before);
-
-                        // Generate file path
-                        var filePath = Path.Combine(Options.OutputPath ?? "", fileName);
-
-                        // Export
-                        exportService.ExportChatLog(chatLog, filePath, Options.ExportFormat, Options.PartitionLimit);
-                    }
-                }
-                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.Forbidden)
-                {
-                    Console.Error.WriteLine("You don't have access to this channel");
-                }
-                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.NotFound)
-                {
-                    Console.Error.WriteLine("This channel doesn't exist");
-                }
-            }
-        }
-    }
-}

DiscordChatExporter.Cli/Verbs/ExportGuildVerb.cs

@@ -1,75 +0,0 @@
-using System;
-using System.IO;
-using System.Linq;
-using System.Net;
-using System.Threading.Tasks;
-using DiscordChatExporter.Cli.Internal;
-using DiscordChatExporter.Cli.Verbs.Options;
-using DiscordChatExporter.Core.Exceptions;
-using DiscordChatExporter.Core.Helpers;
-using DiscordChatExporter.Core.Models;
-using DiscordChatExporter.Core.Services;
-using Tyrrrz.Extensions;
-
-namespace DiscordChatExporter.Cli.Verbs
-{
-    public class ExportGuildVerb : Verb<ExportGuildOptions>
-    {
-        public ExportGuildVerb(ExportGuildOptions options)
-            : base(options)
-        {
-        }
-
-        public override async Task ExecuteAsync()
-        {
-            // Get services
-            var settingsService = Container.Instance.Get<SettingsService>();
-            var dataService = Container.Instance.Get<DataService>();
-            var exportService = Container.Instance.Get<ExportService>();
-
-            // Configure settings
-            if (Options.DateFormat.IsNotBlank())
-                settingsService.DateFormat = Options.DateFormat;
-
-            // Get channels
-            var channels = await dataService.GetGuildChannelsAsync(Options.GetToken(), Options.GuildId);
-
-            // Filter and order channels
-            channels = channels.Where(c => c.Type == ChannelType.GuildTextChat).OrderBy(c => c.Name).ToArray();
-
-            // Loop through channels
-            foreach (var channel in channels)
-            {
-                try
-                {
-                    // Track progress
-                    Console.Write($"Exporting channel [{channel.Name}]... ");
-                    using (var progress = new InlineProgress())
-                    {
-                        // Get chat log
-                        var chatLog = await dataService.GetChatLogAsync(Options.GetToken(), channel,
-                            Options.After, Options.Before, progress);
-
-                        // Generate default file name
-                        var fileName = ExportHelper.GetDefaultExportFileName(Options.ExportFormat, chatLog.Guild,
-                            chatLog.Channel, Options.After, Options.Before);
-
-                        // Generate file path
-                        var filePath = Path.Combine(Options.OutputPath ?? "", fileName);
-
-                        // Export
-                        exportService.ExportChatLog(chatLog, filePath, Options.ExportFormat, Options.PartitionLimit);
-                    }
-                }
-                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.Forbidden)
-                {
-                    Console.Error.WriteLine("You don't have access to this channel");
-                }
-                catch (HttpErrorStatusCodeException ex) when (ex.StatusCode == HttpStatusCode.NotFound)
-                {
-                    Console.Error.WriteLine("This channel doesn't exist");
-                }
-            }
-        }
-    }
-}

DiscordChatExporter.Cli/Verbs/GetChannelsVerb.cs

@@ -1,33 +0,0 @@
-using System;
-using System.Linq;
-using System.Threading.Tasks;
-using DiscordChatExporter.Cli.Verbs.Options;
-using DiscordChatExporter.Core.Models;
-using DiscordChatExporter.Core.Services;
-
-namespace DiscordChatExporter.Cli.Verbs
-{
-    public class GetChannelsVerb : Verb<GetChannelsOptions>
-    {
-        public GetChannelsVerb(GetChannelsOptions options)
-            : base(options)
-        {
-        }
-
-        public override async Task ExecuteAsync()
-        {
-            // Get data service
-            var dataService = Container.Instance.Get<DataService>();
-
-            // Get channels
-            var channels = await dataService.GetGuildChannelsAsync(Options.GetToken(), Options.GuildId);
-
-            // Filter and order channels
-            channels = channels.Where(c => c.Type == ChannelType.GuildTextChat).OrderBy(c => c.Name).ToArray();
-
-            // Print result
-            foreach (var channel in channels)
-                Console.WriteLine($"{channel.Id} | {channel.Name}");
-        }
-    }
-}

DiscordChatExporter.Cli/Verbs/GetDirectMessageChannelsVerb.cs

@@ -1,32 +0,0 @@
-using System;
-using System.Linq;
-using System.Threading.Tasks;
-using DiscordChatExporter.Cli.Verbs.Options;
-using DiscordChatExporter.Core.Services;
-
-namespace DiscordChatExporter.Cli.Verbs
-{
-    public class GetDirectMessageChannelsVerb : Verb<GetDirectMessageChannelsOptions>
-    {
-        public GetDirectMessageChannelsVerb(GetDirectMessageChannelsOptions options) 
-            : base(options)
-        {
-        }
-
-        public override async Task ExecuteAsync()
-        {
-            // Get data service
-            var dataService = Container.Instance.Get<DataService>();
-
-            // Get channels
-            var channels = await dataService.GetDirectMessageChannelsAsync(Options.GetToken());
-
-            // Order channels
-            channels = channels.OrderBy(c => c.Name).ToArray();
-
-            // Print result
-            foreach (var channel in channels)
-                Console.WriteLine($"{channel.Id} | {channel.Name}");
-        }
-    }
-}

DiscordChatExporter.Cli/Verbs/GetGuildsVerb.cs

@@ -1,32 +0,0 @@
-using System;
-using System.Linq;
-using System.Threading.Tasks;
-using DiscordChatExporter.Cli.Verbs.Options;
-using DiscordChatExporter.Core.Services;
-
-namespace DiscordChatExporter.Cli.Verbs
-{
-    public class GetGuildsVerb : Verb<GetGuildsOptions>
-    {
-        public GetGuildsVerb(GetGuildsOptions options) 
-            : base(options)
-        {
-        }
-
-        public override async Task ExecuteAsync()
-        {
-            // Get data service
-            var dataService = Container.Instance.Get<DataService>();
-
-            // Get guilds
-            var guilds = await dataService.GetUserGuildsAsync(Options.GetToken());
-
-            // Order guilds
-            guilds = guilds.OrderBy(g => g.Name).ToArray();
-
-            // Print result
-            foreach (var guild in guilds)
-                Console.WriteLine($"{guild.Id} | {guild.Name}");
-        }
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/ExportChannelOptions.cs

@@ -1,11 +0,0 @@
-using CommandLine;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    [Verb("export", HelpText = "Export channel.")]
-    public class ExportChannelOptions : ExportOptions
-    {
-        [Option('c', "channel", Required = true, HelpText = "Channel ID.")]
-        public string ChannelId { get; set; }
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/ExportDirectMessagesOptions.cs

@@ -1,9 +0,0 @@
-using CommandLine;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    [Verb("exportdm", HelpText = "Export all direct message channels.")]
-    public class ExportDirectMessagesOptions : ExportOptions
-    {
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/ExportGuildOptions.cs

@@ -1,11 +0,0 @@
-using CommandLine;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    [Verb("exportguild", HelpText = "Export all channels within a given guild.")]
-    public class ExportGuildOptions : ExportOptions
-    {
-        [Option('g', "guild", Required = true, HelpText = "Guild ID.")]
-        public string GuildId { get; set; }
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/ExportOptions.cs

@@ -1,27 +0,0 @@
-using System;
-using CommandLine;
-using DiscordChatExporter.Core.Models;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    public abstract class ExportOptions : TokenOptions
-    {
-        [Option('f', "format", Default = ExportFormat.HtmlDark, HelpText = "Output file format.")]
-        public ExportFormat ExportFormat { get; set; }
-
-        [Option('o', "output", Default = null, HelpText = "Output file or directory path.")]
-        public string OutputPath { get; set; }
-
-        [Option("after", Default = null, HelpText = "Limit to messages sent after this date.")]
-        public DateTime? After { get; set; }
-
-        [Option("before", Default = null, HelpText = "Limit to messages sent before this date.")]
-        public DateTime? Before { get; set; }
-
-        [Option('p', "partition", Default = null, HelpText = "Split output into partitions limited to this number of messages.")]
-        public int? PartitionLimit { get; set; }
-
-        [Option("dateformat", Default = null, HelpText = "Date format used in output.")]
-        public string DateFormat { get; set; }
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/GetChannelsOptions.cs

@@ -1,11 +0,0 @@
-using CommandLine;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    [Verb("channels", HelpText = "Get the list of channels in the given guild.")]
-    public class GetChannelsOptions : TokenOptions
-    {
-        [Option('g', "guild", Required = true, HelpText = "Guild ID.")]
-        public string GuildId { get; set; }
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/GetDirectMessageChannelsOptions.cs

@@ -1,9 +0,0 @@
-using CommandLine;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    [Verb("dm", HelpText = "Get the list of direct message channels.")]
-    public class GetDirectMessageChannelsOptions : TokenOptions
-    {
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/GetGuildsOptions.cs

@@ -1,9 +0,0 @@
-using CommandLine;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    [Verb("guilds", HelpText = "Get the list of accessible guilds.")]
-    public class GetGuildsOptions : TokenOptions
-    {
-    }
-}

DiscordChatExporter.Cli/Verbs/Options/TokenOptions.cs

@@ -1,16 +0,0 @@
-using CommandLine;
-using DiscordChatExporter.Core.Models;
-
-namespace DiscordChatExporter.Cli.Verbs.Options
-{
-    public abstract class TokenOptions
-    {
-        [Option('t', "token", Required = true, HelpText = "Authorization token.")]
-        public string TokenValue { get; set; }
-
-        [Option('b', "bot", Default = false, HelpText = "Whether this authorization token belongs to a bot.")]
-        public bool IsBotToken { get; set; }
-
-        public AuthToken GetToken() => new AuthToken(IsBotToken ? AuthTokenType.Bot : AuthTokenType.User, TokenValue);
-    }
-}

DiscordChatExporter.Cli/Verbs/Verb.cs

@@ -1,18 +0,0 @@
-using System.Threading.Tasks;
-
-namespace DiscordChatExporter.Cli.Verbs
-{
-    public abstract class Verb<TOptions>
-    {
-        protected TOptions Options { get; }
-
-        protected Verb(TOptions options)
-        {
-            Options = options;
-        }
-
-        public abstract Task ExecuteAsync();
-
-        public virtual void Execute() => ExecuteAsync().GetAwaiter().GetResult();
-    }
-}

DiscordChatExporter.Core.Markdown/DiscordChatExporter.Core.Markdown.csproj

@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net461</TargetFramework>
+    <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Sprache" Version="2.2.0" />
-    <PackageReference Include="Tyrrrz.Extensions" Version="1.5.1" />
+    <PackageReference Include="Tyrrrz.Extensions" Version="1.6.2" />
   </ItemGroup>
 
-</Project>
+</Project>

DiscordChatExporter.Core.Markdown/Internal/AggregateMatcher.cs

@@ -0,0 +1,46 @@
+using System.Collections.Generic;
+
+namespace DiscordChatExporter.Core.Markdown.Internal
+{
+    internal class AggregateMatcher<T> : IMatcher<T>
+    {
+        private readonly IReadOnlyList<IMatcher<T>> _matchers;
+
+        public AggregateMatcher(IReadOnlyList<IMatcher<T>> matchers)
+        {
+            _matchers = matchers;
+        }
+
+        public AggregateMatcher(params IMatcher<T>[] matchers)
+            : this((IReadOnlyList<IMatcher<T>>)matchers)
+        {
+        }
+
+        public ParsedMatch<T> Match(StringPart stringPart)
+        {
+            ParsedMatch<T> earliestMatch = null;
+
+            // Try to match the input with each matcher and get the match with the lowest start index
+            foreach (var matcher in _matchers)
+            {
+                // Try to match
+                var match = matcher.Match(stringPart);
+
+                // If there's no match - continue
+                if (match == null)
+                    continue;
+
+                // If this match is earlier than previous earliest - replace
+                if (earliestMatch == null || match.StringPart.StartIndex < earliestMatch.StringPart.StartIndex)
+                    earliestMatch = match;
+
+                // If the earliest match starts at the very beginning - break,
+                // because it's impossible to find a match earlier than that
+                if (earliestMatch.StringPart.StartIndex == stringPart.StartIndex)
+                    break;
+            }
+
+            return earliestMatch;
+        }
+    }
+}

DiscordChatExporter.Core.Markdown/Internal/Extensions.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+
+namespace DiscordChatExporter.Core.Markdown.Internal
+{
+    internal static class Extensions
+    {
+        public static StringPart Shrink(this StringPart stringPart, int newStartIndex, int newLength) =>
+            new StringPart(stringPart.Target, newStartIndex, newLength);
+
+        public static StringPart Shrink(this StringPart stringPart, int newStartIndex) =>
+            stringPart.Shrink(newStartIndex, stringPart.EndIndex - newStartIndex);
+
+        public static StringPart Shrink(this StringPart stringPart, Capture capture) =>
+            stringPart.Shrink(capture.Index, capture.Length);
+
+        public static IEnumerable<ParsedMatch<T>> MatchAll<T>(this IMatcher<T> matcher, StringPart stringPart,
+            Func<StringPart, T> fallbackTransform)
+        {
+            // Loop through segments divided by individual matches
+            var currentIndex = stringPart.StartIndex;
+            while (currentIndex < stringPart.EndIndex)
+            {
+                // Find a match within this segment
+                var match = matcher.Match(stringPart.Shrink(currentIndex, stringPart.EndIndex - currentIndex));
+
+                // If there's no match - break
+                if (match == null)
+                    break;
+
+                // If this match doesn't start immediately at current index - transform and yield fallback first
+                if (match.StringPart.StartIndex > currentIndex)
+                {
+                    var fallbackPart = stringPart.Shrink(currentIndex, match.StringPart.StartIndex - currentIndex);
+                    yield return new ParsedMatch<T>(fallbackPart, fallbackTransform(fallbackPart));
+                }
+
+                // Yield match
+                yield return match;
+
+                // Shift current index to the end of the match
+                currentIndex = match.StringPart.StartIndex + match.StringPart.Length;
+            }
+
+            // If EOL wasn't reached - transform and yield remaining part as fallback
+            if (currentIndex < stringPart.EndIndex)
+            {
+                var fallbackPart = stringPart.Shrink(currentIndex);
+                yield return new ParsedMatch<T>(fallbackPart, fallbackTransform(fallbackPart));
+            }
+        }
+    }
+}

DiscordChatExporter.Core.Markdown/Internal/Grammar.cs

@@ -1,178 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Text.RegularExpressions;
-using Sprache;
-using Tyrrrz.Extensions;
-
-namespace DiscordChatExporter.Core.Markdown.Internal
-{
-    // The following parsing logic is meant to replicate Discord's markdown grammar as close as possible
-    internal static class Grammar
-    {
-        /* Formatting */
-
-        // Capture until the earliest double asterisk not followed by an asterisk
-        private static readonly Parser<Node> BoldFormattedNode =
-            Parse.RegexMatch(new Regex("\\*\\*(.+?)\\*\\*(?!\\*)", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "**", TextFormatting.Bold, BuildTree(m.Groups[1].Value)));
-
-        // Capture until the earliest single asterisk not preceded or followed by an asterisk
-        // Can't have whitespace right after opening or right before closing asterisk
-        private static readonly Parser<Node> ItalicFormattedNode =
-            Parse.RegexMatch(new Regex("\\*(?!\\s)(.+?)(?<!\\s|\\*)\\*(?!\\*)", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "*", TextFormatting.Italic, BuildTree(m.Groups[1].Value)));
-
-        // Can't have underscores inside
-        // Can't have word characters right after closing underscore
-        private static readonly Parser<Node> ItalicAltFormattedNode =
-            Parse.RegexMatch(new Regex("_([^_]+?)_(?!\\w)", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "_", TextFormatting.Italic, BuildTree(m.Groups[1].Value)));
-
-        // Treated as a separate entity for simplicity
-        // Capture until the earliest triple asterisk not preceded or followed by an asterisk
-        private static readonly Parser<Node> ItalicBoldFormattedNode =
-            Parse.RegexMatch(new Regex("\\*(\\*\\*(?:.+?)\\*\\*)\\*(?!\\*)", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "*", TextFormatting.Italic, BuildTree(m.Groups[1].Value)));
-
-        // Capture until the earliest double underscore not followed by an underscore
-        private static readonly Parser<Node> UnderlineFormattedNode =
-            Parse.RegexMatch(new Regex("__(.+?)__(?!_)", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "__", TextFormatting.Underline, BuildTree(m.Groups[1].Value)));
-
-        // Treated as a separate entity for simplicity
-        // Capture until the earliest triple underscore not preceded or followed by an underscore
-        private static readonly Parser<Node> ItalicUnderlineFormattedNode =
-            Parse.RegexMatch(new Regex("_(__(?:.+?)__)_(?!_)", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "_", TextFormatting.Italic, BuildTree(m.Groups[1].Value)));
-
-        // Strikethrough is safe
-        private static readonly Parser<Node> StrikethroughFormattedNode =
-            Parse.RegexMatch(new Regex("~~(.+?)~~", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "~~", TextFormatting.Strikethrough, BuildTree(m.Groups[1].Value)));
-
-        // Spoiler is safe
-        private static readonly Parser<Node> SpoilerFormattedNode =
-            Parse.RegexMatch(new Regex("\\|\\|(.+?)\\|\\|", RegexOptions.Singleline))
-                .Select(m => new FormattedNode(m.Value, "||", TextFormatting.Spoiler, BuildTree(m.Groups[1].Value)));
-
-        // Combinator, order matters
-        private static readonly Parser<Node> AnyFormattedNode = 
-            ItalicBoldFormattedNode.Or(ItalicUnderlineFormattedNode)
-            .Or(BoldFormattedNode).Or(ItalicFormattedNode)
-            .Or(UnderlineFormattedNode).Or(ItalicAltFormattedNode)
-            .Or(StrikethroughFormattedNode).Or(SpoilerFormattedNode);
-
-        /* Code blocks */
-
-        // Can't have backticks inside and surrounding whitespace is trimmed
-        private static readonly Parser<Node> InlineCodeBlockNode =
-            Parse.RegexMatch(new Regex("`\\s*([^`]+?)\\s*`", RegexOptions.Singleline))
-                .Select(m => new InlineCodeBlockNode(m.Value, m.Groups[1].Value));
-
-        // The first word is a language identifier if it's the only word followed by a newline, the rest is code
-        private static readonly Parser<Node> MultilineCodeBlockNode =
-            Parse.RegexMatch(new Regex("```(?:(\\w*?)?(?:\\s*?\\n))?(.+?)```", RegexOptions.Singleline))
-                .Select(m => new MultilineCodeBlockNode(m.Value, m.Groups[1].Value, m.Groups[2].Value));
-
-        // Combinator, order matters
-        private static readonly Parser<Node> AnyCodeBlockNode = MultilineCodeBlockNode.Or(InlineCodeBlockNode);
-
-        /* Mentions */
-
-        // @everyone or @here
-        private static readonly Parser<Node> MetaMentionNode = Parse.RegexMatch("@(everyone|here)")
-            .Select(m => new MentionNode(m.Value, m.Groups[1].Value, MentionType.Meta));
-
-        // <@123456> or <@!123456>
-        private static readonly Parser<Node> UserMentionNode = Parse.RegexMatch("<@!?(\\d+)>")
-            .Select(m => new MentionNode(m.Value, m.Groups[1].Value, MentionType.User));
-
-        // <#123456>
-        private static readonly Parser<Node> ChannelMentionNode = Parse.RegexMatch("<#(\\d+)>")
-            .Select(m => new MentionNode(m.Value, m.Groups[1].Value, MentionType.Channel));
-
-        // <@&123456>
-        private static readonly Parser<Node> RoleMentionNode = Parse.RegexMatch("<@&(\\d+)>")
-            .Select(m => new MentionNode(m.Value, m.Groups[1].Value, MentionType.Role));
-
-        // Combinator, order matters
-        private static readonly Parser<Node> AnyMentionNode =
-            MetaMentionNode.Or(UserMentionNode).Or(ChannelMentionNode).Or(RoleMentionNode);
-
-        /* Emojis */
-
-        // Matches all standard unicode emojis
-        private static readonly Parser<Node> StandardEmojiNode = Parse.RegexMatch(
-                "([\\u2700-\\u27bf]|" +
-                "(?:\\ud83c[\\udde6-\\uddff]){2}|" +
-                "[\\ud800-\\udbff][\\udc00-\\udfff]|" +
-                "[\\u0023-\\u0039]\\u20e3|" +
-                "\\u3299|\\u3297|\\u303d|\\u3030|\\u24c2|\\ud83c[\\udd70-\\udd71]|\\ud83c[\\udd7e-\\udd7f]|\\ud83c\\udd8e|\\ud83c[\\udd91-\\udd9a]|\\ud83c[\\udde6-\\uddff]|" +
-                "\\ud83c[\\ude01-\\ude02]|\\ud83c\\ude1a|\\ud83c\\ude2f|\\ud83c[\\ude32-\\ude3a]|\\ud83c[\\ude50-\\ude51]|\\u203c|\\u2049|[\\u25aa-\\u25ab]|" +
-                "\\u25b6|\\u25c0|[\\u25fb-\\u25fe]|\\u00a9|\\u00ae|\\u2122|\\u2139|\\ud83c\\udc04|[\\u2600-\\u26FF]|\\u2b05|\\u2b06|\\u2b07|\\u2b1b|\\u2b1c|\\u2b50|" +
-                "\\u2b55|\\u231a|\\u231b|\\u2328|\\u23cf|[\\u23e9-\\u23f3]|[\\u23f8-\\u23fa]|\\ud83c\\udccf|\\u2934|\\u2935|[\\u2190-\\u21ff])")
-            .Select(m => new EmojiNode(m.Value, m.Groups[1].Value));
-
-        // <:lul:123456> or <a:lul:123456>
-        private static readonly Parser<Node> CustomEmojiNode = Parse.RegexMatch("<(a)?:(.+?):(\\d+)>")
-            .Select(m => new EmojiNode(m.Value, m.Groups[3].Value, m.Groups[2].Value, m.Groups[1].Value.IsNotBlank()));
-
-        // Combinator, order matters
-        private static readonly Parser<Node> AnyEmojiNode = StandardEmojiNode.Or(CustomEmojiNode);
-
-        /* Links */
-
-        // [title](link)
-        private static readonly Parser<Node> TitledLinkNode = Parse.RegexMatch("\\[(.+?)\\]\\((.+?)\\)")
-            .Select(m => new LinkNode(m.Value, m.Groups[2].Value, m.Groups[1].Value));
-
-        // Starts with http:// or https://, stops at the last non-whitespace character followed by whitespace or punctuation character
-        private static readonly Parser<Node> AutoLinkNode = Parse.RegexMatch("(https?://\\S*[^\\.,:;\"\'\\s])")
-            .Select(m => new LinkNode(m.Value, m.Groups[1].Value));
-
-        // Autolink surrounded by angular brackets
-        private static readonly Parser<Node> HiddenLinkNode = Parse.RegexMatch("<(https?://\\S*[^\\.,:;\"\'\\s])>")
-            .Select(m => new LinkNode(m.Value, m.Groups[1].Value));
-
-        // Combinator, order matters
-        private static readonly Parser<Node> AnyLinkNode = TitledLinkNode.Or(HiddenLinkNode).Or(AutoLinkNode); 
-
-        /* Text */
-
-        // Shrug is an exception and needs to be exempt from formatting
-        private static readonly Parser<Node> ShrugTextNode =
-            Parse.String("¯\\_(ツ)_/¯").Text().Select(s => new TextNode(s));
-
-        // Backslash escapes any following unicode surrogate pair
-        private static readonly Parser<Node> EscapedSurrogateTextNode =
-            from slash in Parse.Char('\\')
-            from high in Parse.AnyChar.Where(char.IsHighSurrogate)
-            from low in Parse.AnyChar
-            let lexeme = $"{slash}{high}{low}"
-            let text = $"{high}{low}"
-            select new TextNode(lexeme, text);
-
-        // Backslash escapes any following non-whitespace character except for digits and latin letters
-        private static readonly Parser<Node> EscapedTextNode =
-            Parse.RegexMatch("\\\\([^a-zA-Z0-9\\s])").Select(m => new TextNode(m.Value, m.Groups[1].Value));
-
-        // Combinator, order matters
-        private static readonly Parser<Node> AnyTextNode = ShrugTextNode.Or(EscapedSurrogateTextNode).Or(EscapedTextNode);
-
-        /* Aggregator and fallback */
-
-        // Any node recognized by above patterns
-        private static readonly Parser<Node> AnyRecognizedNode = AnyFormattedNode.Or(AnyCodeBlockNode)
-            .Or(AnyMentionNode).Or(AnyEmojiNode).Or(AnyLinkNode).Or(AnyTextNode);
-
-        // Any node not recognized by above patterns (treated as plain text)
-        private static readonly Parser<Node> FallbackNode =
-            Parse.AnyChar.Except(AnyRecognizedNode).AtLeastOnce().Text().Select(s => new TextNode(s));
-
-        // Any node
-        private static readonly Parser<Node> AnyNode = AnyRecognizedNode.Or(FallbackNode);
-
-        // Entry point
-        public static IReadOnlyList<Node> BuildTree(string input) => AnyNode.Many().Parse(input).ToArray();
-    }
-}

DiscordChatExporter.Core.Markdown/Internal/IMatcher.cs

@@ -0,0 +1,7 @@
+namespace DiscordChatExporter.Core.Markdown.Internal
+{
+    internal interface IMatcher<T>
+    {
+        ParsedMatch<T> Match(StringPart stringPart);
+    }
+}

DiscordChatExporter.Core.Markdown/Internal/ParsedMatch.cs

@@ -0,0 +1,15 @@
+namespace DiscordChatExporter.Core.Markdown.Internal
+{
+    internal class ParsedMatch<T>
+    {
+        public StringPart StringPart { get; }
+
+        public T Value { get; }
+
+        public ParsedMatch(StringPart stringPart, T value)
+        {
+            StringPart = stringPart;
+            Value = value;
+        }
+    }
+}

DiscordChatExporter.Core.Markdown/Internal/RegexMatcher.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Text.RegularExpressions;
+
+namespace DiscordChatExporter.Core.Markdown.Internal
+{
+    internal class RegexMatcher<T> : IMatcher<T>
+    {
+        private readonly Regex _regex;
+        private readonly Func<StringPart, Match, T> _transform;
+
+        public RegexMatcher(Regex regex, Func<StringPart, Match, T> transform)
+        {
+            _regex = regex;
+            _transform = transform;
+        }
+
+        public RegexMatcher(Regex regex, Func<Match, T> transform)
+            : this(regex, (p, m) => transform(m))
+        {
+        }
+
+        public ParsedMatch<T> Match(StringPart stringPart)
+        {
+            var match = _regex.Match(stringPart.Target, stringPart.StartIndex, stringPart.Length);
+            if (!match.Success)
+                return null;
+
+            // Overload regex.Match(string, int, int) doesn't take the whole string into account,
+            // it effectively functions as a match check on a substring.
+            // Which is super weird because regex.Match(string, int) takes the whole input in context.
+            // So in order to properly account for ^/$ regex tokens, we need to make sure that
+            // the expression also matches on the bigger part of the input.
+            if (!_regex.IsMatch(stringPart.Target.Substring(0, stringPart.EndIndex), stringPart.StartIndex))
+                return null;
+
+            var stringPartShrunk = stringPart.Shrink(match.Index, match.Length);
+            return new ParsedMatch<T>(stringPartShrunk, _transform(stringPartShrunk, match));
+        }
+    }
+}

DiscordChatExporter.Core.Markdown/Internal/StringMatcher.cs

@@ -0,0 +1,36 @@
+using System;
+
+namespace DiscordChatExporter.Core.Markdown.Internal
+{
+    internal class StringMatcher<T> : IMatcher<T>
+    {
+        private readonly string _needle;
+        private readonly StringComparison _comparison;
+        private readonly Func<StringPart, T> _transform;
+
+        public StringMatcher(string needle, StringComparison comparison, Func<StringPart, T> transform)
+        {
+            _needle = needle;
+            _comparison = comparison;
+            _transform = transform;
+        }
+
+        public StringMatcher(string needle, Func<StringPart, T> transform)
+            : this(needle, StringComparison.Ordinal, transform)
+        {
+        }
+
+        public ParsedMatch<T> Match(StringPart stringPart)
+        {
+            var index = stringPart.Target.IndexOf(_needle, stringPart.StartIndex, stringPart.Length, _comparison);
+
+            if (index >= 0)
+            {
+                var stringPartShrunk = stringPart.Shrink(index, _needle.Length);
+                return new ParsedMatch<T>(stringPartShrunk, _transform(stringPartShrunk));
+            }
+
+            return null;
+        }
+    }
+}

DiscordChatExporter.Core.Markdown/Internal/StringPart.cs

@@ -0,0 +1,28 @@
+namespace DiscordChatExporter.Core.Markdown.Internal
+{
+    internal class StringPart
+    {
+        public string Target { get; }
+
+        public int StartIndex { get; }
+
+        public int Length { get; }
+
+        public int EndIndex { get; }
+
+        public StringPart(string target, int startIndex, int length)
+        {
+            Target = target;
+            StartIndex = startIndex;
+            Length = length;
+            EndIndex = startIndex + length;
+        }
+
+        public StringPart(string target)
+            : this(target, 0, target.Length)
+        {
+        }
+
+        public override string ToString() => Target.Substring(StartIndex, Length);
+    }
+}

DiscordChatExporter.Core.Markdown/MarkdownParser.cs

@@ -1,10 +1,237 @@
 using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
 using DiscordChatExporter.Core.Markdown.Internal;
+using DiscordChatExporter.Core.Markdown.Nodes;
+using Tyrrrz.Extensions;
 
 namespace DiscordChatExporter.Core.Markdown
 {
+    // The following parsing logic is meant to replicate Discord's markdown grammar as close as possible
     public static class MarkdownParser
     {
-        public static IReadOnlyList<Node> Parse(string input) => Grammar.BuildTree(input);
+        private const RegexOptions DefaultRegexOptions = RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.Multiline;
+
+        /* Formatting */
+
+        // Capture any character until the earliest double asterisk not followed by an asterisk
+        private static readonly IMatcher<Node> BoldFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("\\*\\*(.+?)\\*\\*(?!\\*)", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Bold, Parse(p.Shrink(m.Groups[1]))));
+
+        // Capture any character until the earliest single asterisk not preceded or followed by an asterisk
+        // Opening asterisk must not be followed by whitespace
+        // Closing asterisk must not be preceded by whitespace
+        private static readonly IMatcher<Node> ItalicFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("\\*(?!\\s)(.+?)(?<!\\s|\\*)\\*(?!\\*)", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Italic, Parse(p.Shrink(m.Groups[1]))));
+
+        // Capture any character until the earliest triple asterisk not followed by an asterisk
+        private static readonly IMatcher<Node> ItalicBoldFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("\\*(\\*\\*.+?\\*\\*)\\*(?!\\*)", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Italic, Parse(p.Shrink(m.Groups[1]), BoldFormattedNodeMatcher)));
+
+        // Capture any character except underscore until an underscore
+        // Closing underscore must not be followed by a word character
+        private static readonly IMatcher<Node> ItalicAltFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("_([^_]+)_(?!\\w)", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Italic, Parse(p.Shrink(m.Groups[1]))));
+
+        // Capture any character until the earliest double underscore not followed by an underscore
+        private static readonly IMatcher<Node> UnderlineFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("__(.+?)__(?!_)", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Underline, Parse(p.Shrink(m.Groups[1]))));
+
+        // Capture any character until the earliest triple underscore not followed by an underscore
+        private static readonly IMatcher<Node> ItalicUnderlineFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("_(__.+?__)_(?!_)", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Italic, Parse(p.Shrink(m.Groups[1]), UnderlineFormattedNodeMatcher)));
+
+        // Capture any character until the earliest double tilde
+        private static readonly IMatcher<Node> StrikethroughFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("~~(.+?)~~", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Strikethrough, Parse(p.Shrink(m.Groups[1]))));
+
+        // Capture any character until the earliest double pipe
+        private static readonly IMatcher<Node> SpoilerFormattedNodeMatcher = new RegexMatcher<Node>(
+            new Regex("\\|\\|(.+?)\\|\\|", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Spoiler, Parse(p.Shrink(m.Groups[1]))));
+
+        // Capture any character until the end of the line
+        // Opening 'greater than' character must be followed by whitespace
+        private static readonly IMatcher<Node> SingleLineQuoteNodeMatcher = new RegexMatcher<Node>(
+            new Regex("^>\\s(.+)\r?\n?", DefaultRegexOptions),
+            (p, m) => new FormattedNode(TextFormatting.Quote, Parse(p.Shrink(m.Groups[1]))));
+
+        // Capture any character until the end of the input
+        // Opening 'greater than' characters must be followed by whitespace
+        private static readonly IMatcher<Node> MultiLineQuoteNodeMatcher = new RegexMatcher<Node>(
+            new Regex("^>>>\\s(.+)", DefaultRegexOptions | RegexOptions.Singleline),
+            (p, m) => new FormattedNode(TextFormatting.Quote, Parse(p.Shrink(m.Groups[1]))));
+
+        /* Code blocks */
+
+        // Capture any character except backtick until a backtick
+        // Blank lines at the beginning and end of content are trimmed
+        private static readonly IMatcher<Node> InlineCodeBlockNodeMatcher = new RegexMatcher<Node>(
+            new Regex("`([^`]+)`", DefaultRegexOptions | RegexOptions.Singleline),
+            m => new InlineCodeBlockNode(m.Groups[1].Value.Trim('\r', '\n')));
+
+        // Capture language identifier and then any character until the earliest triple backtick
+        // Language identifier is one word immediately after opening backticks, followed immediately by newline
+        // Blank lines at the beginning and end of content are trimmed
+        private static readonly IMatcher<Node> MultiLineCodeBlockNodeMatcher = new RegexMatcher<Node>(
+            new Regex("```(?:(\\w*)\\n)?(.+?)```", DefaultRegexOptions | RegexOptions.Singleline),
+            m => new MultiLineCodeBlockNode(m.Groups[1].Value, m.Groups[2].Value.Trim('\r', '\n')));
+
+        /* Mentions */
+
+        // Capture @everyone
+        private static readonly IMatcher<Node> EveryoneMentionNodeMatcher = new StringMatcher<Node>(
+            "@everyone",
+            p => new MentionNode("everyone", MentionType.Meta));
+
+        // Capture @here
+        private static readonly IMatcher<Node> HereMentionNodeMatcher = new StringMatcher<Node>(
+            "@here",
+            p => new MentionNode("here", MentionType.Meta));
+
+        // Capture <@123456> or <@!123456>
+        private static readonly IMatcher<Node> UserMentionNodeMatcher = new RegexMatcher<Node>(
+            new Regex("<@!?(\\d+)>", DefaultRegexOptions),
+            m => new MentionNode(m.Groups[1].Value, MentionType.User));
+
+        // Capture <#123456>
+        private static readonly IMatcher<Node> ChannelMentionNodeMatcher = new RegexMatcher<Node>(
+            new Regex("<#(\\d+)>", DefaultRegexOptions),
+            m => new MentionNode(m.Groups[1].Value, MentionType.Channel));
+
+        // Capture <@&123456>
+        private static readonly IMatcher<Node> RoleMentionNodeMatcher = new RegexMatcher<Node>(
+            new Regex("<@&(\\d+)>", DefaultRegexOptions),
+            m => new MentionNode(m.Groups[1].Value, MentionType.Role));
+
+        /* Emojis */
+
+        // Capture any country flag emoji (two regional indicator surrogate pairs)
+        // ... or "symbol/other" character
+        // ... or surrogate pair
+        // ... or digit followed by enclosing mark
+        // (this does not match all emojis in Discord but it's reasonably accurate enough)
+        private static readonly IMatcher<Node> StandardEmojiNodeMatcher = new RegexMatcher<Node>(
+            new Regex("((?:[\\uD83C][\\uDDE6-\\uDDFF]){2}|\\p{So}|\\p{Cs}{2}|\\d\\p{Me})", DefaultRegexOptions),
+            m => new EmojiNode(m.Groups[1].Value));
+
+        // Capture <:lul:123456> or <a:lul:123456>
+        private static readonly IMatcher<Node> CustomEmojiNodeMatcher = new RegexMatcher<Node>(
+            new Regex("<(a)?:(.+?):(\\d+?)>", DefaultRegexOptions),
+            m => new EmojiNode(m.Groups[3].Value, m.Groups[2].Value, !m.Groups[1].Value.IsNullOrWhiteSpace()));
+
+        /* Links */
+
+        // Capture [title](link)
+        private static readonly IMatcher<Node> TitledLinkNodeMatcher = new RegexMatcher<Node>(
+            new Regex("\\[(.+?)\\]\\((.+?)\\)", DefaultRegexOptions),
+            m => new LinkNode(m.Groups[2].Value, m.Groups[1].Value));
+
+        // Capture any non-whitespace character after http:// or https:// until the last punctuation character or whitespace
+        private static readonly IMatcher<Node> AutoLinkNodeMatcher = new RegexMatcher<Node>(
+            new Regex("(https?://\\S*[^\\.,:;\"\'\\s])", DefaultRegexOptions),
+            m => new LinkNode(m.Groups[1].Value));
+
+        // Same as auto link but also surrounded by angular brackets
+        private static readonly IMatcher<Node> HiddenLinkNodeMatcher = new RegexMatcher<Node>(
+            new Regex("<(https?://\\S*[^\\.,:;\"\'\\s])>", DefaultRegexOptions),
+            m => new LinkNode(m.Groups[1].Value));
+
+        /* Text */
+
+        // Capture the shrug emoticon
+        // This escapes it from matching for formatting
+        private static readonly IMatcher<Node> ShrugTextNodeMatcher = new StringMatcher<Node>(
+            @"¯\_(ツ)_/¯",
+            p => new TextNode(p.ToString()));
+
+        // Capture some specific emojis that don't get rendered
+        // This escapes it from matching for emoji
+        private static readonly IMatcher<Node> IgnoredEmojiTextNodeMatcher = new RegexMatcher<Node>(
+            new Regex("(\\u26A7|\\u2640|\\u2642|\\u2695|\\u267E|\\u00A9|\\u00AE|\\u2122)", DefaultRegexOptions),
+            m => new TextNode(m.Groups[1].Value));
+
+        // Capture any "symbol/other" character or surrogate pair preceded by a backslash
+        // This escapes it from matching for emoji
+        private static readonly IMatcher<Node> EscapedSymbolTextNodeMatcher = new RegexMatcher<Node>(
+            new Regex("\\\\(\\p{So}|\\p{Cs}{2})", DefaultRegexOptions),
+            m => new TextNode(m.Groups[1].Value));
+
+        // Capture any non-whitespace, non latin alphanumeric character preceded by a backslash
+        // This escapes it from matching for formatting or other tokens
+        private static readonly IMatcher<Node> EscapedCharacterTextNodeMatcher = new RegexMatcher<Node>(
+            new Regex("\\\\([^a-zA-Z0-9\\s])", DefaultRegexOptions),
+            m => new TextNode(m.Groups[1].Value));
+
+        // Combine all matchers into one
+        // Matchers that have similar patterns are ordered from most specific to least specific
+        private static readonly IMatcher<Node> AggregateNodeMatcher = new AggregateMatcher<Node>(
+            // Escaped text
+            ShrugTextNodeMatcher,
+            IgnoredEmojiTextNodeMatcher,
+            EscapedSymbolTextNodeMatcher,
+            EscapedCharacterTextNodeMatcher,
+
+            // Formatting
+            ItalicBoldFormattedNodeMatcher,
+            ItalicUnderlineFormattedNodeMatcher,
+            BoldFormattedNodeMatcher,
+            ItalicFormattedNodeMatcher,
+            UnderlineFormattedNodeMatcher,
+            ItalicAltFormattedNodeMatcher,
+            StrikethroughFormattedNodeMatcher,
+            SpoilerFormattedNodeMatcher,
+            MultiLineQuoteNodeMatcher,
+            SingleLineQuoteNodeMatcher,
+
+            // Code blocks
+            MultiLineCodeBlockNodeMatcher,
+            InlineCodeBlockNodeMatcher,
+
+            // Mentions
+            EveryoneMentionNodeMatcher,
+            HereMentionNodeMatcher,
+            UserMentionNodeMatcher,
+            ChannelMentionNodeMatcher,
+            RoleMentionNodeMatcher,
+
+            // Links
+            TitledLinkNodeMatcher,
+            AutoLinkNodeMatcher,
+            HiddenLinkNodeMatcher,
+
+            // Emoji
+            StandardEmojiNodeMatcher,
+            CustomEmojiNodeMatcher);
+
+        private static readonly IMatcher<Node> MinimalAggregateNodeMatcher = new AggregateMatcher<Node>(
+            // Mentions
+            EveryoneMentionNodeMatcher,
+            HereMentionNodeMatcher,
+            UserMentionNodeMatcher,
+            ChannelMentionNodeMatcher,
+            RoleMentionNodeMatcher,
+
+            // Emoji
+            StandardEmojiNodeMatcher,
+            CustomEmojiNodeMatcher);
+
+        private static IReadOnlyList<Node> Parse(StringPart stringPart, IMatcher<Node> matcher) =>
+            matcher.MatchAll(stringPart, p => new TextNode(p.ToString())).Select(r => r.Value).ToArray();
+
+        private static IReadOnlyList<Node> Parse(StringPart stringPart) => Parse(stringPart, AggregateNodeMatcher);
+
+        private static IReadOnlyList<Node> ParseMinimal(StringPart stringPart) => Parse(stringPart, MinimalAggregateNodeMatcher);
+
+        public static IReadOnlyList<Node> Parse(string input) => Parse(new StringPart(input));
+
+        public static IReadOnlyList<Node> ParseMinimal(string input) => ParseMinimal(new StringPart(input));
     }
 }

DiscordChatExporter.Core.Markdown/Node.cs

@@ -1,12 +0,0 @@
-namespace DiscordChatExporter.Core.Markdown
-{
-    public abstract class Node
-    {
-        public string Lexeme { get; }
-
-        protected Node(string lexeme)
-        {
-            Lexeme = lexeme;
-        }
-    }
-}

DiscordChatExporter.Core.Markdown/Nodes/EmojiNode.cs

@@ -1,6 +1,6 @@
 using Tyrrrz.Extensions;
 
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
     public class EmojiNode : Node
     {
@@ -10,18 +10,17 @@ namespace DiscordChatExporter.Core.Markdown
 
         public bool IsAnimated { get; }
 
-        public bool IsCustomEmoji => Id.IsNotBlank();
+        public bool IsCustomEmoji => !Id.IsNullOrWhiteSpace();
 
-        public EmojiNode(string lexeme, string id, string name, bool isAnimated)
-            : base(lexeme)
+        public EmojiNode(string id, string name, bool isAnimated)
         {
             Id = id;
             Name = name;
             IsAnimated = isAnimated;
         }
 
-        public EmojiNode(string lexeme, string name)
-            : this(lexeme, null, name, false)
+        public EmojiNode(string name)
+            : this(null, name, false)
         {
         }
 

DiscordChatExporter.Core.Markdown/Nodes/FormattedNode.cs

@@ -1,19 +1,15 @@
 using System.Collections.Generic;
 
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
     public class FormattedNode : Node
     {
-        public string Token { get; }
-
         public TextFormatting Formatting { get; }
 
         public IReadOnlyList<Node> Children { get; }
 
-        public FormattedNode(string lexeme, string token, TextFormatting formatting, IReadOnlyList<Node> children)
-            : base(lexeme)
+        public FormattedNode(TextFormatting formatting, IReadOnlyList<Node> children)
         {
-            Token = token;
             Formatting = formatting;
             Children = children;
         }

DiscordChatExporter.Core.Markdown/Nodes/InlineCodeBlockNode.cs

@@ -1,11 +1,10 @@
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
     public class InlineCodeBlockNode : Node
     {
         public string Code { get; }
 
-        public InlineCodeBlockNode(string lexeme, string code)
-            : base(lexeme)
+        public InlineCodeBlockNode(string code)
         {
             Code = code;
         }

DiscordChatExporter.Core.Markdown/Nodes/LinkNode.cs

@@ -1,4 +1,4 @@
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
     public class LinkNode : Node
     {
@@ -6,14 +6,14 @@
 
         public string Title { get; }
 
-        public LinkNode(string lexeme, string url, string title)
-            : base(lexeme)
+        public LinkNode(string url, string title)
         {
             Url = url;
             Title = title;
         }
 
-        public LinkNode(string lexeme, string url) : this(lexeme, url, url)
+        public LinkNode(string url)
+            : this(url, url)
         {
         }
 

DiscordChatExporter.Core.Markdown/Nodes/MentionNode.cs

@@ -1,4 +1,4 @@
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
     public class MentionNode : Node
     {
@@ -6,8 +6,7 @@
 
         public MentionType Type { get; }
 
-        public MentionNode(string lexeme, string id, MentionType type)
-            : base(lexeme)
+        public MentionNode(string id, MentionType type)
         {
             Id = id;
             Type = type;

DiscordChatExporter.Core.Markdown/Nodes/MentionType.cs

@@ -1,4 +1,4 @@
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
     public enum MentionType
     {

DiscordChatExporter.Core.Markdown/Nodes/MultiLineCodeBlockNode.cs

@@ -1,13 +1,12 @@
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
-    public class MultilineCodeBlockNode : Node
+    public class MultiLineCodeBlockNode : Node
     {
         public string Language { get; }
 
         public string Code { get; }
 
-        public MultilineCodeBlockNode(string lexeme, string language, string code)
-            : base(lexeme)
+        public MultiLineCodeBlockNode(string language, string code)
         {
             Language = language;
             Code = code;

DiscordChatExporter.Core.Markdown/Nodes/Node.cs

@@ -0,0 +1,6 @@
+namespace DiscordChatExporter.Core.Markdown.Nodes
+{
+    public abstract class Node
+    {
+    }
+}

DiscordChatExporter.Core.Markdown/Nodes/TextFormatting.cs

@@ -1,4 +1,4 @@
-namespace DiscordChatExporter.Core.Markdown
+namespace DiscordChatExporter.Core.Markdown.Nodes
 {
     public enum TextFormatting
     {
@@ -6,6 +6,7 @@
         Italic,
         Underline,
         Strikethrough,
-        Spoiler
+        Spoiler,
+        Quote
     }
 }

DiscordChatExporter.Core.Markdown/Nodes/TextNode.cs

@@ -0,0 +1,14 @@
+namespace DiscordChatExporter.Core.Markdown.Nodes
+{
+    public class TextNode : Node
+    {
+        public string Text { get; }
+
+        public TextNode(string text)
+        {
+            Text = text;
+        }
+
+        public override string ToString() => Text;
+    }
+}

DiscordChatExporter.Core.Markdown/TextNode.cs

@@ -1,19 +0,0 @@
-namespace DiscordChatExporter.Core.Markdown
-{
-    public class TextNode : Node
-    {
-        public string Text { get; }
-
-        public TextNode(string lexeme, string text)
-            : base(lexeme)
-        {
-            Text = text;
-        }
-
-        public TextNode(string text) : this(text, text)
-        {
-        }
-
-        public override string ToString() => Text;
-    }
-}

DiscordChatExporter.Core.Models/Attachment.cs

@@ -1,11 +1,12 @@
 using System;
-using ByteSizeLib;
+using System.IO;
+using System.Linq;
 
 namespace DiscordChatExporter.Core.Models
 {
     // https://discordapp.com/developers/docs/resources/channel#attachment-object
 
-    public class Attachment
+    public partial class Attachment
     {
         public string Id { get; }
 
@@ -17,15 +18,11 @@ namespace DiscordChatExporter.Core.Models
 
         public string FileName { get; }
 
-        public bool IsImage => FileName.EndsWith(".jpg", StringComparison.OrdinalIgnoreCase) ||
-                               FileName.EndsWith(".jpeg", StringComparison.OrdinalIgnoreCase) ||
-                               FileName.EndsWith(".png", StringComparison.OrdinalIgnoreCase) ||
-                               FileName.EndsWith(".gif", StringComparison.OrdinalIgnoreCase) ||
-                               FileName.EndsWith(".bmp", StringComparison.OrdinalIgnoreCase);
+        public bool IsImage { get; }
 
-        public ByteSize FileSize { get; }
+        public FileSize FileSize { get; }
 
-        public Attachment(string id, int? width, int? height, string url, string fileName, ByteSize fileSize)
+        public Attachment(string id, int? width, int? height, string url, string fileName, FileSize fileSize)
         {
             Id = id;
             Url = url;
@@ -33,8 +30,21 @@ namespace DiscordChatExporter.Core.Models
             Height = height;
             FileName = fileName;
             FileSize = fileSize;
+
+            IsImage = GetIsImage(fileName);
         }
 
         public override string ToString() => FileName;
     }
+
+    public partial class Attachment
+    {
+        private static readonly string[] ImageFileExtensions = { ".jpg", ".jpeg", ".png", ".gif", ".bmp" };
+
+        public static bool GetIsImage(string fileName)
+        {
+            var fileExtension = Path.GetExtension(fileName);
+            return ImageFileExtensions.Contains(fileExtension, StringComparer.OrdinalIgnoreCase);
+        }
+    }
 }

DiscordChatExporter.Core.Models/Channel.cs

@@ -15,7 +15,7 @@
         public string Topic { get; }
 
         public ChannelType Type { get; }
-        
+
         public Channel(string id, string parentId, string guildId, string name, string topic, ChannelType type)
         {
             Id = id;

DiscordChatExporter.Core.Models/ChatLog.cs

@@ -9,21 +9,21 @@ namespace DiscordChatExporter.Core.Models
 
         public Channel Channel { get; }
 
-        public DateTime? From { get; }
+        public DateTimeOffset? After { get; }
 
-        public DateTime? To { get; }
+        public DateTimeOffset? Before { get; }
 
         public IReadOnlyList<Message> Messages { get; }
 
         public Mentionables Mentionables { get; }
 
-        public ChatLog(Guild guild, Channel channel, DateTime? from, DateTime? to,
+        public ChatLog(Guild guild, Channel channel, DateTimeOffset? after, DateTimeOffset? before,
             IReadOnlyList<Message> messages, Mentionables mentionables)
         {
             Guild = guild;
             Channel = channel;
-            From = from;
-            To = to;
+            After = after;
+            Before = before;
             Messages = messages;
             Mentionables = mentionables;
         }

DiscordChatExporter.Core.Models/DiscordChatExporter.Core.Models.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Tyrrrz.Extensions" Version="1.6.2" />
+  </ItemGroup>
+
+</Project>

DiscordChatExporter.Core.Models/Embed.cs

@@ -12,7 +12,7 @@ namespace DiscordChatExporter.Core.Models
 
         public string Url { get; }
 
-        public DateTime? Timestamp { get; }
+        public DateTimeOffset? Timestamp { get; }
 
         public Color Color { get; }
 
@@ -28,7 +28,7 @@ namespace DiscordChatExporter.Core.Models
 
         public EmbedFooter Footer { get; }
 
-        public Embed(string title, string url, DateTime? timestamp, Color color, EmbedAuthor author, string description,
+        public Embed(string title, string url, DateTimeOffset? timestamp, Color color, EmbedAuthor author, string description,
             IReadOnlyList<EmbedField> fields, EmbedImage thumbnail, EmbedImage image, EmbedFooter footer)
         {
             Title = title;

DiscordChatExporter.Core.Models/Emoji.cs

@@ -14,31 +14,15 @@ namespace DiscordChatExporter.Core.Models
 
         public bool IsAnimated { get; }
 
-        public string ImageUrl
-        {
-            get
-            {
-                // Custom emoji
-                if (Id.IsNotBlank())
-                {
-                    // Animated
-                    if (IsAnimated)
-                        return $"https://cdn.discordapp.com/emojis/{Id}.gif";
-
-                    // Non-animated
-                    return $"https://cdn.discordapp.com/emojis/{Id}.png";
-                }
-
-                // Standard unicode emoji (via twemoji)
-                return $"https://twemoji.maxcdn.com/2/72x72/{GetTwemojiName(Name)}.png";
-            }
-        }
+        public string ImageUrl { get; }
 
         public Emoji(string id, string name, bool isAnimated)
         {
             Id = id;
             Name = name;
             IsAnimated = isAnimated;
+
+            ImageUrl = GetImageUrl(id, name, isAnimated);
         }
     }
 
@@ -50,7 +34,25 @@ namespace DiscordChatExporter.Core.Models
                 yield return char.ConvertToUtf32(emoji, i);
         }
 
-        private static string GetTwemojiName(string emoji)
-            => GetCodePoints(emoji).Select(i => i.ToString("x")).JoinToString("-");
+        private static string GetTwemojiName(string emoji) =>
+            GetCodePoints(emoji).Select(i => i.ToString("x")).JoinToString("-");
+
+        public static string GetImageUrl(string id, string name, bool isAnimated)
+        {
+            // Custom emoji
+            if (!id.IsNullOrWhiteSpace())
+            {
+                // Animated
+                if (isAnimated)
+                    return $"https://cdn.discordapp.com/emojis/{id}.gif";
+
+                // Non-animated
+                return $"https://cdn.discordapp.com/emojis/{id}.png";
+            }
+
+            // Standard unicode emoji (via twemoji)
+            var twemojiName = GetTwemojiName(name);
+            return $"https://twemoji.maxcdn.com/2/72x72/{twemojiName}.png";
+        }
     }
 }

DiscordChatExporter.Core.Models/FileSize.cs

@@ -0,0 +1,84 @@
+using System;
+
+namespace DiscordChatExporter.Core.Models
+{
+    // Loosely based on https://github.com/omar/ByteSize (MIT license)
+
+    public struct FileSize
+    {
+        public const long BytesInKiloByte = 1024;
+        public const long BytesInMegaByte = 1024 * BytesInKiloByte;
+        public const long BytesInGigaByte = 1024 * BytesInMegaByte;
+        public const long BytesInTeraByte = 1024 * BytesInGigaByte;
+        public const long BytesInPetaByte = 1024 * BytesInTeraByte;
+
+        public const string ByteSymbol = "B";
+        public const string KiloByteSymbol = "KB";
+        public const string MegaByteSymbol = "MB";
+        public const string GigaByteSymbol = "GB";
+        public const string TeraByteSymbol = "TB";
+        public const string PetaByteSymbol = "PB";
+
+        public double Bytes { get; }
+        public double KiloBytes => Bytes / BytesInKiloByte;
+        public double MegaBytes => Bytes / BytesInMegaByte;
+        public double GigaBytes => Bytes / BytesInGigaByte;
+        public double TeraBytes => Bytes / BytesInTeraByte;
+        public double PetaBytes => Bytes / BytesInPetaByte;
+
+        public string LargestWholeNumberSymbol
+        {
+            get
+            {
+                // Absolute value is used to deal with negative values
+                if (Math.Abs(PetaBytes) >= 1)
+                    return PetaByteSymbol;
+
+                if (Math.Abs(TeraBytes) >= 1)
+                    return TeraByteSymbol;
+
+                if (Math.Abs(GigaBytes) >= 1)
+                    return GigaByteSymbol;
+
+                if (Math.Abs(MegaBytes) >= 1)
+                    return MegaByteSymbol;
+
+                if (Math.Abs(KiloBytes) >= 1)
+                    return KiloByteSymbol;
+
+                return ByteSymbol;
+            }
+        }
+
+        public double LargestWholeNumberValue
+        {
+            get
+            {
+                // Absolute value is used to deal with negative values
+                if (Math.Abs(PetaBytes) >= 1)
+                    return PetaBytes;
+
+                if (Math.Abs(TeraBytes) >= 1)
+                    return TeraBytes;
+
+                if (Math.Abs(GigaBytes) >= 1)
+                    return GigaBytes;
+
+                if (Math.Abs(MegaBytes) >= 1)
+                    return MegaBytes;
+
+                if (Math.Abs(KiloBytes) >= 1)
+                    return KiloBytes;
+
+                return Bytes;
+            }
+        }
+
+        public FileSize(double bytes)
+        {
+            Bytes = bytes;
+        }
+
+        public override string ToString() => $"{LargestWholeNumberValue:0.##} {LargestWholeNumberSymbol}";
+    }
+}

DiscordChatExporter.Core.Models/Guild.cs

@@ -12,15 +12,15 @@ namespace DiscordChatExporter.Core.Models
 
         public string IconHash { get; }
 
-        public string IconUrl => IconHash.IsNotBlank()
-            ? $"https://cdn.discordapp.com/icons/{Id}/{IconHash}.png"
-            : "https://cdn.discordapp.com/embed/avatars/0.png";
+        public string IconUrl { get; }
 
         public Guild(string id, string name, string iconHash)
         {
             Id = id;
             Name = name;
             IconHash = iconHash;
+
+            IconUrl = GetIconUrl(id, iconHash);
         }
 
         public override string ToString() => Name;
@@ -28,6 +28,13 @@ namespace DiscordChatExporter.Core.Models
 
     public partial class Guild
     {
+        public static string GetIconUrl(string id, string iconHash)
+        {
+            return !iconHash.IsNullOrWhiteSpace()
+                ? $"https://cdn.discordapp.com/icons/{id}/{iconHash}.png"
+                : "https://cdn.discordapp.com/embed/avatars/0.png";
+        }
+
         public static Guild DirectMessages { get; } = new Guild("@me", "Direct Messages", null);
     }
 }

DiscordChatExporter.Core.Models/Message.cs

@@ -15,9 +15,9 @@ namespace DiscordChatExporter.Core.Models
 
         public User Author { get; }
 
-        public DateTime Timestamp { get; }
+        public DateTimeOffset Timestamp { get; }
 
-        public DateTime? EditedTimestamp { get; }
+        public DateTimeOffset? EditedTimestamp { get; }
 
         public string Content { get; }
 
@@ -29,9 +29,12 @@ namespace DiscordChatExporter.Core.Models
 
         public IReadOnlyList<User> MentionedUsers { get; }
 
-        public Message(string id, string channelId, MessageType type, User author, DateTime timestamp,
-            DateTime? editedTimestamp, string content, IReadOnlyList<Attachment> attachments,
-            IReadOnlyList<Embed> embeds, IReadOnlyList<Reaction> reactions, IReadOnlyList<User> mentionedUsers)
+        public bool IsPinned { get; }
+
+        public Message(string id, string channelId, MessageType type, User author, DateTimeOffset timestamp,
+            DateTimeOffset? editedTimestamp, string content, IReadOnlyList<Attachment> attachments,
+            IReadOnlyList<Embed> embeds, IReadOnlyList<Reaction> reactions, IReadOnlyList<User> mentionedUsers,
+            bool isPinned)
         {
             Id = id;
             ChannelId = channelId;
@@ -44,6 +47,7 @@ namespace DiscordChatExporter.Core.Models
             Embeds = embeds;
             Reactions = reactions;
             MentionedUsers = mentionedUsers;
+            IsPinned = isPinned;
         }
 
         public override string ToString() => Content;

DiscordChatExporter.Core.Models/Role.cs

@@ -19,7 +19,6 @@
 
     public partial class Role
     {
-        public static Role CreateDeletedRole(string id) =>
-            new Role(id, "deleted-role");
+        public static Role CreateDeletedRole(string id) => new Role(id, "deleted-role");
     }
 }

DiscordChatExporter.Core.Models/User.cs

@@ -0,0 +1,62 @@
+using System;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Models
+{
+    // https://discordapp.com/developers/docs/topics/permissions#role-object
+
+    public partial class User
+    {
+        public string Id { get; }
+
+        public int Discriminator { get; }
+
+        public string Name { get; }
+
+        public string FullName { get; }
+
+        public string AvatarHash { get; }
+
+        public string AvatarUrl { get; }
+
+        public bool IsBot { get; }
+
+        public User(string id, int discriminator, string name, string avatarHash, bool isBot)
+        {
+            Id = id;
+            Discriminator = discriminator;
+            Name = name;
+            AvatarHash = avatarHash;
+            IsBot = isBot;
+
+            FullName = GetFullName(name, discriminator);
+            AvatarUrl = GetAvatarUrl(id, discriminator, avatarHash);
+        }
+
+        public override string ToString() => FullName;
+    }
+
+    public partial class User
+    {
+        public static string GetFullName(string name, int discriminator) => $"{name}#{discriminator:0000}";
+
+        public static string GetAvatarUrl(string id, int discriminator, string avatarHash)
+        {
+            // Custom avatar
+            if (!avatarHash.IsNullOrWhiteSpace())
+            {
+                // Animated
+                if (avatarHash.StartsWith("a_", StringComparison.Ordinal))
+                    return $"https://cdn.discordapp.com/avatars/{id}/{avatarHash}.gif";
+
+                // Non-animated
+                return $"https://cdn.discordapp.com/avatars/{id}/{avatarHash}.png";
+            }
+
+            // Default avatar
+            return $"https://cdn.discordapp.com/embed/avatars/{discriminator % 5}.png";
+        }
+
+        public static User CreateUnknownUser(string id) => new User(id, 0, "Unknown", null, false);
+    }
+}

DiscordChatExporter.Core.Rendering/CsvChatLogRenderer.cs

@@ -0,0 +1,123 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using DiscordChatExporter.Core.Markdown;
+using DiscordChatExporter.Core.Markdown.Nodes;
+using DiscordChatExporter.Core.Models;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Rendering
+{
+    public class CsvChatLogRenderer : IChatLogRenderer
+    {
+        private readonly ChatLog _chatLog;
+        private readonly string _dateFormat;
+
+        public CsvChatLogRenderer(ChatLog chatLog, string dateFormat)
+        {
+            _chatLog = chatLog;
+            _dateFormat = dateFormat;
+        }
+
+        private string FormatDate(DateTimeOffset date) =>
+            date.ToLocalTime().ToString(_dateFormat, CultureInfo.InvariantCulture);
+
+        private string FormatMarkdown(Node node)
+        {
+            // Text node
+            if (node is TextNode textNode)
+            {
+                return textNode.Text;
+            }
+
+            // Mention node
+            if (node is MentionNode mentionNode)
+            {
+                // Meta mention node
+                if (mentionNode.Type == MentionType.Meta)
+                {
+                    return mentionNode.Id;
+                }
+
+                // User mention node
+                if (mentionNode.Type == MentionType.User)
+                {
+                    var user = _chatLog.Mentionables.GetUser(mentionNode.Id);
+                    return $"@{user.Name}";
+                }
+
+                // Channel mention node
+                if (mentionNode.Type == MentionType.Channel)
+                {
+                    var channel = _chatLog.Mentionables.GetChannel(mentionNode.Id);
+                    return $"#{channel.Name}";
+                }
+
+                // Role mention node
+                if (mentionNode.Type == MentionType.Role)
+                {
+                    var role = _chatLog.Mentionables.GetRole(mentionNode.Id);
+                    return $"@{role.Name}";
+                }
+            }
+
+            // Emoji node
+            if (node is EmojiNode emojiNode)
+            {
+                return emojiNode.IsCustomEmoji ? $":{emojiNode.Name}:" : emojiNode.Name;
+            }
+
+            // Throw on unexpected nodes
+            throw new InvalidOperationException($"Unexpected node: [{node.GetType()}].");
+        }
+
+        private string FormatMarkdown(IEnumerable<Node> nodes) => nodes.Select(FormatMarkdown).JoinToString("");
+
+        private string FormatMarkdown(string markdown) => FormatMarkdown(MarkdownParser.ParseMinimal(markdown));
+
+        private async Task RenderFieldAsync(TextWriter writer, string value)
+        {
+            var encodedValue = value.Replace("\"", "\"\"");
+            await writer.WriteAsync($"\"{encodedValue}\";");
+        }
+
+        private async Task RenderMessageAsync(TextWriter writer, Message message)
+        {
+            // Author ID
+            await RenderFieldAsync(writer, message.Author.Id);
+
+            // Author
+            await RenderFieldAsync(writer, message.Author.FullName);
+
+            // Timestamp
+            await RenderFieldAsync(writer, FormatDate(message.Timestamp));
+
+            // Content
+            await RenderFieldAsync(writer, FormatMarkdown(message.Content));
+
+            // Attachments
+            var formattedAttachments = message.Attachments.Select(a => a.Url).JoinToString(",");
+            await RenderFieldAsync(writer, formattedAttachments);
+
+            // Reactions
+            var formattedReactions = message.Reactions.Select(r => $"{r.Emoji.Name} ({r.Count})").JoinToString(",");
+            await RenderFieldAsync(writer, formattedReactions);
+
+            // Line break
+            await writer.WriteLineAsync();
+        }
+
+        public async Task RenderAsync(TextWriter writer)
+        {
+            // Headers
+            await writer.WriteLineAsync("AuthorID;Author;Date;Content;Attachments;Reactions;");
+
+            // Log
+            foreach (var message in _chatLog.Messages)
+                await RenderMessageAsync(writer, message);
+        }
+    }
+}

DiscordChatExporter.Core.Rendering/DiscordChatExporter.Core.Rendering.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Include="Resources\HtmlDark.css" />
+    <EmbeddedResource Include="Resources\HtmlDark.html" />
+    <EmbeddedResource Include="Resources\HtmlLight.css" />
+    <EmbeddedResource Include="Resources\HtmlLight.html" />
+    <EmbeddedResource Include="Resources\HtmlShared.css" />
+    <EmbeddedResource Include="Resources\HtmlShared.html" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Scriban" Version="2.1.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DiscordChatExporter.Core.Markdown\DiscordChatExporter.Core.Markdown.csproj" />
+    <ProjectReference Include="..\DiscordChatExporter.Core.Models\DiscordChatExporter.Core.Models.csproj" />
+  </ItemGroup>
+
+</Project>

DiscordChatExporter.Core.Rendering/HtmlChatLogRenderer.MessageGroup.cs

@@ -2,19 +2,19 @@
 using System.Collections.Generic;
 using DiscordChatExporter.Core.Models;
 
-namespace DiscordChatExporter.Core.Services
+namespace DiscordChatExporter.Core.Rendering
 {
-    public partial class ExportService
+    public partial class HtmlChatLogRenderer
     {
         private class MessageGroup
         {
             public User Author { get; }
 
-            public DateTime Timestamp { get; }
+            public DateTimeOffset Timestamp { get; }
 
             public IReadOnlyList<Message> Messages { get; }
 
-            public MessageGroup(User author, DateTime timestamp, IReadOnlyList<Message> messages)
+            public MessageGroup(User author, DateTimeOffset timestamp, IReadOnlyList<Message> messages)
             {
                 Author = author;
                 Timestamp = timestamp;

DiscordChatExporter.Core.Rendering/HtmlChatLogRenderer.TemplateLoader.cs

@@ -0,0 +1,27 @@
+using System.Reflection;
+using System.Threading.Tasks;
+using Scriban;
+using Scriban.Parsing;
+using Scriban.Runtime;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Rendering
+{
+    public partial class HtmlChatLogRenderer
+    {
+        private class TemplateLoader : ITemplateLoader
+        {
+            private const string ResourceRootNamespace = "DiscordChatExporter.Core.Rendering.Resources";
+
+            public string Load(string templatePath) =>
+                Assembly.GetExecutingAssembly().GetManifestResourceString($"{ResourceRootNamespace}.{templatePath}");
+
+            public string GetPath(TemplateContext context, SourceSpan callerSpan, string templateName) => templateName;
+
+            public string Load(TemplateContext context, SourceSpan callerSpan, string templatePath) => Load(templatePath);
+
+            public ValueTask<string> LoadAsync(TemplateContext context, SourceSpan callerSpan, string templatePath) =>
+                new ValueTask<string>(Load(templatePath));
+        }
+    }
+}

DiscordChatExporter.Core.Rendering/HtmlChatLogRenderer.cs

@@ -0,0 +1,210 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using DiscordChatExporter.Core.Markdown;
+using DiscordChatExporter.Core.Markdown.Nodes;
+using DiscordChatExporter.Core.Models;
+using Scriban;
+using Scriban.Runtime;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Rendering
+{
+    public partial class HtmlChatLogRenderer : IChatLogRenderer
+    {
+        private readonly ChatLog _chatLog;
+        private readonly string _themeName;
+        private readonly string _dateFormat;
+
+        public HtmlChatLogRenderer(ChatLog chatLog, string themeName, string dateFormat)
+        {
+            _chatLog = chatLog;
+            _themeName = themeName;
+            _dateFormat = dateFormat;
+        }
+
+        private string HtmlEncode(string s) => WebUtility.HtmlEncode(s);
+
+        private string FormatDate(DateTimeOffset date) =>
+            date.ToLocalTime().ToString(_dateFormat, CultureInfo.InvariantCulture);
+
+        private IEnumerable<MessageGroup> GroupMessages(IEnumerable<Message> messages) =>
+            messages.GroupContiguous((buffer, message) =>
+            {
+                // Break group if the author changed
+                if (buffer.Last().Author.Id != message.Author.Id)
+                    return false;
+
+                // Break group if last message was more than 7 minutes ago
+                if ((message.Timestamp - buffer.Last().Timestamp).TotalMinutes > 7)
+                    return false;
+
+                return true;
+            }).Select(g => new MessageGroup(g.First().Author, g.First().Timestamp, g));
+
+        private string FormatMarkdown(Node node, bool isJumbo)
+        {
+            // Text node
+            if (node is TextNode textNode)
+            {
+                // Return HTML-encoded text
+                return HtmlEncode(textNode.Text);
+            }
+
+            // Formatted node
+            if (node is FormattedNode formattedNode)
+            {
+                // Recursively get inner html
+                var innerHtml = FormatMarkdown(formattedNode.Children, false);
+
+                // Bold
+                if (formattedNode.Formatting == TextFormatting.Bold)
+                    return $"<strong>{innerHtml}</strong>";
+
+                // Italic
+                if (formattedNode.Formatting == TextFormatting.Italic)
+                    return $"<em>{innerHtml}</em>";
+
+                // Underline
+                if (formattedNode.Formatting == TextFormatting.Underline)
+                    return $"<u>{innerHtml}</u>";
+
+                // Strikethrough
+                if (formattedNode.Formatting == TextFormatting.Strikethrough)
+                    return $"<s>{innerHtml}</s>";
+
+                // Spoiler
+                if (formattedNode.Formatting == TextFormatting.Spoiler)
+                    return $"<span class=\"spoiler\">{innerHtml}</span>";
+
+                // Quote
+                if (formattedNode.Formatting == TextFormatting.Quote)
+                    return $"<div class=\"quote\">{innerHtml}</div>";
+            }
+
+            // Inline code block node
+            if (node is InlineCodeBlockNode inlineCodeBlockNode)
+            {
+                return $"<span class=\"pre pre--inline\">{HtmlEncode(inlineCodeBlockNode.Code)}</span>";
+            }
+
+            // Multi-line code block node
+            if (node is MultiLineCodeBlockNode multilineCodeBlockNode)
+            {
+                // Set CSS class for syntax highlighting
+                var highlightCssClass = !multilineCodeBlockNode.Language.IsNullOrWhiteSpace()
+                    ? $"language-{multilineCodeBlockNode.Language}"
+                    : "nohighlight";
+
+                return $"<div class=\"pre pre--multiline {highlightCssClass}\">{HtmlEncode(multilineCodeBlockNode.Code)}</div>";
+            }
+
+            // Mention node
+            if (node is MentionNode mentionNode)
+            {
+                // Meta mention node
+                if (mentionNode.Type == MentionType.Meta)
+                {
+                    return $"<span class=\"mention\">@{HtmlEncode(mentionNode.Id)}</span>";
+                }
+
+                // User mention node
+                if (mentionNode.Type == MentionType.User)
+                {
+                    var user = _chatLog.Mentionables.GetUser(mentionNode.Id);
+                    return $"<span class=\"mention\" title=\"{HtmlEncode(user.FullName)}\">@{HtmlEncode(user.Name)}</span>";
+                }
+
+                // Channel mention node
+                if (mentionNode.Type == MentionType.Channel)
+                {
+                    var channel = _chatLog.Mentionables.GetChannel(mentionNode.Id);
+                    return $"<span class=\"mention\">#{HtmlEncode(channel.Name)}</span>";
+                }
+
+                // Role mention node
+                if (mentionNode.Type == MentionType.Role)
+                {
+                    var role = _chatLog.Mentionables.GetRole(mentionNode.Id);
+                    return $"<span class=\"mention\">@{HtmlEncode(role.Name)}</span>";
+                }
+            }
+
+            // Emoji node
+            if (node is EmojiNode emojiNode)
+            {
+                // Get emoji image URL
+                var emojiImageUrl = Emoji.GetImageUrl(emojiNode.Id, emojiNode.Name, emojiNode.IsAnimated);
+
+                // Make emoji large if it's jumbo
+                var jumboableCssClass = isJumbo ? "emoji--large" : null;
+
+                return $"<img class=\"emoji {jumboableCssClass}\" alt=\"{emojiNode.Name}\" title=\"{emojiNode.Name}\" src=\"{emojiImageUrl}\" />";
+            }
+
+            // Link node
+            if (node is LinkNode linkNode)
+            {
+                // Extract message ID if the link points to a Discord message
+                var linkedMessageId = Regex.Match(linkNode.Url, "^https?://discordapp.com/channels/.*?/(\\d+)/?$").Groups[1].Value;
+
+                return linkedMessageId.IsNullOrWhiteSpace()
+                    ? $"<a href=\"{Uri.EscapeUriString(linkNode.Url)}\">{HtmlEncode(linkNode.Title)}</a>"
+                    : $"<a href=\"{Uri.EscapeUriString(linkNode.Url)}\" onclick=\"scrollToMessage(event, '{linkedMessageId}')\">{HtmlEncode(linkNode.Title)}</a>";
+            }
+
+            // Throw on unexpected nodes
+            throw new InvalidOperationException($"Unexpected node: [{node.GetType()}].");
+        }
+
+        private string FormatMarkdown(IReadOnlyList<Node> nodes, bool isTopLevel)
+        {
+            // Emojis are jumbo if all top-level nodes are emoji nodes or whitespace text nodes
+            var isJumbo = isTopLevel && nodes.All(n => n is EmojiNode || n is TextNode textNode && textNode.Text.IsNullOrWhiteSpace());
+
+            return nodes.Select(n => FormatMarkdown(n, isJumbo)).JoinToString("");
+        }
+
+        private string FormatMarkdown(string markdown) => FormatMarkdown(MarkdownParser.Parse(markdown), true);
+
+        public async Task RenderAsync(TextWriter writer)
+        {
+            // Create template loader
+            var loader = new TemplateLoader();
+
+            // Get template
+            var templateCode = loader.Load($"Html{_themeName}.html");
+            var template = Template.Parse(templateCode);
+
+            // Create template context
+            var context = new TemplateContext
+            {
+                TemplateLoader = loader,
+                MemberRenamer = m => m.Name,
+                MemberFilter = m => true,
+                LoopLimit = int.MaxValue,
+                StrictVariables = true
+            };
+
+            // Create template model
+            var model = new ScriptObject();
+            model.SetValue("Model", _chatLog, true);
+            model.Import(nameof(GroupMessages), new Func<IEnumerable<Message>, IEnumerable<MessageGroup>>(GroupMessages));
+            model.Import(nameof(FormatDate), new Func<DateTimeOffset, string>(FormatDate));
+            model.Import(nameof(FormatMarkdown), new Func<string, string>(FormatMarkdown));
+            context.PushGlobal(model);
+
+            // Configure output
+            context.PushOutput(new TextWriterOutput(writer));
+
+            // HACK: Render output in a separate thread
+            // (even though Scriban has async API, it still makes a lot of blocking CPU-bound calls)
+            await Task.Run(async () => await context.EvaluateAsync(template.Page));
+        }
+    }
+}

DiscordChatExporter.Core.Rendering/IChatLogRenderer.cs

@@ -0,0 +1,10 @@
+using System.IO;
+using System.Threading.Tasks;
+
+namespace DiscordChatExporter.Core.Rendering
+{
+    public interface IChatLogRenderer
+    {
+        Task RenderAsync(TextWriter writer);
+    }
+}

DiscordChatExporter.Core.Rendering/PlainTextChatLogRenderer.cs

@@ -0,0 +1,236 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using DiscordChatExporter.Core.Markdown;
+using DiscordChatExporter.Core.Markdown.Nodes;
+using DiscordChatExporter.Core.Models;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Rendering
+{
+    public class PlainTextChatLogRenderer : IChatLogRenderer
+    {
+        private readonly ChatLog _chatLog;
+        private readonly string _dateFormat;
+
+        public PlainTextChatLogRenderer(ChatLog chatLog, string dateFormat)
+        {
+            _chatLog = chatLog;
+            _dateFormat = dateFormat;
+        }
+
+        private string FormatDate(DateTimeOffset date) =>
+            date.ToLocalTime().ToString(_dateFormat, CultureInfo.InvariantCulture);
+
+        private string FormatDateRange(DateTimeOffset? after, DateTimeOffset? before)
+        {
+            // Both 'after' and 'before'
+            if (after != null && before != null)
+                return $"{FormatDate(after.Value)} to {FormatDate(before.Value)}";
+
+            // Just 'after'
+            if (after != null)
+                return $"after {FormatDate(after.Value)}";
+
+            // Just 'before'
+            if (before != null)
+                return $"before {FormatDate(before.Value)}";
+
+            // Neither
+            return null;
+        }
+
+        private string FormatMarkdown(Node node)
+        {
+            // Text node
+            if (node is TextNode textNode)
+            {
+                return textNode.Text;
+            }
+
+            // Mention node
+            if (node is MentionNode mentionNode)
+            {
+                // Meta mention node
+                if (mentionNode.Type == MentionType.Meta)
+                {
+                    return mentionNode.Id;
+                }
+
+                // User mention node
+                if (mentionNode.Type == MentionType.User)
+                {
+                    var user = _chatLog.Mentionables.GetUser(mentionNode.Id);
+                    return $"@{user.Name}";
+                }
+
+                // Channel mention node
+                if (mentionNode.Type == MentionType.Channel)
+                {
+                    var channel = _chatLog.Mentionables.GetChannel(mentionNode.Id);
+                    return $"#{channel.Name}";
+                }
+
+                // Role mention node
+                if (mentionNode.Type == MentionType.Role)
+                {
+                    var role = _chatLog.Mentionables.GetRole(mentionNode.Id);
+                    return $"@{role.Name}";
+                }
+            }
+
+            // Emoji node
+            if (node is EmojiNode emojiNode)
+            {
+                return emojiNode.IsCustomEmoji ? $":{emojiNode.Name}:" : emojiNode.Name;
+            }
+
+            // Throw on unexpected nodes
+            throw new InvalidOperationException($"Unexpected node: [{node.GetType()}].");
+        }
+
+        private string FormatMarkdown(IEnumerable<Node> nodes) => nodes.Select(FormatMarkdown).JoinToString("");
+
+        private string FormatMarkdown(string markdown) => FormatMarkdown(MarkdownParser.ParseMinimal(markdown));
+
+        private async Task RenderMessageHeaderAsync(TextWriter writer, Message message)
+        {
+            // Timestamp
+            await writer.WriteAsync($"[{FormatDate(message.Timestamp)}]");
+
+            // Author
+            await writer.WriteAsync($" {message.Author.FullName}");
+
+            // Whether the message is pinned
+            if (message.IsPinned)
+                await writer.WriteAsync(" (pinned)");
+
+            await writer.WriteLineAsync();
+        }
+
+        private async Task RenderAttachmentsAsync(TextWriter writer, IReadOnlyList<Attachment> attachments)
+        {
+            if (attachments.Any())
+            {
+                await writer.WriteLineAsync("{Attachments}");
+
+                foreach (var attachment in attachments)
+                    await writer.WriteLineAsync(attachment.Url);
+
+                await writer.WriteLineAsync();
+            }
+        }
+
+        private async Task RenderEmbedsAsync(TextWriter writer, IReadOnlyList<Embed> embeds)
+        {
+            foreach (var embed in embeds)
+            {
+                await writer.WriteLineAsync("{Embed}");
+
+                // Author name
+                if (!(embed.Author?.Name).IsNullOrWhiteSpace())
+                    await writer.WriteLineAsync(embed.Author?.Name);
+
+                // URL
+                if (!embed.Url.IsNullOrWhiteSpace())
+                    await writer.WriteLineAsync(embed.Url);
+
+                // Title
+                if (!embed.Title.IsNullOrWhiteSpace())
+                    await writer.WriteLineAsync(FormatMarkdown(embed.Title));
+
+                // Description
+                if (!embed.Description.IsNullOrWhiteSpace())
+                    await writer.WriteLineAsync(FormatMarkdown(embed.Description));
+
+                // Fields
+                foreach (var field in embed.Fields)
+                {
+                    // Name
+                    if (!field.Name.IsNullOrWhiteSpace())
+                        await writer.WriteLineAsync(field.Name);
+
+                    // Value
+                    if (!field.Value.IsNullOrWhiteSpace())
+                        await writer.WriteLineAsync(field.Value);
+                }
+
+                // Thumbnail URL
+                if (!(embed.Thumbnail?.Url).IsNullOrWhiteSpace())
+                    await writer.WriteLineAsync(embed.Thumbnail?.Url);
+
+                // Image URL
+                if (!(embed.Image?.Url).IsNullOrWhiteSpace())
+                    await writer.WriteLineAsync(embed.Image?.Url);
+
+                // Footer text
+                if (!(embed.Footer?.Text).IsNullOrWhiteSpace())
+                    await writer.WriteLineAsync(embed.Footer?.Text);
+
+                await writer.WriteLineAsync();
+            }
+        }
+
+        private async Task RenderReactionsAsync(TextWriter writer, IReadOnlyList<Reaction> reactions)
+        {
+            if (reactions.Any())
+            {
+                await writer.WriteLineAsync("{Reactions}");
+
+                foreach (var reaction in reactions)
+                {
+                    await writer.WriteAsync(reaction.Emoji.Name);
+
+                    if (reaction.Count > 1)
+                        await writer.WriteAsync($" ({reaction.Count})");
+
+                    await writer.WriteAsync(" ");
+                }
+
+                await writer.WriteLineAsync();
+                await writer.WriteLineAsync();
+            }
+        }
+
+        private async Task RenderMessageAsync(TextWriter writer, Message message)
+        {
+            // Header
+            await RenderMessageHeaderAsync(writer, message);
+
+            // Content
+            await writer.WriteLineAsync(FormatMarkdown(message.Content));
+
+            // Separator
+            await writer.WriteLineAsync();
+
+            // Attachments
+            await RenderAttachmentsAsync(writer, message.Attachments);
+
+            // Embeds
+            await RenderEmbedsAsync(writer, message.Embeds);
+
+            // Reactions
+            await RenderReactionsAsync(writer, message.Reactions);
+        }
+
+        public async Task RenderAsync(TextWriter writer)
+        {
+            // Metadata
+            await writer.WriteLineAsync('='.Repeat(62));
+            await writer.WriteLineAsync($"Guild: {_chatLog.Guild.Name}");
+            await writer.WriteLineAsync($"Channel: {_chatLog.Channel.Name}");
+            await writer.WriteLineAsync($"Topic: {_chatLog.Channel.Topic}");
+            await writer.WriteLineAsync($"Messages: {_chatLog.Messages.Count:N0}");
+            await writer.WriteLineAsync($"Range: {FormatDateRange(_chatLog.After, _chatLog.Before)}");
+            await writer.WriteLineAsync('='.Repeat(62));
+            await writer.WriteLineAsync();
+
+            // Log
+            foreach (var message in _chatLog.Messages)
+                await RenderMessageAsync(writer, message);
+        }
+    }
+}

DiscordChatExporter.Core.Rendering/Resources/HtmlDark.css

@@ -13,6 +13,10 @@ a {
     background-color: rgba(255, 255, 255, 0.1);
 }
 
+.quote {
+    border-color: #4f545c;
+}
+
 .pre {
     background-color: #2f3136 !important;
 }
@@ -54,6 +58,14 @@ a {
     color: rgba(255, 255, 255, 0.2);
 }
 
+.chatlog__message--highlighted {
+    background-color: rgba(114, 137, 218, 0.2) !important;
+}
+
+.chatlog__message--pinned {
+    background-color: rgba(249, 168, 37, 0.05);
+}
+
 .chatlog__edited-timestamp {
     color: rgba(255, 255, 255, 0.2);
 }

DiscordChatExporter.Core.Rendering/Resources/HtmlDark.html

@@ -0,0 +1,3 @@
+{{~ ThemeStyleSheet = include "HtmlDark.css" ~}}
+{{~ HighlightJsStyleName = "solarized-dark" ~}}
+{{~ include "HtmlShared.html" ~}}

DiscordChatExporter.Core.Rendering/Resources/HtmlLight.css

@@ -2,7 +2,8 @@
 
 body {
     background-color: #ffffff;
-    color: #747f8d;
+    color: #23262a;
+    font-weight: 500;
 }
 
 a {
@@ -13,6 +14,10 @@ a {
     background-color: rgba(0, 0, 0, 0.1);
 }
 
+.quote {
+    border-color: #c7ccd1;
+}
+
 .pre {
     background-color: #f9f9f9 !important;
 }
@@ -48,15 +53,24 @@ a {
 }
 
 .chatlog__author-name {
+    font-weight: 600;
     color: #2f3136;
 }
 
 .chatlog__timestamp {
-    color: #99aab5;
+    color: #747f8d;
+}
+
+.chatlog__message--highlighted {
+    background-color: rgba(114, 137, 218, 0.2) !important;
+}
+
+.chatlog__message--pinned {
+    background-color: rgba(249, 168, 37, 0.05);
 }
 
 .chatlog__edited-timestamp {
-    color: #99aab5;
+    color: #747f8d;
 }
 
 .chatlog__embed-content-container {
@@ -89,7 +103,7 @@ a {
 }
 
 .chatlog__embed-footer {
-    color: rgba(79, 83, 91, 0.4);
+    color: rgba(79, 83, 91, 0.6);
 }
 
 .chatlog__reaction {
@@ -97,5 +111,5 @@ a {
 }
 
 .chatlog__reaction-count {
-    color: #99aab5;
+    color: #747f8d;
 }

DiscordChatExporter.Core.Rendering/Resources/HtmlLight.html

@@ -0,0 +1,3 @@
+{{~ ThemeStyleSheet = include "HtmlLight.css" ~}}
+{{~ HighlightJsStyleName = "solarized-light" ~}}
+{{~ include "HtmlShared.html" ~}}

DiscordChatExporter.Core.Rendering/Resources/HtmlShared.css

@@ -1,8 +1,38 @@
 /* === GENERAL === */
 
+@font-face {
+    font-family: Whitney;
+    src: url(https://discordapp.com/assets/6c6374bad0b0b6d204d8d6dc4a18d820.woff);
+    font-weight: 300;
+}
+
+@font-face {
+    font-family: Whitney;
+    src: url(https://discordapp.com/assets/e8acd7d9bf6207f99350ca9f9e23b168.woff);
+    font-weight: 400;
+}
+
+@font-face {
+    font-family: Whitney;
+    src: url(https://discordapp.com/assets/3bdef1251a424500c1b3a78dea9b7e57.woff);
+    font-weight: 500;
+}
+
+@font-face {
+    font-family: Whitney;
+    src: url(https://discordapp.com/assets/be0060dafb7a0e31d2a1ca17c0708636.woff);
+    font-weight: 600;
+}
+
+@font-face {
+    font-family: Whitney;
+    src: url(https://discordapp.com/assets/8e12fb4f14d9c4592eb8ec9f22337b04.woff);
+    font-weight: 700;
+}
+
 body {
     font-family: "Whitney", "Helvetica Neue", Helvetica, Arial, sans-serif;
-    font-size: 16px;
+    font-size: 17px;
 }
 
 a {
@@ -27,20 +57,28 @@ img {
     border-radius: 3px;
 }
 
+.quote {
+    border-left: 4px solid;
+    border-radius: 3px;
+    margin: 8px 0;
+    padding-left: 10px;
+}
+
 .pre {
-    font-family: "Consolas", "Courier New", Courier, Monospace;
+    font-family: "Consolas", "Courier New", Courier, monospace;
 }
 
 .pre--multiline {
     margin-top: 4px;
     padding: 8px;
     border: 2px solid;
-    border-radius: 5px;    
+    border-radius: 5px;
 }
 
 .pre--inline {
     padding: 2px;
     border-radius: 3px;
+    font-size: 85%;
 }
 
 .mention {
@@ -69,7 +107,7 @@ img {
 .info {
     display: flex;
     max-width: 100%;
-    margin: 0 5px 10px 5px;    
+    margin: 0 5px 10px 5px;
 }
 
 .info__guild-icon-container {
@@ -148,8 +186,15 @@ img {
     font-size: .75em;
 }
 
+.chatlog__message {
+    padding: 2px 5px;
+    margin-right: -5px;
+    margin-left: -5px;
+    background-color: transparent;
+    transition: background-color 1s ease;
+}
+
 .chatlog__content {
-    padding-top: 5px;
     font-size: .9375em;
     word-wrap: break-word;
 }
@@ -159,20 +204,17 @@ img {
     font-size: .8em;
 }
 
-.chatlog__attachment {
-    margin: 5px 0;
-}
-
 .chatlog__attachment-thumbnail {
+    margin-top: 5px;
     max-width: 50%;
     max-height: 500px;
     border-radius: 3px;
 }
 
 .chatlog__embed {
+    margin-top: 5px;
     display: flex;
     max-width: 520px;
-    margin-top: 5px;
 }
 
 .chatlog__embed-color-pill {
@@ -270,7 +312,7 @@ img {
     margin-top: 10px;
 }
 
-.chatlog__embed-image {    
+.chatlog__embed-image {
     max-width: 500px;
     max-height: 400px;
     border-radius: 3px;
@@ -289,7 +331,7 @@ img {
 }
 
 .chatlog__embed-footer-text {
-    font-weight: 600;
+    font-weight: 500;
     font-size: .75em;
 }
 
@@ -309,4 +351,17 @@ img {
     min-width: 9px;
     margin-left: 6px;
     font-size: .875em;
+}
+
+.chatlog__bot-tag {
+    margin-left: 0.3em;
+    background: #7289da;
+    color: #ffffff;
+    font-size: 0.625em;
+    padding: 1px 2px;
+    border-radius: 3px;
+    vertical-align: middle;
+    line-height: 1.3;
+    position: relative;
+    top: -.2em;
 }

DiscordChatExporter.Core.Rendering/Resources/HtmlShared.html

@@ -9,12 +9,34 @@
 
     {{~ # Styles ~}}
     <style>
-        {{ include "HtmlShared.Main.css" }}
+        {{ include "HtmlShared.css" }}
     </style>
     <style>
         {{ ThemeStyleSheet }}
     </style>
 
+    {{~ # Local scripts ~}}
+    <script>
+        function scrollToMessage(event, id) {
+            var element = document.getElementById('message-' + id);
+
+            if (element !== null && element !== undefined) {
+                event.preventDefault();
+
+                element.classList.add('chatlog__message--highlighted');
+
+                window.scrollTo({
+                    top: element.getBoundingClientRect().top - document.body.getBoundingClientRect().top - (window.innerHeight / 2),
+                    behavior: 'smooth'
+                });
+
+                window.setTimeout(function() {
+                    element.classList.remove('chatlog__message--highlighted');
+                }, 2000);
+            }
+        }
+    </script>
+
     {{~ # Syntax highlighting ~}}
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.15.6/styles/{{HighlightJsStyleName}}.min.css">
     <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/9.15.6/highlight.min.js"></script>
@@ -27,7 +49,7 @@
     </script>
 </head>
 <body>
-    
+
 {{~ # Info ~}}
 <div class="info">
     <div class="info__guild-icon-container">
@@ -36,21 +58,21 @@
     <div class="info__metadata">
         <div class="info__guild-name">{{ Model.Guild.Name | html.escape }}</div>
         <div class="info__channel-name">{{ Model.Channel.Name | html.escape }}</div>
-        
+
         {{~ if Model.Channel.Topic ~}}
             <div class="info__channel-topic">{{ Model.Channel.Topic | html.escape }}</div>
         {{~ end ~}}
 
-        <div class="info__channel-message-count">{{ Model.Messages | array.size | Format "N0" }} messages</div>
-        
-        {{~ if Model.From || Model.To ~}}
+        <div class="info__channel-message-count">{{ Model.Messages | array.size | object.format "N0" }} messages</div>
+
+        {{~ if Model.After || Model.Before ~}}
             <div class="info__channel-date-range">
-                {{~ if Model.From && Model.To ~}}
-                    Between {{ Model.From | FormatDate | html.escape }} and {{ Model.To | FormatDate | html.escape }}
-                {{~ else if Model.From ~}}
-                    After {{ Model.From | FormatDate | html.escape }}
-                {{~ else if Model.To ~}}
-                    Before {{ Model.To | FormatDate | html.escape }}
+                {{~ if Model.After && Model.Before ~}}
+                    Between {{ Model.After | FormatDate | html.escape }} and {{ Model.Before | FormatDate | html.escape }}
+                {{~ else if Model.After ~}}
+                    After {{ Model.After | FormatDate | html.escape }}
+                {{~ else if Model.Before ~}}
+                    Before {{ Model.Before | FormatDate | html.escape }}
                 {{~ end ~}}
             </div>
         {{~ end ~}}
@@ -64,14 +86,21 @@
             {{~ # Avatar ~}}
             <div class="chatlog__author-avatar-container">
                 <img class="chatlog__author-avatar" src="{{ group.Author.AvatarUrl }}" />
-            </div>            
+            </div>
             <div class="chatlog__messages">
                 {{~ # Author name and timestamp ~}}
-                <span class="chatlog__author-name" title="{{ group.Author.FullName | html.escape }}">{{ group.Author.Name | html.escape }}</span>
+                <span class="chatlog__author-name" title="{{ group.Author.FullName | html.escape }}" data-user-id="{{ group.Author.Id | html.escape }}">{{ group.Author.Name | html.escape }}</span>
+
+                {{~ # Bot tag ~}}
+                {{~ if group.Author.IsBot ~}}
+                    <span class="chatlog__bot-tag">BOT</span>
+                {{~ end ~}}
+
                 <span class="chatlog__timestamp">{{ group.Timestamp | FormatDate | html.escape }}</span>
 
                 {{~ # Messages ~}}
                 {{~ for message in group.Messages ~}}
+                    <div class="chatlog__message {{if message.IsPinned }}chatlog__message--pinned{{ end }}" data-message-id="{{ message.Id }}" id="message-{{ message.Id }}">
                     {{~ # Content ~}}
                     {{~ if message.Content ~}}
                         <div class="chatlog__content">
@@ -166,9 +195,9 @@
                                             </a>
                                         </div>
                                     {{~ end ~}}
-                                </div>    
+                                </div>
 
-                                {{~ # Image ~}} 
+                                {{~ # Image ~}}
                                 {{~ if embed.Image ~}}
                                     <div class="chatlog__embed-image-container">
                                         <a class="chatlog__embed-image-link" href="{{ embed.Image.Url }}">
@@ -185,7 +214,7 @@
                                                 <img class="chatlog__embed-footer-icon" src="{{ embed.Footer.IconUrl }}" />
                                             {{~ end ~}}
                                         {{~ end ~}}
-                                        
+
                                         <span class="chatlog__embed-footer-text">
                                             {{~ if embed.Footer ~}}
                                                 {{~ if embed.Footer.Text ~}}
@@ -215,6 +244,7 @@
                             {{~ end ~}}
                         </div>
                     {{~ end ~}}
+                    </div>
                 {{~ end ~}}
             </div>
         </div>
@@ -222,4 +252,4 @@
 </div>
 
 </body>
-</html>
+</html>

DiscordChatExporter.Core.Services/DataService.Parsers.cs

@@ -1,9 +1,8 @@
 using System;
 using System.Drawing;
 using System.Linq;
-using ByteSizeLib;
-using DiscordChatExporter.Core.Internal;
 using DiscordChatExporter.Core.Models;
+using DiscordChatExporter.Core.Services.Internal;
 using Newtonsoft.Json.Linq;
 using Tyrrrz.Extensions;
 
@@ -17,8 +16,9 @@ namespace DiscordChatExporter.Core.Services
             var discriminator = json["discriminator"].Value<int>();
             var name = json["username"].Value<string>();
             var avatarHash = json["avatar"].Value<string>();
+            var isBot = json["bot"]?.Value<bool>() ?? false;
 
-            return new User(id, discriminator, name, avatarHash);
+            return new User(id, discriminator, name, avatarHash, isBot);
         }
 
         private Guild ParseGuild(JToken json)
@@ -42,14 +42,14 @@ namespace DiscordChatExporter.Core.Services
             var guildId = json["guild_id"]?.Value<string>();
 
             // If the guild ID is blank, it's direct messages
-            if (guildId.IsBlank())
+            if (guildId.IsNullOrWhiteSpace())
                 guildId = Guild.DirectMessages.Id;
 
             // Try to extract name
             var name = json["name"]?.Value<string>();
 
             // If the name is blank, it's direct messages
-            if (name.IsBlank())
+            if (name.IsNullOrWhiteSpace())
                 name = json["recipients"].Select(ParseUser).Select(u => u.Name).JoinToString(", ");
 
             return new Channel(id, parentId, guildId, name, topic, type);
@@ -72,7 +72,7 @@ namespace DiscordChatExporter.Core.Services
             var fileName = json["filename"].Value<string>();
             var fileSizeBytes = json["size"].Value<long>();
 
-            var fileSize = ByteSize.FromBytes(fileSizeBytes);
+            var fileSize = new FileSize(fileSizeBytes);
 
             return new Attachment(id, width, height, url, fileName, fileSize);
         }
@@ -118,7 +118,7 @@ namespace DiscordChatExporter.Core.Services
             var title = json["title"]?.Value<string>();
             var description = json["description"]?.Value<string>();
             var url = json["url"]?.Value<string>();
-            var timestamp = json["timestamp"]?.Value<DateTime>();
+            var timestamp = json["timestamp"]?.Value<DateTime>().ToDateTimeOffset();
 
             // Get color
             var color = json["color"] != null
@@ -165,8 +165,8 @@ namespace DiscordChatExporter.Core.Services
             // Get basic data
             var id = json["id"].Value<string>();
             var channelId = json["channel_id"].Value<string>();
-            var timestamp = json["timestamp"].Value<DateTime>();
-            var editedTimestamp = json["edited_timestamp"]?.Value<DateTime?>();
+            var timestamp = json["timestamp"].Value<DateTime>().ToDateTimeOffset();
+            var editedTimestamp = json["edited_timestamp"]?.Value<DateTime?>()?.ToDateTimeOffset();
             var content = json["content"].Value<string>();
             var type = (MessageType) json["type"].Value<int>();
 
@@ -201,8 +201,11 @@ namespace DiscordChatExporter.Core.Services
             // Get mentioned users
             var mentionedUsers = json["mentions"].EmptyIfNull().Select(ParseUser).ToArray();
 
+            // Get whether this message is pinned
+            var isPinned = json["pinned"].Value<bool>();
+
             return new Message(id, channelId, type, author, timestamp, editedTimestamp, content, attachments, embeds,
-                reactions, mentionedUsers);
+                reactions, mentionedUsers, isPinned);
         }
     }
 }

DiscordChatExporter.Core.Services/DataService.cs

@@ -4,11 +4,11 @@ using System.Linq;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Threading.Tasks;
-using DiscordChatExporter.Core.Exceptions;
 using DiscordChatExporter.Core.Models;
-using Newtonsoft.Json.Linq;
-using DiscordChatExporter.Core.Internal;
+using DiscordChatExporter.Core.Services.Exceptions;
+using DiscordChatExporter.Core.Services.Internal;
 using Failsafe;
+using Newtonsoft.Json.Linq;
 using Tyrrrz.Extensions;
 
 namespace DiscordChatExporter.Core.Services
@@ -40,13 +40,13 @@ namespace DiscordChatExporter.Core.Services
                         : new AuthenticationHeaderValue(token.Value);
 
                     // Add parameters
-                    foreach (var parameter in parameters.ExceptBlank())
+                    foreach (var parameter in parameters)
                     {
                         var key = parameter.SubstringUntil("=");
                         var value = parameter.SubstringAfter("=");
 
                         // Skip empty values
-                        if (value.IsBlank())
+                        if (value.IsNullOrWhiteSpace())
                             continue;
 
                         request.RequestUri = request.RequestUri.SetQueryParameter(key, value);
@@ -123,24 +123,24 @@ namespace DiscordChatExporter.Core.Services
         }
 
         public async Task<IReadOnlyList<Message>> GetChannelMessagesAsync(AuthToken token, string channelId,
-            DateTime? from = null, DateTime? to = null, IProgress<double> progress = null)
+            DateTimeOffset? after = null, DateTimeOffset? before = null, IProgress<double> progress = null)
         {
             var result = new List<Message>();
 
             // Get the last message
             var response = await GetApiResponseAsync(token, "channels", $"{channelId}/messages",
-                "limit=1", $"before={to?.ToSnowflake()}");
+                "limit=1", $"before={before?.ToSnowflake()}");
             var lastMessage = response.Select(ParseMessage).FirstOrDefault();
 
             // If the last message doesn't exist or it's outside of range - return
-            if (lastMessage == null || lastMessage.Timestamp < from)
+            if (lastMessage == null || lastMessage.Timestamp < after)
             {
                 progress?.Report(1);
                 return result;
             }
 
             // Get other messages
-            var offsetId = from?.ToSnowflake() ?? "0";
+            var offsetId = after?.ToSnowflake() ?? "0";
             while (true)
             {
                 // Get message batch
@@ -215,19 +215,19 @@ namespace DiscordChatExporter.Core.Services
         }
 
         public async Task<ChatLog> GetChatLogAsync(AuthToken token, Guild guild, Channel channel,
-            DateTime? from = null, DateTime? to = null, IProgress<double> progress = null)
+            DateTimeOffset? after = null, DateTimeOffset? before = null, IProgress<double> progress = null)
         {
             // Get messages
-            var messages = await GetChannelMessagesAsync(token, channel.Id, from, to, progress);
+            var messages = await GetChannelMessagesAsync(token, channel.Id, after, before, progress);
 
             // Get mentionables
             var mentionables = await GetMentionablesAsync(token, guild.Id, messages);
 
-            return new ChatLog(guild, channel, from, to, messages, mentionables);
+            return new ChatLog(guild, channel, after, before, messages, mentionables);
         }
 
         public async Task<ChatLog> GetChatLogAsync(AuthToken token, Channel channel,
-            DateTime? from = null, DateTime? to = null, IProgress<double> progress = null)
+            DateTimeOffset? after = null, DateTimeOffset? before = null, IProgress<double> progress = null)
         {
             // Get guild
             var guild = channel.GuildId == Guild.DirectMessages.Id
@@ -235,17 +235,17 @@ namespace DiscordChatExporter.Core.Services
                 : await GetGuildAsync(token, channel.GuildId);
 
             // Get the chat log
-            return await GetChatLogAsync(token, guild, channel, from, to, progress);
+            return await GetChatLogAsync(token, guild, channel, after, before, progress);
         }
 
         public async Task<ChatLog> GetChatLogAsync(AuthToken token, string channelId,
-            DateTime? from = null, DateTime? to = null, IProgress<double> progress = null)
+            DateTimeOffset? after = null, DateTimeOffset? before = null, IProgress<double> progress = null)
         {
             // Get channel
             var channel = await GetChannelAsync(token, channelId);
 
             // Get the chat log
-            return await GetChatLogAsync(token, channel, from, to, progress);
+            return await GetChatLogAsync(token, channel, after, before, progress);
         }
 
         public void Dispose()

DiscordChatExporter.Core.Services/DiscordChatExporter.Core.Services.csproj

@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net46;netstandard2.0</TargetFrameworks>
+    <LangVersion>latest</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Failsafe" Version="1.1.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
+    <PackageReference Include="Onova" Version="2.4.5" />
+    <PackageReference Include="Tyrrrz.Extensions" Version="1.6.2" />
+    <PackageReference Include="Tyrrrz.Settings" Version="1.3.4" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DiscordChatExporter.Core.Models\DiscordChatExporter.Core.Models.csproj" />
+    <ProjectReference Include="..\DiscordChatExporter.Core.Rendering\DiscordChatExporter.Core.Rendering.csproj" />
+  </ItemGroup>
+
+</Project>

DiscordChatExporter.Core.Services/Exceptions/HttpErrorStatusCodeException.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Net;
 
-namespace DiscordChatExporter.Core.Exceptions
+namespace DiscordChatExporter.Core.Services.Exceptions
 {
     public class HttpErrorStatusCodeException : Exception
     {

DiscordChatExporter.Core.Services/ExportService.cs

@@ -0,0 +1,89 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using DiscordChatExporter.Core.Models;
+using DiscordChatExporter.Core.Rendering;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Services
+{
+    public class ExportService
+    {
+        private readonly SettingsService _settingsService;
+
+        public ExportService(SettingsService settingsService)
+        {
+            _settingsService = settingsService;
+        }
+
+        private IChatLogRenderer CreateRenderer(ChatLog chatLog, ExportFormat format)
+        {
+            if (format == ExportFormat.PlainText)
+                return new PlainTextChatLogRenderer(chatLog, _settingsService.DateFormat);
+
+            if (format == ExportFormat.HtmlDark)
+                return new HtmlChatLogRenderer(chatLog, "Dark", _settingsService.DateFormat);
+
+            if (format == ExportFormat.HtmlLight)
+                return new HtmlChatLogRenderer(chatLog, "Light", _settingsService.DateFormat);
+
+            if (format == ExportFormat.Csv)
+                return new CsvChatLogRenderer(chatLog, _settingsService.DateFormat);
+
+            throw new ArgumentOutOfRangeException(nameof(format), $"Unknown format [{format}].");
+        }
+
+        private async Task ExportChatLogAsync(ChatLog chatLog, string filePath, ExportFormat format)
+        {
+            // Create output directory
+            var dirPath = Path.GetDirectoryName(filePath);
+            if (!dirPath.IsNullOrWhiteSpace())
+                Directory.CreateDirectory(dirPath);
+
+            // Render chat log to output file
+            using (var writer = File.CreateText(filePath))
+                await CreateRenderer(chatLog, format).RenderAsync(writer);
+        }
+
+        public async Task ExportChatLogAsync(ChatLog chatLog, string filePath, ExportFormat format, int? partitionLimit)
+        {
+            // If partitioning is disabled or there are fewer messages in chat log than the limit - process it without partitioning
+            if (partitionLimit == null || partitionLimit <= 0 || chatLog.Messages.Count <= partitionLimit)
+            {
+                await ExportChatLogAsync(chatLog, filePath, format);
+            }
+            // Otherwise split into partitions and export separately
+            else
+            {
+                // Create partitions by grouping up to X contiguous messages into separate chat logs
+                var partitions = chatLog.Messages.GroupContiguous(g => g.Count < partitionLimit.Value)
+                    .Select(g => new ChatLog(chatLog.Guild, chatLog.Channel, chatLog.After, chatLog.Before, g, chatLog.Mentionables))
+                    .ToArray();
+
+                // Split file path into components
+                var dirPath = Path.GetDirectoryName(filePath);
+                var fileNameWithoutExt = Path.GetFileNameWithoutExtension(filePath);
+                var fileExt = Path.GetExtension(filePath);
+
+                // Export each partition separately
+                var partitionNumber = 1;
+                foreach (var partition in partitions)
+                {
+                    // Compose new file name
+                    var partitionFilePath = $"{fileNameWithoutExt} [{partitionNumber} of {partitions.Length}]{fileExt}";
+
+                    // Compose full file path
+                    if (!dirPath.IsNullOrWhiteSpace())
+                        partitionFilePath = Path.Combine(dirPath, partitionFilePath);
+
+                    // Export
+                    await ExportChatLogAsync(partition, partitionFilePath, format);
+
+                    // Increment partition number
+                    partitionNumber++;
+                }
+            }
+        }
+    }
+}

DiscordChatExporter.Core.Services/Helpers/ExportHelper.cs

@@ -5,17 +5,17 @@ using System.Text;
 using DiscordChatExporter.Core.Models;
 using Tyrrrz.Extensions;
 
-namespace DiscordChatExporter.Core.Helpers
+namespace DiscordChatExporter.Core.Services.Helpers
 {
     public static class ExportHelper
     {
-        public static bool IsDirectoryPath(string path)
-            => path.Last() == Path.DirectorySeparatorChar ||
-               path.Last() == Path.AltDirectorySeparatorChar ||
-               Path.GetExtension(path).IsBlank();
+        public static bool IsDirectoryPath(string path) =>
+            path.Last() == Path.DirectorySeparatorChar ||
+            path.Last() == Path.AltDirectorySeparatorChar ||
+            (Path.GetExtension(path).IsNullOrWhiteSpace() && !File.Exists(path));
 
         public static string GetDefaultExportFileName(ExportFormat format, Guild guild, Channel channel,
-            DateTime? from = null, DateTime? to = null)
+            DateTimeOffset? after = null, DateTimeOffset? before = null)
         {
             var result = new StringBuilder();
 
@@ -23,24 +23,24 @@ namespace DiscordChatExporter.Core.Helpers
             result.Append($"{guild.Name} - {channel.Name} [{channel.Id}]");
 
             // Append date range
-            if (from != null || to != null)
+            if (after != null || before != null)
             {
                 result.Append(" (");
 
-                // Both 'from' and 'to' are set
-                if (from != null && to != null)
+                // Both 'after' and 'before' are set
+                if (after != null && before != null)
                 {
-                    result.Append($"{from:yyyy-MM-dd} to {to:yyyy-MM-dd}");
+                    result.Append($"{after:yyyy-MM-dd} to {before:yyyy-MM-dd}");
                 }
-                // Only 'from' is set
-                else if (from != null)
+                // Only 'after' is set
+                else if (after != null)
                 {
-                    result.Append($"after {from:yyyy-MM-dd}");
+                    result.Append($"after {after:yyyy-MM-dd}");
                 }
-                // Only 'to' is set
+                // Only 'before' is set
                 else
                 {
-                    result.Append($"before {to:yyyy-MM-dd}");
+                    result.Append($"before {before:yyyy-MM-dd}");
                 }
 
                 result.Append(")");

DiscordChatExporter.Core.Services/Internal/Extensions.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Drawing;
+
+namespace DiscordChatExporter.Core.Services.Internal
+{
+    internal static class Extensions
+    {
+        public static DateTimeOffset ToDateTimeOffset(this DateTime dateTime) => new DateTimeOffset(dateTime);
+
+        public static string ToSnowflake(this DateTimeOffset dateTime)
+        {
+            var value = ((ulong) dateTime.ToUnixTimeMilliseconds() - 1420070400000UL) << 22;
+            return value.ToString();
+        }
+
+        public static Color ResetAlpha(this Color color) => Color.FromArgb(1, color);
+    }
+}

DiscordChatExporter.Core/DiscordChatExporter.Core.csproj

@@ -1,36 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <TargetFramework>net461</TargetFramework>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <EmbeddedResource Include="Resources\ExportTemplates\PlainText\Template.txt" />
-        <EmbeddedResource Include="Resources\ExportTemplates\HtmlDark\Template.html" />
-        <EmbeddedResource Include="Resources\ExportTemplates\HtmlLight\Template.html" />
-        <EmbeddedResource Include="Resources\ExportTemplates\HtmlShared\Main.html" />
-        <EmbeddedResource Include="Resources\ExportTemplates\HtmlShared\Main.css" />
-        <EmbeddedResource Include="Resources\ExportTemplates\HtmlDark\Theme.css" />
-        <EmbeddedResource Include="Resources\ExportTemplates\HtmlLight\Theme.css" />
-        <EmbeddedResource Include="Resources\ExportTemplates\Csv\Template.csv" />
-    </ItemGroup>
-
-    <ItemGroup>
-        <Reference Include="mscorlib" />
-    </ItemGroup>
-
-    <ItemGroup>
-        <PackageReference Include="ByteSize" Version="1.3.0" />
-        <PackageReference Include="Failsafe" Version="1.1.0" />
-        <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
-        <PackageReference Include="Onova" Version="2.2.0" />
-        <PackageReference Include="Scriban" Version="1.2.9" />
-        <PackageReference Include="Tyrrrz.Extensions" Version="1.5.1" />
-        <PackageReference Include="Tyrrrz.Settings" Version="1.3.3" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <ProjectReference Include="..\DiscordChatExporter.Core.Markdown\DiscordChatExporter.Core.Markdown.csproj" />
-    </ItemGroup>
-
-</Project>