Add command line interface and change solution structure (#26)

DiscordChatExporter.Core/Models/Attachment.cs

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+namespace DiscordChatExporter.Core.Models
+{
+    public class Attachment
+    {
+        public string Id { get; }
+
+        public AttachmentType Type { get; }
+
+        public string Url { get; }
+
+        public string FileName { get; }
+
+        public long FileSize { get; }
+
+        public Attachment(string id, AttachmentType type, string url, string fileName, long fileSize)
+        {
+            Id = id;
+            Type = type;
+            Url = url;
+            FileName = fileName;
+            FileSize = fileSize;
+        }
+    }
+}

DiscordChatExporter.Core/Models/AttachmentType.cs

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+namespace DiscordChatExporter.Core.Models
+{
+    public enum AttachmentType
+    {
+        Other,
+        Image
+    }
+}

DiscordChatExporter.Core/Models/Channel.cs

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+namespace DiscordChatExporter.Core.Models
+{
+    public partial class Channel
+    {
+        public string Id { get; }
+
+        public string GuildId { get; }
+
+        public string Name { get; }
+
+        public string Topic { get; }
+
+        public ChannelType Type { get; }
+
+        public Channel(string id, string guildId, string name, string topic, ChannelType type)
+        {
+            Id = id;
+            GuildId = guildId;
+            Name = name;
+            Topic = topic;
+            Type = type;
+        }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
+
+    public partial class Channel
+    {
+        public static Channel CreateDeletedChannel(string id)
+        {
+            return new Channel(id, null, "deleted-channel", null, ChannelType.GuildTextChat);
+        }
+    }
+}

DiscordChatExporter.Core/Models/ChannelChatLog.cs

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+using System.Collections.Generic;
+
+namespace DiscordChatExporter.Core.Models
+{
+    public class ChannelChatLog
+    {
+        public Guild Guild { get; }
+
+        public Channel Channel { get; }
+
+        public IReadOnlyList<MessageGroup> MessageGroups { get; }
+
+        public int TotalMessageCount { get; }
+
+        public ChannelChatLog(Guild guild, Channel channel, IReadOnlyList<MessageGroup> messageGroups,
+            int totalMessageCount)
+        {
+            Guild = guild;
+            Channel = channel;
+            MessageGroups = messageGroups;
+            TotalMessageCount = totalMessageCount;
+        }
+    }
+}

DiscordChatExporter.Core/Models/ChannelType.cs

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+namespace DiscordChatExporter.Core.Models
+{
+    public enum ChannelType
+    {
+        GuildTextChat,
+        DirectTextChat,
+        GuildVoiceChat,
+        DirectGroupTextChat,
+        Category
+    }
+}

DiscordChatExporter.Core/Models/ExportFormat.cs

@@ -0,0 +1,9 @@
+namespace DiscordChatExporter.Core.Models
+{
+    public enum ExportFormat
+    {
+        PlainText,
+        HtmlDark,
+        HtmlLight
+    }
+}

DiscordChatExporter.Core/Models/Extensions.cs

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+using System;
+
+namespace DiscordChatExporter.Core.Models
+{
+    public static class Extensions
+    {
+        public static string GetFileExtension(this ExportFormat format)
+        {
+            if (format == ExportFormat.PlainText)
+                return "txt";
+            if (format == ExportFormat.HtmlDark)
+                return "html";
+            if (format == ExportFormat.HtmlLight)
+                return "html";
+
+            throw new ArgumentOutOfRangeException(nameof(format));
+        }
+
+        public static string GetDisplayName(this ExportFormat format)
+        {
+            if (format == ExportFormat.PlainText)
+                return "Plain Text";
+            if (format == ExportFormat.HtmlDark)
+                return "HTML (Dark)";
+            if (format == ExportFormat.HtmlLight)
+                return "HTML (Light)";
+
+            throw new ArgumentOutOfRangeException(nameof(format));
+        }
+    }
+}

DiscordChatExporter.Core/Models/Guild.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Models
+{
+    public partial class Guild
+    {
+        public string Id { get; }
+
+        public string Name { get; }
+
+        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 IReadOnlyList<Role> Roles { get; }
+
+        public Guild(string id, string name, string iconHash, IReadOnlyList<Role> roles)
+        {
+            Id = id;
+            Name = name;
+            IconHash = iconHash;
+            Roles = roles;
+        }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
+
+    public partial class Guild
+    {
+        public static Guild DirectMessages { get; } = new Guild("@me", "Direct Messages", null, new Role[0]);
+    }
+}

DiscordChatExporter.Core/Models/Message.cs

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+using System;
+using System.Collections.Generic;
+
+namespace DiscordChatExporter.Core.Models
+{
+    public class Message
+    {
+        public string Id { get; }
+
+        public string ChannelId { get; }
+
+        public MessageType Type { get; }
+
+        public User Author { get; }
+
+        public DateTime TimeStamp { get; }
+
+        public DateTime? EditedTimeStamp { get; }
+
+        public string Content { get; }
+
+        public IReadOnlyList<Attachment> Attachments { get; }
+
+        public IReadOnlyList<User> MentionedUsers { get; }
+
+        public IReadOnlyList<Role> MentionedRoles { get; }
+
+        public IReadOnlyList<Channel> MentionedChannels { get; }
+
+        public Message(string id, string channelId, MessageType type,
+            User author, DateTime timeStamp,
+            DateTime? editedTimeStamp, string content,
+            IReadOnlyList<Attachment> attachments, IReadOnlyList<User> mentionedUsers,
+            IReadOnlyList<Role> mentionedRoles, IReadOnlyList<Channel> mentionedChannels)
+        {
+            Id = id;
+            ChannelId = channelId;
+            Type = type;
+            Author = author;
+            TimeStamp = timeStamp;
+            EditedTimeStamp = editedTimeStamp;
+            Content = content;
+            Attachments = attachments;
+            MentionedUsers = mentionedUsers;
+            MentionedRoles = mentionedRoles;
+            MentionedChannels = mentionedChannels;
+        }
+
+        public override string ToString()
+        {
+            return Content;
+        }
+    }
+}

DiscordChatExporter.Core/Models/MessageGroup.cs

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+using System;
+using System.Collections.Generic;
+
+namespace DiscordChatExporter.Core.Models
+{
+    public class MessageGroup
+    {
+        public User Author { get; }
+
+        public DateTime TimeStamp { get; }
+
+        public IReadOnlyList<Message> Messages { get; }
+
+        public MessageGroup(User author, DateTime timeStamp, IReadOnlyList<Message> messages)
+        {
+            Author = author;
+            TimeStamp = timeStamp;
+            Messages = messages;
+        }
+    }
+}

DiscordChatExporter.Core/Models/MessageType.cs

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+namespace DiscordChatExporter.Core.Models
+{
+    public enum MessageType
+    {
+        Default,
+        RecipientAdd,
+        RecipientRemove,
+        Call,
+        ChannelNameChange,
+        ChannelIconChange,
+        ChannelPinnedMessage,
+        GuildMemberJoin
+    }
+}

DiscordChatExporter.Core/Models/Role.cs

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+namespace DiscordChatExporter.Core.Models
+{
+    public partial class Role
+    {
+        public string Id { get; }
+
+        public string Name { get; }
+
+        public Role(string id, string name)
+        {
+            Id = id;
+            Name = name;
+        }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+    }
+
+    public partial class Role
+    {
+        public static Role CreateDeletedRole(string id)
+        {
+            return new Role(id, "deleted-role");
+        }
+    }
+}

DiscordChatExporter.Core/Models/User.cs

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+using Tyrrrz.Extensions;
+
+namespace DiscordChatExporter.Core.Models
+{
+    public class User
+    {
+        public string Id { get; }
+
+        public int Discriminator { get; }
+
+        public string Name { get; }
+
+        public string FullyQualifiedName => $"{Name}#{Discriminator:0000}";
+
+        public string AvatarHash { get; }
+
+        public string AvatarUrl => AvatarHash.IsNotBlank()
+            ? $"https://cdn.discordapp.com/avatars/{Id}/{AvatarHash}.png"
+            : $"https://cdn.discordapp.com/embed/avatars/{Discriminator % 5}.png";
+
+        public User(string id, int discriminator, string name, string avatarHash)
+        {
+            Id = id;
+            Discriminator = discriminator;
+            Name = name;
+            AvatarHash = avatarHash;
+        }
+
+        public override string ToString()
+        {
+            return FullyQualifiedName;
+        }
+    }
+}