feat: Add support for exporting message reactions

Whatsapp_Chat_Exporter/android_handler.py

@@ -98,6 +98,7 @@ def messages(db, data, media_folder, timezone_offset, filter_date, filter_chat,
         # Fetch the next row safely
         content = _fetch_row_safely(content_cursor)
 
+    _get_reactions(db, data)
     logger.info(f"Processed {total_row_number} messages{CLEAR_LINE}")
 
 
@@ -480,6 +481,71 @@ def _format_message_text(text):
     return text
 
 
+def _get_reactions(db, data):
+    """
+    Process message reactions.
+    """
+    logger.info("Processing reactions...")
+    c = db.cursor()
+    
+    try:
+        # Check if tables exist
+        c.execute("SELECT count(*) FROM sqlite_master WHERE type='table' AND name='message_add_on'")
+        if c.fetchone()[0] == 0:
+            return
+
+        c.execute("""
+            SELECT
+                message_add_on.parent_message_row_id,
+                message_add_on_reaction.reaction,
+                message_add_on.from_me,
+                jid.raw_string as sender_jid_raw,
+                chat_jid.raw_string as chat_jid_raw
+            FROM message_add_on
+            INNER JOIN message_add_on_reaction 
+                ON message_add_on._id = message_add_on_reaction.message_add_on_row_id
+            LEFT JOIN jid 
+                ON message_add_on.sender_jid_row_id = jid._id
+            LEFT JOIN chat 
+                ON message_add_on.chat_row_id = chat._id
+            LEFT JOIN jid chat_jid 
+                ON chat.jid_row_id = chat_jid._id
+        """)
+    except sqlite3.OperationalError:
+        logger.warning("Could not fetch reactions (schema might be too old or incompatible).")
+        return
+
+    row = c.fetchone()
+    while row is not None:
+        parent_id = row["parent_message_row_id"]
+        reaction = row["reaction"]
+        chat_id = row["chat_jid_raw"]
+        
+        if chat_id and chat_id in data:
+            chat = data[chat_id]
+            if parent_id in chat._messages:
+                message = chat._messages[parent_id]
+                
+                # Determine sender name
+                sender_name = None
+                if row["from_me"]:
+                    sender_name = "You"
+                elif row["sender_jid_raw"]:
+                    sender_jid = row["sender_jid_raw"]
+                    if sender_jid in data:
+                         sender_name = data[sender_jid].name
+                    if not sender_name:
+                         sender_name = sender_jid.split('@')[0] if "@" in sender_jid else sender_jid
+                
+                if not sender_name:
+                    sender_name = "Unknown"
+
+                message.reactions[sender_name] = reaction
+
+        row = c.fetchone()
+    logger.info(f"Reactions processed.{CLEAR_LINE}")
+
+
 def media(db, data, media_folder, filter_date, filter_chat, filter_empty, separate_media=True):
     """
     Process WhatsApp media files from the database.