feat(moderation): added support for data deletion requests

moderation/moderation.py

@@ -23,6 +23,34 @@ class Moderation(commands.Cog):
     """Custom moderation cog.
     Developed by SeaswimmerTheFsh."""
 
+    async def red_delete_data_for_user(self, *, requester, user_id: int):
+        if requester == "discord_deleted_user":
+            await self.config.user_from_id(user_id).clear()
+
+            database = await self.connect()
+            cursor = database.cursor()
+
+            cursor.execute("SHOW TABLES;")
+            tables = [table[0] for table in cursor.fetchall()]
+
+            condition = "target_id = %s OR moderator_id = %s;"
+
+            for table in tables:
+                delete_query = f"DELETE FROM {table[0]} WHERE {condition}"
+                cursor.execute(delete_query, (user_id, user_id))
+
+            database.commit()
+            cursor.close()
+            database.close()
+        if requester == "owner":
+            await self.config.user_from_id(user_id).clear()
+        if requester == "user":
+            await self.config.user_from_id(user_id).clear()
+        if requester == "user_strict":
+            await self.config.user_from_id(user_id).clear()
+        else:
+            self.logger.warning("Invalid requester passed to red_delete_data_for_user: %s", requester)
+
     def __init__(self, bot):
         self.bot = bot
         self.config = Config.get_conf(self, identifier=481923957134912)