feat(moderation): added edit command

moderation/moderation.py

@@ -1108,6 +1108,52 @@ class Moderation(commands.Cog):
                 return
         await interaction.response.send_message(content=f"No case with case number `{case_number}` found.", ephemeral=True)
 
+    @app_commands.command(name="edit")
+    async def edit(self, interaction: discord.Interaction, case_number: int, reason: str):
+        """Edit the reason of a specific case.
+
+        Parameters
+        -----------
+        case_number: int
+            What case are you editing?
+        reason: str
+            What is the new reason?"""
+        permissions = self.check_permissions(interaction.client.user, ['embed_links'], interaction)
+        if permissions:
+            await interaction.response.send_message(f"I do not have the `{permissions}` permission, required for this action.", ephemeral=True)
+            return
+
+        if case_number != 0:
+            case = await self.fetch_case(case_number, interaction.guild.id)
+            if case:
+                conf = await self.check_conf(['mysql_database'])
+                if conf:
+                    raise(LookupError)
+
+                changes: list = json.loads(case['changes'])
+                if not changes:
+                    changes.append({'timestamp': case['timestamp'], 'reason': case['reason'], 'user_id': case['moderator_id']})
+                changes.append({'timestamp': int(time.time()), 'reason': reason, 'user_id': interaction.user.id})
+
+                database = await self.connect()
+                cursor = database.cursor()
+                db = await self.config.mysql_database()
+
+                update_query = f"UPDATE `{db}`.`moderation_{interaction.guild.id}` SET changes = %s, reason = %s WHERE moderation_id = %s"
+                cursor.execute(update_query, (changes, reason, case_number))
+                database.commit()
+
+                new_case = await self.fetch_case(case_number, interaction.guild.id)
+                embed = await self.embed_factory('case', interaction=interaction, case_dict=new_case)
+
+                await interaction.response.send_message(content=f"✅ Moderation #{case_number} edited!", embed=embed, ephemeral=True)
+                await self.log(interaction, case_number)
+
+                cursor.close()
+                database.close()
+                return
+        await interaction.response.send_message(content=f"No case with case number `{case_number}` found.", ephemeral=True)
+
     @tasks.loop(minutes=1)
     async def handle_expiry(self):
         conf = await self.check_conf(['mysql_database'])