feat(moderation): added discord channel logging for moderations

moderation/moderation.py

@@ -26,7 +26,8 @@ class Moderation(commands.Cog):
         )
         self.config.register_guild(
             ignore_other_bots = True,
-            dm_users = True
+            dm_users = True,
+            log_channel = " "
         )
         disable_dateutil()
         self.handle_expiry.start() # pylint: disable=no-member
@@ -208,6 +209,7 @@ class Moderation(commands.Cog):
         database.commit()
         database.close()
         self.logger.debug("MySQL row inserted into moderation_%s!\n%s, %s, %s, %s, %s, %s, %s, %s, 0, NULL, NULL, 0", guild_id, moderation_id, timestamp, moderation_type, target_id, author_id, duration, end_timestamp, reason)
+        return moderation_id
 
     async def get_next_case_number(self, guild_id: str, cursor = None):
         """This method returns the next case number from the MySQL table for a specific guild."""
@@ -251,12 +253,12 @@ class Moderation(commands.Cog):
             }
         return user_dict
 
-    async def embed_factory(self, embed_type: str, /,  interaction: discord.Interaction = None, case_dict: dict = None, guild: discord.Guild = None, reason: str = None, moderation_type: str = None, response: discord.InteractionMessage = None, duration: timedelta = None):
+    async def embed_factory(self, embed_type: str, /,  interaction: discord.Interaction = None, case_dict: dict = None, guild: discord.Guild = None, reason: str = None, moderation_type: str = None, response: discord.InteractionMessage = None, duration: timedelta = None, resolved: bool = False):
         """This method creates an embed from set parameters, meant for either moderation logging or contacting the moderated user.
 
         Valid arguments for 'embed_type':
         - 'message'
-        - 'list' - WIP
+        - 'log' - WIP
         - 'case'
 
         Required arguments for 'message':
@@ -266,6 +268,11 @@ class Moderation(commands.Cog):
         - response
         - duration (optional)
 
+        Required arguments for 'log':
+        - interaction
+        - case_dict
+        - resolved (optional)
+
         Required arguments for 'case':
         - interaction
         - case_dict"""
@@ -306,8 +313,62 @@ class Moderation(commands.Cog):
                 embed.add_field(name='Resolve Reason', value=f"Resolved by {resolved_name} ({resolved_user['id']}) for:\n```{case_dict['resolve_reason']}```", inline=False)
             return embed
 
+        if embed_type == 'log':
+            if resolved:
+                target_user = await self.fetch_user_dict(interaction, case_dict['target_id'])
+                moderator_user = await self.fetch_user_dict(interaction, case_dict['moderator_id'])
+                target_name = f"`{target_user['name']}`" if target_user['discriminator'] == "0" else f"`{target_user['name']}#{target_user['discriminator']}`"
+                moderator_name = moderator_user['name'] if moderator_user['discriminator'] == "0" else f"{moderator_user['name']}#{moderator_user['discriminator']}"
+                embed = discord.Embed(title=f"📕 Case #{case_dict['moderation_id']} Resolved", color=await self.bot.get_embed_color(None))
+                embed.description = f"**Type:** {str.title(case_dict['moderation_type'])}\n**Target:** {target_name} ({target_user['id']})\n**Moderator:** {moderator_name} ({moderator_user['id']})\n**Timestamp:** <t:{case_dict['timestamp']}> | <t:{case_dict['timestamp']}:R>"
+                if case_dict['duration'] != 'NULL':
+                    td = timedelta(**{unit: int(val) for unit, val in zip(["hours", "minutes", "seconds"], case_dict["duration"].split(":"))})
+                    duration_embed = f"{humanize.precisedelta(td)} | <t:{case_dict['end_timestamp']}:R>" if case_dict["expired"] == '0' else str(humanize.precisedelta(td))
+                    embed.description = embed.description + f"\n**Duration:** {duration_embed}\n**Expired:** {bool(case_dict['expired'])}"
+                embed.add_field(name='Reason', value=f"```{case_dict['reason']}```", inline=False)
+                resolved_user = await self.fetch_user_dict(interaction, case_dict['resolved_by'])
+                resolved_name = resolved_user['name'] if resolved_user['discriminator'] == "0" else f"{resolved_user['name']}#{resolved_user['discriminator']}"
+                embed.add_field(name='Resolve Reason', value=f"Resolved by {resolved_name} ({resolved_user['id']}) for:\n```{case_dict['resolve_reason']}```", inline=False)
+                return embed
+            else:
+                target_user = await self.fetch_user_dict(interaction, case_dict['target_id'])
+                moderator_user = await self.fetch_user_dict(interaction, case_dict['moderator_id'])
+                target_name = f"`{target_user['name']}`" if target_user['discriminator'] == "0" else f"`{target_user['name']}#{target_user['discriminator']}`"
+                moderator_name = moderator_user['name'] if moderator_user['discriminator'] == "0" else f"{moderator_user['name']}#{moderator_user['discriminator']}"
+                embed = discord.Embed(title=f"📕 Case #{case_dict['moderation_id']}", color=await self.bot.get_embed_color(None))
+                embed.description = f"**Type:** {str.title(case_dict['moderation_type'])}\n**Target:** {target_name} ({target_user['id']})\n**Moderator:** {moderator_name} ({moderator_user['id']})\n**Timestamp:** <t:{case_dict['timestamp']}> | <t:{case_dict['timestamp']}:R>"
+                if case_dict['duration'] != 'NULL':
+                    td = timedelta(**{unit: int(val) for unit, val in zip(["hours", "minutes", "seconds"], case_dict["duration"].split(":"))})
+                    embed.description = embed.description + f"\n**Duration:** {humanize.precisedelta(td)} | <t:{case_dict['end_timestamp']}:R>"
+                embed.add_field(name='Reason', value=f"```{case_dict['reason']}```", inline=False)
+                return embed
+
         raise(TypeError("'type' argument is invalid!"))
 
+    async def fetch_case(self, moderation_id: int, guild_id: str):
+        """This method fetches a case from the database and returns the case's dictionary."""
+        database = await self.connect()
+        cursor = database.cursor()
+        query = "SELECT * FROM moderation_%s WHERE moderation_id = %s;"
+        cursor.execute(query, (guild_id, moderation_id))
+        result = cursor.fetchone()
+        cursor.close()
+        database.close()
+        return self.generate_dict(result)
+
+    async def log(self, interaction: discord.Interaction, moderation_id: int, resolved: bool = False):
+        """This method sends a message to the guild's configured logging channel when an infraction takes place."""
+        logging_channel_id = await self.config.guild(interaction.guild.id).logging_channel()
+        if logging_channel_id != " ":
+            logging_channel = interaction.guild.get_channel(logging_channel_id)
+            case = await self.fetch_case(moderation_id, interaction.guild.id)
+            if case:
+                embed = await self.embed_factory('log', interaction=interaction, case_dict=case, resolved=resolved)
+                try:
+                    await logging_channel.send(embed=embed)
+                except discord.errors.Forbidden:
+                    return
+
     @app_commands.command(name="note")
     async def note(self, interaction: discord.Interaction, target: discord.User, reason: str, silent: bool = None):
         """Add a note to a user.
@@ -337,7 +398,8 @@ class Moderation(commands.Cog):
                 await target.send(embed=embed)
             except discord.errors.HTTPException:
                 pass
-        await self.mysql_log(interaction.guild.id, interaction.user.id, 'NOTE', target.id, 'NULL', reason)
+        moderation_id = await self.mysql_log(interaction.guild.id, interaction.user.id, 'NOTE', target.id, 'NULL', reason)
+        await self.log(interaction, moderation_id)
 
     @app_commands.command(name="warn")
     async def warn(self, interaction: discord.Interaction, target: discord.Member, reason: str, silent: bool = None):
@@ -368,7 +430,8 @@ class Moderation(commands.Cog):
                 await target.send(embed=embed)
             except discord.errors.HTTPException:
                 pass
-        await self.mysql_log(interaction.guild.id, interaction.user.id, 'WARN', target.id, 'NULL', reason)
+        moderation_id = await self.mysql_log(interaction.guild.id, interaction.user.id, 'WARN', target.id, 'NULL', reason)
+        await self.log(interaction, moderation_id)
 
     @app_commands.command(name="mute")
     async def mute(self, interaction: discord.Interaction, target: discord.Member, duration: str, reason: str, silent: bool = None):
@@ -417,7 +480,8 @@ class Moderation(commands.Cog):
                 await target.send(embed=embed)
             except discord.errors.HTTPException:
                 pass
-        await self.mysql_log(interaction.guild.id, interaction.user.id, 'MUTE', target.id, parsed_time, reason)
+        moderation_id = await self.mysql_log(interaction.guild.id, interaction.user.id, 'MUTE', target.id, parsed_time, reason)
+        await self.log(interaction, moderation_id)
 
     @app_commands.command(name="unmute")
     async def unmute(self, interaction: discord.Interaction, target: discord.Member, reason: str = None, silent: bool = None):
@@ -460,7 +524,8 @@ class Moderation(commands.Cog):
                 await target.send(embed=embed)
             except discord.errors.HTTPException:
                 pass
-        await self.mysql_log(interaction.guild.id, interaction.user.id, 'UNMUTE', target.id, 'NULL', reason)
+        moderation_id = await self.mysql_log(interaction.guild.id, interaction.user.id, 'UNMUTE', target.id, 'NULL', reason)
+        await self.log(interaction, moderation_id)
 
     @app_commands.command(name="kick")
     async def kick(self, interaction: discord.Interaction, target: discord.Member, reason: str, silent: bool = None):
@@ -496,7 +561,8 @@ class Moderation(commands.Cog):
             except discord.errors.HTTPException:
                 pass
         await target.kick(f"Kicked by {interaction.user.id} for: {reason}")
-        await self.mysql_log(interaction.guild.id, interaction.user.id, 'KICK', target.id, 'NULL', reason)
+        moderation_id = await self.mysql_log(interaction.guild.id, interaction.user.id, 'KICK', target.id, 'NULL', reason)
+        await self.log(interaction, moderation_id)
 
     @app_commands.command(name="ban")
     @app_commands.choices(delete_messages=[
@@ -565,7 +631,8 @@ class Moderation(commands.Cog):
                 except discord.errors.HTTPException:
                     pass
             await interaction.guild.ban(target, reason=f"Banned by {interaction.user.id} for: {reason}", delete_message_seconds=delete_messages)
-            await self.mysql_log(interaction.guild.id, interaction.user.id, 'BAN', target.id, 'NULL', reason)
+            moderation_id = await self.mysql_log(interaction.guild.id, interaction.user.id, 'BAN', target.id, 'NULL', reason)
+            await self.log(interaction, moderation_id)
 
     @app_commands.command(name="unban")
     async def unban(self, interaction: discord.Interaction, target: discord.User, reason: str = None, silent: bool = None):
@@ -610,7 +677,8 @@ class Moderation(commands.Cog):
                 await target.send(embed=embed)
             except discord.errors.HTTPException:
                 pass
-        await self.mysql_log(interaction.guild.id, interaction.user.id, 'UNBAN', target.id, 'NULL', reason)
+        moderation_id = await self.mysql_log(interaction.guild.id, interaction.user.id, 'UNBAN', target.id, 'NULL', reason)
+        await self.log(interaction, moderation_id)
 
     @app_commands.command(name="history")
     async def history(self, interaction: discord.Interaction, target: discord.User = None, moderator: discord.User = None, pagesize: app_commands.Range[int, 1, 25] = 5, page: int = 1, epheremal: bool = False):
@@ -745,6 +813,7 @@ class Moderation(commands.Cog):
         case_dict = self.generate_dict(result)
         embed = await self.embed_factory('case', interaction=interaction, case_dict=case_dict)
         await interaction.response.send_message(content=f"✅ Moderation #{case_number} resolved!", embed=embed)
+        await self.log(interaction, case_number, True)
         cursor.close()
         database.close()
 
@@ -762,19 +831,13 @@ class Moderation(commands.Cog):
         if permissions:
             await interaction.response.send_message(f"I do not have the `{permissions}` permission, required for this action.", ephemeral=True)
             return
-        database = await self.connect()
-        cursor = database.cursor()
-        query = "SELECT * FROM moderation_%s WHERE moderation_id = %s;"
-        cursor.execute(query, (interaction.guild.id, case_number))
-        result = cursor.fetchone()
-        cursor.close()
-        database.close()
-        if result and case_number != 0:
-            case = self.generate_dict(result)
-            embed = await self.embed_factory('case', interaction=interaction, case_dict=case)
-            await interaction.response.send_message(embed=embed, ephemeral=ephemeral)
-        else:
-            await interaction.response.send_message(content=f"No case with case number `{case_number}` found.", ephemeral=True)
+        if case_number != 0:
+            case = await self.fetch_case(case_number, interaction.guild.id)
+            if case:
+                embed = await self.embed_factory('case', interaction=interaction, case_dict=case)
+                await interaction.response.send_message(embed=embed, ephemeral=ephemeral)
+                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):
@@ -830,6 +893,17 @@ class Moderation(commands.Cog):
         await self.config.guild(ctx.guild).dm_users.set(not await self.config.guild(ctx.guild).dm_users())
         await ctx.send(f"DM users setting set to {await self.config.guild(ctx.guild).dm_users()}")
 
+    @moderationset.command(name="logchannel")
+    @checks.admin()
+    async def moderationset_logchannel(self, ctx: commands.Context, channel: discord.TextChannel = None):
+        """Set a channel to log infractions to."""
+        if channel:
+            await self.config.guild(ctx.guild).log_channel.set(channel.id)
+            await ctx.send(f"Logging channel set to {channel.mention}.")
+        else:
+            await self.config.guild(ctx.guild).log_channel.set(" ")
+            await ctx.send(f"Logging channel disabled.")
+
     @moderationset.command(name="mysql")
     @checks.is_owner()
     async def moderationset_mysql(self, ctx: commands.Context):