Added a help message and a disable command

Author: kyb3r

bot.py

@@ -132,6 +132,22 @@ def overwrites(self, ctx):
 
         return overwrites
 
+    def help_embed(self):
+        em = discord.Embed(color=0x00FFFF)
+        em.set_author(name='Mod Mail - Help', icon_url=self.user.avatar_url)
+        em.description = 'This bot is a python implementation of a stateless "Mod Mail" bot. ' \
+                         'Made by verixx and improved by the suggestions of others. This bot saves no data and utilises channel topics for storage and syncing.'
+        cmds = '`m.setup [modrole] <- (optional)` - Command that sets up the bot.\n' \
+               '`m.reply <message...>` - Sends a message to the current thread\'s recipient.\n' \
+               '`m.close` - Closes the current thread and deletes the channel.\n' \
+               '`m.disable` - Closes all threads and disables modmail for the server.'
+
+        warn = 'Do not manually delete the category or channels as it will break the system. Modifying the channel topic will also break the system.'
+        em.add_field(name='Commands', value=cmds)
+        em.add_field(name='Warning', value=warn)
+
+        return em
+
     @commands.command()
     @commands.has_permissions(administrator=True)
     async def setup(self, ctx):
@@ -141,8 +157,29 @@ async def setup(self, ctx):
 
         categ = await ctx.guild.create_category(name='modmail', overwrites=self.overwrites(ctx))
         await categ.edit(position=0)
+        c = await ctx.guild.create_text_channel(name='information', category=categ)
+        await c.send(embed=self.help_embed())
         await ctx.send('Successfully set up server.')
 
+    @commands.command()
+    @commands.has_permissions(administrator=True)
+    async def disable(self, ctx):
+        '''Close all threads and disable modmail.'''
+        categ = discord.utils.get(ctx.guild.categories, name='modmail')
+        if not categ:
+            return await ctx.send('This server is not set up.')
+        for category, channels in ctx.guild.by_category():
+            if category == categ:
+                for chan in channels:
+                    if 'User ID:' in str(chan.topic):
+                        user_id = int(chan.topic.split(': ')[1])
+                        user = self.get_user(user_id)
+                        await user.send('A moderator has closed this modmail session.')
+                    await chan.delete()
+        await categ.delete()
+        await ctx.send('Disabled modmail.')
+
+
     @commands.command(name='close')
     @commands.has_permissions(manage_guild=True)
     async def _close(self, ctx):