Merge branch 'delete_emoji' into 'master'

Add emoji deletion functionality, fixes #4

Closes #4

See merge request ldooks/dragon-bot!7

app/dragon-bot.py

@@ -188,9 +188,25 @@ async def on_message(message):
         if not role_check.is_admin(message.author.roles):
             await client.send_message(
                 message.channel,
-                "You dont have permission to create emojis"
+                "You dont have permission to manage emojis"
             )
             return
+        
+        if message.content.split()[1] == 'del':
+            name = message.content.split()[2]
+            emotes = [x for x in client.get_all_emojis() if x.name == name]
+            emote_length = len(emotes)
+            if not emotes:
+                return await client.send_message(
+                    message.channel,
+                    "No emotes with that name could be found on this server."
+                )
+            for emote in emotes:
+                await client.delete_custom_emoji(emote)
+                return await client.send_message(
+                    message.channel,
+                    "Successfully deleted"
+                )
 
         emoji_staging = '/tmp/emoji'