Smarter handling of bans list message

jarvis/cogs/admin.py

@@ -300,25 +300,33 @@ class AdminCog(commands.Cog):
         bans = self.db.jarvis.bans.find(search).sort(
             [("time", pymongo.DESCENDING)]
         )
-        message = "Bans:\n```\n"
+        ban_messages = []
         db_bans = []
         for ban in bans:
             if "username" not in ban:
                 user = await self.bot.fetch_user(ban["user"])
                 ban["username"] = user.name if user else "[deleted user]"
-            message += "[{0}] {1} ({2}): {3}\n".format(
+            ban_messages.append(
-                ban["time"].strftime("%d-%m-%Y"),
+                "[{0}] {1} ({2}): {3}\n".format(
-                ban["username"],
+                    ban["time"].strftime("%d-%m-%Y"),
-                ban["user"],
+                    ban["username"],
-                ban["reason"],
+                    ban["user"],
+                    ban["reason"],
+                )
             )
         bans = await ctx.guild.bans()
         for ban in bans:
             if ban.user.id not in db_bans:
-                message += "[unknown] {0} ({1}): {2}".format(
+                ban_messages.append(
-                    ban.user.name, ban.user.id, ban.reason
+                    "[unknown] {0} ({1}): {2}".format(
+                        ban.user.name, ban.user.id, ban.reason
+                    )
                 )
-        message += "```"
+        message = ""
+        if len(ban_messages) == 0:
+            message = "No bans matched the criteria."
+        else:
+            message = "Bans:\n```\n" + "\n".join(ban_messages) + "\n```"
         await ctx.send(message)
 
     @cog_ext.cog_slash(