channel.messages: update edited_at properly

- storage: give str guild_id on message objects

litecord/blueprints/channel/messages.py

@@ -269,9 +269,18 @@ async def edit_message(channel_id, message_id):
 
     # TODO: update embed
 
+    # only set new timestamp upon actual update
+    if updated:
+        await app.db.execute("""
+        UPDATE messages
+        SET edited_at = (now() at time zone 'utc')
+        WHERE id = $1
+        """, message_id)
+
     message = await app.storage.get_message(message_id, user_id)
 
-    # only dispatch MESSAGE_UPDATE if we actually had any update to start with
+    # only dispatch MESSAGE_UPDATE if any update
+    # actually happened
     if updated:
         await app.dispatcher.dispatch('channel', channel_id,
                                       'MESSAGE_UPDATE', message)

litecord/storage.py

@@ -700,7 +700,7 @@ class Storage:
         # only insert when the channel
         # is actually from a guild.
         if guild_id:
-            res['guild_id'] = guild_id
+            res['guild_id'] = str(guild_id)
 
         return res