Implement discord.MessageFlags

Refactor flags placement and use it for suppression.

discord/message.py

@@ -38,6 +38,7 @@ from .enums import MessageType, try_enum
 from .errors import InvalidArgument, ClientException, HTTPException
 from .embeds import Embed
 from .member import Member
+from .flags import MessageFlags
 
 class Attachment:
     """Represents an attachment from Discord.
@@ -237,6 +238,8 @@ class Message:
         A list of attachments given to a message.
     pinned: :class:`bool`
         Specifies if the message is currently pinned.
+    flags: :class:`MessageFlags`
+        Extra features of the message.
     reactions : List[:class:`Reaction`]
         Reactions to a message. Reactions can be either custom emoji or standard unicode emoji.
     activity: Optional[:class:`dict`]
@@ -263,7 +266,7 @@ class Message:
                  'mention_everyone', 'embeds', 'id', 'mentions', 'author',
                  '_cs_channel_mentions', '_cs_raw_mentions', 'attachments',
                  '_cs_clean_content', '_cs_raw_channel_mentions', 'nonce', 'pinned',
-                 'role_mentions', '_cs_raw_role_mentions', 'type', 'call',
+                 'role_mentions', '_cs_raw_role_mentions', 'type', 'call', 'flags',
                  '_cs_system_content', '_cs_guild', '_state', 'reactions',
                  'application', 'activity')
 
@@ -280,19 +283,20 @@ class Message:
         self._edited_timestamp = utils.parse_time(data['edited_timestamp'])
         self.type = try_enum(MessageType, data['type'])
         self.pinned = data['pinned']
+        self.flags = MessageFlags._from_value(data.get('flags', 0))
         self.mention_everyone = data['mention_everyone']
         self.tts = data['tts']
         self.content = data['content']
         self.nonce = data.get('nonce')
 
-        for handler in ('author', 'member', 'mentions', 'mention_roles', 'call'):
+        for handler in ('author', 'member', 'mentions', 'mention_roles', 'call', 'flags'):
             try:
                 getattr(self, '_handle_%s' % handler)(data[handler])
             except KeyError:
                 continue
 
     def __repr__(self):
-        return '<Message id={0.id} channel={0.channel!r} type={0.type!r} author={0.author!r}>'.format(self)
+        return '<Message id={0.id} channel={0.channel!r} type={0.type!r} author={0.author!r} flags={0.flags!r}>'.format(self)
 
     def _try_patch(self, data, key, transform=None):
         try:
@@ -361,6 +365,9 @@ class Message:
     def _handle_pinned(self, value):
         self.pinned = value
 
+    def _handle_flags(self, value):
+        self.flags = MessageFlags._from_value(value)
+
     def _handle_application(self, value):
         self.application = value
 
@@ -772,7 +779,9 @@ class Message:
         except KeyError:
             pass
         else:
-            await self._state.http.suppress_message_embeds(self.channel.id, self.id, suppress=suppress)
+             flags = MessageFlags._from_value(self.flags.value)
+             flags.suppress_embeds = suppress
+             fields['flags'] = flags.value
 
         delete_after = fields.pop('delete_after', None)
 
@@ -783,6 +792,27 @@ class Message:
         if delete_after is not None:
             await self.delete(delay=delete_after)
 
+    async def publish(self):
+        """|coro|
+
+        Publishes this message to your announcement channel.
+
+        You must have the :attr:`~Permissions.manage_messages` permission to use this.
+
+        .. note::
+
+            This can only be used by non-bot accounts.
+
+        Raises
+        -------
+        Forbidden
+            You do not have the proper permissions to publish this message.
+        HTTPException
+            Publishing the message failed.
+        """
+
+        await self._state.http.publish_message(self.channel.id, self.id)
+
     async def pin(self):
         """|coro|