Split Game object to separate Activity subtypes for Rich Presences.

This is a massive breaking change.

* All references to "game" have been renamed to "activity"
* Activity objects contain a majority of the rich presence information
* Game and Streaming are subtypes for memory optimisation purposes for
  the more common cases.
* Introduce a more specialised read-only type, Spotify, for the
  official Spotify integration to make it easier to use.

1 files changed, 24 insertions, 1 deletions

diff --git a/discord/message.py b/discord/message.py
index aef1cb1a..68842a11 100644
--- a/discord/message.py
+++ b/discord/message.py
@@ -175,6 +175,24 @@ class Message:
         Specifies if the message is currently pinned.
     reactions : List[:class:`Reaction`]
         Reactions to a message. Reactions can be either custom emoji or standard unicode emoji.
+    activity: Optional[:class:`dict`]
+        The activity associated with this message. Sent with Rich-Presence related messages that for
+        example, request joining, spectating, or listening to or with another member.
+
+        It is a dictionary with the following optional keys:
+
+        - ``type``: An integer denoting the type of message activity being requested.
+        - ``party_id``: The party ID associated with the party.
+    application: Optional[:class:`dict`]
+        The rich presence enabled application associated with this message.
+
+        It is a dictionary with the following keys:
+
+        - ``id``: A string representing the application's ID.
+        - ``name``: A string representing the application's name.
+        - ``description``: A string representing the application's description.
+        - ``icon``: A string representing the icon ID of the application.
+        - ``cover_image``: A string representing the embed's image asset ID.
     """
 
     __slots__ = ( '_edited_timestamp', 'tts', 'content', 'channel', 'webhook_id',
@@ -182,13 +200,16 @@ class Message:
                   '_cs_channel_mentions', '_cs_raw_mentions', 'attachments',
                   '_cs_clean_content', '_cs_raw_channel_mentions', 'nonce', 'pinned',
                   'role_mentions', '_cs_raw_role_mentions', 'type', 'call',
-                  '_cs_system_content', '_cs_guild', '_state', 'reactions' )
+                  '_cs_system_content', '_cs_guild', '_state', 'reactions',
+                  'application', 'activity' )
 
     def __init__(self, *, state, channel, data):
         self._state = state
         self.id = int(data['id'])
         self.webhook_id = utils._get_as_snowflake(data, 'webhook_id')
         self.reactions = [Reaction(message=self, data=d) for d in data.get('reactions', [])]
+        self.application = data.get('application')
+        self.activity = data.get('activity')
         self._update(channel, data)
 
     def __repr__(self):
@@ -242,6 +263,8 @@ class Message:
         self.channel = channel
         self._edited_timestamp = utils.parse_time(data.get('edited_timestamp'))
         self._try_patch(data, 'pinned')
+        self._try_patch(data, 'application')
+        self._try_patch(data, 'activity')
         self._try_patch(data, 'mention_everyone')
         self._try_patch(data, 'tts')
         self._try_patch(data, 'type', lambda x: try_enum(MessageType, x))