1 files changed, 86 insertions, 0 deletions
diff --git a/discord/message_reference.py b/discord/message_reference.py
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+++ b/discord/message_reference.py
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+# -*- coding: utf-8 -*-
+
+"""
+The MIT License (MIT)
+
+Copyright (c) 2015-2020 Rapptz
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+"""
+
+from . import utils
+
+class _MessageType:
+    __slots__ = ()
+
+class MessageReference(_MessageType):
+    """Represents a reference to a :class:`~discord.Message`.
+
+    .. versionadded:: 1.5
+
+    Attributes
+    -----------
+    message_id: Optional[:class:`int`]
+        The id of the message referenced.
+    channel_id: :class:`int`
+        The channel id of the message referenced.
+    guild_id: Optional[:class:`int`]
+        The guild id of the message referenced.
+    """
+
+    __slots__ = ('message_id', 'channel_id', 'guild_id', '_state')
+
+    def __init__(self, state, **kwargs):
+        self.message_id = utils._get_as_snowflake(kwargs, 'message_id')
+        self.channel_id = int(kwargs.pop('channel_id'))
+        self.guild_id = utils._get_as_snowflake(kwargs, 'guild_id')
+        self._state = state
+
+    @classmethod
+    def from_message(cls, message):
+        """Creates a :class:`MessageReference` from an existing :class:`~discord.Message`.
+
+        .. versionadded:: 1.6
+
+        Parameters
+        ----------
+        message: :class:`~discord.Message`
+            The message to be converted into a reference.
+
+        Returns
+        -------
+        :class:`MessageReference`
+            A reference to the message.
+        """
+        return cls(message._state, message_id=message.id, channel_id=message.channel.id, guild_id=getattr(message.guild, 'id', None))
+
+    @property
+    def cached_message(self):
+        """Optional[:class:`~discord.Message`]: The cached message, if found in the internal message cache."""
+        return self._state._get_message(self.message_id)
+
+    def __repr__(self):
+        return '<MessageReference message_id={0.message_id!r} channel_id={0.channel_id!r} guild_id={0.guild_id!r}>'.format(self)
+
+    def to_dict(self):
+        result = {'message_id': self.message_id} if self.message_id is not None else {}
+        result['channel_id'] = self.channel_id
+        if self.guild_id is not None:
+            result['guild_id'] = self.guild_id
+        return result