Add message_link/channel_link to MessageReference (#1877)

Signed-off-by: Leo Developer <LeoDeveloper@protonmail.com>
Co-authored-by: beagold <86345081+beagold@users.noreply.github.com>

changes/1877.feature.md

@@ -0,0 +1,2 @@
+- Add `message_link` property to `MessageReference`
+- Add `channel_link` property to `MessageReference`

hikari/messages.py

@@ -309,6 +309,28 @@ class MessageReference:
     a guild.
     """
 
+    @property
+    def message_link(self) -> typing.Optional[str]:
+        """Generate a jump link to the referenced message.
+
+        This will be [`None`][] for channel follow add messages. This may
+        point to a deleted message.
+        """
+        if self.id is None:
+            return None
+
+        guild_id_str = "@me" if self.guild_id is None else self.guild_id
+        return f"{urls.BASE_URL}/channels/{guild_id_str}/{self.channel_id}/{self.id}"
+
+    @property
+    def channel_link(self) -> str:
+        """Generate a jump link to the channel the referenced message was sent in.
+
+        This will always be a valid link.
+        """
+        guild_id_str = "@me" if self.guild_id is None else self.guild_id
+        return f"{urls.BASE_URL}/channels/{guild_id_str}/{self.channel_id}"
+
 
 @attrs_extensions.with_copy
 @attrs.define(hash=True, kw_only=True, weakref_slot=False)

tests/hikari/test_messages.py

@@ -134,6 +134,29 @@ def test_make_link_when_guild_is_none(self, message):
         assert message.make_link(None) == "https://discord.com/channels/@me/456/789"
 
 
+@pytest.fixture
+def message_reference():
+    return messages.MessageReference(
+        app=None, guild_id=snowflakes.Snowflake(123), channel_id=snowflakes.Snowflake(456), id=snowflakes.Snowflake(789)
+    )
+
+
+class TestMessageReference:
+    def test_make_link_when_guild_is_not_none(self, message_reference):
+        assert message_reference.message_link == "https://discord.com/channels/123/456/789"
+        assert message_reference.channel_link == "https://discord.com/channels/123/456"
+
+    def test_make_link_when_guild_is_none(self, message_reference):
+        message_reference.guild_id = None
+        assert message_reference.message_link == "https://discord.com/channels/@me/456/789"
+        assert message_reference.channel_link == "https://discord.com/channels/@me/456"
+
+    def test_make_link_when_id_is_none(self, message_reference):
+        message_reference.id = None
+        assert message_reference.message_link is None
+        assert message_reference.channel_link == "https://discord.com/channels/123/456"
+
+
 @pytest.mark.asyncio
 class TestAsyncMessage:
     async def test_fetch_channel(self, message):