add make_link() to MessageReference

hikari/messages.py

@@ -309,6 +309,18 @@ class MessageReference:
     a guild.
     """
 
+    def make_link(self) -> str:
+        """Generate a jump link to this message or channel in case for follow add messages.
+
+        Returns
+        -------
+        str
+            The jump link to the message.
+        """
+        guild_id_str = "@me" if self.guild_id is None else str(self.guild_id)
+        message_id_str = "" if self.id is None else str(self.id)
+        return f"{urls.BASE_URL}/channels/{guild_id_str}/{self.channel_id}/{message_id_str}"
+
 
 @attrs_extensions.with_copy
 @attrs.define(hash=True, kw_only=True, weakref_slot=False)

tests/hikari/test_messages.py

@@ -134,6 +134,26 @@ 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.make_link() == "https://discord.com/channels/123/456/789"
+
+    def test_make_link_when_guild_is_none(self, message_reference):
+        message_reference.guild_id = None
+        assert message_reference.make_link() == "https://discord.com/channels/@me/456/789"
+
+    def test_make_link_when_id_is_none(self, message_reference):
+        message_reference.id = None
+        assert message_reference.make_link() == "https://discord.com/channels/123/456/"
+
+
 @pytest.mark.asyncio
 class TestAsyncMessage:
     async def test_fetch_channel(self, message):