Add support for Matrix->Telegram reactions

mautrix_telegram/db/message.py

@@ -143,6 +143,11 @@ class Message:
         q = "UPDATE message SET mxid=$1 WHERE mxid=$2 AND mx_room=$3"
         await cls.db.execute(q, real_mxid, temp_mxid, mx_room)
 
+    @classmethod
+    async def delete_temp_mxid(cls, temp_mxid: str, mx_room: RoomID) -> None:
+        q = "DELETE FROM message WHERE mxid=$1 AND mx_room=$2"
+        await cls.db.execute(q, temp_mxid, mx_room)
+
     @property
     def _values(self):
         return (

mautrix_telegram/db/reaction.py

@@ -55,6 +55,13 @@ class Reaction:
         q = f"SELECT {cls.columns} FROM reaction WHERE mxid=$1 AND mx_room=$2"
         return cls._from_row(await cls.db.fetchrow(q, mxid, mx_room))
 
+    @classmethod
+    async def get_by_sender(
+        cls, mxid: EventID, mx_room: RoomID, tg_sender: TelegramID
+    ) -> Reaction | None:
+        q = f"SELECT {cls.columns} FROM reaction WHERE msg_mxid=$1 AND mx_room=$2 AND tg_sender=$3"
+        return cls._from_row(await cls.db.fetchrow(q, mxid, mx_room, tg_sender))
+
     @classmethod
     async def get_all_by_message(cls, mxid: EventID, mx_room: RoomID) -> list[Reaction]:
         q = f"SELECT {cls.columns} FROM reaction WHERE msg_mxid=$1 AND mx_room=$2"