Hook up receipts to v1 initialSync

synapse/handlers/message.py

@@ -278,6 +278,11 @@ class MessageHandler(BaseHandler):
             user, pagination_config.get_source_config("presence"), None
         )
 
+        receipt_stream = self.hs.get_event_sources().sources["receipt"]
+        receipt, _ = yield receipt_stream.get_pagination_rows(
+            user, pagination_config.get_source_config("receipt"), None
+        )
+
         public_room_ids = yield self.store.get_public_room_ids()
 
         limit = pagin_config.limit
@@ -344,7 +349,8 @@ class MessageHandler(BaseHandler):
         ret = {
             "rooms": rooms_ret,
             "presence": presence,
-            "end": now_token.to_string()
+            "receipts": receipt,
+            "end": now_token.to_string(),
         }
 
         defer.returnValue(ret)
@@ -405,9 +411,12 @@ class MessageHandler(BaseHandler):
 
             defer.returnValue([p for success, p in presence_defs if success])
 
-        presence, (messages, token) = yield defer.gatherResults(
+        receipts_handler = self.hs.get_handlers().receipts_handler
+
+        presence, receipts, (messages, token) = yield defer.gatherResults(
             [
                 get_presence(),
+                receipts_handler.get_receipts_for_room(room_id, now_token.receipt_key),
                 self.store.get_recent_events_for_room(
                     room_id,
                     limit=limit,
@@ -431,5 +440,6 @@ class MessageHandler(BaseHandler):
                 "end": end_token.to_string(),
             },
             "state": state,
-            "presence": presence
+            "presence": presence,
+            "receipts": receipts,
         })

synapse/handlers/receipts.py

@@ -133,6 +133,24 @@ class ReceiptsHandler(BaseHandler):
                     },
                 )
 
+    @defer.inlineCallbacks
+    def get_receipts_for_room(self, room_id, to_key):
+        result = yield self.store.get_linearized_receipts_for_room(
+            room_id, None, to_key
+        )
+
+        if not result:
+            defer.returnValue([])
+
+        event = {
+            "type": "m.receipt",
+            "content": {
+                room_id: result,
+            },
+        }
+
+        defer.returnValue([event])
+
 
 class ReceiptEventSource(object):
     def __init__(self, hs):
@@ -168,4 +186,29 @@ class ReceiptEventSource(object):
 
     @defer.inlineCallbacks
     def get_pagination_rows(self, user, config, key):
-        defer.returnValue(([{}], 0))
+        to_key = int(config.from_key)
+
+        if config.to_key:
+            from_key = int(config.to_key)
+        else:
+            from_key = None
+
+        rooms = yield self.store.get_rooms_for_user(user.to_string())
+        rooms = [room.room_id for room in rooms]
+        content = {}
+        for room_id in rooms:
+            result = yield self.store.get_linearized_receipts_for_room(
+                room_id, from_key, to_key
+            )
+            if result:
+                content[room_id] = result
+
+        if not content:
+            defer.returnValue(([], to_key))
+
+        event = {
+            "type": "m.receipt",
+            "content": content,
+        }
+
+        defer.returnValue(([event], to_key))

synapse/storage/receipts.py

@@ -28,15 +28,26 @@ class ReceiptsStore(SQLBaseStore):
     @defer.inlineCallbacks
     def get_linearized_receipts_for_room(self, room_id, from_key, to_key):
         def f(txn):
-            sql = (
-                "SELECT * FROM receipts_linearized WHERE"
-                " room_id = ? AND stream_id > ? AND stream_id <= ?"
-            )
+            if from_key:
+                sql = (
+                    "SELECT * FROM receipts_linearized WHERE"
+                    " room_id = ? AND stream_id > ? AND stream_id <= ?"
+                )
 
-            txn.execute(
-                sql,
-                (room_id, from_key, to_key)
-            )
+                txn.execute(
+                    sql,
+                    (room_id, from_key, to_key)
+                )
+            else:
+                sql = (
+                    "SELECT * FROM receipts_linearized WHERE"
+                    " room_id = ? AND stream_id <= ?"
+                )
+
+                txn.execute(
+                    sql,
+                    (room_id, to_key)
+                )
 
             rows = self.cursor_to_dict(txn)