allow appservice to be filtered by in users list

synapse/rest/admin/users.py

@@ -91,9 +91,10 @@ async def on_GET(self, request):
         user_id = parse_string(request, "user_id", default=None)
         guests = parse_boolean(request, "guests", default=True)
         deactivated = parse_boolean(request, "deactivated", default=False)
+        appservice = parse_string(request, "appservice", default=False)
 
         users, total = await self.store.get_users_paginate(
-            start, limit, user_id, guests, deactivated
+            start, limit, user_id, guests, deactivated, appservice
         )
         ret = {"users": users, "total": total}
         if len(users) >= limit:

synapse/storage/data_stores/main/__init__.py

@@ -496,7 +496,7 @@ def get_users(self):
         )
 
     def get_users_paginate(
-        self, start, limit, name=None, guests=True, deactivated=False
+        self, start, limit, name=None, guests=True, deactivated=False, appservice=False
     ):
         """Function to retrieve a paginated list of users from
         users list. This will return a json list of users and the
@@ -526,6 +526,11 @@ def get_users_paginate_txn(txn):
             if not deactivated:
                 filters.append("deactivated = 0")
 
+            if not appservice == False:
+                filters.append("appservice_id = ?")
+                args.append(appservice)
+
+
             where_clause = "WHERE " + " AND ".join(filters) if len(filters) > 0 else ""
 
             sql = "SELECT COUNT(*) as total_users FROM users %s" % (where_clause)