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-rw-r--r--synapse/push/mailer.py60
1 files changed, 46 insertions, 14 deletions
diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py
index c2c2ca3fa7..0e9d8ccb53 100644
--- a/synapse/push/mailer.py
+++ b/synapse/push/mailer.py
@@ -44,8 +44,11 @@ MESSAGE_FROM_PERSON_IN_ROOM = "You have a message on %(app)s from %(person)s " \
                               "in the %s room..."
 MESSAGE_FROM_PERSON = "You have a message on %(app)s from %(person)s..."
 MESSAGES_FROM_PERSON = "You have messages on %(app)s from %(person)s..."
-MESSAGES_IN_ROOM = "There are some messages on %(app)s for you in the %(room)s room..."
-MESSAGES_IN_ROOMS = "Here are some messages on %(app)s you may have missed..."
+MESSAGES_IN_ROOM = "You have messages on %(app)s in the %(room)s room..."
+MESSAGES_IN_ROOM_AND_OTHERS = \
+    "You have messages on %(app)s in the %(room)s room and others..."
+MESSAGES_FROM_PERSON_AND_OTHERS = \
+    "You have messages on %(app)s from %(person)s and others..."
 INVITE_FROM_PERSON_TO_ROOM = "%(person)s has invited you to join the " \
                              "%(room)s room on %(app)s..."
 INVITE_FROM_PERSON = "%(person)s has invited you to chat on %(app)s..."
@@ -75,12 +78,12 @@ ALLOWED_ATTRS = {
 
 
 class Mailer(object):
-    def __init__(self, hs):
+    def __init__(self, hs, app_name):
         self.hs = hs
         self.store = self.hs.get_datastore()
         self.state_handler = self.hs.get_state_handler()
         loader = jinja2.FileSystemLoader(self.hs.config.email_template_dir)
-        self.app_name = self.hs.config.email_app_name
+        self.app_name = app_name
         env = jinja2.Environment(loader=loader)
         env.filters["format_ts"] = format_ts_filter
         env.filters["mxc_to_http"] = self.mxc_to_http_filter
@@ -119,6 +122,8 @@ class Mailer(object):
             user_display_name = yield self.store.get_profile_displayname(
                 UserID.from_string(user_id).localpart
             )
+            if user_display_name is None:
+                user_display_name = user_id
         except StoreError:
             user_display_name = user_id
 
@@ -128,9 +133,14 @@ class Mailer(object):
             state_by_room[room_id] = room_state
 
         # Run at most 3 of these at once: sync does 10 at a time but email
-        # notifs are much realtime than sync so we can afford to wait a bit.
+        # notifs are much less realtime than sync so we can afford to wait a bit.
         yield concurrently_execute(_fetch_room_state, rooms_in_order, 3)
 
+        # actually sort our so-called rooms_in_order list, most recent room first
+        rooms_in_order.sort(
+            key=lambda r: -(notifs_by_room[r][-1]['received_ts'] or 0)
+        )
+
         rooms = []
 
         for r in rooms_in_order:
@@ -139,12 +149,12 @@ class Mailer(object):
             )
             rooms.append(roomvars)
 
-        summary_text = self.make_summary_text(
-            notifs_by_room, state_by_room, notif_events, user_id
+        reason['room_name'] = calculate_room_name(
+            state_by_room[reason['room_id']], user_id, fallback_to_members=True
         )
 
-        reason['room_name'] = calculate_room_name(
-            state_by_room[reason['room_id']], user_id, fallback_to_members=False
+        summary_text = self.make_summary_text(
+            notifs_by_room, state_by_room, notif_events, user_id, reason
         )
 
         template_vars = {
@@ -251,7 +261,9 @@ class Mailer(object):
 
         sender_state_event = room_state[("m.room.member", event.sender)]
         sender_name = name_from_member_event(sender_state_event)
-        sender_avatar_url = sender_state_event.content["avatar_url"]
+        sender_avatar_url = None
+        if "avatar_url" in sender_state_event.content:
+            sender_avatar_url = sender_state_event.content["avatar_url"]
 
         # 'hash' for deterministically picking default images: use
         # sender_hash % the number of default images to choose from
@@ -296,7 +308,8 @@ class Mailer(object):
 
         return messagevars
 
-    def make_summary_text(self, notifs_by_room, state_by_room, notif_events, user_id):
+    def make_summary_text(self, notifs_by_room, state_by_room,
+                          notif_events, user_id, reason):
         if len(notifs_by_room) == 1:
             # Only one room has new stuff
             room_id = notifs_by_room.keys()[0]
@@ -371,9 +384,28 @@ class Mailer(object):
                     }
         else:
             # Stuff's happened in multiple different rooms
-            return MESSAGES_IN_ROOMS % {
-                "app": self.app_name,
-            }
+
+            # ...but we still refer to the 'reason' room which triggered the mail
+            if reason['room_name'] is not None:
+                return MESSAGES_IN_ROOM_AND_OTHERS % {
+                    "room": reason['room_name'],
+                    "app": self.app_name,
+                }
+            else:
+                # If the reason room doesn't have a name, say who the messages
+                # are from explicitly to avoid, "messages in the Bob room"
+                sender_ids = list(set([
+                    notif_events[n['event_id']].sender
+                    for n in notifs_by_room[reason['room_id']]
+                ]))
+
+                return MESSAGES_FROM_PERSON_AND_OTHERS % {
+                    "person": descriptor_from_member_events([
+                        state_by_room[reason['room_id']][("m.room.member", s)]
+                        for s in sender_ids
+                    ]),
+                    "app": self.app_name,
+                }
 
     def make_room_link(self, room_id):
         # need /beta for Universal Links to work on iOS