diff --git a/changelog.d/9260.misc b/changelog.d/9260.misc new file mode 100644 index 0000000000..0150e10ea9 --- /dev/null +++ b/changelog.d/9260.misc @@ -0,0 +1 @@ +Refactor the generation of summary text for email notifications. diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py index 745b1dde94..8a6dcff30d 100644 --- a/synapse/push/mailer.py +++ b/synapse/push/mailer.py @@ -267,9 +267,21 @@ class Mailer: fallback_to_members=True, ) - summary_text = await self.make_summary_text( - 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 = list(notifs_by_room.keys())[0] + + summary_text = await self.make_summary_text_single_room( + room_id, + notifs_by_room[room_id], + state_by_room[room_id], + notif_events, + user_id, + ) + else: + summary_text = await self.make_summary_text( + notifs_by_room, state_by_room, notif_events, reason + ) template_vars = { "user_display_name": user_display_name, @@ -492,138 +504,177 @@ class Mailer: if "url" in event.content: messagevars["image_url"] = event.content["url"] + async def make_summary_text_single_room( + self, + room_id: str, + notifs: List[Dict[str, Any]], + room_state_ids: StateMap[str], + notif_events: Dict[str, EventBase], + user_id: str, + ) -> str: + """ + Make a summary text for the email when only a single room has notifications. + + Args: + room_id: The ID of the room. + notifs: The notifications for this room. + room_state_ids: The state map for the room. + notif_events: A map of event ID -> notification event. + user_id: The user receiving the notification. + + Returns: + The summary text. + """ + # If the room has some kind of name, use it, but we don't + # want the generated-from-names one here otherwise we'll + # end up with, "new message from Bob in the Bob room" + room_name = await calculate_room_name( + self.store, room_state_ids, user_id, fallback_to_members=False + ) + + # See if one of the notifs is an invite event for the user + invite_event = None + for n in notifs: + ev = notif_events[n["event_id"]] + if ev.type == EventTypes.Member and ev.state_key == user_id: + if ev.content.get("membership") == Membership.INVITE: + invite_event = ev + break + + if invite_event: + inviter_member_event_id = room_state_ids.get( + ("m.room.member", invite_event.sender) + ) + inviter_name = invite_event.sender + if inviter_member_event_id: + inviter_member_event = await self.store.get_event( + inviter_member_event_id, allow_none=True + ) + if inviter_member_event: + inviter_name = name_from_member_event(inviter_member_event) + + if room_name is None: + return self.email_subjects.invite_from_person % { + "person": inviter_name, + "app": self.app_name, + } + + return self.email_subjects.invite_from_person_to_room % { + "person": inviter_name, + "room": room_name, + "app": self.app_name, + } + + if len(notifs) == 1: + # There is just the one notification, so give some detail + sender_name = None + event = notif_events[notifs[0]["event_id"]] + if ("m.room.member", event.sender) in room_state_ids: + state_event_id = room_state_ids[("m.room.member", event.sender)] + state_event = await self.store.get_event(state_event_id) + sender_name = name_from_member_event(state_event) + + if sender_name is not None and room_name is not None: + return self.email_subjects.message_from_person_in_room % { + "person": sender_name, + "room": room_name, + "app": self.app_name, + } + elif sender_name is not None: + return self.email_subjects.message_from_person % { + "person": sender_name, + "app": self.app_name, + } + + # The sender is unknown, just use the room name (or ID). + return self.email_subjects.messages_in_room % { + "room": room_name or room_id, + "app": self.app_name, + } + else: + # There's more than one notification for this room, so just + # say there are several + if room_name is not None: + return self.email_subjects.messages_in_room % { + "room": room_name, + "app": self.app_name, + } + + return await self.make_summary_text_from_member_events( + room_id, notifs, room_state_ids, notif_events + ) + async def make_summary_text( self, notifs_by_room: Dict[str, List[Dict[str, Any]]], room_state_ids: Dict[str, StateMap[str]], notif_events: Dict[str, EventBase], - user_id: str, reason: Dict[str, Any], - ): - if len(notifs_by_room) == 1: - # Only one room has new stuff - room_id = list(notifs_by_room.keys())[0] + ) -> str: + """ + Make a summary text for the email when multiple rooms have notifications. - # If the room has some kind of name, use it, but we don't - # want the generated-from-names one here otherwise we'll - # end up with, "new message from Bob in the Bob room" - room_name = await calculate_room_name( - self.store, room_state_ids[room_id], user_id, fallback_to_members=False - ) + Args: + notifs_by_room: A map of room ID to the notifications for that room. + room_state_ids: A map of room ID to the state map for that room. + notif_events: A map of event ID -> notification event. + reason: The reason this notification is being sent. - # See if one of the notifs is an invite event for the user - invite_event = None - for n in notifs_by_room[room_id]: - ev = notif_events[n["event_id"]] - if ev.type == EventTypes.Member and ev.state_key == user_id: - if ev.content.get("membership") == Membership.INVITE: - invite_event = ev - break + Returns: + The summary text. + """ + # Stuff's happened in multiple different rooms + # ...but we still refer to the 'reason' room which triggered the mail + if reason["room_name"] is not None: + return self.email_subjects.messages_in_room_and_others % { + "room": reason["room_name"], + "app": self.app_name, + } - if invite_event: - inviter_member_event_id = room_state_ids[room_id].get( - ("m.room.member", invite_event.sender) - ) - inviter_name = invite_event.sender - if inviter_member_event_id: - inviter_member_event = await self.store.get_event( - inviter_member_event_id, allow_none=True - ) - if inviter_member_event: - inviter_name = name_from_member_event(inviter_member_event) + room_id = reason["room_id"] + return await self.make_summary_text_from_member_events( + room_id, notifs_by_room[room_id], room_state_ids[room_id], notif_events + ) - if room_name is None: - return self.email_subjects.invite_from_person % { - "person": inviter_name, - "app": self.app_name, - } - else: - return self.email_subjects.invite_from_person_to_room % { - "person": inviter_name, - "room": room_name, - "app": self.app_name, - } + async def make_summary_text_from_member_events( + self, + room_id: str, + notifs: List[Dict[str, Any]], + room_state_ids: StateMap[str], + notif_events: Dict[str, EventBase], + ) -> str: + """ + Make a summary text for the email when only a single room has notifications. - sender_name = None - if len(notifs_by_room[room_id]) == 1: - # There is just the one notification, so give some detail - event = notif_events[notifs_by_room[room_id][0]["event_id"]] - if ("m.room.member", event.sender) in room_state_ids[room_id]: - state_event_id = room_state_ids[room_id][ - ("m.room.member", event.sender) - ] - state_event = await self.store.get_event(state_event_id) - sender_name = name_from_member_event(state_event) + Args: + room_id: The ID of the room. + notifs: The notifications for this room. + room_state_ids: The state map for the room. + notif_events: A map of event ID -> notification event. - if sender_name is not None and room_name is not None: - return self.email_subjects.message_from_person_in_room % { - "person": sender_name, - "room": room_name, - "app": self.app_name, - } - elif sender_name is not None: - return self.email_subjects.message_from_person % { - "person": sender_name, - "app": self.app_name, - } - else: - # There's more than one notification for this room, so just - # say there are several - if room_name is not None: - return self.email_subjects.messages_in_room % { - "room": room_name, - "app": self.app_name, - } - else: - # If the room doesn't have a name, say who the messages - # are from explicitly to avoid, "messages in the Bob room" - sender_ids = list( - { - notif_events[n["event_id"]].sender - for n in notifs_by_room[room_id] - } - ) + Returns: + The summary text. + """ + # If the room doesn't have a name, say who the messages + # are from explicitly to avoid, "messages in the Bob room" + sender_ids = {notif_events[n["event_id"]].sender for n in notifs} - member_events = await self.store.get_events( - [ - room_state_ids[room_id][("m.room.member", s)] - for s in sender_ids - ] - ) + member_events = await self.store.get_events( + [room_state_ids[("m.room.member", s)] for s in sender_ids] + ) - return self.email_subjects.messages_from_person % { - "person": descriptor_from_member_events(member_events.values()), - "app": self.app_name, - } - else: - # Stuff's happened in multiple different rooms + # There was a single sender. + if len(sender_ids) == 1: + return self.email_subjects.messages_from_person % { + "person": descriptor_from_member_events(member_events.values()), + "app": self.app_name, + } - # ...but we still refer to the 'reason' room which triggered the mail - if reason["room_name"] is not None: - return self.email_subjects.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" - room_id = reason["room_id"] - - sender_ids = list( - { - notif_events[n["event_id"]].sender - for n in notifs_by_room[room_id] - } - ) - - member_events = await self.store.get_events( - [room_state_ids[room_id][("m.room.member", s)] for s in sender_ids] - ) - - return self.email_subjects.messages_from_person_and_others % { - "person": descriptor_from_member_events(member_events.values()), - "app": self.app_name, - } + # There was more than one sender, use the first one and a tweaked template. + return self.email_subjects.messages_from_person_and_others % { + "person": descriptor_from_member_events(list(member_events.values())[:1]), + "app": self.app_name, + } def make_room_link(self, room_id: str) -> str: if self.hs.config.email_riot_base_url: diff --git a/tests/push/test_email.py b/tests/push/test_email.py index 961bf09de9..c4e1e7ed85 100644 --- a/tests/push/test_email.py +++ b/tests/push/test_email.py @@ -187,6 +187,36 @@ class EmailPusherTests(HomeserverTestCase): # We should get emailed about those messages self._check_for_mail() + def test_multiple_rooms(self): + # We want to test multiple notifications from multiple rooms, so we pause + # processing of push while we send messages. + self.pusher._pause_processing() + + # Create a simple room with multiple other users + rooms = [ + self.helper.create_room_as(self.user_id, tok=self.access_token), + self.helper.create_room_as(self.user_id, tok=self.access_token), + ] + + for r, other in zip(rooms, self.others): + self.helper.invite( + room=r, src=self.user_id, tok=self.access_token, targ=other.id + ) + self.helper.join(room=r, user=other.id, tok=other.token) + + # The other users send some messages + self.helper.send(rooms[0], body="Hi!", tok=self.others[0].token) + self.helper.send(rooms[1], body="There!", tok=self.others[1].token) + self.helper.send(rooms[1], body="There!", tok=self.others[1].token) + + # Nothing should have happened yet, as we're paused. + assert not self.email_attempts + + self.pusher._resume_processing() + + # We should get emailed about those messages + self._check_for_mail() + def test_encrypted_message(self): room = self.helper.create_room_as(self.user_id, tok=self.access_token) self.helper.invite(