forked from MirrorHub/synapse
Merge pull request #2362 from matrix-org/erikj/sync_user_users_who_share
Use less DB for device list handling in sync
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91818723a1
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@ -579,18 +579,17 @@ class SyncHandler(object):
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since_token = sync_result_builder.since_token
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if since_token and since_token.device_list_key:
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room_ids = yield self.store.get_rooms_for_user(user_id)
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user_ids_changed = set()
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changed = yield self.store.get_user_whose_devices_changed(
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since_token.device_list_key
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)
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for other_user_id in changed:
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other_room_ids = yield self.store.get_rooms_for_user(other_user_id)
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if room_ids.intersection(other_room_ids):
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user_ids_changed.add(other_user_id)
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if not changed:
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defer.returnValue([])
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defer.returnValue(user_ids_changed)
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users_who_share_room = yield self.store.get_users_who_share_room_with_user(
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user_id
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)
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defer.returnValue(users_who_share_room & changed)
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else:
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defer.returnValue([])
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