forked from MirrorHub/synapse
Merge pull request #699 from matrix-org/rav/show_own_leave_event
Let users see their own leave events
This commit is contained in:
commit
87a30890a3
1 changed files with 40 additions and 11 deletions
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@ -37,6 +37,15 @@ VISIBILITY_PRIORITY = (
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)
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)
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MEMBERSHIP_PRIORITY = (
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Membership.JOIN,
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Membership.INVITE,
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Membership.KNOCK,
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Membership.LEAVE,
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Membership.BAN,
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)
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class BaseHandler(object):
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class BaseHandler(object):
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"""
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"""
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Common base class for the event handlers.
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Common base class for the event handlers.
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@ -72,6 +81,7 @@ class BaseHandler(object):
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* the user is not currently a member of the room, and:
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* the user is not currently a member of the room, and:
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* the user has not been a member of the room since the
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* the user has not been a member of the room since the
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given events
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given events
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events ([synapse.events.EventBase]): list of events to filter
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"""
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"""
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forgotten = yield defer.gatherResults([
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forgotten = yield defer.gatherResults([
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self.store.who_forgot_in_room(
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self.store.who_forgot_in_room(
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@ -86,6 +96,12 @@ class BaseHandler(object):
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)
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)
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def allowed(event, user_id, is_peeking):
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def allowed(event, user_id, is_peeking):
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"""
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Args:
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event (synapse.events.EventBase): event to check
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user_id (str)
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is_peeking (bool)
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"""
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state = event_id_to_state[event.event_id]
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state = event_id_to_state[event.event_id]
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# get the room_visibility at the time of the event.
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# get the room_visibility at the time of the event.
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@ -117,17 +133,30 @@ class BaseHandler(object):
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if old_priority < new_priority:
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if old_priority < new_priority:
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visibility = prev_visibility
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visibility = prev_visibility
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# get the user's membership at the time of the event. (or rather,
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# likewise, if the event is the user's own membership event, use
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# just *after* the event. Which means that people can see their
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# the 'most joined' membership
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# own join events, but not (currently) their own leave events.)
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membership = None
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membership_event = state.get((EventTypes.Member, user_id), None)
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if event.type == EventTypes.Member and event.state_key == user_id:
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if membership_event:
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membership = event.content.get("membership", None)
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if membership_event.event_id in event_id_forgotten:
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if membership not in MEMBERSHIP_PRIORITY:
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membership = None
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membership = "leave"
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else:
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membership = membership_event.membership
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prev_content = event.unsigned.get("prev_content", {})
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else:
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prev_membership = prev_content.get("membership", None)
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membership = None
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if prev_membership not in MEMBERSHIP_PRIORITY:
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prev_membership = "leave"
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new_priority = MEMBERSHIP_PRIORITY.index(membership)
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old_priority = MEMBERSHIP_PRIORITY.index(prev_membership)
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if old_priority < new_priority:
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membership = prev_membership
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# otherwise, get the user's membership at the time of the event.
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if membership is None:
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membership_event = state.get((EventTypes.Member, user_id), None)
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if membership_event:
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if membership_event.event_id not in event_id_forgotten:
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membership = membership_event.membership
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# if the user was a member of the room at the time of the event,
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# if the user was a member of the room at the time of the event,
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# they can see it.
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# they can see it.
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