def update_conversation(self, conversation):
"""Update the internal state of the conversation.
This method is used by :class:`.ConversationList` to maintain this
instance.
Args:
conversation: ``Conversation`` message.
"""
# StateUpdate.conversation is actually a delta; fields that aren't
# specified are assumed to be unchanged. Until this class is
# refactored, hide this by saving and restoring previous values where
# necessary.
new_state = conversation.self_conversation_state
old_state = self._conversation.self_conversation_state
self._conversation = conversation
# delivery_medium_option
if not new_state.delivery_medium_option:
new_state.delivery_medium_option.extend(
old_state.delivery_medium_option
)
# latest_read_timestamp
old_timestamp = old_state.self_read_state.latest_read_timestamp
new_timestamp = new_state.self_read_state.latest_read_timestamp
if new_timestamp == 0:
new_state.self_read_state.latest_read_timestamp = old_timestamp
# user_read_state(s)
for new_entry in conversation.read_state:
tstamp = parsers.from_timestamp(new_entry.latest_read_timestamp)
if tstamp == 0:
continue
uid = parsers.from_participantid(new_entry.participant_id)
if uid not in self._watermarks or self._watermarks[uid] < tstamp:
self._watermarks[uid] = tstamp
def update_conversation(self, conversation):
"""Update the internal state of the conversation.
This method is used by :class:`.ConversationList` to maintain this
instance.
Args:
conversation: ``Conversation`` message.
"""
# StateUpdate.conversation is actually a delta; fields that aren't
# specified are assumed to be unchanged. Until this class is
# refactored, hide this by saving and restoring previous values where
# necessary.
new_state = conversation.self_conversation_state
old_state = self._conversation.self_conversation_state
self._conversation = conversation
# delivery_medium_option
if not new_state.delivery_medium_option:
new_state.delivery_medium_option.extend(
old_state.delivery_medium_option
)
# latest_read_timestamp
old_timestamp = old_state.self_read_state.latest_read_timestamp
new_timestamp = new_state.self_read_state.latest_read_timestamp
if new_timestamp == 0:
new_state.self_read_state.latest_read_timestamp = old_timestamp
# user_read_state(s)
for new_entry in conversation.read_state:
tstamp = parsers.from_timestamp(new_entry.latest_read_timestamp)
if tstamp == 0:
continue
uid = parsers.from_participantid(new_entry.participant_id)
if uid not in self._watermarks or self._watermarks[uid] < tstamp:
self._watermarks[uid] = tstamp