Fix some edge cases of MAM history fetch

- Wait until we receive our own MUC presence to fetch history
- Fix /reconnect weirdness
This commit is contained in:
mathieui 2020-05-22 17:09:17 +02:00
parent d3655c4c35
commit 29eef159d5
4 changed files with 83 additions and 18 deletions

View file

@ -247,10 +247,10 @@ def schedule_tab_open(tab: tabs.Tab) -> None:
async def on_tab_open(tab: tabs.Tab) -> None:
gap = tab._text_buffer.find_last_gap_muc()
if gap is not None:
await fill_missing_history(tab, gap)
else:
if gap is None or not gap.leave_message:
await on_new_tab_open(tab)
else:
await fill_missing_history(tab, gap)
def schedule_scroll_up(tab: tabs.Tab) -> None:

View file

@ -170,7 +170,6 @@ class MucTab(ChatTab):
status=status.message,
show=status.show,
seconds=seconds)
mam.schedule_tab_open(self)
def leave_room(self, message: str):
if self.joined:
@ -601,6 +600,7 @@ class MucTab(ChatTab):
},
),
typ=0)
mam.schedule_tab_open(self)
def handle_presence_joined(self, presence: Presence, status_codes) -> None:
"""

View file

@ -44,8 +44,8 @@ class AckError(Exception):
@dataclass
class HistoryGap:
"""Class representing a period of non-presence inside a MUC"""
leave_message: Optional[MucOwnLeaveMessage]
join_message: Optional[MucOwnJoinMessage]
leave_message: Optional[BaseMessage]
join_message: Optional[BaseMessage]
last_timestamp_before_leave: Optional[datetime]
first_timestamp_after_join: Optional[datetime]
@ -78,33 +78,57 @@ class TextBuffer:
leave, join = None, None
for i, item in enumerate(reversed(self.messages)):
if isinstance(item, MucOwnLeaveMessage):
leave = (i, item)
leave = (len(self.messages) - i - 1, item)
break
elif join and isinstance(item, MucOwnJoinMessage):
leave = (len(self.messages) - i - 1, item)
break
if isinstance(item, MucOwnJoinMessage):
join = (i, item)
if join and leave: # Skip if we find a message in the interval
real_leave = len(self.messages) - leave[0] - 1
real_join = len(self.messages) - join[0] - 1
for i in range(real_leave, real_join, 1):
join = (len(self.messages) - i - 1, item)
last_timestamp = None
first_timestamp = datetime.now()
# Identify the special case when we got disconnected from a chatroom
# without receiving or sending the relevant presence, therefore only
# having two joins with no leave, and messages in the middle.
if leave and isinstance(leave[1], MucOwnJoinMessage):
for i in range(join[0] - 1, leave[0], - 1):
if isinstance(self.messages[i], Message):
leave = (
i,
self.messages[i]
)
last_timestamp = self.messages[i].time
break
# If we have a normal gap but messages inbetween, it probably
# already has history, so abort there without returning it.
if join and leave:
for i in range(leave[0] + 1, join[0], 1):
if isinstance(self.messages[i], Message):
return None
elif not (join or leave):
return None
# If a leave message is found, get the last Message timestamp
# before it.
if leave is None:
last_timestamp, leave_msg = None, None
else:
last_timestamp = None
leave_msg = None
elif last_timestamp is None:
leave_msg = leave[1]
for i in range(len(self.messages) - leave[0] - 1, 0, -1):
for i in range(leave[0], 0, -1):
if isinstance(self.messages[i], Message):
last_timestamp = self.messages[i].time
break
first_timestamp = datetime.now()
else:
leave_msg = leave[1]
# If a join message is found, get the first Message timestamp
# after it, or the current time.
if join is None:
join_msg = None
else:
join_msg = join[1]
for i in range(len(self.messages) - join[0], len(self.messages)):
for i in range(join[0], len(self.messages)):
msg = self.messages[i]
if isinstance(msg, Message) and msg.time < first_timestamp:
first_timestamp = msg.time

View file

@ -35,6 +35,13 @@ def msgs_noleave():
msg4 = Message('4', 'f')
return [join, msg3, msg4]
@fixture(scope='function')
def msgs_doublejoin():
join = MucOwnJoinMessage('join')
msg1 = Message('1', 'd')
msg2 = Message('2', 'f')
join2 = MucOwnJoinMessage('join')
return [join, msg1, msg2, join2]
def test_last_message(buf2048):
msg = BaseMessage('toto')
@ -67,6 +74,24 @@ def test_find_gap(buf2048, msgs_noleave):
assert gap.first_timestamp_after_join == msg3.time
def test_find_gap_doublejoin(buf2048, msgs_doublejoin):
for msg in msgs_doublejoin:
buf2048.add_message(msg)
gap = buf2048.find_last_gap_muc()
assert gap.leave_message == msgs_doublejoin[2]
assert gap.join_message == msgs_doublejoin[3]
def test_find_gap_doublejoin_no_msg(buf2048):
join1 = MucOwnJoinMessage('join')
join2 = MucOwnJoinMessage('join')
for msg in [join1, join2]:
buf2048.add_message(msg)
gap = buf2048.find_last_gap_muc()
assert gap.leave_message is join1
assert gap.join_message is join2
def test_find_gap_already_filled(buf2048):
msg1 = Message('1', 'q')
msg2 = Message('2', 's')
@ -115,6 +140,22 @@ def test_get_gap_index(buf2048):
assert buf2048.get_gap_index(gap) == 3
def test_get_gap_index_doublejoin(buf2048, msgs_doublejoin):
for msg in msgs_doublejoin:
buf2048.add_message(msg)
gap = buf2048.find_last_gap_muc()
assert buf2048.get_gap_index(gap) == 3
def test_get_gap_index_doublejoin_no_msg(buf2048):
join1 = MucOwnJoinMessage('join')
join2 = MucOwnJoinMessage('join')
for msg in [join1, join2]:
buf2048.add_message(msg)
gap = buf2048.find_last_gap_muc()
assert buf2048.get_gap_index(gap) == 1
def test_get_gap_index_nojoin(buf2048, msgs_nojoin):
for msg in msgs_nojoin:
buf2048.add_message(msg)