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modules/client/sync/rooms/timeline: Add case to linear-sync a backfill of timeline events on join.

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This commit is contained in:
Jason Volk 2019-09-15 17:26:17 -07:00
parent 52a6c82a93
commit 0f00468bb8
1 changed files with 33 additions and 1 deletions
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34
modules/client/sync/rooms/timeline.cc
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@ -84,7 +84,7 @@ ircd::m::sync::room_timeline_linear(data &data)
room::events::viewport_size room::events::viewport_size
}; };
if(viewport_size >= 0) if(likely(viewport_size >= 0))
if(json::get<"depth"_>(*data.event) + viewport_size < data.room_depth) if(json::get<"depth"_>(*data.event) + viewport_size < data.room_depth)
return false; return false;
@ -103,6 +103,38 @@ ircd::m::sync::room_timeline_linear(data &data)
*data.out, "timeline" *data.out, "timeline"
}; };
const bool is_own_membership
{
json::get<"type"_>(*data.event) == "m.room.member"
&& json::get<"state_key"_>(*data.event) == data.user.user_id
};
const bool is_own_join
{
is_own_membership && data.membership == "join"
};
if(is_own_join)
{
const auto last_membership_state_idx
{
m::room::state::prev(data.event_idx)
};
const scope_restore range_first
{
data.range.first, last_membership_state_idx
};
bool ret{false}, limited{false};
const auto prev_batch
{
_room_timeline_polylog_events(data, *data.room, limited, ret)
};
return ret;
}
json::stack::array array json::stack::array array
{ {
*data.out, "events" *data.out, "events"