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modules/m_room: Fix/improve is_complete calculation.

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This commit is contained in:
Jason Volk 2019-04-23 13:29:49 -07:00
parent 8208a67e7f
commit 93e3431915
1 changed files with 23 additions and 29 deletions
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52
modules/m_room.cc
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@ -481,48 +481,42 @@ std::pair<bool, int64_t>
IRCD_MODULE_EXPORT
ircd::m::is_complete(const room &room)
{
static const event::keys::include fkeys
{
"depth"
};
static const event::fetch::opts fopts
{
fkeys, { db::get::NO_CACHE }
};
const room::state state
room::messages it
{
room
};
const auto create_idx
const auto head_depth
{
state.get("m.room.create")
int64_t(it.depth())
};
room::messages it
int64_t depth(head_depth), last(depth + 1);
for(;; --it)
{
room, create_idx, &fopts
};
if(!it || !m::get(it.event_idx(), "depth", depth))
break;
int64_t depth(-1);
if(!it)
return { false, depth };
if(depth == last)
continue;
for(; it; ++it)
{
const event &event{*it};
if(at<"depth"_>(event) == depth + 1)
++depth;
else if(depth < 0)
depth = at<"depth"_>(event);
if(depth + 1 != last)
break;
if(at<"depth"_>(event) != depth)
return { false, depth };
--last;
}
return { true, depth };
if(depth > 1)
return {false, depth};
int64_t create_depth(0);
const room::state state(room);
const auto create_idx(state.get("m.room.create"));
m::get(create_idx, "depth", create_depth);
return
{
last == create_depth + 1, depth
};
}
size_t