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modules/client/keys/changes: Implement c2s r0.6.1 13.11.5.2.4 keys/changes (changed half).

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This commit is contained in:
Jason Volk 2021-01-04 03:52:37 -08:00
parent a5ddaf0a41
commit 68fc738a3c
1 changed files with 71 additions and 1 deletions
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72
modules/client/keys/changes.cc
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@ -60,8 +60,78 @@ m::resource::response
get__keys_changes(client &client,
const m::resource::request &request)
{
return m::resource::response
char buf[2][128];
const string_view range[2]
{
url::decode(buf[0], request.query["from"]),
url::decode(buf[1], request.query["to"])
};
const auto from
{
m::sync::sequence(m::sync::make_since(range[0]))
};
const auto to
{
m::sync::sequence(m::sync::make_since(range[1]))
};
const m::user::mitsein mitsein
{
request.user_id
};
m::resource::response::chunked::json response
{
client, http::OK
};
if(likely(request.query.get("changed", true)))
{
json::stack::array out
{
response, "changed"
};
m::events::type::for_each_in("ircd.device.keys", [&from, &to, &out, &mitsein]
(const string_view &type, const m::event::idx &event_idx)
{
if(event_idx < from || event_idx >= to)
return true;
const bool room_id_prefetched
{
m::prefetch(event_idx, "room_id")
};
m::get(std::nothrow, event_idx, "sender", [&out, &mitsein, &event_idx]
(const m::user::id &user_id)
{
m::get(std::nothrow, event_idx, "room_id", [&out, &mitsein, &user_id]
(const m::room::id &room_id)
{
if(!m::user::room::is(room_id, user_id))
return;
if(!mitsein.has(user_id))
return;
out.append(user_id);
});
});
return true;
});
}
if(likely(request.query.get("left", true)))
{
json::stack::array out
{
response, "left"
};
}
return std::move(response);
}