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construct/modules/client/rooms/read_markers.cc

108 lines
2.6 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#include "rooms.h"
using namespace ircd;
void // This is in receipt.cc; not listed in rooms.h so we declare here.
handle_receipt_m_read(client &client,
const m::resource::request &request,
const m::room::id &room_id,
const m::event::id &event_id);
static void
handle_m_fully_read(client &client,
const m::resource::request &request,
const m::room::id &room_id,
const json::string &input);
m::resource::response
post__read_markers(client &client,
const m::resource::request &request,
const m::room::id &room_id)
{
const json::string &m_read
{
request["m.read"]
};
const json::string &m_fully_read
{
request["m.fully_read"]
};
if(m_fully_read)
handle_m_fully_read(client, request, room_id, m_fully_read);
if(m_read)
handle_receipt_m_read(client, request, room_id, m_read);
return m::resource::response
{
client, http::OK
};
}
void
handle_m_fully_read(client &client,
const m::resource::request &request,
const m::room::id &room_id,
const json::string &input)
{
m::event::id::buf event_id_buf;
if(!m::valid(m::id::EVENT, input))
event_id_buf = m::head(room_id);
const m::event::id &event_id
{
event_id_buf?
m::event::id{event_id_buf}:
m::event::id{input}
};
const m::user::room_account_data account_data
{
request.user_id, room_id
};
// Check if riot is sending a duplicate read marker with the same event.
bool duplicate{false};
account_data.get(std::nothrow, "m.fully_read", [&duplicate, &event_id]
(const string_view &key, const json::object &content)
{
const json::string &prior_id
{
content["event_id"]
};
duplicate = prior_id == event_id;
});
if(duplicate)
{
log::dwarning
{
m::log, "Ignoring duplicate m.fully_read marker for %s in %s by %s",
string_view{event_id},
string_view{room_id},
string_view{request.user_id},
};
return;
}
const json::strung content{json::members
{
{ "event_id", event_id }
}};
account_data.set("m.fully_read", json::object(content));
}