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construct/modules/client/rooms/read_markers.cc
2019-02-11 15:57:01 -08:00

75 lines
1.7 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;
resource::response
post__read_markers(client &client,
const resource::request &request,
const m::room::id &room_id)
{
const string_view m_fully_read
{
unquote(request["m.fully_read"])
};
const string_view m_read
{
unquote(request["m.read"])
};
const auto &marker
{
m_read?: m_fully_read
};
m::event::id::buf head;
if(marker) switch(m::sigil(marker))
{
case m::id::EVENT:
head = marker;
break;
case m::id::ROOM:
head = m::head(m::room::id(marker));
break;
default: log::dwarning
{
"Unhandled read marker '%s' sigil type",
string_view{marker}
};
}
const bool useful
{
head &&
// Check if the marker is more recent than the last marker they sent.
// We currently don't do anything with markers targeting the past
m::receipt::freshest(room_id, request.user_id, head) &&
// Check if the user wants to prevent sending a receipt to the room.
!m::receipt::ignoring(request.user_id, room_id) &&
// Check if the user wants to prevent based on this event's specifics.
!m::receipt::ignoring(request.user_id, head)
};
if(useful)
m::receipt::read(room_id, request.user_id, head);
return resource::response
{
client, http::OK
};
}