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construct/matrix/presence.cc

106 lines
2.1 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.
namespace ircd::m
{
extern const string_view presence_valid_states[];
}
decltype(ircd::m::presence_valid_states)
ircd::m::presence_valid_states
{
"online",
"offline",
"unavailable",
};
bool
IRCD_MODULE_EXPORT
ircd::m::presence::get(const std::nothrow_t,
const m::user &user,
const m::presence::closure_event &closure,
const m::event::fetch::opts *const &fopts_p)
{
const m::event::idx event_idx
{
m::presence::get(std::nothrow, user)
};
if(!event_idx)
return false;
const auto &fopts
{
fopts_p? *fopts_p : event::fetch::default_opts
};
const m::event::fetch event
{
event_idx, std::nothrow, fopts
};
if(event.valid)
closure(event);
return event.valid;
}
ircd::m::event::idx
IRCD_MODULE_EXPORT
ircd::m::presence::get(const std::nothrow_t,
const m::user &user)
{
const m::user::room user_room
{
user
};
const m::room::state state
{
user_room
};
return state.get(std::nothrow, "ircd.presence", "");
}
ircd::m::event::id::buf
IRCD_MODULE_EXPORT
ircd::m::presence::set(const m::presence &content)
{
const m::user user
{
json::at<"user_id"_>(content)
};
//TODO: ABA
if(!exists(user))
create(user.user_id);
m::vm::copts copts;
const m::user::room user_room
{
user, &copts
};
//TODO: ABA
return send(user_room, user.user_id, "ircd.presence", "", json::strung{content});
}
bool
IRCD_MODULE_EXPORT
ircd::m::presence::valid_state(const string_view &state)
{
return std::any_of(begin(presence_valid_states), end(presence_valid_states), [&state]
(const string_view &valid)
{
return state == valid;
});
}