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construct/matrix/receipt.cc

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// 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.
decltype(ircd::m::receipt::log)
IRCD_MODULE_EXPORT_DATA
ircd::m::receipt::log
{
"m.receipt"
};
ircd::m::event::id::buf
IRCD_MODULE_EXPORT
ircd::m::receipt::read(const m::room::id &room_id,
const m::user::id &user_id,
const m::event::id &event_id,
const json::object &options)
{
const m::user::room user_room
{
user_id
};
const auto evid
{
send(user_room, user_id, "ircd.read", room_id,
{
{ "event_id", event_id },
{ "ts", options.get("ts", ircd::time<milliseconds>()) },
{ "m.hidden", options.get("m.hidden", false) },
})
};
log::info
{
log, "%s read by %s in %s options:%s",
string_view{event_id},
string_view{user_id},
string_view{room_id},
string_view{options},
};
return evid;
}
bool
IRCD_MODULE_EXPORT
ircd::m::receipt::get(const m::room::id &room_id,
const m::user::id &user_id,
const m::event::id::closure &closure)
{
const m::user::room user_room
{
user_id
};
const auto event_idx
{
user_room.get(std::nothrow, "ircd.read", room_id)
};
return m::get(std::nothrow, event_idx, "content", [&closure]
(const json::object &content)
{
const json::string &event_id
{
content["event_id"]
};
closure(event_id);
});
}
/// Does the user wish to not send receipts for events sent by its specific
/// sender?
bool
IRCD_MODULE_EXPORT
ircd::m::receipt::ignoring(const m::user &user,
const m::event::id &event_id)
{
bool ret{false};
m::get(std::nothrow, event_id, "sender", [&ret, &user]
(const string_view &sender)
{
const m::user::room user_room{user};
ret = user_room.has("ircd.read.ignore", sender);
});
return ret;
}
/// Does the user wish to not send receipts for events for this entire room?
bool
IRCD_MODULE_EXPORT
ircd::m::receipt::ignoring(const m::user &user,
const m::room::id &room_id)
{
const m::user::room user_room{user};
return user_room.has("ircd.read.ignore", room_id);
}
bool
IRCD_MODULE_EXPORT
ircd::m::receipt::freshest(const m::room::id &room_id,
const m::user::id &user_id,
const m::event::id &event_id)
try
{
const m::user::room user_room
{
user_id
};
bool ret{true};
user_room.get("ircd.read", room_id, [&ret, &event_id]
(const m::event &event)
{
const auto &content
{
at<"content"_>(event)
};
const m::event::id &previous_id
{
unquote(content.get("event_id"))
};
if(event_id == previous_id)
{
ret = false;
return;
}
const m::event::idx &previous_idx
{
index(previous_id)
};
const m::event::idx &event_idx
{
index(event_id)
};
ret = event_idx > previous_idx;
});
return ret;
}
catch(const std::exception &e)
{
log::derror
{
log, "Freshness of receipt in %s from %s for %s :%s",
string_view{room_id},
string_view{user_id},
string_view{event_id},
e.what()
};
return true;
}
bool
IRCD_MODULE_EXPORT
ircd::m::receipt::exists(const m::room::id &room_id,
const m::user::id &user_id,
const m::event::id &event_id)
{
const m::user::room user_room
{
user_id
};
bool ret{false};
user_room.get(std::nothrow, "ircd.read", room_id, [&ret, &event_id]
(const m::event &event)
{
const auto &content
{
at<"content"_>(event)
};
ret = unquote(content.get("event_id")) == event_id;
});
return ret;
}