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construct/matrix/room_message.cc

232 lines
3.6 KiB
C++

// The Construct
//
// Copyright (C) The Construct Developers, Authors & Contributors
// Copyright (C) 2016-2022 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.
ircd::string_view
ircd::m::room::message::body()
const noexcept
{
const auto reply_to_body
{
this->reply_to_body()
};
string_view body
{
json::get<"body"_>(*this)
};
if(reply_to_body)
{
body = string_view
{
reply_to_body.end(), body.end()
};
body = lstrip(body, "\\n", 2);
}
return body;
}
ircd::string_view
ircd::m::room::message::replace_body()
const noexcept
{
const auto replace_event
{
this->replace_event()
};
if(!replace_event)
return {};
const json::object m_new_content
{
this->source["m.new_content"]
};
if(!json::type(m_new_content, json::OBJECT))
return {};
const json::string body
{
m_new_content["body"]
};
return body;
}
ircd::m::event::id
ircd::m::room::message::replace_event()
const noexcept try
{
const m::relates_to &m_relates_to
{
json::get<"m.relates_to"_>(*this)
};
if(json::get<"rel_type"_>(m_relates_to) != "m.replace")
return {};
const auto &event_id
{
json::get<"event_id"_>(m_relates_to)
};
if(!event_id || !valid(m::id::EVENT, event_id))
return {};
return event_id;
}
catch(const json::error &e)
{
log::derror
{
log, "Failed to extract m.relates_to m.replace event_id :%s",
e.what(),
};
return {};
}
catch(const std::exception &e)
{
log::error
{
log, "Failed to extract m.relates_to m.replace event_id :%s",
e.what(),
};
return {};
}
ircd::string_view
ircd::m::room::message::reply_to_body()
const noexcept
{
const auto reply_to_name
{
this->reply_to_name()
};
if(likely(!reply_to_name))
return {};
string_view body
{
json::get<"body"_>(*this)
};
body = string_view
{
reply_to_name.end(), body.end()
};
tokens(body, "\\n", [&body]
(const string_view &line) noexcept
{
if(!startswith(line, '>'))
return false;
body = string_view
{
body.begin(), line.end()
};
return true;
});
return body;
}
ircd::m::user::id
ircd::m::room::message::reply_to_user()
const noexcept
{
const auto reply_to_name
{
this->reply_to_name()
};
if(!valid(m::id::USER, reply_to_name))
return {};
return reply_to_name;
}
ircd::string_view
ircd::m::room::message::reply_to_name()
const noexcept
{
string_view body
{
json::get<"body"_>(*this)
};
if(!startswith(body, '>'))
return {};
body = lstrip(body, '>', 1);
body = lstrip(body, ' ', 1);
body = lstrip(body, '*', 1);
body = lstrip(body, ' ', 1);
const string_view ret
{
between(body, '<', '>')
};
return ret;
}
ircd::m::event::id
ircd::m::room::message::reply_to_event()
const noexcept try
{
const m::relates_to &m_relates_to
{
json::get<"m.relates_to"_>(*this)
};
const json::object &m_in_reply_to
{
json::get<"m.in_reply_to"_>(m_relates_to)
};
const auto &event_id
{
json::type(m_in_reply_to, json::OBJECT)?
m_in_reply_to.get<json::string>("event_id"):
m_relates_to.get<json::string>("event_id")
};
if(!event_id || !valid(m::id::EVENT, event_id))
return {};
return event_id;
}
catch(const json::error &e)
{
log::derror
{
log, "Failed to extract m.relates_to m.in_reply_to event_id :%s",
e.what(),
};
return {};
}
catch(const std::exception &e)
{
log::error
{
log, "Failed to extract m.relates_to m.in_reply_to event_id :%s",
e.what(),
};
return {};
}