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construct/matrix/user_room_account_data.cc

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// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2019 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::m::event::id::buf
ircd::m::user::room_account_data::set(const string_view &user_type,
const json::object &value)
const
{
char typebuf[typebuf_size];
const string_view type
{
_type(typebuf, room.room_id)
};
const m::user::room user_room
{
user
};
return send(user_room, user, type, user_type, value);
}
ircd::json::object
ircd::m::user::room_account_data::get(const mutable_buffer &out,
const string_view &type)
const
{
json::object ret;
get(std::nothrow, type, [&out, &ret]
(const string_view &type, const json::object &val)
{
ret = string_view { data(out), copy(out, val) };
});
return ret;
}
void
ircd::m::user::room_account_data::get(const string_view &type,
const closure &closure)
const
{
if(!get(std::nothrow, type, closure))
throw m::NOT_FOUND
{
"account data type '%s' for user %s in room %s not found",
type,
string_view{user.user_id},
string_view{room.room_id}
};
}
bool
ircd::m::user::room_account_data::get(std::nothrow_t,
const string_view &user_type,
const closure &closure)
const
{
char typebuf[typebuf_size];
const string_view type
{
_type(typebuf, room.room_id)
};
const user::room user_room{user};
const room::state state{user_room};
const event::idx event_idx
{
state.get(std::nothrow, type, user_type)
};
return event_idx && m::get(std::nothrow, event_idx, "content", [&user_type, &closure]
(const json::object &content)
{
closure(user_type, content);
});
}
bool
ircd::m::user::room_account_data::for_each(const closure_bool &closure)
const
{
char typebuf[typebuf_size];
const string_view type
{
_type(typebuf, room.room_id)
};
static const event::fetch::opts fopts
{
event::keys::include {"state_key", "content"}
};
const user::room user_room{user};
const room::state state
{
user_room, &fopts
};
return state.for_each(type, event::closure_bool{[&closure]
(const m::event &event)
{
const auto &user_type
{
at<"state_key"_>(event)
};
const auto &content
{
json::get<"content"_>(event)
};
return closure(user_type, content);
}});
}
ircd::string_view
ircd::m::user::room_account_data::_type(const mutable_buffer &out,
const m::room::id &room_id)
{
assert(size(out) >= typebuf_size);
string_view ret;
ret = strlcpy(out, type_prefix);
ret = strlcat(out, room_id);
return ret;
}