mirror of
https://github.com/matrix-construct/construct
synced 2024-10-29 18:08:53 +01:00
229 lines
4.5 KiB
C++
229 lines
4.5 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.
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// event/get.h
|
|
//
|
|
|
|
std::string
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(event_id, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::string
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(event_idx, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::string
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(std::nothrow, event_id, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
std::string
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key)
|
|
{
|
|
std::string ret;
|
|
get(std::nothrow, event_idx, key, [&ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = value;
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key,
|
|
const mutable_buffer &out)
|
|
{
|
|
const auto &ret
|
|
{
|
|
get(std::nothrow, index(event_id), key, out)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for %s not found in database",
|
|
key,
|
|
string_view{event_id}
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key,
|
|
const mutable_buffer &out)
|
|
{
|
|
const const_buffer ret
|
|
{
|
|
get(std::nothrow, event_idx, key, out)
|
|
};
|
|
|
|
if(!ret)
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for event_idx[%lu] not found in database",
|
|
key,
|
|
event_idx
|
|
};
|
|
|
|
return ret;
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key,
|
|
const mutable_buffer &buf)
|
|
{
|
|
return get(std::nothrow, index(std::nothrow, event_id), key, buf);
|
|
}
|
|
|
|
ircd::const_buffer
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key,
|
|
const mutable_buffer &buf)
|
|
{
|
|
const_buffer ret;
|
|
get(std::nothrow, event_idx, key, [&buf, &ret]
|
|
(const string_view &value)
|
|
{
|
|
ret = { data(buf), copy(buf, value) };
|
|
});
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
ircd::m::get(const event::id &event_id,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
if(!get(std::nothrow, index(event_id), key, closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for %s not found in database",
|
|
key,
|
|
string_view{event_id}
|
|
};
|
|
}
|
|
|
|
void
|
|
ircd::m::get(const event::idx &event_idx,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
if(!get(std::nothrow, event_idx, key, closure))
|
|
throw m::NOT_FOUND
|
|
{
|
|
"%s for event_idx[%lu] not found in database",
|
|
key,
|
|
event_idx
|
|
};
|
|
}
|
|
|
|
bool
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::id &event_id,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
return get(std::nothrow, index(std::nothrow, event_id), key, closure);
|
|
}
|
|
|
|
bool
|
|
ircd::m::get(std::nothrow_t,
|
|
const event::idx &event_idx,
|
|
const string_view &key,
|
|
const event::fetch::view_closure &closure)
|
|
{
|
|
if(!event_idx)
|
|
return false;
|
|
|
|
const auto &column_idx
|
|
{
|
|
json::indexof<event>(key)
|
|
};
|
|
|
|
auto &column
|
|
{
|
|
dbs::event_column.at(column_idx)
|
|
};
|
|
|
|
const string_view &column_key
|
|
{
|
|
byte_view<string_view>{event_idx}
|
|
};
|
|
|
|
if(column)
|
|
return column(column_key, std::nothrow, closure);
|
|
|
|
// If the event property being sought doesn't have its own column we
|
|
// fall back to fetching the full JSON and closing over the property.
|
|
bool ret{false};
|
|
dbs::event_json(column_key, std::nothrow, [&closure, &key, &ret]
|
|
(const json::object &event)
|
|
{
|
|
string_view value
|
|
{
|
|
event[key]
|
|
};
|
|
|
|
if(!value)
|
|
return;
|
|
|
|
// The user expects an unquoted string to their closure, the same as
|
|
// if this value was found in its own column.
|
|
if(json::type(value, json::STRING))
|
|
value = json::string(value);
|
|
|
|
ret = true;
|
|
closure(value);
|
|
});
|
|
|
|
return ret;
|
|
}
|