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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
Description: Database-level access to messages table for private message history
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
More about this license: http://www.question2answer.org/license.php
*/
if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
header('Location: ../../');
exit;
}
/**
* Record a message sent from $fromuserid to $touserid with $content in $format in the database. $public sets whether
* public (on wall) or private. Return the messageid of the row created.
* @param $fromuserid
* @param $touserid
* @param $content
* @param $format
* @param bool $public
* @return mixed
*/
function qa_db_message_create($fromuserid, $touserid, $content, $format, $public = false)
{
qa_db_query_sub(
'INSERT INTO ^messages (type, fromuserid, touserid, content, format, created) VALUES ($, #, #, $, $, NOW())',
$public ? 'PUBLIC' : 'PRIVATE', $fromuserid, $touserid, $content, $format
);
return qa_db_last_insert_id();
}
/**
* Hide the message with $messageid, in $box (inbox|outbox) from the user.
* @param $messageid
* @param $box
*/
function qa_db_message_user_hide($messageid, $box)
{
$field = ($box === 'inbox' ? 'tohidden' : 'fromhidden');
qa_db_query_sub(
"UPDATE ^messages SET $field=1 WHERE messageid=#",
$messageid
);
}
/**
* Delete the message with $messageid from the database.
* @param $messageid
* @param bool $public
*/
function qa_db_message_delete($messageid, $public = true)
{
// delete PM only if both sender and receiver have hidden it
$clause = $public ? '' : ' AND fromhidden=1 AND tohidden=1';
qa_db_query_sub(
'DELETE FROM ^messages WHERE messageid=#' . $clause,
$messageid
);
}
/**
* Recalculate the cached count of wall posts for user $userid in the database
* @param $userid
*/
function qa_db_user_recount_posts($userid)
{
if (qa_should_update_counts()) {
qa_db_query_sub(
"UPDATE ^users AS x, (SELECT COUNT(*) AS wallposts FROM ^messages WHERE touserid=# AND type='PUBLIC') AS a SET x.wallposts=a.wallposts WHERE x.userid=#",
$userid, $userid
);
}
}