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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Internal library of functions for module sqlbox
*
* All the sqlbox specific functions, needed to implement the module
* logic, should go here. Never include this file from your lib.php!
*
* @package mod
* @subpackage sqlbox
* @copyright 2012 Jan Klemkow, Benjamin Franzke
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Does something really useful with the passed things
*
* @param array $things
* @return object
*/
//function sqlbox_do_something_useful(array $things) {
// return new stdClass();
//}
function db_table_from_query($db, $query) {
global $PAGE;
$table = new html_table;
$result = @pg_query($db, $query);
if (!$result)
print_error('queryfailed', 'sqlbox', $PAGE->url, pg_last_error($db));
$table = new html_table;
$n = pg_num_fields($result);
for ($i = 0; $i < $n; $i++)
$table->head[] = pg_field_name($result, $i);
$table->align = array_fill(0, $n, 'left');
while ($row = pg_fetch_row($result))
$table->data[] = $row;
return $table;
}
function sqlbox_submit_response($query, $sqlbox, $correct, $userid) {
global $DB, $CFG;
// TODO: Add timemodified
//
$current = $DB->get_record('sqlbox_solutions', array('sqlboxid' => $sqlbox->id, 'userid' => $userid));
if ($current) {
$newsolution = $current;
} else {
$newsolution = new stdClass();
$newsolution->userid = $userid;
$newsolution->sqlboxid = $sqlbox->id;
}
$newsolution->query = $query;
$newsolution->correct = $correct;
if ($current)
$DB->update_record("sqlbox_solutions", $newsolution);
else
$DB->insert_record("sqlbox_solutions", $newsolution);
}
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