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edit_rest.php
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edit_rest.php
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<?php
// This file is part of mod_offlinequiz for 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/>.
/**
* Rest endpoint for ajax editing of offline quiz structure.
*
* @package mod_offlinequiz
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
if (!defined('AJAX_SCRIPT')) {
define('AJAX_SCRIPT', true);
}
require_once(__DIR__ . '/../../config.php');
require_once($CFG->dirroot . '/mod/offlinequiz/locallib.php');
require_once($CFG->dirroot . '/mod/offlinequiz/offlinequiz.class.php');
// Initialise ALL the incoming parameters here, up front.
$offlinequizid = required_param('offlinequizid', PARAM_INT);
$offlinegroupid = required_param('offlinegroupid', PARAM_INT);
$class = required_param('class', PARAM_ALPHA);
$field = optional_param('field', '', PARAM_ALPHA);
$instanceid = optional_param('instanceId', 0, PARAM_INT);
$sectionid = optional_param('sectionId', 0, PARAM_INT);
$previousid = optional_param('previousid', 0, PARAM_INT);
$value = optional_param('value', 0, PARAM_INT);
$column = optional_param('column', 0, PARAM_ALPHA);
$id = optional_param('id', 0, PARAM_INT);
$summary = optional_param('summary', '', PARAM_RAW);
$sequence = optional_param('sequence', '', PARAM_SEQUENCE);
$visible = optional_param('visible', 0, PARAM_INT);
$pageaction = optional_param('action', '', PARAM_ALPHA); // Used to simulate a DELETE command.
$maxmark = optional_param('maxmark', '', PARAM_RAW);
$page = optional_param('page', '', PARAM_INT);
$PAGE->set_url('/mod/offlinequiz/edit-rest.php',
array('offlinequizid' => $offlinequizid, 'class' => $class));
require_sesskey();
$offlinequiz = $DB->get_record('offlinequiz', array('id' => $offlinequizid), '*', MUST_EXIST);
if ($offlinequizgroup = $DB->get_record('offlinequiz_groups', array('id' => $offlinegroupid))){
$offlinequiz->groupid = $offlinequizgroup->id;
} else {
print_error('invalidgroupnumber', 'offlinequiz');
}
$cm = get_coursemodule_from_instance('offlinequiz', $offlinequiz->id, $offlinequiz->course);
$course = $DB->get_record('course', array('id' => $offlinequiz->course), '*', MUST_EXIST);
require_login($course, false, $cm);
$offlinequizobj = new offlinequiz($offlinequiz, $cm, $course);
$structure = $offlinequizobj->get_structure();
$modcontext = context_module::instance($cm->id);
echo $OUTPUT->header(); // Send headers.
// OK, now let's process the parameters and do stuff
// MDL-10221 the DELETE method is not allowed on some web servers,
// so we simulate it with the action URL param.
$requestmethod = $_SERVER['REQUEST_METHOD'];
if ($pageaction == 'DELETE') {
$requestmethod = 'DELETE';
}
switch($requestmethod) {
case 'POST':
case 'GET': // For debugging.
switch ($class) {
case 'section':
break;
case 'resource':
switch ($field) {
case 'move':
require_capability('mod/offlinequiz:manage', $modcontext);
offlinequiz_delete_template_usages($offlinequiz);
$structure->move_slot($id, $previousid, $page);
echo json_encode(array('visible' => true));
break;
case 'getmaxmark':
require_capability('mod/offlinequiz:manage', $modcontext);
$slot = $DB->get_record('offlinequiz_group_questions', array('id' => $id), '*', MUST_EXIST);
echo json_encode(array('instancemaxmark' =>
offlinequiz_format_question_grade($offlinequiz, $slot->maxmark)));
break;
case 'updatemaxmark':
require_capability('mod/offlinequiz:manage', $modcontext);
$slot = $structure->get_slot_by_id($id);
if (!is_numeric(str_replace(',', '.', $maxmark))) {
echo json_encode(array('instancemaxmark' => offlinequiz_format_question_grade($offlinequiz, $slot->maxmark),
'newsummarks' => offlinequiz_format_grade($offlinequiz, $offlinequiz->sumgrades)));
break;
}
if ($structure->update_slot_maxmark($slot, $maxmark)) {
// Recalculate the sumgrades for all groups
if ($groups = $DB->get_records('offlinequiz_groups', array('offlinequizid' => $offlinequiz->id), 'number',
'*', 0, $offlinequiz->numgroups)) {
foreach ($groups as $group) {
$sumgrade = offlinequiz_update_sumgrades($offlinequiz, $group->id);
}
}
// Grade has really changed.
//$offlinequiz->sumgrades = offlinequiz_update_sumgrades($offlinequiz);
offlinequiz_update_question_instance($offlinequiz, $slot->questionid, unformat_float($maxmark));
offlinequiz_update_all_attempt_sumgrades($offlinequiz);
//offlinequiz_update_all_final_grades($offlinequiz);
offlinequiz_update_grades($offlinequiz, 0, true);
}
$newsummarks = $DB->get_field('offlinequiz_groups', 'sumgrades', array('id' => $offlinequizgroup->id));
echo json_encode(array('instancemaxmark' => offlinequiz_format_question_grade($offlinequiz, $slot->maxmark),
'newsummarks' => format_float($newsummarks, $offlinequiz->decimalpoints)));
break;
case 'updatepagebreak':
require_capability('mod/offlinequiz:manage', $modcontext);
offlinequiz_delete_template_usages($offlinequiz);
$slots = $structure->update_page_break($offlinequiz, $id, $value);
$json = array();
foreach ($slots as $slot) {
$json[$slot->slot] = array('id' => $slot->id, 'slot' => $slot->slot,
'page' => $slot->page);
}
echo json_encode(array('slots' => $json));
break;
}
break;
case 'course':
break;
}
break;
case 'DELETE':
switch ($class) {
case 'resource':
require_capability('mod/offlinequiz:manage', $modcontext);
if (!$slot = $DB->get_record('offlinequiz_group_questions',
array('offlinequizid' => $offlinequiz->id, 'id' => $id))) {
throw new moodle_exception('AJAX commands.php: Bad slot ID '.$id);
}
$structure->remove_slot($offlinequiz, $slot->slot);
offlinequiz_delete_template_usages($offlinequiz);
offlinequiz_update_sumgrades($offlinequiz);
echo json_encode(array('newsummarks' => offlinequiz_format_grade($offlinequiz, $offlinequiz->sumgrades),
'deleted' => true, 'newnumquestions' => $structure->get_question_count()));
break;
}
break;
}