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block_export_quiz.php
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block_export_quiz.php
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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/>.
/**
* This file contains the Export Quiz Block.
*
* @package block_export_quiz
* @copyright 2019 onwards Ashish Pawar (github : CustomAP)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
use block_export_quiz\form\block_export_quiz_form;
require_once($CFG->libdir . '/questionlib.php');
require_once($CFG->libdir . '/accesslib.php');
/**
* export quiz bootstrap class, which initialise plugin features
*/
class block_export_quiz extends block_base{
/**
* Initialise the block.
*/
public function init() {
$this->title = get_string('pluginname', 'block_export_quiz');
}
/**
* Should be only visible in a particular course and in the quiz modules.
*/
public function applicable_formats() {
return array ('course-view' => true, 'mod-quiz' => true);
}
/**
* This method returns the value of $this->content_type, and is the preferred way of accessing that variable.
*/
public function get_content_type() {
return BLOCK_TYPE_TEXT;
}
/**
* Return the content of this block.
*
* @return stdClass the content
*/
public function get_content() {
global $COURSE, $DB, $OUTPUT;
// Check if user have the required permission to export.
if (!has_capability('block/export_quiz:view', CONTEXT_COURSE::instance($COURSE->id))) {
return null;
}
if ($this->content !== null) {
return $this->content;
}
$this->content = new stdClass;
$this->content->text = '';
$courseid = $this->page->course->id;
$quiztags = array();
// Adding quiz names and corresponding urls created in $quiztags array.
$quizes = get_fast_modinfo($this->page->course)->instances['quiz'];
foreach ($quizes as $quiz) {
// Check if the Quiz is visible to the user only then display it.
// Teacher can choose to hide the quiz from the students in that case it should not be visible to students.
if (!$quiz->uservisible) {
continue;
}
$pageurl = new moodle_url('/blocks/export_quiz/export.php',
array('courseid' => $COURSE->id,
'id' => $quiz->instance,
'sesskey' => sesskey()));
$quiztags[(string)$pageurl] = $quiz->name;
}
// Export form.
$exportquizform = new block_export_quiz_form((string)$this->page->url, array('quiz' => $quiztags));
$exportquizform->set_data('');
$content = [
'form' => $exportquizform->render(),
];
$this->content->text = $OUTPUT->render_from_template('block_export_quiz/blockexportquiz', $content);
if ($exportquizform->is_cancelled()) {
// Do nothing.
die();
} else if ($mform = $exportquizform->get_data()) {
$url = new moodle_url($mform->quiz, array('format' => $mform->format));
// Don't allow force download for behat site, as pop-up can't be handled by selenium.
if (!defined('BEHAT_SITE_RUNNING')) {
$this->page->requires->js_function_call('document.location.replace', array($url->out(false)), false, 1);
}
}
return $this->content;
}
}