mirror of
https://github.com/PlagiarismCheck/moodle-plagiarism_pchkorg.git
synced 2024-12-22 12:10:08 +00:00
1d568254bf
With this plugin's "Enable plugin" setting set to No, editing an activity's settings resulted in the error "Coding error detected, it must be fixed by a programmer: The 'name' value must be set in other.".
1347 lines
53 KiB
PHP
1347 lines
53 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package plagiarism_pchkorg
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* @category plagiarism
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* @copyright PlagiarismCheck.org, https://plagiarismcheck.org/
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->dirroot . '/plagiarism/lib.php');
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require_once($CFG->libdir . '/filelib.php');
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require_once($CFG->libdir . '/accesslib.php');
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require_once(__DIR__ . '/classes/plagiarism_pchkorg_config_model.php');
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require_once(__DIR__ . '/classes/plagiarism_pchkorg_api_provider.php');
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require_once(__DIR__ . '/classes/permissions/capability.class.php');
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use plagiarism_pchkorg\classes\permissions\capability;
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function pchkorg_check_pchkorg_min_percent($value)
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{
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return 0 <= $value && $value < 100;
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}
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function plagiarism_pchkorg_coursemodule_standard_elements($formwrapper, $mform)
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{
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$context = context_course::instance($formwrapper->get_course()->id);
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$modulename = $formwrapper->get_current()->modulename;
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$allowedmodules = array('assign', 'mod_assign');
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if (!$context || !isset($modulename)) {
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return;
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}
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global $DB;
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$pchkorgconfigmodel = new plagiarism_pchkorg_config_model();
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$config = $pchkorgconfigmodel->get_system_config('pchkorg_use');
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$enabled = has_capability(capability::ENABLE, $context);
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if ( '1' === $pchkorgconfigmodel->get_system_config('pchkorg_enable_quiz')) {
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$allowedmodules[] = 'quiz';
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}
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if ( '1' === $pchkorgconfigmodel->get_system_config('pchkorg_enable_forum')) {
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$allowedmodules[] = 'forum';
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}
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if ('1' == $config && $enabled) {
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if (!in_array($modulename, $allowedmodules, true)) {
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return;
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}
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$defaultcmid = null;
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$cm = optional_param('update', $defaultcmid, PARAM_INT);
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$minpercent = $pchkorgconfigmodel->get_system_config('pchkorg_min_percent');
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$exportedvalues = $mform->exportValues([]);
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if (!is_array($exportedvalues)) {
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$exportedvalues = array();
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}
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if (!isset($exportedvalues['pchkorg_exclude_self_plagiarism'])
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|| is_null($exportedvalues['pchkorg_exclude_self_plagiarism'])) {
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$mform->setDefault('pchkorg_exclude_self_plagiarism', 1);
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}
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if (!isset($exportedvalues['pchkorg_include_referenced'])
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|| is_null($exportedvalues['pchkorg_include_referenced'])) {
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$mform->setDefault('pchkorg_include_referenced', 0);
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}
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if (!isset($exportedvalues['pchkorg_include_citation'])
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|| is_null($exportedvalues['pchkorg_include_citation'])) {
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$mform->setDefault('pchkorg_include_citation', 0);
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}
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if (!isset($exportedvalues['pchkorg_student_can_see_report']) || is_null(
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$exportedvalues['pchkorg_student_can_see_report']
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)) {
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$mform->setDefault('pchkorg_student_can_see_report', 1);
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}
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if (!isset($exportedvalues['pchkorg_student_can_see_widget']) || is_null(
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$exportedvalues['pchkorg_student_can_see_widget']
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)) {
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$mform->setDefault('pchkorg_student_can_see_widget', 1);
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}
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if (null === $cm) {
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if (!isset($exportedvalues['pchkorg_module_use'])
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|| is_null($exportedvalues['pchkorg_module_use'])) {
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$mform->setDefault('pchkorg_module_use', '1');
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}
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} else {
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$records = $DB->get_records('plagiarism_pchkorg_config', array(
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'cm' => $cm,
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));
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if (!empty($records)) {
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foreach ($records as $record) {
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$mform->setDefault($record->name, $record->value);
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}
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}
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}
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$mform->addElement(
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'header',
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'plagiarism_pchkorg',
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get_string('pluginname', 'plagiarism_pchkorg')
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);
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$mform->addElement(
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'select',
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'pchkorg_module_use',
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get_string('pchkorg_module_use', 'plagiarism_pchkorg'),
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array(get_string('no'), get_string('yes'))
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);
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$mform->addHelpButton('pchkorg_module_use', 'pchkorg_module_use', 'plagiarism_pchkorg');
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$canchangeminpercent = has_capability(capability::CHANGE_MIN_PERCENT_FILTER, $context);
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if ($canchangeminpercent) {
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$dissabledattribute = '';
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} else {
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$dissabledattribute = 'disabled="disabled"';
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}
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$mform->registerRule(
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'check_pchkorg_min_percent',
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'callback',
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'pchkorg_check_pchkorg_min_percent'
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);
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$label = get_string('pchkorg_min_percent', 'plagiarism_pchkorg');
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if (!empty($minpercent)) {
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$label = \str_replace('X%', $minpercent . '%', $label);
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}
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$mform->addElement(
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'text',
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'pchkorg_min_percent',
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$label,
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$dissabledattribute
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);
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$mform->addHelpButton('pchkorg_min_percent', 'pchkorg_min_percent', 'plagiarism_pchkorg');
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$mform->addRule(
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'pchkorg_min_percent',
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get_string('pchkorg_min_percent_range', 'plagiarism_pchkorg'),
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'check_pchkorg_min_percent'
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);
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$mform->setType('pchkorg_min_percent', PARAM_INT);
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$mform->addElement(
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'select',
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'pchkorg_exclude_self_plagiarism',
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get_string('pchkorg_exclude_self_plagiarism', 'plagiarism_pchkorg'),
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array(get_string('no'), get_string('yes'))
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);
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$mform->addElement(
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'select',
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'pchkorg_include_referenced',
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get_string('pchkorg_include_referenced', 'plagiarism_pchkorg'),
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array(get_string('no'), get_string('yes'))
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);
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$mform->addElement(
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'select',
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'pchkorg_include_citation',
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get_string('pchkorg_include_citation', 'plagiarism_pchkorg'),
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array(get_string('no'), get_string('yes'))
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);
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$mform->addElement(
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'select',
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'pchkorg_student_can_see_widget',
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get_string('pchkorg_student_can_see_widget', 'plagiarism_pchkorg'),
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array(get_string('no'), get_string('yes'))
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);
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$mform->addElement(
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'select',
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'pchkorg_student_can_see_report',
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get_string('pchkorg_student_can_see_report', 'plagiarism_pchkorg'),
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array(get_string('no'), get_string('yes'))
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);
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}
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}
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function plagiarism_pchkorg_coursemodule_edit_post_actions($data, $course)
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{
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global $DB;
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$pchkorgconfigmodel = new plagiarism_pchkorg_config_model();
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$config = $pchkorgconfigmodel->get_system_config('pchkorg_use');
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if ('1' != $config) {
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return $data;
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}
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$fields = array(
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'pchkorg_module_use',
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'pchkorg_min_percent',
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'pchkorg_include_citation',
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'pchkorg_include_referenced',
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'pchkorg_exclude_self_plagiarism',
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'pchkorg_student_can_see_widget',
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'pchkorg_student_can_see_report'
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);
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$records = $DB->get_records('plagiarism_pchkorg_config', array(
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'cm' => $data->coursemodule
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));
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$context = context_module::instance($data->coursemodule);
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$canchangeminpercent = has_capability(capability::CHANGE_MIN_PERCENT_FILTER, $context);
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foreach ($fields as $field) {
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$isfounded = false;
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foreach ($records as $record) {
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if ($record->name === $field) {
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$isfounded = true;
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if ($field === 'pchkorg_min_percent' && !$canchangeminpercent) {
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$DB->delete_records('plagiarism_pchkorg_config', array('id' => $record->id));
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break;
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}
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if ($field === 'pchkorg_min_percent' && 0 == $data->{$record->name}) {
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$DB->delete_records('plagiarism_pchkorg_config', array('id' => $record->id));
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break;
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}
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$record->value = $data->{$record->name};
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$DB->update_record('plagiarism_pchkorg_config', $record);
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break;
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}
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}
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if (!$isfounded && isset($data->{$field})) {
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if ($field === 'pchkorg_min_percent' && !$canchangeminpercent) {
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continue;
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}
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if ($field === 'pchkorg_min_percent' && 0 == $data->{$field}) {
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continue;
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}
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$insert = new \stdClass();
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$insert->cm = $data->coursemodule;
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$insert->name = $field;
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$insert->value = $data->{$field};
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$DB->insert_record('plagiarism_pchkorg_config', $insert);
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}
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}
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return $data;
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}
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/**
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* Class plagiarism_plugin_pchkorg
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*/
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class plagiarism_plugin_pchkorg extends plagiarism_plugin {
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/**
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* hook to allow plagiarism specific information to be displayed beside a submission.
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*
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* @param array $linkarraycontains all relevant information for the plugin to generate a link
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* @return string
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*
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*/
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public function get_links($linkarray) {
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global $DB, $USER, $PAGE;
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$pchkorgconfigmodel = new plagiarism_pchkorg_config_model();
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$apitoken = $pchkorgconfigmodel->get_system_config('pchkorg_token');
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$isdebugenabled = $pchkorgconfigmodel->get_system_config('pchkorg_enable_debug') === '1';
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$apiprovider = new plagiarism_pchkorg_api_provider($apitoken);
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$cmid = $linkarray['cmid'];
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if (array_key_exists('file', $linkarray)) {
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$file = $linkarray['file'];
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} else {
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// Online text submission.
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$file = null;
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}
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// We can do nothing with submissions which we can not handle.
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if (null !== $file && !$apiprovider->is_supported_mime($file->get_mimetype())) {
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return $this->exit_message(
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sprintf(
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'%s (%s)',
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get_string('pchkorg_debug_mime', 'plagiarism_pchkorg'),
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$file->get_mimetype()),
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$isdebugenabled
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);
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}
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// SQL will be called only once, result is static.
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$config = $pchkorgconfigmodel->get_system_config('pchkorg_use');
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if ('1' !== $config) {
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return $this->exit_message(
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get_string('pchkorg_debug_disabled', 'plagiarism_pchkorg'),
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$isdebugenabled
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);
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}
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$context = null;
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$component = !empty($linkarray['component']) ? $linkarray['component'] : '';
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if ($cmid === null && $component == 'qtype_essay' && !empty($linkarray['area'])) {
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$questions = question_engine::load_questions_usage_by_activity($linkarray['area']);
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$context = $questions->get_owning_context();
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if ($cmid === null && $context->contextlevel == CONTEXT_MODULE) {
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$cmid = $context->instanceid;
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}
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}
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if (!empty($cmid)) {
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$context = context_module::instance($cmid);// Get context of course.
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}
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if (empty($context)) {
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return $this->exit_message(
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get_string('pchkorg_debug_empty_context', 'plagiarism_pchkorg'),
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$isdebugenabled
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);
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}
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$roleDatas = get_user_roles($context, $USER->id, true);
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$roles = [];
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foreach ($roleDatas as $rolesData) {
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$roles[] = strtolower($rolesData->shortname);
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}
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// Moodle has multiple roles in courses.
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$isstudent = in_array('student', $roles)
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&& !in_array('teacher', $roles)
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&& !in_array('editingteacher', $roles)
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&& !in_array('managerteacher', $roles);
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$canview = has_capability(capability::VIEW_SIMILARITY, $context);
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$pchkorgconfigmodel->show_widget_for_student($cmid);
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if (!$canview) {
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return $this->exit_message(
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get_string('pchkorg_debug_user_has_no_permission', 'plagiarism_pchkorg'),
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$isdebugenabled
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);
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}
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// SQL will be called only once per page. There is static result inside.
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if (!$pchkorgconfigmodel->is_enabled_for_module($cmid)) {
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return $this->exit_message(
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get_string('pchkorg_debug_disabled_acitivity', 'plagiarism_pchkorg'),
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$isdebugenabled
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);
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}
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// Widget for student is disabled.
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if ($isstudent && $pchkorgconfigmodel->show_widget_for_student($cmid) === false) {
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return $this->exit_message(
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get_string('pchkorg_debug_student_not_allowed_see_widget', 'plagiarism_pchkorg'),
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$isdebugenabled
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);
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}
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$isreportallowed = !$isstudent || $pchkorgconfigmodel->show_report_for_student($cmid) === true;
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// Only for some type of account, method will call a remote HTTP API.
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// The API will be called only once, because result is static.
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// Also, there is timeout 2 seconds for response.
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// Even if service will be unavailable, method will try call API only once.
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// Also, we don't use raw user email.
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if (!$apiprovider->is_group_member($USER->email)) {
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return $this->exit_message(
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sprintf(
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'%s (%s)',
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get_string('pchkorg_debug_not_member', 'plagiarism_pchkorg'),
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$USER->email),
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$isdebugenabled
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);
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}
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$isgranted = !empty($context) && has_capability('mod/assign:view', $context, null);
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if (!$isgranted) {
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return $this->exit_message(
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sprintf(
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'%s (%s)',
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get_string('pchkorg_debug_user_has_no_capability', 'plagiarism_pchkorg'),
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'mod/assign:view'),
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$isdebugenabled
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);
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}
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$where = new \stdClass();
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$where->cm = $cmid;
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if ($file === null) {
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$where->signature = sha1($linkarray['content']);
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$where->fileid = null;
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} else {
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$where->fileid = $file->get_id();
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}
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$filerecords = $DB->get_records('plagiarism_pchkorg_files', (array) $where,
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'id', '*', 0, 1);
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if (!$filerecords && $file === null) {
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$where->signature = sha1(trim(strip_tags($linkarray['content'])));
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$where->fileid = null;
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$filerecords = $DB->get_records('plagiarism_pchkorg_files', (array) $where,
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'id', '*', 0, 1);
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}
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if ($filerecords) {
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$filerecord = end($filerecords);
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$img = new moodle_url('/plagiarism/pchkorg/pix/icon.png');
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$imgsrc = $img->__toString();
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// Text had been successfully checked.
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if ($filerecord->state == 5) {
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$action = $apiprovider->get_report_action($filerecord->textid);
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$reporttoken = $apiprovider->generate_api_token();
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$score = $filerecord->score;
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$title = sprintf(get_string('pchkorg_label_title', 'plagiarism_pchkorg'),
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$filerecord->textid,
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$score);
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$label = sprintf(get_string('pchkorg_label_result', 'plagiarism_pchkorg'), $filerecord->textid, $score);
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if ($score < 30) {
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$color = '#63ec80a1';
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} else if (30 < $score && $score < 60) {
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$color = '#f7b011';
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} else {
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$color = '#f04343';
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}
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$jsdata = array(
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'id' => $filerecord->id,
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'title' => $title,
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'action' => $action,
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'token' => $reporttoken,
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'image' => $imgsrc,
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'label' => $label,
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'color' => $color,
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'isreportallowed' => $isreportallowed,
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);
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static $isjsfuncinjected = false;
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if (!$isjsfuncinjected) {
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$isjsfuncinjected = true;
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$PAGE->requires->js_amd_inline(
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"
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window.plagiarism_check_data = [];
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window.plagiarism_check_full_report = function (action, token) {
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const form = document.createElement('form');
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const element1 = document.createElement('input');
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const element2 = document.createElement('input');
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form.method = 'POST';
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form.target = '_blank';
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form.action = action;
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element1.value = 'moodle';
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element1.name = 'lms-type';
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element1.type = 'hidden';
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form.appendChild(element1);
|
|
|
|
element2.value = token;
|
|
element2.name = 'token';
|
|
element2.type = 'hidden';
|
|
form.appendChild(element2);
|
|
|
|
document.body.appendChild(form);
|
|
|
|
form.submit();
|
|
};
|
|
|
|
require(['jquery'], function ($) {
|
|
$(function () {
|
|
var spans = window.document.getElementsByClassName('plagiarism-pchkorg-widget');
|
|
for (var s in spans) {
|
|
var span = spans[s];
|
|
if (span) {
|
|
for (var c in span.classList) {
|
|
var classname = span.classList[c];
|
|
if (classname && classname.includes('plagiarism-pchkorg-widget-id-')) {
|
|
var id = classname.replace('plagiarism-pchkorg-widget-id-', '');
|
|
if (id) {
|
|
for (var d in window.plagiarism_check_data) {
|
|
var data = window.plagiarism_check_data[d];
|
|
if (data && data.id == id) {
|
|
var a = document.createElement('a');
|
|
a.setAttribute('href', '#');
|
|
a.setAttribute('title', data.title);
|
|
a.setAttribute('data-id', data.id);
|
|
a.style.padding = '5px 3px';
|
|
a.style.textDecoration = 'none';
|
|
a.style.backgroundColor = data.color;
|
|
a.style.color = 'black';
|
|
a.style.cursor = 'pointer';
|
|
a.style.borderRadius = '3px 3px 3px 3px';
|
|
a.style.margin = '4px';
|
|
a.style.display = 'inline-block';
|
|
var label = document.createTextNode(data.label);
|
|
var img = document.createElement('img');
|
|
img.setAttribute('alt', 'PlagiarismCheck.org');
|
|
img.setAttribute('src', data.image);
|
|
img.setAttribute('width', '20');
|
|
a.appendChild(img);
|
|
a.appendChild(label);
|
|
span.appendChild(a);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$(window.document.body).on('click', '.plagiarism-pchkorg-widget', function(e) {
|
|
var id = $(e.target).closest('a').attr('data-id')
|
|
if (id) {
|
|
for (var d in window.plagiarism_check_data) {
|
|
var data = window.plagiarism_check_data[d];
|
|
if (data && data.id == id && data.isreportallowed) {
|
|
window.plagiarism_check_full_report(data.action, data.token);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
})
|
|
});
|
|
});
|
|
"
|
|
);
|
|
}
|
|
|
|
$PAGE->requires->js_amd_inline("window.plagiarism_check_data.push(".json_encode($jsdata).")");
|
|
|
|
|
|
return '
|
|
<span class="plagiarism-pchkorg-widget plagiarism-pchkorg-widget-id-'.$filerecord->id.'"></span>';
|
|
} else if ($filerecord->state == 10) {
|
|
$label = get_string('pchkorg_label_queued', 'plagiarism_pchkorg');
|
|
return '
|
|
<span style="padding: 5px 3px;
|
|
text-decoration: none;
|
|
background-color: #eeeded;
|
|
color: black;
|
|
border-radius: 3px 3px 3px 3px;
|
|
margin: 4px;
|
|
display: inline-block;"
|
|
href="#" class="plagiarism_pchkorg_report_id_score">
|
|
<img src="' . $imgsrc . '" alt="logo" width="20" />
|
|
' . $label . '
|
|
</span>';
|
|
} else if ($filerecord->state == 12) {
|
|
$label = sprintf(get_string('pchkorg_label_sent', 'plagiarism_pchkorg'), $filerecord->textid);
|
|
return '
|
|
<span style="padding: 5px 3px;
|
|
text-decoration: none;
|
|
background-color: #eeeded;
|
|
color: black;
|
|
border-radius: 3px 3px 3px 3px;
|
|
margin: 4px;
|
|
display: inline-block;"
|
|
href="#" class="plagiarism_pchkorg_report_id_score">
|
|
<img src="' . $imgsrc . '" alt="logo" width="20" />
|
|
' . $label . '
|
|
</span>';
|
|
} else {
|
|
return $this->exit_message(
|
|
sprintf(
|
|
'%s (%s)',
|
|
get_string('pchkorg_debug_status_error', 'plagiarism_pchkorg'),
|
|
$filerecord->state),
|
|
$isdebugenabled
|
|
);
|
|
}
|
|
}
|
|
|
|
return $this->exit_message(
|
|
sprintf(
|
|
'%s (%s)',
|
|
get_string('pchkorg_debug_no_check', 'plagiarism_pchkorg'),
|
|
$cmid),
|
|
$isdebugenabled
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Render message with reason why do we stop plugin.
|
|
*
|
|
* @param string $message - exit message
|
|
* @param bool $debug - is debug enabled.
|
|
* @return string
|
|
*/
|
|
private function exit_message($message, $debug) {
|
|
if ($debug) {
|
|
return $message;
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* hook to save plagiarism specific settings on a module settings page
|
|
*
|
|
* @param object $data - data from an mform submission.
|
|
* @throws dml_exception
|
|
*/
|
|
public function save_form_elements($data) {
|
|
return plagiarism_pchkorg_coursemodule_edit_post_actions($data, null);
|
|
}
|
|
|
|
/**
|
|
* hook to allow a disclosure to be printed notifying users what will happen with their submission.
|
|
*
|
|
* @param int $cmid - course module id
|
|
* @return string
|
|
*/
|
|
public function print_disclosure($cmid) {
|
|
global $OUTPUT;
|
|
|
|
if (empty($cmid)) {
|
|
return '';
|
|
}
|
|
// Get course details.
|
|
$cm = get_coursemodule_from_id('', $cmid);
|
|
if (!$cm) {
|
|
return '';
|
|
}
|
|
|
|
$configmodel = new plagiarism_pchkorg_config_model();
|
|
$enabled = $configmodel->get_system_config('pchkorg_use');
|
|
if ($enabled !== '1') {
|
|
return '';
|
|
}
|
|
$modulename = $cm->modname;
|
|
$allowedmodules = array('assign', 'mod_assign');
|
|
if ($configmodel->get_system_config('pchkorg_enable_quiz')) {
|
|
$allowedmodules[] = 'quiz';
|
|
}
|
|
if ($configmodel->get_system_config('pchkorg_enable_forum')) {
|
|
$allowedmodules[] = 'forum';
|
|
}
|
|
if (!in_array($modulename, $allowedmodules, true)) {
|
|
return '';
|
|
}
|
|
|
|
if (!$configmodel->is_enabled_for_module($cmid)) {
|
|
return '';
|
|
}
|
|
|
|
$result = '';
|
|
|
|
$result .= $OUTPUT->box_start('generalbox boxaligncenter', 'intro');
|
|
|
|
$formatoptions = new stdClass;
|
|
$formatoptions->noclean = true;
|
|
$formatoptions->cmid = $cmid;
|
|
|
|
$result .= '<div style="background-color: #d5ffd5; padding: 10px; border: 1px solid #b7dab7">';
|
|
$result .= format_text(get_string('pchkorg_disclosure', 'plagiarism_pchkorg'), FORMAT_MOODLE, $formatoptions);
|
|
$result .= '</div>';
|
|
$result .= $OUTPUT->box_end();
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Method will handle event assessable_uploaded.
|
|
*
|
|
* @param $eventdata
|
|
* @return bool
|
|
* @throws coding_exception
|
|
* @throws dml_exception
|
|
*/
|
|
public function event_handler($eventdata) {
|
|
global $USER, $DB;
|
|
|
|
$modulename = $eventdata['other']['modulename'];
|
|
$allowedmodules = array('assign', 'mod_assign');
|
|
// We support only assign module so just ignore all other.
|
|
$pchkorgconfigmodel = new plagiarism_pchkorg_config_model();
|
|
// Token is needed for API auth.
|
|
$apitoken = $pchkorgconfigmodel->get_system_config('pchkorg_token');
|
|
$apiprovider = new plagiarism_pchkorg_api_provider($apitoken);
|
|
// SQL will be called only once, result is static.
|
|
$config = $pchkorgconfigmodel->get_system_config('pchkorg_use');
|
|
if ('1' !== $config) {
|
|
return true;
|
|
}
|
|
if ('1' === $pchkorgconfigmodel->get_system_config('pchkorg_enable_quiz')) {
|
|
$allowedmodules[] = 'quiz';
|
|
}
|
|
if ('1' === $pchkorgconfigmodel->get_system_config('pchkorg_enable_forum')) {
|
|
$allowedmodules[] = 'forum';
|
|
}
|
|
if (!in_array($modulename, $allowedmodules, true)) {
|
|
return true;
|
|
}
|
|
|
|
// Receive couser moudle id.
|
|
$cmid = $eventdata['contextinstanceid'];
|
|
// Remove the event if the course module no longer exists.
|
|
$cm = get_coursemodule_from_id($eventdata['other']['modulename'], $cmid);
|
|
|
|
if (!$cm) {
|
|
return true;
|
|
}
|
|
|
|
// SQL will be called only once per page. There is static result inside.
|
|
// Plugin is enabled for this module.
|
|
if (!$pchkorgconfigmodel->is_enabled_for_module($cm->id)) {
|
|
return true;
|
|
}
|
|
|
|
// Only for some type of account, method will call a remote HTTP API.
|
|
// The API will be called only once, because result is static.
|
|
// Also, there is timeout 2 seconds for response.
|
|
// Even if service is unavailable, method will try call only once.
|
|
// Also, we don't use raw users email.
|
|
if (!$apiprovider->is_group_member($USER->email)) {
|
|
return true;
|
|
}
|
|
|
|
// Set the author and submitter.
|
|
$submitter = $eventdata['userid'];
|
|
$author = (!empty($eventdata['relateduserid'])) ? $eventdata['relateduserid'] : $eventdata['userid'];
|
|
|
|
// Related user ID will be NULL if an instructor submits on behalf of a student who is in a group.
|
|
// To get around this, we get the group ID, get the group members and set the author as the first student in the group.
|
|
if ((empty($eventdata['relateduserid'])) && ($eventdata['other']['modulename'] == 'assign')
|
|
&& has_capability('mod/assign:editothersubmission', context_module::instance($cm->id), $submitter)) {
|
|
$moodlesubmission = $DB->get_record('assign_submission', array('id' => $eventdata['objectid']), 'id, groupid');
|
|
if (!empty($moodlesubmission->groupid)) {
|
|
$author = $this->get_first_group_author($cm->course, $moodlesubmission->groupid);
|
|
}
|
|
}
|
|
|
|
if ($eventdata['other']['modulename'] === 'forum'
|
|
&& $eventdata['eventtype'] === 'forum_attachment') {
|
|
if (!empty($eventdata['other']['content'])) {
|
|
$content = trim(strip_tags($eventdata['other']['content']));
|
|
if (strlen($content) > 80) {
|
|
$signature = sha1($content);
|
|
$filesconditions = array(
|
|
'signature' => $signature,
|
|
'cm' => $cmid,
|
|
'userid' => $USER->id,
|
|
'itemid' => $eventdata['objectid']
|
|
);
|
|
$oldfile = $DB->get_record('plagiarism_pchkorg_files', $filesconditions);
|
|
if (!$oldfile) {
|
|
$filerecord = new \stdClass();
|
|
$filerecord->fileid = null;
|
|
$filerecord->cm = $cmid;
|
|
$filerecord->userid = $USER->id;
|
|
$filerecord->textid = null;
|
|
$filerecord->state = 10;
|
|
$filerecord->created_at = time();
|
|
$filerecord->itemid = $eventdata['objectid'];
|
|
$filerecord->signature = $signature;
|
|
|
|
$DB->insert_record('plagiarism_pchkorg_files', $filerecord);
|
|
}
|
|
}
|
|
}
|
|
if (!empty($eventdata['other']['pathnamehashes'])) {
|
|
foreach ($eventdata['other']['pathnamehashes'] as $pathnamehash) {
|
|
$file = get_file_storage()->get_file_by_hash($pathnamehash);
|
|
if (!$file) {
|
|
// We can not find file so we do not send it in queue.
|
|
continue;
|
|
} else {
|
|
try {
|
|
// Check that we can fetch content without exception.
|
|
$content = $file->get_content();
|
|
} catch (Exception $e) {
|
|
// No we can not.
|
|
continue;
|
|
}
|
|
}
|
|
if ($file->get_filename() === '.') {
|
|
continue;
|
|
}
|
|
$filemime = $file->get_mimetype();
|
|
|
|
// File type is not supported.
|
|
if (!$apiprovider->is_supported_mime($filemime)) {
|
|
continue;
|
|
}
|
|
$signature = sha1($content);
|
|
$filesconditions = array(
|
|
'fileid' => $file->get_id()
|
|
);
|
|
$oldfile = $DB->get_record('plagiarism_pchkorg_files', $filesconditions);
|
|
if (!$oldfile) {
|
|
$filerecord = new \stdClass();
|
|
$filerecord->fileid = $file->get_id();
|
|
$filerecord->cm = $cmid;
|
|
$filerecord->userid = $USER->id;
|
|
$filerecord->textid = null;
|
|
$filerecord->state = 10;
|
|
$filerecord->created_at = time();
|
|
$filerecord->itemid = $eventdata['objectid'];
|
|
$filerecord->signature = $signature;
|
|
|
|
$DB->insert_record('plagiarism_pchkorg_files', $filerecord);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
if ($eventdata['other']['modulename'] === 'quiz'
|
|
&& $eventdata['eventtype'] === 'quiz_submitted') {
|
|
|
|
$attempt = quiz_attempt::create($eventdata['objectid']);
|
|
foreach ($attempt->get_slots() as $slot) {
|
|
$questionattempt = $attempt->get_question_attempt($slot);
|
|
$qtype = $questionattempt->get_question()->qtype;
|
|
if ($qtype instanceof qtype_essay) {
|
|
$attachments = $questionattempt->get_last_qt_files('attachments', $eventdata['contextid']);
|
|
$content = $questionattempt->get_response_summary();
|
|
if (strlen($content) > 80) {
|
|
$signature = sha1($content);
|
|
$filesconditions = array(
|
|
'signature' => $signature,
|
|
'cm' => $cmid,
|
|
'userid' => $USER->id,
|
|
'itemid' => $eventdata['objectid']
|
|
);
|
|
|
|
$oldfile = $DB->get_record('plagiarism_pchkorg_files', $filesconditions);
|
|
if ($oldfile) {
|
|
// There is the same check in database, so we can skip this one.
|
|
return true;
|
|
}
|
|
|
|
$filerecord = new \stdClass();
|
|
$filerecord->fileid = null;
|
|
$filerecord->cm = $cmid;
|
|
$filerecord->userid = $USER->id;
|
|
$filerecord->textid = null;
|
|
$filerecord->state = 10;
|
|
$filerecord->created_at = time();
|
|
$filerecord->itemid = $eventdata['objectid'];
|
|
$filerecord->signature = $signature;
|
|
|
|
$DB->insert_record('plagiarism_pchkorg_files', $filerecord);
|
|
}
|
|
foreach ($attachments as $pathnamehash => $file) {
|
|
if (!$file) {
|
|
// We can not find file so we do not send it in queue.
|
|
continue;
|
|
} else {
|
|
try {
|
|
// Check that we can fetch content without exception.
|
|
$content = $file->get_content();
|
|
} catch (Exception $e) {
|
|
// No we can not.
|
|
continue;
|
|
}
|
|
}
|
|
if ($file->get_filename() === '.') {
|
|
continue;
|
|
}
|
|
$filemime = $file->get_mimetype();
|
|
|
|
// File type is not supported.
|
|
if (!$apiprovider->is_supported_mime($filemime)) {
|
|
continue;
|
|
}
|
|
$signature = sha1($content);
|
|
$filesconditions = array(
|
|
'fileid' => $file->get_id()
|
|
);
|
|
$oldfile = $DB->get_record('plagiarism_pchkorg_files', $filesconditions);
|
|
if (!$oldfile) {
|
|
$filerecord = new \stdClass();
|
|
$filerecord->fileid = $file->get_id();
|
|
$filerecord->cm = $cmid;
|
|
$filerecord->userid = $USER->id;
|
|
$filerecord->textid = null;
|
|
$filerecord->state = 10;
|
|
$filerecord->created_at = time();
|
|
$filerecord->itemid = $eventdata['objectid'];
|
|
$filerecord->signature = $signature;
|
|
|
|
$DB->insert_record('plagiarism_pchkorg_files', $filerecord);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get actual text content and files to be submitted for draft submissions.
|
|
// As this won't be present in eventdata for certain event types.
|
|
if ($eventdata['other']['modulename'] === 'assign'
|
|
&& $eventdata['eventtype'] === 'assessable_submitted') {
|
|
|
|
// Get content.
|
|
$moodlesubmission = $DB->get_record('assign_submission', array('id' => $eventdata['objectid']), 'id');
|
|
|
|
$moodletextsubmission = $DB->get_record('assignsubmission_onlinetext',
|
|
array('submission' => $moodlesubmission->id), 'onlinetext');
|
|
|
|
if ($moodletextsubmission) {
|
|
$eventdata['other']['content'] = $moodletextsubmission->onlinetext;
|
|
}
|
|
|
|
$filesconditions = array(
|
|
'component' => 'assignsubmission_file',
|
|
'itemid' => $moodlesubmission->id,
|
|
'userid' => $author
|
|
);
|
|
|
|
$moodlefiles = $DB->get_records('files', $filesconditions);
|
|
if ($moodlefiles) {
|
|
$fs = get_file_storage();
|
|
foreach ($moodlefiles as $filedb) {
|
|
$file = $fs->get_file_by_id($filedb->id);
|
|
|
|
if (!$file) {
|
|
// We can not find file so we do not send it in queue.
|
|
continue;
|
|
} else {
|
|
try {
|
|
// Check that we can fetch content without exception.
|
|
$content = $file->get_content();
|
|
} catch (Exception $e) {
|
|
// No we can not.
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ($file->get_filename() === '.') {
|
|
continue;
|
|
}
|
|
$filemime = $file->get_mimetype();
|
|
|
|
// File type is not supported.
|
|
if (!$apiprovider->is_supported_mime($filemime)) {
|
|
continue;
|
|
}
|
|
|
|
$filerecord = new \stdClass();
|
|
$filerecord->fileid = $file->get_id();
|
|
$filerecord->cm = $cmid;
|
|
$filerecord->userid = $USER->id;
|
|
$filerecord->textid = null;
|
|
$filerecord->state = 10;
|
|
$filerecord->created_at = time();
|
|
$filerecord->itemid = $eventdata['objectid'];
|
|
$filerecord->signature = sha1($content);
|
|
|
|
$DB->insert_record('plagiarism_pchkorg_files', $filerecord);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Queue text content to send to plagiarismcheck.org.
|
|
// If there was an error when creating the assignment then still queue the submission so it can be saved as failed.
|
|
if ($eventdata['other']['modulename'] === 'assign'
|
|
&& in_array($eventdata['eventtype'], array("content_uploaded", "assessable_submitted"))
|
|
&& !empty($eventdata['other']['content'])) {
|
|
|
|
$signature = sha1($eventdata['other']['content']);
|
|
|
|
$filesconditions = array(
|
|
'signature' => $signature,
|
|
'cm' => $cmid,
|
|
'userid' => $USER->id,
|
|
'itemid' => $eventdata['objectid']
|
|
);
|
|
|
|
$oldfile = $DB->get_record('plagiarism_pchkorg_files', $filesconditions);
|
|
if ($oldfile) {
|
|
// There is the same check in database, so we can skip this one.
|
|
return true;
|
|
}
|
|
|
|
$filerecord = new \stdClass();
|
|
$filerecord->fileid = null;
|
|
$filerecord->cm = $cmid;
|
|
$filerecord->userid = $USER->id;
|
|
$filerecord->textid = null;
|
|
$filerecord->state = 10;
|
|
$filerecord->created_at = time();
|
|
$filerecord->itemid = $eventdata['objectid'];
|
|
$filerecord->signature = $signature;
|
|
|
|
$DB->insert_record('plagiarism_pchkorg_files', $filerecord);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Will find the first user in group assignment.
|
|
*
|
|
* @param $cmid
|
|
* @param $groupid
|
|
* @return mixed
|
|
* @throws coding_exception
|
|
*/
|
|
private function get_first_group_author($cmid, $groupid) {
|
|
static $context;
|
|
if (empty($context)) {
|
|
$context = context_course::instance($cmid);
|
|
}
|
|
|
|
$groupmembers = groups_get_members($groupid, "u.id");
|
|
foreach ($groupmembers as $author) {
|
|
if (!has_capability('mod/assign:grade', $context, $author->id)) {
|
|
return $author->id;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* Method will be called by cron. Method sends queued files into plagiarism check system.
|
|
*
|
|
* @return bool
|
|
* @throws coding_exception
|
|
* @throws dml_exception
|
|
*/
|
|
public function cron_send_submissions() {
|
|
global $DB;
|
|
|
|
$pchkorgconfigmodel = new plagiarism_pchkorg_config_model();
|
|
$apitoken = $pchkorgconfigmodel->get_system_config('pchkorg_token');
|
|
$apiprovider = new plagiarism_pchkorg_api_provider($apitoken);
|
|
|
|
// SQL will be called only once, result is static.
|
|
$config = $pchkorgconfigmodel->get_system_config('pchkorg_use');
|
|
if ('1' !== $config) {
|
|
return true;
|
|
}
|
|
$filesconditions = array('state' => 10);
|
|
$moodlefiles = $DB->get_records(
|
|
'plagiarism_pchkorg_files',
|
|
$filesconditions,
|
|
'id',
|
|
'*',
|
|
0,
|
|
20
|
|
);
|
|
|
|
if ($moodlefiles) {
|
|
$fs = get_file_storage();
|
|
foreach ($moodlefiles as $filedb) {
|
|
$textid = null;
|
|
$user = $DB->get_record('user', array('id' => $filedb->userid));
|
|
// This is attached file.
|
|
$cm = get_coursemodule_from_id('', $filedb->cm);
|
|
// Filter for future search.
|
|
$systemminpercent = $pchkorgconfigmodel->get_system_config('pchkorg_min_percent');
|
|
// Module filter value has a bigger priority then system config value.
|
|
$moduleminpercent = $pchkorgconfigmodel->get_filter_for_module($cm->id, 'pchkorg_min_percent');
|
|
if ($moduleminpercent) {
|
|
$minpercent = $moduleminpercent;
|
|
} else {
|
|
$minpercent = $systemminpercent;
|
|
}
|
|
$filters = [
|
|
'include_references' => $pchkorgconfigmodel->get_filter_for_module(
|
|
$cm->id,
|
|
'pchkorg_include_referenced'
|
|
),
|
|
'include_quotes' => $pchkorgconfigmodel->get_filter_for_module(
|
|
$cm->id,
|
|
'pchkorg_include_citation'
|
|
),
|
|
'exclude_self_plagiarism' => $pchkorgconfigmodel->get_filter_for_module(
|
|
$cm->id,
|
|
'pchkorg_exclude_self_plagiarism'
|
|
),
|
|
];
|
|
if ($minpercent) {
|
|
$filters['source_min_percent'] = $minpercent;
|
|
}
|
|
|
|
$agreementwhere = array(
|
|
'cm' => 0,
|
|
'name' => 'accepted_agreement',
|
|
'value' => '1',
|
|
);
|
|
$agreementaccepted = $DB->get_records('plagiarism_pchkorg_config', $agreementwhere);
|
|
if (empty($agreementaccepted)) {
|
|
$apiprovider->save_accepted_agreement($user->email);
|
|
$DB->insert_record('plagiarism_pchkorg_config', $agreementwhere);
|
|
}
|
|
|
|
if ($cm->modname === 'quiz') {
|
|
if ($filedb->fileid === null) {
|
|
$questionanswers = $DB->get_records_sql(
|
|
"SELECT {question_attempts}.responsesummary "
|
|
." FROM {question_attempts} "
|
|
." INNER JOIN {question} on {question}.id = {question_attempts}.questionid "
|
|
." WHERE {question_attempts}.questionusageid = ? AND {question}.qtype = 'essay' ", array(
|
|
$filedb->itemid
|
|
)
|
|
);
|
|
|
|
foreach ($questionanswers as $questionanswer) {
|
|
$content = $questionanswer->responsesummary;
|
|
$signature = sha1($content);
|
|
if ($signature === $filedb->signature) {
|
|
$textid = $apiprovider->general_send_check(
|
|
$apiprovider->user_email_to_hash($user->email),
|
|
$cm->course,
|
|
$cm->id,
|
|
$cm->name,
|
|
$filedb->itemid,
|
|
null,
|
|
html_to_text($content, 75, false),
|
|
'plain/text',
|
|
sprintf('%s-quiz.txt', $filedb->itemid),
|
|
$filters,
|
|
);
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
$file = $fs->get_file_by_id($filedb->fileid);
|
|
// We can not receive file by id.
|
|
// Maybe file does not exist anymore.
|
|
// So we mark it as error and continue.
|
|
if (!$file || !is_object($file)) {
|
|
$filedbnew = new stdClass();
|
|
$filedbnew->id = $filedb->id;
|
|
$filedbnew->attempt = $filedb->attempt + 1;
|
|
$filedbnew->state = 11; // Sending error.
|
|
|
|
$DB->update_record('plagiarism_pchkorg_files', $filedbnew);
|
|
|
|
continue;
|
|
}
|
|
$textid = $apiprovider->general_send_check(
|
|
$apiprovider->user_email_to_hash($user->email),
|
|
$cm->course,
|
|
$cm->id,
|
|
$cm->name,
|
|
$filedb->itemid,
|
|
$file->get_id(),
|
|
$file->get_content(),
|
|
$file->get_mimetype(),
|
|
$file->get_filename(),
|
|
$filters
|
|
);
|
|
}
|
|
}
|
|
if ($cm->modname === 'forum') {
|
|
if ($filedb->fileid === null) {
|
|
$post = $DB->get_record_sql(
|
|
"SELECT subject, message"
|
|
." FROM {forum_posts}"
|
|
." WHERE {forum_posts}.id = ?", array(
|
|
$filedb->itemid
|
|
)
|
|
);
|
|
if ($post) {
|
|
$subject = $post->subject;
|
|
$content = $post->message;
|
|
$signature = sha1($content);
|
|
$ismatched = false;
|
|
if ($signature === $filedb->signature) {
|
|
$ismatched = true;
|
|
}
|
|
if (!$ismatched) {
|
|
$signature = sha1(trim(strip_tags($content)));
|
|
if ($signature === $filedb->signature) {
|
|
$ismatched = true;
|
|
}
|
|
}
|
|
|
|
if ($ismatched) {
|
|
$textid = $apiprovider->general_send_check(
|
|
$apiprovider->user_email_to_hash($user->email),
|
|
$cm->course,
|
|
$cm->id,
|
|
$cm->name,
|
|
$subject,
|
|
null,
|
|
html_to_text($content, 75, false),
|
|
'plain/text',
|
|
sprintf('%s-quiz.txt', $filedb->itemid),
|
|
$filters,
|
|
);
|
|
}
|
|
}
|
|
} else {
|
|
$moodlesubmission = $DB->get_record('assign_submission', array(
|
|
'assignment' => $cm->instance,
|
|
'userid' => $filedb->userid,
|
|
'id' => $filedb->itemid,
|
|
), 'id');
|
|
$file = $fs->get_file_by_id($filedb->fileid);
|
|
|
|
// We can not receive file by id.
|
|
// Maybe file does not exist anymore.
|
|
// So we mark it as error and continue.
|
|
if (!$file || !is_object($file)) {
|
|
$filedbnew = new stdClass();
|
|
$filedbnew->id = $filedb->id;
|
|
$filedbnew->attempt = $filedb->attempt + 1;
|
|
$filedbnew->state = 11; // Sending error.
|
|
|
|
$DB->update_record('plagiarism_pchkorg_files', $filedbnew);
|
|
|
|
continue;
|
|
}
|
|
$textid = $apiprovider->general_send_check(
|
|
$apiprovider->user_email_to_hash($user->email),
|
|
$cm->course,
|
|
$cm->id,
|
|
$cm->name,
|
|
$moodlesubmission->id,
|
|
$file->get_id(),
|
|
$file->get_content(),
|
|
$file->get_mimetype(),
|
|
$file->get_filename(),
|
|
$filters
|
|
);
|
|
}
|
|
}
|
|
if ($cm->modname === 'assign') {
|
|
if ($filedb->fileid === null) {
|
|
$moodletextsubmission = $DB->get_record(
|
|
'assignsubmission_onlinetext',
|
|
array('submission' => $filedb->itemid),
|
|
'*'
|
|
);
|
|
if ($moodletextsubmission) {
|
|
$content = $moodletextsubmission->onlinetext;
|
|
$textid = $apiprovider->general_send_check(
|
|
$apiprovider->user_email_to_hash($user->email),
|
|
$cm->course,
|
|
$cm->id,
|
|
$cm->name,
|
|
$moodletextsubmission->id,
|
|
$moodletextsubmission->id,
|
|
html_to_text($content, 75, false),
|
|
'plain/text',
|
|
sprintf('%s-submussion.txt', $moodletextsubmission->id),
|
|
$filters,
|
|
);
|
|
}
|
|
} else {
|
|
$moodlesubmission = $DB->get_record('assign_submission', array(
|
|
'assignment' => $cm->instance,
|
|
'userid' => $filedb->userid,
|
|
'id' => $filedb->itemid,
|
|
), 'id');
|
|
$file = $fs->get_file_by_id($filedb->fileid);
|
|
|
|
// We can not receive file by id.
|
|
// Maybe file does not exist anymore.
|
|
// So we mark it as error and continue.
|
|
if (!$file || !is_object($file)) {
|
|
$filedbnew = new stdClass();
|
|
$filedbnew->id = $filedb->id;
|
|
$filedbnew->attempt = $filedb->attempt + 1;
|
|
$filedbnew->state = 11; // Sending error.
|
|
|
|
$DB->update_record('plagiarism_pchkorg_files', $filedbnew);
|
|
|
|
continue;
|
|
}
|
|
$textid = $apiprovider->general_send_check(
|
|
$apiprovider->user_email_to_hash($user->email),
|
|
$cm->course,
|
|
$cm->id,
|
|
$cm->name,
|
|
$moodlesubmission->id,
|
|
$file->get_id(),
|
|
$file->get_content(),
|
|
$file->get_mimetype(),
|
|
$file->get_filename(),
|
|
$filters
|
|
);
|
|
}
|
|
}
|
|
|
|
$filedbnew = new stdClass();
|
|
$filedbnew->id = $filedb->id;
|
|
if ($textid) {
|
|
// Text was successfully sent to the service.
|
|
$filedbnew->textid = $textid;
|
|
$filedbnew->state = 12; // 12 - is SENT.
|
|
} else {
|
|
$filedbnew->attempt = $filedb->attempt + 1;
|
|
if ($filedbnew->attempt > 6) {
|
|
$filedbnew->state = 11; // Sending error.
|
|
}
|
|
}
|
|
$DB->update_record('plagiarism_pchkorg_files', $filedbnew);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Method will update similarity score and change status of checks.
|
|
*
|
|
* @return bool
|
|
* @throws dml_exception
|
|
*/
|
|
public function cron_update_reports() {
|
|
global $DB;
|
|
|
|
$pchkorgconfigmodel = new plagiarism_pchkorg_config_model();
|
|
$apitoken = $pchkorgconfigmodel->get_system_config('pchkorg_token');
|
|
$apiprovider = new plagiarism_pchkorg_api_provider($apitoken);
|
|
|
|
// SQL will be called only once, result is static.
|
|
$config = $pchkorgconfigmodel->get_system_config('pchkorg_use');
|
|
if ('1' !== $config) {
|
|
return true;
|
|
}
|
|
|
|
$filesconditions = array('state' => 12);
|
|
|
|
$moodlefiles = $DB->get_records('plagiarism_pchkorg_files', $filesconditions,
|
|
'id', '*', 0, 20);
|
|
|
|
foreach ($moodlefiles as $filedb) {
|
|
$report = $apiprovider->check_text($filedb->textid);
|
|
if ($report !== null) {
|
|
$filedbnew = new stdClass();
|
|
$filedbnew->id = $filedb->id;
|
|
$filedbnew->state = 5;
|
|
$filedbnew->reportid = $report->id;
|
|
$filedbnew->score = $report->percent;
|
|
|
|
$DB->update_record('plagiarism_pchkorg_files', $filedbnew);
|
|
}
|
|
}
|
|
}
|
|
}
|