mirror of
https://github.com/moodle/moodle.git
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504 lines
19 KiB
PHP
504 lines
19 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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* This file contains the definition for the library class for onlinetext submission plugin
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*
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* This class provides all the functionality for the new assign module.
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*
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* @package assignsubmission_onlinetext
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* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
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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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// File area for online text submission assignment.
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define('ASSIGNSUBMISSION_ONLINETEXT_FILEAREA', 'submissions_onlinetext');
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/**
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* library class for onlinetext submission plugin extending submission plugin base class
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*
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* @package assignsubmission_onlinetext
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* @copyright 2012 NetSpot {@link http://www.netspot.com.au}
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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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class assign_submission_onlinetext extends assign_submission_plugin {
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/**
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* Get the name of the online text submission plugin
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* @return string
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*/
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public function get_name() {
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return get_string('onlinetext', 'assignsubmission_onlinetext');
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}
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/**
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* Get onlinetext submission information from the database
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*
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* @param int $submissionid
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* @return mixed
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*/
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private function get_onlinetext_submission($submissionid) {
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global $DB;
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return $DB->get_record('assignsubmission_onlinetext', array('submission'=>$submissionid));
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}
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/**
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* Add form elements for settings
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*
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* @param mixed $submission can be null
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* @param MoodleQuickForm $mform
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* @param stdClass $data
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* @return true if elements were added to the form
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*/
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public function get_form_elements($submission, MoodleQuickForm $mform, stdClass $data) {
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$elements = array();
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$editoroptions = $this->get_edit_options();
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$submissionid = $submission ? $submission->id : 0;
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if (!isset($data->onlinetext)) {
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$data->onlinetext = '';
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}
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if (!isset($data->onlinetextformat)) {
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$data->onlinetextformat = editors_get_preferred_format();
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}
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if ($submission) {
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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if ($onlinetextsubmission) {
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$data->onlinetext = $onlinetextsubmission->onlinetext;
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$data->onlinetextformat = $onlinetextsubmission->onlineformat;
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}
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}
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$data = file_prepare_standard_editor($data,
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'onlinetext',
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$editoroptions,
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$this->assignment->get_context(),
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submissionid);
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$mform->addElement('editor', 'onlinetext_editor', html_writer::tag('span', $this->get_name(),
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array('class' => 'accesshide')), null, $editoroptions);
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return true;
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}
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/**
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* Editor format options
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*
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* @return array
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*/
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private function get_edit_options() {
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$editoroptions = array(
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'noclean' => false,
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'maxfiles' => EDITOR_UNLIMITED_FILES,
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'maxbytes' => $this->assignment->get_course()->maxbytes,
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'context' => $this->assignment->get_context(),
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'return_types' => FILE_INTERNAL | FILE_EXTERNAL
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);
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return $editoroptions;
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}
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/**
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* Save data to the database and trigger plagiarism plugin,
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* if enabled, to scan the uploaded content via events trigger
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*
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* @param stdClass $submission
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* @param stdClass $data
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* @return bool
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*/
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public function save(stdClass $submission, stdClass $data) {
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global $USER, $DB;
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$editoroptions = $this->get_edit_options();
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$data = file_postupdate_standard_editor($data,
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'onlinetext',
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$editoroptions,
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$this->assignment->get_context(),
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submission->id);
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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$text = format_text($data->onlinetext,
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$data->onlinetext_editor['format'],
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array('context'=>$this->assignment->get_context()));
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$fs = get_file_storage();
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$files = $fs->get_area_files($this->assignment->get_context()->id,
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submission->id,
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'id',
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false);
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// Let Moodle know that an assessable content was uploaded (eg for plagiarism detection).
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$eventdata = new stdClass();
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$eventdata->modulename = 'assign';
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$eventdata->cmid = $this->assignment->get_course_module()->id;
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$eventdata->itemid = $submission->id;
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$eventdata->courseid = $this->assignment->get_course()->id;
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$eventdata->userid = $USER->id;
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$eventdata->content = trim($text);
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if ($files) {
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$eventdata->pathnamehashes = array_keys($files);
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}
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events_trigger('assessable_content_uploaded', $eventdata);
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if ($onlinetextsubmission) {
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$onlinetextsubmission->onlinetext = $data->onlinetext;
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$onlinetextsubmission->onlineformat = $data->onlinetext_editor['format'];
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return $DB->update_record('assignsubmission_onlinetext', $onlinetextsubmission);
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} else {
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$onlinetextsubmission = new stdClass();
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$onlinetextsubmission->onlinetext = $data->onlinetext;
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$onlinetextsubmission->onlineformat = $data->onlinetext_editor['format'];
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$onlinetextsubmission->submission = $submission->id;
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$onlinetextsubmission->assignment = $this->assignment->get_instance()->id;
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return $DB->insert_record('assignsubmission_onlinetext', $onlinetextsubmission) > 0;
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}
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}
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/**
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* Return a list of the text fields that can be imported/exported by this plugin
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*
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* @return array An array of field names and descriptions. (name=>description, ...)
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*/
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public function get_editor_fields() {
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return array('onlinetext' => get_string('pluginname', 'assignsubmission_comments'));
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}
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/**
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* Get the saved text content from the editor
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*
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* @param string $name
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* @param int $submissionid
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* @return string
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*/
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public function get_editor_text($name, $submissionid) {
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if ($name == 'onlinetext') {
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$onlinetextsubmission = $this->get_onlinetext_submission($submissionid);
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if ($onlinetextsubmission) {
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return $onlinetextsubmission->onlinetext;
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}
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}
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return '';
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}
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/**
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* Get the content format for the editor
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*
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* @param string $name
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* @param int $submissionid
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* @return int
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*/
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public function get_editor_format($name, $submissionid) {
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if ($name == 'onlinetext') {
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$onlinetextsubmission = $this->get_onlinetext_submission($submissionid);
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if ($onlinetextsubmission) {
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return $onlinetextsubmission->onlineformat;
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}
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}
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return 0;
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}
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/**
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* Display onlinetext word count in the submission status table
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*
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* @param stdClass $submission
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* @param bool $showviewlink - If the summary has been truncated set this to true
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* @return string
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*/
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public function view_summary(stdClass $submission, & $showviewlink) {
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global $CFG;
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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// Always show the view link.
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$showviewlink = true;
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if ($onlinetextsubmission) {
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$text = $this->assignment->render_editor_content(ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$onlinetextsubmission->submission,
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$this->get_type(),
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'onlinetext',
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'assignsubmission_onlinetext');
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$shorttext = shorten_text($text, 140);
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$plagiarismlinks = '';
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if (!empty($CFG->enableplagiarism)) {
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require_once($CFG->libdir . '/plagiarismlib.php');
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$plagiarismlinks .= plagiarism_get_links(array('userid' => $submission->userid,
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'content' => trim($text),
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'cmid' => $this->assignment->get_course_module()->id,
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'course' => $this->assignment->get_course()->id,
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'assignment' => $submission->assignment));
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}
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if ($text != $shorttext) {
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$wordcount = get_string('numwords', 'assignsubmission_onlinetext', count_words($text));
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return $shorttext . $plagiarismlinks . $wordcount;
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} else {
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return $shorttext . $plagiarismlinks;
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}
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}
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return '';
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}
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/**
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* Produce a list of files suitable for export that represent this submission.
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*
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* @param stdClass $submission - For this is the submission data
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* @param stdClass $user - This is the user record for this submission
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* @return array - return an array of files indexed by filename
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*/
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public function get_files(stdClass $submission, stdClass $user) {
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global $DB;
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$files = array();
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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if ($onlinetextsubmission) {
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$finaltext = $this->assignment->download_rewrite_pluginfile_urls($onlinetextsubmission->onlinetext, $user, $this);
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$formattedtext = format_text($finaltext,
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$onlinetextsubmission->onlineformat,
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array('context'=>$this->assignment->get_context()));
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$submissioncontent = '<html><body>'. $formattedtext . '</body></html>';
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$filename = get_string('onlinetextfilename', 'assignsubmission_onlinetext');
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$files[$filename] = array($submissioncontent);
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$fs = get_file_storage();
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$fsfiles = $fs->get_area_files($this->assignment->get_context()->id,
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submission->id,
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'timemodified',
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false);
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foreach ($fsfiles as $file) {
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$files[$file->get_filename()] = $file;
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}
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}
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return $files;
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}
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/**
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* Display the saved text content from the editor in the view table
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*
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* @param stdClass $submission
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* @return string
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*/
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public function view(stdClass $submission) {
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$result = '';
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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if ($onlinetextsubmission) {
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// Render for portfolio API.
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$result .= $this->assignment->render_editor_content(ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$onlinetextsubmission->submission,
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$this->get_type(),
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'onlinetext',
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'assignsubmission_onlinetext');
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}
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return $result;
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}
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/**
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* Return true if this plugin can upgrade an old Moodle 2.2 assignment of this type and version.
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*
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* @param string $type old assignment subtype
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* @param int $version old assignment version
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* @return bool True if upgrade is possible
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*/
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public function can_upgrade($type, $version) {
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if ($type == 'online' && $version >= 2011112900) {
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return true;
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}
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return false;
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}
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/**
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* Upgrade the settings from the old assignment to the new plugin based one
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*
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* @param context $oldcontext - the database for the old assignment context
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* @param stdClass $oldassignment - the database for the old assignment instance
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* @param string $log record log events here
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* @return bool Was it a success?
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*/
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public function upgrade_settings(context $oldcontext, stdClass $oldassignment, & $log) {
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// No settings to upgrade.
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return true;
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}
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/**
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* Upgrade the submission from the old assignment to the new one
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*
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* @param context $oldcontext - the database for the old assignment context
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* @param stdClass $oldassignment The data record for the old assignment
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* @param stdClass $oldsubmission The data record for the old submission
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* @param stdClass $submission The data record for the new submission
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* @param string $log Record upgrade messages in the log
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* @return bool true or false - false will trigger a rollback
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*/
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public function upgrade(context $oldcontext,
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stdClass $oldassignment,
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stdClass $oldsubmission,
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stdClass $submission,
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& $log) {
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global $DB;
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$onlinetextsubmission = new stdClass();
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$onlinetextsubmission->onlinetext = $oldsubmission->data1;
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$onlinetextsubmission->onlineformat = $oldsubmission->data2;
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$onlinetextsubmission->submission = $submission->id;
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$onlinetextsubmission->assignment = $this->assignment->get_instance()->id;
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if ($onlinetextsubmission->onlinetext === null) {
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$onlinetextsubmission->onlinetext = '';
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}
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if ($onlinetextsubmission->onlineformat === null) {
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$onlinetextsubmission->onlineformat = editors_get_preferred_format();
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}
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if (!$DB->insert_record('assignsubmission_onlinetext', $onlinetextsubmission) > 0) {
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$log .= get_string('couldnotconvertsubmission', 'mod_assign', $submission->userid);
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return false;
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}
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// Now copy the area files.
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$this->assignment->copy_area_files_for_upgrade($oldcontext->id,
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'mod_assignment',
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'submission',
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$oldsubmission->id,
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$this->assignment->get_context()->id,
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'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA,
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$submission->id);
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return true;
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}
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/**
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* Formatting for log info
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*
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* @param stdClass $submission The new submission
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* @return string
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*/
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public function format_for_log(stdClass $submission) {
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// Format the info for each submission plugin (will be logged).
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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$onlinetextloginfo = '';
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$text = format_text($onlinetextsubmission->onlinetext,
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$onlinetextsubmission->onlineformat,
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array('context'=>$this->assignment->get_context()));
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$onlinetextloginfo .= get_string('numwordsforlog',
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'assignsubmission_onlinetext',
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count_words($text));
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return $onlinetextloginfo;
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}
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/**
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* The assignment has been deleted - cleanup
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*
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* @return bool
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*/
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public function delete_instance() {
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global $DB;
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$DB->delete_records('assignsubmission_onlinetext',
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array('assignment'=>$this->assignment->get_instance()->id));
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return true;
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}
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/**
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* No text is set for this plugin
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*
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* @param stdClass $submission
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* @return bool
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*/
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public function is_empty(stdClass $submission) {
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$onlinetextsubmission = $this->get_onlinetext_submission($submission->id);
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return empty($onlinetextsubmission->onlinetext);
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}
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/**
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* Get file areas returns a list of areas this plugin stores files
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* @return array - An array of fileareas (keys) and descriptions (values)
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*/
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public function get_file_areas() {
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return array(ASSIGNSUBMISSION_ONLINETEXT_FILEAREA=>$this->get_name());
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}
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/**
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* Copy the student's submission from a previous submission. Used when a student opts to base their resubmission
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* on the last submission.
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* @param stdClass $sourcesubmission
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* @param stdClass $destsubmission
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*/
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public function copy_submission(stdClass $sourcesubmission, stdClass $destsubmission) {
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global $DB;
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// Copy the files across (attached via the text editor).
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$contextid = $this->assignment->get_context()->id;
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$fs = get_file_storage();
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$files = $fs->get_area_files($contextid, 'assignsubmission_onlinetext',
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ASSIGNSUBMISSION_ONLINETEXT_FILEAREA, $sourcesubmission->id, 'id', false);
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foreach ($files as $file) {
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$fieldupdates = array('itemid' => $destsubmission->id);
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$fs->create_file_from_storedfile($fieldupdates, $file);
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}
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// Copy the assignsubmission_onlinetext record.
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$onlinetextsubmission = $this->get_onlinetext_submission($sourcesubmission->id);
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if ($onlinetextsubmission) {
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unset($onlinetextsubmission->id);
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$onlinetextsubmission->submission = $destsubmission->id;
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$DB->insert_record('assignsubmission_onlinetext', $onlinetextsubmission);
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}
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return true;
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}
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}
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