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<?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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 * Class for exporting submission data.
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 *
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 * @package    mod_workshop
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 * @copyright  2017 Juan Leyva <juan@moodle.com>
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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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namespace mod_workshop\external;
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defined('MOODLE_INTERNAL') || die();
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use core\external\exporter;
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use renderer_base;
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use core_external\util as external_util;
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use core_external\external_files;
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/**
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 * Class for exporting submission data.
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 *
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 * @copyright  2017 Juan Leyva <juan@moodle.com>
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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 submission_exporter extends exporter {
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    protected static function define_properties() {
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        return array(
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            'id' => array(
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                'type' => PARAM_INT,
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                'description' => 'The primary key of the record.',
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            ),
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            'workshopid' => array(
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                'type' => PARAM_INT,
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                'description' => 'The id of the workshop instance.',
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            ),
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            'example' => array(
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                'type' => PARAM_BOOL,
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                'null' => NULL_ALLOWED,
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                'default' => false,
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                'description' => 'Is this submission an example from teacher.',
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            ),
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            'authorid' => array(
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                'type' => PARAM_INT,
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                'description' => 'The author of the submission.',
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            ),
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            'timecreated' => array(
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                'type' => PARAM_INT,
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                'description' => 'Timestamp when the work was submitted for the first time.',
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            ),
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            'timemodified' => array(
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                'type' => PARAM_INT,
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                'description' => 'Timestamp when the submission has been updated.',
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            ),
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            'title' => array(
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                'type' => PARAM_RAW,
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                'description' => 'The submission title.',
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            ),
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            'content' => array(
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                'type' => PARAM_RAW,
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                'null' => NULL_ALLOWED,
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                'description' => 'Submission text.',
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            ),
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            'contentformat' => array(
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                'choices' => array(FORMAT_HTML, FORMAT_MOODLE, FORMAT_PLAIN, FORMAT_MARKDOWN),
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                'type' => PARAM_INT,
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                'default' => FORMAT_MOODLE,
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                'description' => 'Submission text format.',
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            ),
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            'contenttrust' => array(
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                'type' => PARAM_INT,
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                'default' => 0,
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                'description' => 'The trust mode of the data.',
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            ),
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            'attachment' => array(
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                'type' => PARAM_INT,
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                'null' => NULL_ALLOWED,
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                'default' => 0,
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                'description' => 'Used by File API file_postupdate_standard_filemanager.',
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            ),
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            'grade' => array(
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                'type' => PARAM_FLOAT,
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                'null' => NULL_ALLOWED,
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                'description' => 'Aggregated grade for the submission. The grade is a decimal number from interval 0..100.
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                    If NULL then the grade for submission has not been aggregated yet.',
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                'optional' => true,
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            ),
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            'gradeover' => array(
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                'type' => PARAM_FLOAT,
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                'null' => NULL_ALLOWED,
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                'description' => 'Grade for the submission manually overridden by a teacher. Grade is always from interval 0..100.
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                    If NULL then the grade is not overriden.',
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                'optional' => true,
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            ),
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            'gradeoverby' => array(
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                'type' => PARAM_INT,
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                'null' => NULL_ALLOWED,
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                'description' => 'The id of the user who has overridden the grade for submission.',
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                'optional' => true,
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            ),
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            'feedbackauthor' => array(
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                'type' => PARAM_RAW,
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                'null' => NULL_ALLOWED,
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                'description' => 'Teacher comment/feedback for the author of the submission, for example describing the reasons
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                    for the grade overriding.',
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                'optional' => true,
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            ),
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            'feedbackauthorformat' => array(
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                'choices' => array(FORMAT_HTML, FORMAT_MOODLE, FORMAT_PLAIN, FORMAT_MARKDOWN),
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                'type' => PARAM_INT,
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                'default' => FORMAT_MOODLE,
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                'description' => 'Feedback text format.',
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            ),
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            'timegraded' => array(
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                'type' => PARAM_INT,
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                'null' => NULL_ALLOWED,
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                'description' => 'The timestamp when grade or gradeover was recently modified.',
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                'optional' => true,
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            ),
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            'published' => array(
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                'type' => PARAM_BOOL,
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                'null' => NULL_ALLOWED,
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                'default' => false,
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                'description' => 'Shall the submission be available to other when the workshop is closed.',
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            ),
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            'late' => array(
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                'type' => PARAM_INT,
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                'default' => 0,
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                'description' => 'Has this submission been submitted after the deadline or during the assessment phase?',
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            ),
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        );
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    }
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    protected static function define_related() {
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        return array(
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            'context' => 'context'
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        );
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    }
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    protected static function define_other_properties() {
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        return array(
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            'contentfiles' => array(
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                'type' => external_files::get_properties_for_exporter(),
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                'multiple' => true,
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                'optional' => true
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            ),
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            'attachmentfiles' => array(
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                'type' => external_files::get_properties_for_exporter(),
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                'multiple' => true,
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                'optional' => true
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            ),
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        );
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    }
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    protected function get_other_values(renderer_base $output) {
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        $context = $this->related['context'];
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        if (!empty($this->data->content)) {
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            $values['contentfiles'] =
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                external_util::get_area_files($context->id, 'mod_workshop', 'submission_content', $this->data->id);
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        }
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        $values['attachmentfiles'] =
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                external_util::get_area_files($context->id, 'mod_workshop', 'submission_attachment', $this->data->id);
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        return $values;
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    }
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    /**
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     * Get the formatting parameters for the content.
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     *
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     * @return array
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     */
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    protected function get_format_parameters_for_content() {
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        return [
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            'component' => 'mod_workshop',
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            'filearea' => 'submission_content',
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            'itemid' => $this->data->id,
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        ];
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    }
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}