Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * The contact form to the site's Data Protection Officer

 *

 * @copyright 2018 onwards Jun Pataleta

 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License

 * @package tool_dataprivacy

 */

use tool_dataprivacy\api;

use tool_dataprivacy\data_request;

use tool_dataprivacy\local\helper;

defined('MOODLE_INTERNAL') || die();

require_once($CFG->libdir.'/formslib.php');

/**

 * The contact form to the site's Data Protection Officer

 *

 * @copyright 2018 onwards Jun Pataleta

 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License

 * @package tool_dataprivacy

 */

class tool_dataprivacy_data_request_form extends \core\form\persistent {

    /** @var string Name of the persistent class. */

    protected static $persistentclass = data_request::class;

    /** @var bool Flag to indicate whether this form is being rendered for managing data requests or for regular requests. */

    protected $manage = false;

    /**

     * Form definition.

     *

     * @throws coding_exception

     * @throws dml_exception

     */

    public function definition() {

        global $USER;

        $mform =& $this->_form;

        $this->manage = $this->_customdata['manage'];

        if ($this->manage) {

            $options = [

                'ajax' => 'tool_dataprivacy/form-user-selector',

                'valuehtmlcallback' => function($value) {

                    global $OUTPUT;

                    $userfieldsapi = \core_user\fields::for_name();

                    $allusernames = $userfieldsapi->get_sql('', false, '', '', false)->selects;

                    $fields = 'id, email, ' . $allusernames;

                    $user = \core_user::get_user($value, $fields);

                    $useroptiondata = [

                        'fullname' => fullname($user),

                        'email' => $user->email

                    ];

                    return $OUTPUT->render_from_template('tool_dataprivacy/form-user-selector-suggestion', $useroptiondata);

                }

            ];

            $mform->addElement('autocomplete', 'userid', get_string('requestfor', 'tool_dataprivacy'), [], $options);

            $mform->addRule('userid', null, 'required', null, 'client');

        } else {

            // Get users whom you are being a guardian to if your role has the capability to make data requests for children.

            if ($children = helper::get_children_of_user($USER->id)) {

                $useroptions = [

                    $USER->id => fullname($USER)

                ];

                foreach ($children as $key => $child) {

                    $useroptions[$key] = fullname($child);

                }

                $mform->addElement('autocomplete', 'userid', get_string('requestfor', 'tool_dataprivacy'), $useroptions);

                $mform->addRule('userid', null, 'required', null, 'client');

            } else {

                // Requesting for self.

                $mform->addElement('hidden', 'userid', $USER->id);

            }

        }

        $mform->setType('userid', PARAM_INT);

        // Subject access request type.

        $options = [];

        if ($this->manage || api::can_create_data_download_request_for_self()) {

            $allowfiltering = get_config('tool_dataprivacy', 'allowfiltering');

            if ($allowfiltering) {

                $options[api::DATAREQUEST_TYPE_EXPORT] = get_string('requesttypeexportallowfiltering', 'tool_dataprivacy');

            } else {

                $options[api::DATAREQUEST_TYPE_EXPORT] = get_string('requesttypeexport', 'tool_dataprivacy');

            }

        }

        $options[api::DATAREQUEST_TYPE_DELETE] = get_string('requesttypedelete', 'tool_dataprivacy');

        $mform->addElement('select', 'type', get_string('requesttype', 'tool_dataprivacy'), $options);

        $mform->addHelpButton('type', 'requesttype', 'tool_dataprivacy');

        // Request comments text area.

        $textareaoptions = ['cols' => 60, 'rows' => 10];

        $mform->addElement('textarea', 'comments', get_string('requestcomments', 'tool_dataprivacy'), $textareaoptions);

        $mform->addHelpButton('comments', 'requestcomments', 'tool_dataprivacy');

        // Action buttons.

        $this->add_action_buttons();

        $shouldfreeze = false;

        if ($this->manage) {

            $shouldfreeze = !api::can_create_data_deletion_request_for_other();

        } else {

            $shouldfreeze = !api::can_create_data_deletion_request_for_self();

            if ($shouldfreeze && !empty($useroptions)) {

                foreach ($useroptions as $userid => $useroption) {

                    if (api::can_create_data_deletion_request_for_children($userid)) {

                        $shouldfreeze = false;

                        break;

                    }

                }

            }

        }

        if ($shouldfreeze) {

            $mform->freeze('type');

        }

    }

    /**

     * Get the default data. Unset the default userid if managing data requests

     *

     * @return stdClass

     */

    protected function get_default_data() {

        $data = parent::get_default_data();

        if ($this->manage) {

            unset($data->userid);

        }

        return $data;

    }

    /**

     * Form validation.

     *

     * @param stdClass $data

     * @param array $files

     * @param array $errors

     * @return array

     * @throws coding_exception

     * @throws dml_exception

     */

    public function extra_validation($data, $files, array &$errors) {

        $validationerrors = api::validate_create_data_request($data);

        foreach ($validationerrors as $error) {

            $errors['type'] = $error;

        }

        return $errors;

    }

}