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/>.

/**

 * \mod_hvp\upload_libraries_form class

 *

 * @package    mod_hvp

 * @copyright  2016 Joubel AS

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

namespace mod_hvp;

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

// Load moodleform class.

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

/**

 * Form to upload new H5P libraries and upgrade existing once

 *

 * @package    mod_hvp

 * @copyright  2016 Joubel AS

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class upload_libraries_form extends \moodleform {

    /**

     * Define form elements

     */

    public function definition() {

        global $CFG, $OUTPUT;

        // Get form.

        $mform = $this->_form;

        // Add File Picker.

        $mform->addElement('filepicker', 'h5pfile', get_string('h5pfile', 'hvp'), null,

                   array('maxbytes' => $CFG->maxbytes, 'accepted_types' => '*.h5p'));

        // Add options.

        $mform->addElement('checkbox',

            'onlyupdate',

            get_string('options', 'hvp'),

            get_string('onlyupdate', 'hvp'),

            array('group' => 1)

        );

        $mform->setType('onlyupdate', PARAM_BOOL);

        $mform->setDefault('onlyupdate', false);

        $mform->addElement('checkbox',

            'disablefileextensioncheck',

            '',

            get_string('disablefileextensioncheck', 'hvp'),

            array('group' => 1)

        );

        $mform->setType('disablefileextensioncheck', PARAM_BOOL);

        $mform->setDefault('disablefileextensioncheck', false);

        $notification = $OUTPUT->notification(

            get_string('disablefileextensioncheckwarning', 'hvp'),

            'notifymessage'

        );

        $mform->addElement('static', '', '', $notification);

        // Upload button.

        $this->add_action_buttons(false, get_string('upload', 'hvp'));

    }

    /**

     * Preprocess incoming data

     *

     * @param array $defaultvalues default values for form

     */

    public function data_preprocessing(&$defaultvalues) {

        // Aaah.. we meet again h5pfile!.

        $draftitemid = file_get_submitted_draft_itemid('h5pfile');

        file_prepare_draft_area($draftitemid, $this->context->id, 'mod_hvp', 'package', 0);

        $defaultvalues['h5pfile'] = $draftitemid;

    }

    /**

     * Validate incoming data

     *

     * @param array $data array of ("fieldname"=>value) of submitted data

     * @param array $files array of uploaded files "element_name"=>tmp_file_path

     * @return array of "element_name"=>"error_description" if there are errors,

     *         or an empty array if everything is OK (true allowed for backwards compatibility too).

     */

    public function validation($data, $files) {

        global $CFG;

        $errors = array();

        // Check for file.

        if (empty($data['h5pfile'])) {

            $errors['h5pfile'] = get_string('required');

            return $errors;

        }

        $files = $this->get_draft_files('h5pfile');

        if (count($files) < 1) {

            $errors['h5pfile'] = get_string('required');

            return $errors;

        }

        // Add file so that core framework can find it.

        $file = reset($files);

        $interface = \mod_hvp\framework::instance('interface');

        $path = $CFG->tempdir . uniqid('/hvp-');

        $interface->getUploadedH5pFolderPath($path);

        $path .= '.h5p';

        $interface->getUploadedH5pPath($path);

        $file->copy_content_to($path);

        // Validate package.

        $h5pvalidator = \mod_hvp\framework::instance('validator');

        if (!$h5pvalidator->isValidPackage(true, isset($data['onlyupdate']))) {

            // Errors while validating the package.

            $errors = array_map(function ($message) {

                return $message->message;

            }, framework::messages('error'));

            $messages = array_merge(framework::messages('info'), $errors);

            $errors['h5pfile'] = implode('<br/>', $messages);

        }

        return $errors;

    }

}