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/>.

/**

 * Enrol users form.

 *

 * Simple form to search for users and add them using a manual enrolment to this course.

 *

 * @package enrol_manual

 * @copyright 2016 Damyon Wiese

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

 */

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

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

class enrol_manual_enrol_users_form extends moodleform {

    /**

     * Form definition.

     * @return void

     */

    public function definition() {

        global $PAGE, $DB, $CFG;

        require_once($CFG->dirroot . '/enrol/locallib.php');

        $context = $this->_customdata->context;

        // Get the course and enrolment instance.

        $coursecontext = $context->get_course_context();

        $course = $DB->get_record('course', ['id' => $coursecontext->instanceid]);

        $manager = new course_enrolment_manager($PAGE, $course);

        $instance = null;

        foreach ($manager->get_enrolment_instances() as $tempinstance) {

            if ($tempinstance->enrol == 'manual') {

                if ($instance === null) {

                    $instance = $tempinstance;

                    break;

                }

            }

        }

        $mform = $this->_form;

        $mform->setDisableShortforms();

        $mform->disable_form_change_checker();

        $periodmenu = enrol_get_period_list();

        // Work out the apropriate default settings.

        $defaultperiod = $instance->enrolperiod;

        if ($instance->enrolperiod > 0 && !isset($periodmenu[$instance->enrolperiod])) {

            $periodmenu[$instance->enrolperiod] = format_time($instance->enrolperiod);

        }

        if (empty($extendbase)) {

            if (!$extendbase = get_config('enrol_manual', 'enrolstart')) {

                // Default to now if there is no system setting.

                $extendbase = 4;

            }

        }

        // Build the list of options for the starting from dropdown.

        $now = time();

        $today = make_timestamp(date('Y', $now), date('m', $now), date('d', $now), 0, 0, 0);

        $dateformat = get_string('strftimedatefullshort');

        // Enrolment start.

        $basemenu = array();

        if ($course->startdate > 0) {

            $basemenu[2] = get_string('coursestart') . ' (' . userdate($course->startdate, $dateformat) . ')';

        }

        $basemenu[3] = get_string('today') . ' (' . userdate($today, $dateformat) . ')';

        $basemenu[4] = get_string('now', 'enrol_manual') . ' (' . userdate($now, get_string('strftimedatetimeshort')) . ')';

        $mform->addElement('header', 'main', get_string('enrolmentoptions', 'enrol'));

        $options = array(

            'ajax' => 'enrol_manual/form-potential-user-selector',

            'multiple' => true,

            'courseid' => $course->id,

            'enrolid' => $instance->id,

            'perpage' => $CFG->maxusersperpage,

            'userfields' => implode(',', \core_user\fields::get_identity_fields($context, true))

        );

        $mform->addElement('autocomplete', 'userlist', get_string('selectusers', 'enrol_manual'), array(), $options);

        // Confirm the user can search for cohorts before displaying select.

        if (has_capability('moodle/cohort:manage', $context) || has_capability('moodle/cohort:view', $context)) {

            // Check to ensure there is at least one visible cohort before displaying the select box.

            // Ideally it would be better to call external_api::call_external_function('core_cohort_search_cohorts')

            // (which is used to populate the select box) instead of duplicating logic but there is an issue with globals

            // being borked (in this case $PAGE) when combining the usage of fragments and call_external_function().

            require_once($CFG->dirroot . '/cohort/lib.php');

            $availablecohorts = cohort_get_cohorts($context->id, 0, 1, '');

            $availablecohorts = $availablecohorts['cohorts'];

            if (!($context instanceof context_system)) {

                $availablecohorts = array_merge($availablecohorts,

                    cohort_get_available_cohorts($context, COHORT_ALL, 0, 1, ''));

            }

            if (!empty($availablecohorts)) {

                $options = ['contextid' => $context->id, 'multiple' => true];

                $mform->addElement('cohort', 'cohortlist', get_string('selectcohorts', 'enrol_manual'), $options);

            }

        }

        $roles = get_assignable_roles($context, ROLENAME_BOTH);

        $mform->addElement('select', 'roletoassign', get_string('assignrole', 'enrol_manual'), $roles);

        $mform->setDefault('roletoassign', $instance->roleid);

        $mform->addAdvancedStatusElement('main');

        $mform->addElement('checkbox', 'recovergrades', get_string('recovergrades', 'enrol'));

        $mform->setAdvanced('recovergrades');

        $mform->setDefault('recovergrades', $CFG->recovergradesdefault);

        $mform->addElement('select', 'startdate', get_string('startingfrom'), $basemenu);

        $mform->setDefault('startdate', $extendbase);

        $mform->setAdvanced('startdate');

        $mform->addElement('select', 'duration', get_string('enrolperiod', 'enrol'), $periodmenu);

        $mform->setDefault('duration', $defaultperiod);

        $mform->setAdvanced('duration');

        $mform->disabledIf('duration', 'timeend[enabled]', 'checked', 1);

        $mform->addElement('date_time_selector', 'timeend', get_string('enroltimeend', 'enrol'), ['optional' => true]);

        $mform->setAdvanced('timeend');

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

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

        $mform->addElement('hidden', 'action', 'enrol');

        $mform->setType('action', PARAM_ALPHA);

        $mform->addElement('hidden', 'enrolid', $instance->id);

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

    }

    /**

     * Validate the submitted form 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) {

        $errors = parent::validation($data, $files);

        if (!empty($data['startdate']) && !empty($data['timeend'])) {

            if ($data['startdate'] >= $data['timeend']) {

                $errors['timeend'] = get_string('enroltimeendinvalid', 'enrol');

            }

        }

        return $errors;

    }

}