/calendar/managesubscriptions_form.php
PHP | 159 lines | 83 code | 22 blank | 54 comment | 14 complexity | 5b8c1997b48333d9c32161ed5f43fd0a MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, LGPL-3.0, GPL-3.0, LGPL-2.1, Apache-2.0, BSD-3-Clause, AGPL-3.0
- <?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/>.
- /**
- * Allows the user to manage calendar subscriptions.
- *
- * @copyright 2012 Jonathan Harker
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- * @package calendar
- */
- if (!defined('MOODLE_INTERNAL')) {
- die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
- }
- require_once($CFG->libdir.'/formslib.php');
- /**
- * Form for adding a subscription to a Moodle course calendar.
- * @copyright 2012 Jonathan Harker
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
- class calendar_addsubscription_form extends moodleform {
- /**
- * Defines the form used to add calendar subscriptions.
- */
- public function definition() {
- $mform = $this->_form;
- $courseid = optional_param('course', 0, PARAM_INT);
- $mform->addElement('header', 'addsubscriptionform', get_string('importcalendarheading', 'calendar'));
- // Name.
- $mform->addElement('text', 'name', get_string('subscriptionname', 'calendar'), array('maxsize' => '255', 'size' => '40'));
- $mform->addRule('name', get_string('required'), 'required');
- $mform->setType('name', PARAM_TEXT);
- // Import from (url | importfile).
- $mform->addElement('html', get_string('importfrominstructions', 'calendar'));
- $choices = array(CALENDAR_IMPORT_FROM_FILE => get_string('importfromfile', 'calendar'),
- CALENDAR_IMPORT_FROM_URL => get_string('importfromurl', 'calendar'));
- $mform->addElement('select', 'importfrom', get_string('importcalendarfrom', 'calendar'), $choices);
- $mform->setDefault('importfrom', CALENDAR_IMPORT_FROM_URL);
- // URL.
- $mform->addElement('text', 'url', get_string('importfromurl', 'calendar'), array('maxsize' => '255', 'size' => '50'));
- // Cannot set as PARAM_URL since we need to allow webcal:// protocol.
- $mform->setType('url', PARAM_RAW);
- // Poll interval
- $choices = calendar_get_pollinterval_choices();
- $mform->addElement('select', 'pollinterval', get_string('pollinterval', 'calendar'), $choices);
- $mform->setDefault('pollinterval', 604800);
- $mform->addHelpButton('pollinterval', 'pollinterval', 'calendar');
- $mform->setType('pollinterval', PARAM_INT);
- // Import file
- $mform->addElement('filepicker', 'importfile', get_string('importfromfile', 'calendar'), null, array('accepted_types' => '.ics'));
- // Disable appropriate elements depending on import from value.
- $mform->disabledIf('pollinterval', 'importfrom', 'eq', CALENDAR_IMPORT_FROM_FILE);
- $mform->disabledIf('url', 'importfrom', 'eq', CALENDAR_IMPORT_FROM_FILE);
- $mform->disabledIf('importfile', 'importfrom', 'eq', CALENDAR_IMPORT_FROM_URL);
- // Eventtype: 0 = user, 1 = global, anything else = course ID.
- list($choices, $groups) = calendar_get_eventtype_choices($courseid);
- $mform->addElement('select', 'eventtype', get_string('eventkind', 'calendar'), $choices);
- $mform->addRule('eventtype', get_string('required'), 'required');
- $mform->setType('eventtype', PARAM_ALPHA);
- if (!empty($groups) and is_array($groups)) {
- $groupoptions = array();
- foreach ($groups as $group) {
- $groupoptions[$group->id] = $group->name;
- }
- $mform->addElement('select', 'groupid', get_string('typegroup', 'calendar'), $groupoptions);
- $mform->setType('groupid', PARAM_INT);
- $mform->disabledIf('groupid', 'eventtype', 'noteq', 'group');
- }
- $mform->addElement('hidden', 'course');
- $mform->setType('course', PARAM_INT);
- $mform->addElement('submit', 'add', get_string('add'));
- }
- /**
- * Validates the returned data.
- *
- * @param array $data
- * @param array $files
- * @return array
- */
- public function validation($data, $files) {
- global $USER;
- $errors = parent::validation($data, $files);
- if ($data['importfrom'] == CALENDAR_IMPORT_FROM_FILE) {
- if (empty($data['importfile'])) {
- $errors['importfile'] = get_string('errorrequiredurlorfile', 'calendar');
- } else {
- // Make sure the file area is not empty and contains only one file.
- $draftitemid = $data['importfile'];
- $fs = get_file_storage();
- $usercontext = context_user::instance($USER->id);
- $files = $fs->get_area_files($usercontext->id, 'user', 'draft', $draftitemid, 'id DESC', false);
- if (count($files) !== 1) {
- $errors['importfile'] = get_string('errorrequiredurlorfile', 'calendar');
- }
- }
- } else if (($data['importfrom'] == CALENDAR_IMPORT_FROM_URL)) {
- // Clean input calendar url.
- $url = clean_param($data['url'], PARAM_URL);
- if (empty($url) || ($url !== $data['url'])) {
- $errors['url'] = get_string('invalidurl', 'error');
- }
- } else {
- // Shouldn't happen.
- $errors['url'] = get_string('errorrequiredurlorfile', 'calendar');
- }
- return $errors;
- }
- public function definition_after_data() {
- $mform =& $this->_form;
- $mform->applyFilter('url', 'calendar_addsubscription_form::strip_webcal');
- $mform->applyFilter('url', 'trim');
- }
- /**
- * Replace webcal:// urls with http:// as
- * curl does not understand this protocol
- *
- * @param string @url url to examine
- * @return string url with webcal:// replaced
- */
- public static function strip_webcal($url) {
- if (strpos($url, 'webcal://') === 0) {
- $url = str_replace('webcal://', 'http://', $url);
- }
- return $url;
- }
- }