calendar/managesubscriptions.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * Allows the user to manage calendar subscriptions.
  19  *
  20  * @copyright 2012 Jonathan Harker
  21  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22  * @package calendar
  23  */
  24
  25 require_once('../config.php');
  26 require_once($CFG->libdir.'/bennu/bennu.inc.php');
  27 require_once($CFG->dirroot.'/course/lib.php');
  28 require_once($CFG->dirroot.'/calendar/lib.php');
  29 require_once($CFG->dirroot.'/calendar/managesubscriptions_form.php');
  30
  31 // Required use.
  32 $courseid = optional_param('course', SITEID, PARAM_INT);
  33 // Used for processing subscription actions.
  34 $subscriptionid = optional_param('id', 0, PARAM_INT);
  35 $pollinterval  = optional_param('pollinterval', 0, PARAM_INT);
  36 $action = optional_param('action', '', PARAM_ALPHA);
  37
  38 $url = new moodle_url('/calendar/managesubscriptions.php');
  39 if ($courseid != SITEID) {
  40     $url->param('course', $courseid);
  41 }
  42 navigation_node::override_active_url(new moodle_url('/calendar/view.php', array('view' => 'month')));
  43 $PAGE->set_url($url);
  44 $PAGE->set_pagelayout('standard');
  45 $PAGE->navbar->add(get_string('managesubscriptions', 'calendar'));
  46
  47 if ($courseid != SITEID && !empty($courseid)) {
  48     $course = $DB->get_record('course', array('id' => $courseid));
  49     $courses = array($course->id => $course);
  50 } else {
  51     $course = get_site();
  52     $courses = calendar_get_default_courses();
  53 }
  54 require_course_login($course);
  55 if (!calendar_user_can_add_event($course)) {
  56     print_error('errorcannotimport', 'calendar');
  57 }
  58
  59 $form = new calendar_addsubscription_form(null);
  60 $form->set_data(array(
  61     'course' => $course->id
  62 ));
  63
  64 $importresults = '';
  65
  66 $formdata = $form->get_data();
  67 if (!empty($formdata)) {
  68     require_sesskey(); // Must have sesskey for all actions.
  69     $subscriptionid = calendar_add_subscription($formdata);
  70     if ($formdata->importfrom == CALENDAR_IMPORT_FROM_FILE) {
  71         // Blank the URL if it's a file import.
  72         $formdata->url = '';
  73         $calendar = $form->get_file_content('importfile');
  74         $ical = new iCalendar();
  75         $ical->unserialize($calendar);
  76         $importresults = calendar_import_icalendar_events($ical, $courseid, $subscriptionid);
  77     } else {
  78         $importresults = calendar_update_subscription_events($subscriptionid);
  79     }
  80     // Redirect to prevent refresh issues.
  81     redirect($PAGE->url);
  82 } else if (!empty($subscriptionid)) {
  83     // The user is wanting to perform an action upon an existing subscription.
  84     require_sesskey(); // Must have sesskey for all actions.
  85     $importresults = calendar_process_subscription_row($subscriptionid, $pollinterval, $action);
  86 }
  87
  88 $sql = 'SELECT *
  89           FROM {event_subscriptions}
  90          WHERE courseid = :courseid
  91             OR (courseid = 0 AND userid = :userid)';
  92 $params = array('courseid' => $courseid, 'userid' => $USER->id);
  93 $subscriptions = $DB->get_records_sql($sql, $params);
  94
  95 // Print title and header.
  96 $PAGE->set_title("$course->shortname: ".get_string('calendar', 'calendar').": ".get_string('subscriptions', 'calendar'));
  97 $PAGE->set_heading($course->fullname);
  98 $PAGE->set_button(calendar_preferences_button($course));
  99
 100 $renderer = $PAGE->get_renderer('core_calendar');
 101
 102 echo $OUTPUT->header();
 103 // Display a table of subscriptions.
 104 echo $renderer->subscription_details($courseid, $subscriptions, $importresults);
 105 // Display the add subscription form.
 106 $form->display();
 107 echo $OUTPUT->footer();