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
  30 // Required use.
  31 $courseid = optional_param('course', null, PARAM_INT);
  32 $categoryid = optional_param('category', null, PARAM_INT);
  33
  34 $url = new moodle_url('/calendar/managesubscriptions.php');
  35 if ($courseid != SITEID && !empty($courseid)) {
  36     $url->param('course', $courseid);
  37     navigation_node::override_active_url(new moodle_url('/course/view.php', ['id' => $courseid]));
  38     $PAGE->navbar->add(
  39         get_string('calendar', 'calendar'),
  40         new moodle_url('/calendar/view.php', ['view' => 'month', 'course' => $courseid])
  41     );
  42 } else if ($categoryid) {
  43     $url->param('categoryid', $categoryid);
  44     navigation_node::override_active_url(new moodle_url('/course/index.php', ['categoryid' => $categoryid]));
  45     $PAGE->set_category_by_id($categoryid);
  46     $PAGE->navbar->add(
  47         get_string('calendar', 'calendar'),
  48         new moodle_url('/calendar/view.php', ['view' => 'month', 'category' => $categoryid])
  49     );
  50 } else {
  51     $PAGE->navbar->add(get_string('calendar', 'calendar'), new moodle_url('/calendar/view.php', ['view' => 'month']));
  52 }
  53
  54 $PAGE->set_url($url);
  55 $PAGE->set_pagelayout('admin');
  56 $PAGE->set_secondary_navigation(false);
  57
  58 if ($courseid != SITEID && !empty($courseid)) {
  59     // Course ID must be valid and existing.
  60     $course = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
  61     $courses = array($course->id => $course);
  62 } else {
  63     $course = get_site();
  64     $courses = calendar_get_default_courses();
  65 }
  66 require_login($course, false);
  67
  68 if (!calendar_user_can_add_event($course)) {
  69     throw new \moodle_exception('errorcannotimport', 'calendar');
  70 }
  71 $PAGE->navbar->add(get_string('managesubscriptions', 'calendar'), $PAGE->url);
  72
  73 $types = calendar_get_allowed_event_types($courseid);
  74
  75 $searches = [];
  76 $params = [];
  77
  78 $usedefaultfilters = true;
  79
  80 if (!empty($types['site'])) {
  81     $searches[] = "(eventtype = 'site')";
  82     $usedefaultfilters = false;
  83 }
  84
  85 if (!empty($types['user'])) {
  86     $searches[] = "(eventtype = 'user' AND userid = :userid)";
  87     $params['userid'] = $USER->id;
  88     $usedefaultfilters = false;
  89 }
  90
  91 if (!empty($courseid) && !empty($types['course'])) {
  92     $searches[] = "((eventtype = 'course' OR eventtype = 'group') AND courseid = :courseid)";
  93     $params += ['courseid' => $courseid];
  94     $usedefaultfilters = false;
  95 }
  96
  97 if (!empty($types['category'])) {
  98     if (!empty($categoryid)) {
  99         $searches[] = "(eventtype = 'category' AND categoryid = :categoryid)";
 100         $params += ['categoryid' => $categoryid];
 101     } else {
 102         $searches[] = "(eventtype = 'category')";
 103     }
 104
 105     $usedefaultfilters = false;
 106 }
 107
 108 if ($usedefaultfilters) {
 109     $searches[] = "(eventtype = 'user' AND userid = :userid)";
 110     $params['userid'] = $USER->id;
 111
 112     if (!empty($types['site'])) {
 113         $searches[] = "(eventtype = 'site' AND courseid  = :siteid)";
 114         $params += ['siteid' => SITEID];
 115     }
 116
 117     if (!empty($types['course'])) {
 118         $courses = calendar_get_default_courses(null, 'id', true);
 119         if (!empty($courses)) {
 120             $courseids = array_map(function ($c) {
 121                 return $c->id;
 122             }, $courses);
 123
 124             list($courseinsql, $courseparams) = $DB->get_in_or_equal($courseids, SQL_PARAMS_NAMED, 'course');
 125             $searches[] = "((eventtype = 'course' OR eventtype = 'group') AND courseid {$courseinsql})";
 126             $params += $courseparams;
 127         }
 128     }
 129
 130     if (!empty($types['category'])) {
 131         list($categoryinsql, $categoryparams) = $DB->get_in_or_equal(
 132                 array_keys(\core_course_category::make_categories_list('moodle/category:manage')), SQL_PARAMS_NAMED, 'category');
 133         $searches[] = "(eventtype = 'category' AND categoryid {$categoryinsql})";
 134         $params += $categoryparams;
 135     }
 136 }
 137
 138 $sql = "SELECT * FROM {event_subscriptions} WHERE " . implode(' OR ', $searches);;
 139 $subscriptions = $DB->get_records_sql($sql, $params);
 140
 141 // Print title and header.
 142 $PAGE->set_title("$course->shortname: ".get_string('calendar', 'calendar').": ".get_string('subscriptions', 'calendar'));
 143 $heading = get_string('calendar', 'core_calendar');
 144 $heading = ($courseid != SITEID && !empty($courseid)) ? "{$heading}: {$COURSE->shortname}" : $heading;
 145 $PAGE->set_heading($heading);
 146
 147 $renderer = $PAGE->get_renderer('core_calendar');
 148
 149 echo $OUTPUT->header();
 150 echo $renderer->render_subscriptions_header();
 151
 152 // Filter subscriptions which user can't edit.
 153 foreach($subscriptions as $subscription) {
 154     if (!calendar_can_edit_subscription($subscription)) {
 155         unset($subscriptions[$subscription->id]);
 156     }
 157 }
 158
 159 // Display a table of subscriptions.
 160 if (empty($subscription)) {
 161     echo $renderer->render_no_calendar_subscriptions();
 162 } else {
 163     echo $renderer->subscription_details($courseid, $subscriptions);
 164 }
 165 echo $OUTPUT->footer();