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