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 * This page lets users to manage rules for a given course. 19 * 20 * @package tool_monitor 21 * @copyright 2014 onwards Ankit Agarwal <ankit.agrr@gmail.com> 22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 23 */ 24 25require_once(__DIR__ . '/../../../config.php'); 26require_once($CFG->libdir.'/adminlib.php'); 27require_once($CFG->dirroot.'/'.$CFG->admin.'/tool/monitor/lib.php'); 28 29$courseid = optional_param('courseid', 0, PARAM_INT); 30$action = optional_param('action', '', PARAM_ALPHA); 31$cmid = optional_param('cmid', 0, PARAM_INT); 32$ruleid = optional_param('ruleid', 0, PARAM_INT); 33$subscriptionid = optional_param('subscriptionid', 0, PARAM_INT); 34$confirm = optional_param('confirm', false, PARAM_BOOL); 35 36$choose = false; 37// Validate course id. 38if (empty($courseid)) { 39 require_login(null, false); 40 $context = context_system::instance(); 41 // check system level capability. 42 if (!has_capability('tool/monitor:subscribe', $context)) { 43 // If not system level then check to see if they have access to any course level rules. 44 if (tool_monitor_can_subscribe()) { 45 // Make them choose a course. 46 $choose = true; 47 } else { 48 // return error. 49 print_error('rulenopermission', 'tool_monitor'); 50 } 51 } 52} else { 53 // They might want to see rules for this course. 54 $course = get_course($courseid); 55 require_login($course); 56 $context = context_course::instance($course->id); 57 // Check for caps. 58 require_capability('tool/monitor:subscribe', $context); 59} 60 61if (!get_config('tool_monitor', 'enablemonitor')) { 62 // This should never happen as the this page does not appear in navigation when the tool is disabled. 63 throw new coding_exception('Event monitoring is disabled'); 64} 65 66// Use the user context here so that the header shows user information. 67$PAGE->set_context(context_user::instance($USER->id)); 68 69// Set up the page. 70$indexurl = new moodle_url('/admin/tool/monitor/index.php', array('courseid' => $courseid)); 71$PAGE->set_url($indexurl); 72$PAGE->set_pagelayout('report'); 73$PAGE->set_title(get_string('managesubscriptions', 'tool_monitor')); 74$PAGE->set_heading(fullname($USER)); 75$settingsnode = $PAGE->settingsnav->find('monitor', null); 76if ($settingsnode) { 77 $settingsnode->make_active(); 78} 79 80// Create/delete subscription if needed. 81if (!empty($action)) { 82 require_sesskey(); 83 switch ($action) { 84 case 'subscribe' : 85 $rule = \tool_monitor\rule_manager::get_rule($ruleid); 86 $rule->subscribe_user($courseid, $cmid); 87 echo $OUTPUT->header(); 88 echo $OUTPUT->notification(get_string('subcreatesuccess', 'tool_monitor'), 'notifysuccess'); 89 break; 90 case 'unsubscribe' : 91 // If the subscription does not exist, then redirect back as the subscription must have already been deleted. 92 if (!$subscription = $DB->record_exists('tool_monitor_subscriptions', array('id' => $subscriptionid))) { 93 redirect(new moodle_url('/admin/tool/monitor/index.php', array('courseid' => $courseid))); 94 } 95 96 // Set the URLs. 97 $confirmurl = new moodle_url('/admin/tool/monitor/index.php', array('subscriptionid' => $subscriptionid, 98 'courseid' => $courseid, 'action' => 'unsubscribe', 'confirm' => true, 99 'sesskey' => sesskey())); 100 $cancelurl = new moodle_url('/admin/tool/monitor/index.php', array('subscriptionid' => $subscriptionid, 101 'courseid' => $courseid, 'sesskey' => sesskey())); 102 if ($confirm) { 103 \tool_monitor\subscription_manager::delete_subscription($subscriptionid); 104 echo $OUTPUT->header(); 105 echo $OUTPUT->notification(get_string('subdeletesuccess', 'tool_monitor'), 'notifysuccess'); 106 } else { 107 $subscription = \tool_monitor\subscription_manager::get_subscription($subscriptionid); 108 echo $OUTPUT->header(); 109 echo $OUTPUT->confirm(get_string('subareyousure', 'tool_monitor', $subscription->get_name($context)), 110 $confirmurl, $cancelurl); 111 echo $OUTPUT->footer(); 112 exit(); 113 } 114 break; 115 default: 116 } 117} else { 118 echo $OUTPUT->header(); 119} 120 121$renderer = $PAGE->get_renderer('tool_monitor', 'managesubs'); 122 123// Render the course selector. 124$totalrules = \tool_monitor\rule_manager::count_rules_by_courseid($courseid); 125$rules = new \tool_monitor\output\managesubs\rules('toolmonitorrules', $indexurl, $courseid); 126 127$usercourses = $rules->get_user_courses_select($choose); 128// There must be user courses otherwise we wouldn't make it this far. 129echo $renderer->render($usercourses); 130 131// Render the current subscriptions list. 132$totalsubs = \tool_monitor\subscription_manager::count_user_subscriptions(); 133if (!empty($totalsubs) && !$choose) { 134 // Show the subscriptions section only if there are subscriptions. 135 $subs = new \tool_monitor\output\managesubs\subs('toolmonitorsubs', $indexurl, $courseid); 136 echo $OUTPUT->heading(get_string('currentsubscriptions', 'tool_monitor'), 3); 137 echo $renderer->render($subs); 138} 139 140// Render the potential rules list. 141if (!$choose) { 142 echo $OUTPUT->heading(get_string('rulescansubscribe', 'tool_monitor'), 3); 143 echo $renderer->render($rules); 144} 145 146// Check if the user can manage the course rules we are viewing. 147$canmanagerules = has_capability('tool/monitor:managerules', $context); 148 149if (empty($totalrules)) { 150 // No rules present. Show a link to manage rules page if permissions permit. 151 echo html_writer::start_div(); 152 echo html_writer::tag('span', get_string('norules', 'tool_monitor')); 153 if ($canmanagerules) { 154 $manageurl = new moodle_url("/admin/tool/monitor/managerules.php", array('courseid' => $courseid)); 155 $a = html_writer::link($manageurl, get_string('managerules', 'tool_monitor')); 156 $link = " "; 157 $link .= html_writer::tag('span', get_string('manageruleslink', 'tool_monitor', $a)); 158 echo $link; 159 } 160 echo html_writer::end_div(); 161} else if ($canmanagerules) { 162 $manageurl = new moodle_url("/admin/tool/monitor/managerules.php", array('courseid' => $courseid)); 163 echo $renderer->render_rules_link($manageurl); 164} 165echo $OUTPUT->footer(); 166