report/log/lib.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  * Public API of the log report.
  19  *
  20  * Defines the APIs used by log reports
  21  *
  22  * @package    report_log
  23  * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 defined('MOODLE_INTERNAL') || die;
  28
  29 /**
  30  * This function extends the navigation with the report items
  31  *
  32  * @param navigation_node $navigation The navigation node to extend
  33  * @param stdClass $course The course to object for the report
  34  * @param stdClass $context The context of the course
  35  */
  36 function report_log_extend_navigation_course($navigation, $course, $context) {
  37     if (has_capability('report/log:view', $context)) {
  38         $url = new moodle_url('/report/log/index.php', array('id'=>$course->id));
  39         $navigation->add(get_string('pluginname', 'report_log'), $url, navigation_node::TYPE_SETTING, null, null, new pix_icon('i/report', ''));
  40     }
  41 }
  42
  43 /**
  44  * Callback to verify if the given instance of store is supported by this report or not.
  45  *
  46  * @param string $instance store instance.
  47  *
  48  * @return bool returns true if the store is supported by the report, false otherwise.
  49  */
  50 function report_log_supports_logstore($instance) {
  51     if ($instance instanceof \core\log\sql_reader) {
  52         return true;
  53     }
  54     return false;
  55 }
  56
  57 /**
  58  * This function extends the course navigation with the report items
  59  *
  60  * @param navigation_node $navigation The navigation node to extend
  61  * @param stdClass $user
  62  * @param stdClass $course The course to object for the report
  63  */
  64 function report_log_extend_navigation_user($navigation, $user, $course) {
  65     list($all, $today) = report_log_can_access_user_report($user, $course);
  66
  67     if ($today) {
  68         $url = new moodle_url('/report/log/user.php', array('id'=>$user->id, 'course'=>$course->id, 'mode'=>'today'));
  69         $navigation->add(get_string('todaylogs'), $url);
  70     }
  71     if ($all) {
  72         $url = new moodle_url('/report/log/user.php', array('id'=>$user->id, 'course'=>$course->id, 'mode'=>'all'));
  73         $navigation->add(get_string('alllogs'), $url);
  74     }
  75 }
  76
  77 /**
  78  * Is current user allowed to access this report
  79  *
  80  * @access private defined in lib.php for performance reasons
  81  * @global stdClass $USER
  82  * @param stdClass $user
  83  * @param stdClass $course
  84  * @return array with two elements $all, $today
  85  */
  86 function report_log_can_access_user_report($user, $course) {
  87     global $USER;
  88
  89     $coursecontext = context_course::instance($course->id);
  90     $personalcontext = context_user::instance($user->id);
  91
  92     if ($user->id == $USER->id) {
  93         if ($course->showreports and (is_viewing($coursecontext, $USER) or is_enrolled($coursecontext, $USER))) {
  94             return array(true, true);
  95         }
  96     } else if (has_capability('moodle/user:viewuseractivitiesreport', $personalcontext)) {
  97         if ($course->showreports and (is_viewing($coursecontext, $user) or is_enrolled($coursecontext, $user))) {
  98             return array(true, true);
  99         }
 100     }
 101
 102     // Check if $USER shares group with $user (in case separated groups are enabled and 'moodle/site:accessallgroups' is disabled).
 103     if (!groups_user_groups_visible($course, $user->id)) {
 104         return array(false, false);
 105     }
 106
 107     $today = false;
 108     $all = false;
 109
 110     if (has_capability('report/log:viewtoday', $coursecontext)) {
 111         $today = true;
 112     }
 113     if (has_capability('report/log:view', $coursecontext)) {
 114         $all = true;
 115     }
 116
 117     return array($all, $today);
 118 }
 119
 120 /**
 121  * This function extends the module navigation with the report items
 122  *
 123  * @param navigation_node $navigation The navigation node to extend
 124  * @param stdClass $cm
 125  */
 126 function report_log_extend_navigation_module($navigation, $cm) {
 127     if (has_capability('report/log:view', context_course::instance($cm->course))) {
 128         $url = new moodle_url('/report/log/index.php', array('chooselog'=>'1','id'=>$cm->course,'modid'=>$cm->id));
 129         $navigation->add(get_string('logs'), $url, navigation_node::TYPE_SETTING, null, 'logreport');
 130     }
 131 }
 132
 133 /**
 134  * Return a list of page types
 135  *
 136  * @param string $pagetype current page type
 137  * @param stdClass $parentcontext Block's parent context
 138  * @param stdClass $currentcontext Current context of block
 139  * @return array a list of page types
 140  */
 141 function report_log_page_type_list($pagetype, $parentcontext, $currentcontext) {
 142     $array = array(
 143         '*'                => get_string('page-x', 'pagetype'),
 144         'report-*'         => get_string('page-report-x', 'pagetype'),
 145         'report-log-*'     => get_string('page-report-log-x',  'report_log'),
 146         'report-log-index' => get_string('page-report-log-index',  'report_log'),
 147         'report-log-user'  => get_string('page-report-log-user',  'report_log')
 148     );
 149     return $array;
 150 }
 151
 152 /**
 153  * Add nodes to myprofile page.
 154  *
 155  * @param \core_user\output\myprofile\tree $tree Tree object
 156  * @param stdClass $user user object
 157  * @param bool $iscurrentuser
 158  * @param stdClass $course Course object
 159  *
 160  * @return bool
 161  */
 162 function report_log_myprofile_navigation(core_user\output\myprofile\tree $tree, $user, $iscurrentuser, $course) {
 163     if (empty($course)) {
 164         // We want to display these reports under the site context.
 165         $course = get_fast_modinfo(SITEID)->get_course();
 166     }
 167     list($all, $today) = report_log_can_access_user_report($user, $course);
 168     if ($today) {
 169         // Today's log.
 170         $url = new moodle_url('/report/log/user.php',
 171             array('id' => $user->id, 'course' => $course->id, 'mode' => 'today'));
 172         $node = new core_user\output\myprofile\node('reports', 'todayslogs', get_string('todaylogs'), null, $url);
 173         $tree->add_node($node);
 174     }
 175
 176     if ($all) {
 177         // All logs.
 178         $url = new moodle_url('/report/log/user.php',
 179             array('id' => $user->id, 'course' => $course->id, 'mode' => 'all'));
 180         $node = new core_user\output\myprofile\node('reports', 'alllogs', get_string('alllogs'), null, $url);
 181         $tree->add_node($node);
 182     }
 183     return true;
 184 }