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   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   * Displays different views of the logs.
  19   *
  20   * @package    report_log
  21   * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require('../../config.php');
  26  require_once($CFG->dirroot.'/course/lib.php');
  27  require_once($CFG->dirroot.'/report/log/locallib.php');
  28  require_once($CFG->libdir.'/adminlib.php');
  29  require_once($CFG->dirroot.'/lib/tablelib.php');
  30  
  31  $id          = optional_param('id', 0, PARAM_INT);// Course ID.
  32  $group       = optional_param('group', 0, PARAM_INT); // Group to display.
  33  $user        = optional_param('user', 0, PARAM_INT); // User to display.
  34  $date        = optional_param('date', 0, PARAM_INT); // Date to display.
  35  $modid       = optional_param('modid', 0, PARAM_ALPHANUMEXT); // Module id or 'site_errors'.
  36  $modaction   = optional_param('modaction', '', PARAM_ALPHAEXT); // An action as recorded in the logs.
  37  $page        = optional_param('page', '0', PARAM_INT);     // Which page to show.
  38  $perpage     = optional_param('perpage', '100', PARAM_INT); // How many per page.
  39  $showcourses = optional_param('showcourses', false, PARAM_BOOL); // Whether to show courses if we're over our limit.
  40  $showusers   = optional_param('showusers', false, PARAM_BOOL); // Whether to show users if we're over our limit.
  41  $chooselog   = optional_param('chooselog', false, PARAM_BOOL);
  42  $logformat   = optional_param('download', '', PARAM_ALPHA);
  43  $logreader      = optional_param('logreader', '', PARAM_COMPONENT); // Reader which will be used for displaying logs.
  44  $edulevel    = optional_param('edulevel', -1, PARAM_INT); // Educational level.
  45  
  46  $params = array();
  47  if (!empty($id)) {
  48      $params['id'] = $id;
  49  } else {
  50      $site = get_site();
  51      $id = $site->id;
  52  }
  53  if ($group !== 0) {
  54      $params['group'] = $group;
  55  }
  56  if ($user !== 0) {
  57      $params['user'] = $user;
  58  }
  59  if ($date !== 0) {
  60      $params['date'] = $date;
  61  }
  62  if ($modid !== 0) {
  63      $params['modid'] = $modid;
  64  }
  65  if ($modaction !== '') {
  66      $params['modaction'] = $modaction;
  67  }
  68  if ($page !== '0') {
  69      $params['page'] = $page;
  70  }
  71  if ($perpage !== '100') {
  72      $params['perpage'] = $perpage;
  73  }
  74  if ($showcourses) {
  75      $params['showcourses'] = $showcourses;
  76  }
  77  if ($showusers) {
  78      $params['showusers'] = $showusers;
  79  }
  80  if ($chooselog) {
  81      $params['chooselog'] = $chooselog;
  82  }
  83  if ($logformat !== '') {
  84      $params['download'] = $logformat;
  85  }
  86  if ($logreader !== '') {
  87      $params['logreader'] = $logreader;
  88  }
  89  if (($edulevel != -1)) {
  90      $params['edulevel'] = $edulevel;
  91  }
  92  
  93  // Legacy store hack, as edulevel is not supported.
  94  if ($logreader == 'logstore_legacy') {
  95      $params['edulevel'] = -1;
  96      $edulevel = -1;
  97  }
  98  $url = new moodle_url("/report/log/index.php", $params);
  99  
 100  $PAGE->set_url('/report/log/index.php', array('id' => $id));
 101  $PAGE->set_pagelayout('report');
 102  
 103  // Get course details.
 104  $course = null;
 105  if ($id) {
 106      $course = $DB->get_record('course', array('id' => $id), '*', MUST_EXIST);
 107      require_login($course);
 108      $context = context_course::instance($course->id);
 109  } else {
 110      require_login();
 111      $context = context_system::instance();
 112      $PAGE->set_context($context);
 113  }
 114  
 115  require_capability('report/log:view', $context);
 116  
 117  // When user choose to view logs then only trigger event.
 118  if ($chooselog) {
 119      // Trigger a report viewed event.
 120      $event = \report_log\event\report_viewed::create(array('context' => $context, 'relateduserid' => $user,
 121              'other' => array('groupid' => $group, 'date' => $date, 'modid' => $modid, 'modaction' => $modaction,
 122              'logformat' => $logformat)));
 123      $event->trigger();
 124  }
 125  
 126  if (!empty($page)) {
 127      $strlogs = get_string('logs'). ": ". get_string('page', 'report_log', $page + 1);
 128  } else {
 129      $strlogs = get_string('logs');
 130  }
 131  $stradministration = get_string('administration');
 132  $strreports = get_string('reports');
 133  
 134  // Before we close session, make sure we have editing information in session.
 135  $adminediting = optional_param('adminedit', -1, PARAM_BOOL);
 136  if ($PAGE->user_allowed_editing() && $adminediting != -1) {
 137      $USER->editing = $adminediting;
 138  }
 139  
 140  if (empty($course) || ($course->id == $SITE->id)) {
 141      admin_externalpage_setup('reportlog', '', null, '', array('pagelayout' => 'report'));
 142      $PAGE->set_title($SITE->shortname .': '. $strlogs);
 143  } else {
 144      $PAGE->set_title($course->shortname .': '. $strlogs);
 145      $PAGE->set_heading($course->fullname);
 146  }
 147  
 148  $reportlog = new report_log_renderable($logreader, $course, $user, $modid, $modaction, $group, $edulevel, $showcourses, $showusers,
 149          $chooselog, true, $url, $date, $logformat, $page, $perpage, 'timecreated DESC');
 150  $readers = $reportlog->get_readers();
 151  $output = $PAGE->get_renderer('report_log');
 152  
 153  if (empty($readers)) {
 154      echo $output->header();
 155      echo $output->heading(get_string('nologreaderenabled', 'report_log'));
 156  } else {
 157      if (!empty($chooselog)) {
 158          // Delay creation of table, till called by user with filter.
 159          $reportlog->setup_table();
 160  
 161          if (empty($logformat)) {
 162              echo $output->header();
 163              $userinfo = get_string('allparticipants');
 164              $dateinfo = get_string('alldays');
 165  
 166              if ($user) {
 167                  $u = $DB->get_record('user', array('id' => $user, 'deleted' => 0), '*', MUST_EXIST);
 168                  $userinfo = fullname($u, has_capability('moodle/site:viewfullnames', $context));
 169              }
 170              if ($date) {
 171                  $dateinfo = userdate($date, get_string('strftimedaydate'));
 172              }
 173              if (!empty($course) && ($course->id != SITEID)) {
 174                  $PAGE->navbar->add("$userinfo, $dateinfo");
 175              }
 176              echo $output->render($reportlog);
 177          } else {
 178              \core\session\manager::write_close();
 179              $reportlog->download();
 180              exit();
 181          }
 182      } else {
 183          echo $output->header();
 184          echo $output->heading(get_string('chooselogs') .':');
 185          echo $output->render($reportlog);
 186      }
 187  }
 188  
 189  echo $output->footer();