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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  $origin      = optional_param('origin', '', PARAM_TEXT); // Event origin.
  46  
  47  $params = array();
  48  if (!empty($id)) {
  49      $params['id'] = $id;
  50  } else {
  51      $site = get_site();
  52      $id = $site->id;
  53  }
  54  if ($group !== 0) {
  55      $params['group'] = $group;
  56  }
  57  if ($user !== 0) {
  58      $params['user'] = $user;
  59  }
  60  if ($date !== 0) {
  61      $params['date'] = $date;
  62  }
  63  if ($modid !== 0) {
  64      $params['modid'] = $modid;
  65  }
  66  if ($modaction !== '') {
  67      $params['modaction'] = $modaction;
  68  }
  69  if ($page !== '0') {
  70      $params['page'] = $page;
  71  }
  72  if ($perpage !== '100') {
  73      $params['perpage'] = $perpage;
  74  }
  75  if ($showcourses) {
  76      $params['showcourses'] = $showcourses;
  77  }
  78  if ($showusers) {
  79      $params['showusers'] = $showusers;
  80  }
  81  if ($chooselog) {
  82      $params['chooselog'] = $chooselog;
  83  }
  84  if ($logformat !== '') {
  85      $params['download'] = $logformat;
  86  }
  87  if ($logreader !== '') {
  88      $params['logreader'] = $logreader;
  89  }
  90  if (($edulevel != -1)) {
  91      $params['edulevel'] = $edulevel;
  92  }
  93  
  94  // Legacy store hack, as edulevel is not supported.
  95  if ($logreader == 'logstore_legacy') {
  96      $params['edulevel'] = -1;
  97      $edulevel = -1;
  98  }
  99  $url = new moodle_url("/report/log/index.php", $params);
 100  
 101  $PAGE->set_url('/report/log/index.php', array('id' => $id));
 102  $PAGE->set_pagelayout('report');
 103  
 104  // Get course details.
 105  $course = null;
 106  if ($id) {
 107      $course = $DB->get_record('course', array('id' => $id), '*', MUST_EXIST);
 108      require_login($course);
 109      $context = context_course::instance($course->id);
 110  } else {
 111      require_login();
 112      $context = context_system::instance();
 113      $PAGE->set_context($context);
 114  }
 115  
 116  require_capability('report/log:view', $context);
 117  
 118  // When user choose to view logs then only trigger event.
 119  if ($chooselog) {
 120      // Trigger a report viewed event.
 121      $event = \report_log\event\report_viewed::create(array('context' => $context, 'relateduserid' => $user,
 122              'other' => array('groupid' => $group, 'date' => $date, 'modid' => $modid, 'modaction' => $modaction,
 123              'logformat' => $logformat)));
 124      $event->trigger();
 125  }
 126  
 127  if (!empty($page)) {
 128      $strlogs = get_string('logs'). ": ". get_string('page', 'report_log', $page + 1);
 129  } else {
 130      $strlogs = get_string('logs');
 131  }
 132  $stradministration = get_string('administration');
 133  $strreports = get_string('reports');
 134  
 135  // Before we close session, make sure we have editing information in session.
 136  $adminediting = optional_param('adminedit', -1, PARAM_BOOL);
 137  if ($PAGE->user_allowed_editing() && $adminediting != -1) {
 138      $USER->editing = $adminediting;
 139  }
 140  
 141  if (empty($course) || ($course->id == $SITE->id)) {
 142      admin_externalpage_setup('reportlog', '', null, '', array('pagelayout' => 'report'));
 143      $PAGE->set_title($SITE->shortname .': '. $strlogs);
 144  } else {
 145      $PAGE->set_title($course->shortname .': '. $strlogs);
 146      $PAGE->set_heading($course->fullname);
 147  }
 148  
 149  $reportlog = new report_log_renderable($logreader, $course, $user, $modid, $modaction, $group, $edulevel, $showcourses, $showusers,
 150          $chooselog, true, $url, $date, $logformat, $page, $perpage, 'timecreated DESC', $origin);
 151  $readers = $reportlog->get_readers();
 152  $output = $PAGE->get_renderer('report_log');
 153  
 154  if (empty($readers)) {
 155      echo $output->header();
 156      echo $output->heading(get_string('nologreaderenabled', 'report_log'));
 157  } else {
 158      if (!empty($chooselog)) {
 159          // Delay creation of table, till called by user with filter.
 160          $reportlog->setup_table();
 161  
 162          if (empty($logformat)) {
 163              echo $output->header();
 164              $userinfo = get_string('allparticipants');
 165              $dateinfo = get_string('alldays');
 166  
 167              if ($user) {
 168                  $u = $DB->get_record('user', array('id' => $user, 'deleted' => 0), '*', MUST_EXIST);
 169                  $userinfo = fullname($u, has_capability('moodle/site:viewfullnames', $context));
 170              }
 171              if ($date) {
 172                  $dateinfo = userdate($date, get_string('strftimedaydate'));
 173              }
 174              if (!empty($course) && ($course->id != SITEID)) {
 175                  $PAGE->navbar->add("$userinfo, $dateinfo");
 176              }
 177              echo $output->render($reportlog);
 178          } else {
 179              \core\session\manager::write_close();
 180              $reportlog->download();
 181              exit();
 182          }
 183      } else {
 184          echo $output->header();
 185          echo $output->heading(get_string('chooselogs') .':');
 186          echo $output->render($reportlog);
 187      }
 188  }
 189  
 190  echo $output->footer();