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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   * The gradebook user report
  19   *
  20   * @package   gradereport_user
  21   * @copyright 2007 Moodle Pty Ltd (http://moodle.com)
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once '../../../config.php';
  26  require_once $CFG->libdir.'/gradelib.php';
  27  require_once $CFG->dirroot.'/grade/lib.php';
  28  require_once $CFG->dirroot.'/grade/report/user/lib.php';
  29  
  30  $courseid = required_param('id', PARAM_INT);
  31  $userid   = optional_param('userid', $USER->id, PARAM_INT);
  32  
  33  $PAGE->set_url(new moodle_url('/grade/report/user/index.php', array('id'=>$courseid)));
  34  
  35  /// basic access checks
  36  if (!$course = $DB->get_record('course', array('id' => $courseid))) {
  37      print_error('nocourseid');
  38  }
  39  require_login($course);
  40  $PAGE->set_pagelayout('report');
  41  
  42  $context = context_course::instance($course->id);
  43  require_capability('gradereport/user:view', $context);
  44  
  45  if (empty($userid)) {
  46      require_capability('moodle/grade:viewall', $context);
  47  
  48  } else {
  49      if (!$DB->get_record('user', array('id'=>$userid, 'deleted'=>0)) or isguestuser($userid)) {
  50          print_error('invaliduser');
  51      }
  52  }
  53  
  54  $access = false;
  55  if (has_capability('moodle/grade:viewall', $context)) {
  56      //ok - can view all course grades
  57      $access = true;
  58  
  59  } else if ($userid == $USER->id and has_capability('moodle/grade:view', $context) and $course->showgrades) {
  60      //ok - can view own grades
  61      $access = true;
  62  
  63  } else if (has_capability('moodle/grade:viewall', context_user::instance($userid)) and $course->showgrades) {
  64      // ok - can view grades of this user- parent most probably
  65      $access = true;
  66  }
  67  
  68  if (!$access) {
  69      // no access to grades!
  70      print_error('nopermissiontoviewgrades', 'error',  $CFG->wwwroot.'/course/view.php?id='.$courseid);
  71  }
  72  
  73  /// return tracking object
  74  $gpr = new grade_plugin_return(array('type'=>'report', 'plugin'=>'user', 'courseid'=>$courseid, 'userid'=>$userid));
  75  
  76  /// last selected report session tracking
  77  if (!isset($USER->grade_last_report)) {
  78      $USER->grade_last_report = array();
  79  }
  80  $USER->grade_last_report[$course->id] = 'user';
  81  
  82  // First make sure we have proper final grades.
  83  grade_regrade_final_grades_if_required($course);
  84  
  85  if (has_capability('moodle/grade:viewall', $context)) { //Teachers will see all student reports
  86      $groupmode    = groups_get_course_groupmode($course);   // Groups are being used
  87      $currentgroup = groups_get_course_group($course, true);
  88  
  89      if (!$currentgroup) {      // To make some other functions work better later
  90          $currentgroup = NULL;
  91      }
  92  
  93      $isseparategroups = ($course->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context));
  94  
  95      if ($isseparategroups and (!$currentgroup)) {
  96          // no separate group access, can view only self
  97          $userid = $USER->id;
  98          $user_selector = false;
  99      } else {
 100          $user_selector = true;
 101      }
 102  
 103      $defaultgradeshowactiveenrol = !empty($CFG->grade_report_showonlyactiveenrol);
 104      $showonlyactiveenrol = get_user_preferences('grade_report_showonlyactiveenrol', $defaultgradeshowactiveenrol);
 105      $showonlyactiveenrol = $showonlyactiveenrol || !has_capability('moodle/course:viewsuspendedusers', $context);
 106      if (empty($userid)) {
 107          $gui = new graded_users_iterator($course, null, $currentgroup);
 108          $gui->require_active_enrolment($showonlyactiveenrol);
 109          $gui->init();
 110          // Add tabs
 111          print_grade_page_head($courseid, 'report', 'user');
 112          groups_print_course_menu($course, $gpr->get_return_url('index.php?id='.$courseid, array('userid'=>0)));
 113  
 114          if ($user_selector) {
 115              $renderer = $PAGE->get_renderer('gradereport_user');
 116              echo $renderer->graded_users_selector('user', $course, $userid, $currentgroup, true);
 117          }
 118  
 119          while ($userdata = $gui->next_user()) {
 120              $user = $userdata->user;
 121              $report = new grade_report_user($courseid, $gpr, $context, $user->id);
 122  
 123              $studentnamelink = html_writer::link(new moodle_url('/user/view.php', array('id' => $report->user->id, 'course' => $courseid)), fullname($report->user));
 124              echo $OUTPUT->heading(get_string('pluginname', 'gradereport_user') . ' - ' . $studentnamelink);
 125  
 126              if ($report->fill_table()) {
 127                  echo '<br />'.$report->print_table(true);
 128              }
 129              echo "<p style = 'page-break-after: always;'></p>";
 130          }
 131          $gui->close();
 132      } else { // Only show one user's report
 133          $report = new grade_report_user($courseid, $gpr, $context, $userid);
 134  
 135          $studentnamelink = html_writer::link(new moodle_url('/user/view.php', array('id' => $report->user->id, 'course' => $courseid)), fullname($report->user));
 136          print_grade_page_head($courseid, 'report', 'user', get_string('pluginname', 'gradereport_user') . ' - ' . $studentnamelink,
 137                  false, false, true, null, null, $report->user);
 138  
 139          groups_print_course_menu($course, $gpr->get_return_url('index.php?id='.$courseid, array('userid'=>0)));
 140  
 141          if ($user_selector) {
 142              $renderer = $PAGE->get_renderer('gradereport_user');
 143              $showallusersoptions = true;
 144              echo $renderer->graded_users_selector('user', $course, $userid, $currentgroup, $showallusersoptions);
 145          }
 146  
 147          if ($currentgroup and !groups_is_member($currentgroup, $userid)) {
 148              echo $OUTPUT->notification(get_string('groupusernotmember', 'error'));
 149          } else {
 150              if ($report->fill_table()) {
 151                  echo '<br />'.$report->print_table(true);
 152              }
 153          }
 154      }
 155  } else { //Students will see just their own report
 156  
 157      // Create a report instance
 158      $report = new grade_report_user($courseid, $gpr, $context, $userid);
 159  
 160      // print the page
 161      print_grade_page_head($courseid, 'report', 'user', get_string('pluginname', 'gradereport_user'). ' - '.fullname($report->user));
 162  
 163      if ($report->fill_table()) {
 164          echo '<br />'.$report->print_table(true);
 165      }
 166  }
 167  
 168  if (isset($report)) {
 169      // Trigger report viewed event.
 170      $report->viewed();
 171  } else {
 172      echo html_writer::tag('div', '', array('class' => 'clearfix'));
 173      echo $OUTPUT->notification(get_string('nostudentsyet'));
 174  }
 175  
 176  echo $OUTPUT->footer();