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Differences Between: [Versions 39 and 311] [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]

   1  <?php
   2  
   3  require_once("../../config.php");
   4  require_once ("lib.php");
   5  require_once($CFG->libdir . '/completionlib.php');
   6  
   7  $id         = required_param('id', PARAM_INT);                 // Course Module ID
   8  $action     = optional_param('action', '', PARAM_ALPHANUMEXT);
   9  $attemptids = optional_param_array('attemptid', array(), PARAM_INT); // Get array of responses to delete or modify.
  10  $userids    = optional_param_array('userid', array(), PARAM_INT); // Get array of users whose choices need to be modified.
  11  $notify     = optional_param('notify', '', PARAM_ALPHA);
  12  
  13  $url = new moodle_url('/mod/choice/view.php', array('id'=>$id));
  14  if ($action !== '') {
  15      $url->param('action', $action);
  16  }
  17  $PAGE->set_url($url);
  18  
  19  if (! $cm = get_coursemodule_from_id('choice', $id)) {
  20      print_error('invalidcoursemodule');
  21  }
  22  
  23  if (! $course = $DB->get_record("course", array("id" => $cm->course))) {
  24      print_error('coursemisconf');
  25  }
  26  
  27  require_course_login($course, false, $cm);
  28  
  29  if (!$choice = choice_get_choice($cm->instance)) {
  30      print_error('invalidcoursemodule');
  31  }
  32  
  33  $strchoice = get_string('modulename', 'choice');
  34  $strchoices = get_string('modulenameplural', 'choice');
  35  
  36  $context = context_module::instance($cm->id);
  37  
  38  list($choiceavailable, $warnings) = choice_get_availability_status($choice);
  39  
  40  if ($action == 'delchoice' and confirm_sesskey() and is_enrolled($context, NULL, 'mod/choice:choose') and $choice->allowupdate
  41          and $choiceavailable) {
  42      $answercount = $DB->count_records('choice_answers', array('choiceid' => $choice->id, 'userid' => $USER->id));
  43      if ($answercount > 0) {
  44          $choiceanswers = $DB->get_records('choice_answers', array('choiceid' => $choice->id, 'userid' => $USER->id),
  45              '', 'id');
  46          $todelete = array_keys($choiceanswers);
  47          choice_delete_responses($todelete, $choice, $cm, $course);
  48          redirect("view.php?id=$cm->id");
  49      }
  50  }
  51  
  52  $PAGE->set_title($choice->name);
  53  $PAGE->set_heading($course->fullname);
  54  
  55  /// Submit any new data if there is any
  56  if (data_submitted() && !empty($action) && confirm_sesskey()) {
  57      $timenow = time();
  58      if (has_capability('mod/choice:deleteresponses', $context)) {
  59          if ($action === 'delete') {
  60              // Some responses need to be deleted.
  61              choice_delete_responses($attemptids, $choice, $cm, $course);
  62              redirect("view.php?id=$cm->id");
  63          }
  64          if (preg_match('/^choose_(\d+)$/', $action, $actionmatch)) {
  65              // Modify responses of other users.
  66              $newoptionid = (int)$actionmatch[1];
  67              choice_modify_responses($userids, $attemptids, $newoptionid, $choice, $cm, $course);
  68              redirect("view.php?id=$cm->id");
  69          }
  70      }
  71  
  72      // Redirection after all POSTs breaks block editing, we need to be more specific!
  73      if ($choice->allowmultiple) {
  74          $answer = optional_param_array('answer', array(), PARAM_INT);
  75      } else {
  76          $answer = optional_param('answer', '', PARAM_INT);
  77      }
  78  
  79      if (!$choiceavailable) {
  80          $reason = current(array_keys($warnings));
  81          throw new moodle_exception($reason, 'choice', '', $warnings[$reason]);
  82      }
  83  
  84      if ($answer && is_enrolled($context, null, 'mod/choice:choose')) {
  85          choice_user_submit_response($answer, $choice, $USER->id, $course, $cm);
  86          redirect(new moodle_url('/mod/choice/view.php',
  87              array('id' => $cm->id, 'notify' => 'choicesaved', 'sesskey' => sesskey())));
  88      } else if (empty($answer) and $action === 'makechoice') {
  89          // We cannot use the 'makechoice' alone because there might be some legacy renderers without it,
  90          // outdated renderers will not get the 'mustchoose' message - bad luck.
  91          redirect(new moodle_url('/mod/choice/view.php',
  92              array('id' => $cm->id, 'notify' => 'mustchooseone', 'sesskey' => sesskey())));
  93      }
  94  }
  95  
  96  // Completion and trigger events.
  97  choice_view($choice, $course, $cm, $context);
  98  
  99  echo $OUTPUT->header();
 100  echo $OUTPUT->heading(format_string($choice->name), 2, null);
 101  
 102  if ($notify and confirm_sesskey()) {
 103      if ($notify === 'choicesaved') {
 104          echo $OUTPUT->notification(get_string('choicesaved', 'choice'), 'notifysuccess');
 105      } else if ($notify === 'mustchooseone') {
 106          echo $OUTPUT->notification(get_string('mustchooseone', 'choice'), 'notifyproblem');
 107      }
 108  }
 109  
 110  /// Display the choice and possibly results
 111  $eventdata = array();
 112  $eventdata['objectid'] = $choice->id;
 113  $eventdata['context'] = $context;
 114  
 115  /// Check to see if groups are being used in this choice
 116  $groupmode = groups_get_activity_groupmode($cm);
 117  
 118  if ($groupmode) {
 119      groups_get_activity_group($cm, true);
 120      groups_print_activity_menu($cm, $CFG->wwwroot . '/mod/choice/view.php?id='.$id);
 121  }
 122  
 123  // Check if we want to include responses from inactive users.
 124  $onlyactive = $choice->includeinactive ? false : true;
 125  
 126  $allresponses = choice_get_response_data($choice, $cm, $groupmode, $onlyactive);   // Big function, approx 6 SQL calls per user.
 127  
 128  
 129  if (has_capability('mod/choice:readresponses', $context)) {
 130      choice_show_reportlink($allresponses, $cm);
 131  }
 132  
 133  echo '<div class="clearer"></div>';
 134  
 135  if ($choice->intro) {
 136      echo $OUTPUT->box(format_module_intro('choice', $choice, $cm->id), 'generalbox', 'intro');
 137  }
 138  
 139  $timenow = time();
 140  $current = choice_get_my_response($choice);
 141  //if user has already made a selection, and they are not allowed to update it or if choice is not open, show their selected answer.
 142  if (isloggedin() && (!empty($current)) &&
 143      (empty($choice->allowupdate) || ($timenow > $choice->timeclose)) ) {
 144      $choicetexts = array();
 145      foreach ($current as $c) {
 146          $choicetexts[] = format_string(choice_get_option_text($choice, $c->optionid));
 147      }
 148      echo $OUTPUT->box(get_string("yourselection", "choice", userdate($choice->timeopen)).": ".implode('; ', $choicetexts), 'generalbox', 'yourselection');
 149  }
 150  
 151  /// Print the form
 152  $choiceopen = true;
 153  if ((!empty($choice->timeopen)) && ($choice->timeopen > $timenow)) {
 154      if ($choice->showpreview) {
 155          echo $OUTPUT->box(get_string('previewonly', 'choice', userdate($choice->timeopen)), 'generalbox alert');
 156      } else {
 157          echo $OUTPUT->box(get_string("notopenyet", "choice", userdate($choice->timeopen)), "generalbox notopenyet");
 158          echo $OUTPUT->footer();
 159          exit;
 160      }
 161  } else if ((!empty($choice->timeclose)) && ($timenow > $choice->timeclose)) {
 162      echo $OUTPUT->box(get_string("expired", "choice", userdate($choice->timeclose)), "generalbox expired");
 163      $choiceopen = false;
 164  }
 165  
 166  if ( (!$current or $choice->allowupdate) and $choiceopen and is_enrolled($context, NULL, 'mod/choice:choose')) {
 167  
 168      // Show information on how the results will be published to students.
 169      $publishinfo = null;
 170      switch ($choice->showresults) {
 171          case CHOICE_SHOWRESULTS_NOT:
 172              $publishinfo = get_string('publishinfonever', 'choice');
 173              break;
 174  
 175          case CHOICE_SHOWRESULTS_AFTER_ANSWER:
 176              if ($choice->publish == CHOICE_PUBLISH_ANONYMOUS) {
 177                  $publishinfo = get_string('publishinfoanonafter', 'choice');
 178              } else {
 179                  $publishinfo = get_string('publishinfofullafter', 'choice');
 180              }
 181              break;
 182  
 183          case CHOICE_SHOWRESULTS_AFTER_CLOSE:
 184              if ($choice->publish == CHOICE_PUBLISH_ANONYMOUS) {
 185                  $publishinfo = get_string('publishinfoanonclose', 'choice');
 186              } else {
 187                  $publishinfo = get_string('publishinfofullclose', 'choice');
 188              }
 189              break;
 190  
 191          default:
 192              // No need to inform the user in the case of CHOICE_SHOWRESULTS_ALWAYS since it's already obvious that the results are
 193              // being published.
 194              break;
 195      }
 196  
 197      // Show info if necessary.
 198      if (!empty($publishinfo)) {
 199          echo $OUTPUT->notification($publishinfo, 'info');
 200      }
 201  
 202      // They haven't made their choice yet or updates allowed and choice is open.
 203      $options = choice_prepare_options($choice, $USER, $cm, $allresponses);
 204      $renderer = $PAGE->get_renderer('mod_choice');
 205      echo $renderer->display_options($options, $cm->id, $choice->display, $choice->allowmultiple);
 206      $choiceformshown = true;
 207  } else {
 208      $choiceformshown = false;
 209  }
 210  
 211  if (!$choiceformshown) {
 212      $sitecontext = context_system::instance();
 213  
 214      if (isguestuser()) {
 215          // Guest account
 216          echo $OUTPUT->confirm(get_string('noguestchoose', 'choice').'<br /><br />'.get_string('liketologin'),
 217                       get_login_url(), new moodle_url('/course/view.php', array('id'=>$course->id)));
 218      } else if (!is_enrolled($context)) {
 219          // Only people enrolled can make a choice
 220          $SESSION->wantsurl = qualified_me();
 221          $SESSION->enrolcancel = get_local_referer(false);
 222  
 223          $coursecontext = context_course::instance($course->id);
 224          $courseshortname = format_string($course->shortname, true, array('context' => $coursecontext));
 225  
 226          echo $OUTPUT->box_start('generalbox', 'notice');
 227          echo '<p align="center">'. get_string('notenrolledchoose', 'choice') .'</p>';
 228          echo $OUTPUT->container_start('continuebutton');
 229          echo $OUTPUT->single_button(new moodle_url('/enrol/index.php?', array('id'=>$course->id)), get_string('enrolme', 'core_enrol', $courseshortname));
 230          echo $OUTPUT->container_end();
 231          echo $OUTPUT->box_end();
 232  
 233      }
 234  }
 235  
 236  // print the results at the bottom of the screen
 237  if (choice_can_view_results($choice, $current, $choiceopen)) {
 238      $results = prepare_choice_show_results($choice, $course, $cm, $allresponses);
 239      $renderer = $PAGE->get_renderer('mod_choice');
 240      $resultstable = $renderer->display_result($results);
 241      echo $OUTPUT->box($resultstable);
 242  
 243  } else if (!$choiceformshown) {
 244      echo $OUTPUT->box(get_string('noresultsviewable', 'choice'));
 245  }
 246  
 247  echo $OUTPUT->footer();