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Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403] [Versions 400 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      throw new \moodle_exception('invalidcoursemodule');
  21  }
  22  $cm = cm_info::create($cm);
  23  
  24  if (! $course = $DB->get_record("course", array("id" => $cm->course))) {
  25      throw new \moodle_exception('coursemisconf');
  26  }
  27  
  28  require_course_login($course, false, $cm);
  29  
  30  if (!$choice = choice_get_choice($cm->instance)) {
  31      throw new \moodle_exception('invalidcoursemodule');
  32  }
  33  
  34  $strchoice = get_string('modulename', 'choice');
  35  $strchoices = get_string('modulenameplural', 'choice');
  36  
  37  $context = context_module::instance($cm->id);
  38  
  39  list($choiceavailable, $warnings) = choice_get_availability_status($choice);
  40  
  41  if ($action == 'delchoice' and confirm_sesskey() and is_enrolled($context, NULL, 'mod/choice:choose') and $choice->allowupdate
  42          and $choiceavailable) {
  43      $answercount = $DB->count_records('choice_answers', array('choiceid' => $choice->id, 'userid' => $USER->id));
  44      if ($answercount > 0) {
  45          $choiceanswers = $DB->get_records('choice_answers', array('choiceid' => $choice->id, 'userid' => $USER->id),
  46              '', 'id');
  47          $todelete = array_keys($choiceanswers);
  48          choice_delete_responses($todelete, $choice, $cm, $course);
  49          redirect("view.php?id=$cm->id");
  50      }
  51  }
  52  
  53  $PAGE->set_title($choice->name);
  54  $PAGE->set_heading($course->fullname);
  55  
  56  /// Submit any new data if there is any
  57  if (data_submitted() && !empty($action) && confirm_sesskey()) {
  58      $timenow = time();
  59      if (has_capability('mod/choice:deleteresponses', $context)) {
  60          if ($action === 'delete') {
  61              // Some responses need to be deleted.
  62              choice_delete_responses($attemptids, $choice, $cm, $course);
  63              redirect("view.php?id=$cm->id");
  64          }
  65          if (preg_match('/^choose_(\d+)$/', $action, $actionmatch)) {
  66              // Modify responses of other users.
  67              $newoptionid = (int)$actionmatch[1];
  68              choice_modify_responses($userids, $attemptids, $newoptionid, $choice, $cm, $course);
  69              redirect("view.php?id=$cm->id");
  70          }
  71      }
  72  
  73      // Redirection after all POSTs breaks block editing, we need to be more specific!
  74      if ($choice->allowmultiple) {
  75          $answer = optional_param_array('answer', array(), PARAM_INT);
  76      } else {
  77          $answer = optional_param('answer', '', PARAM_INT);
  78      }
  79  
  80      if (!$choiceavailable) {
  81          $reason = current(array_keys($warnings));
  82          throw new moodle_exception($reason, 'choice', '', $warnings[$reason]);
  83      }
  84  
  85      if ($answer && is_enrolled($context, null, 'mod/choice:choose')) {
  86          choice_user_submit_response($answer, $choice, $USER->id, $course, $cm);
  87          redirect(new moodle_url('/mod/choice/view.php',
  88              array('id' => $cm->id, 'notify' => 'choicesaved', 'sesskey' => sesskey())));
  89      } else if (empty($answer) and $action === 'makechoice') {
  90          // We cannot use the 'makechoice' alone because there might be some legacy renderers without it,
  91          // outdated renderers will not get the 'mustchoose' message - bad luck.
  92          redirect(new moodle_url('/mod/choice/view.php',
  93              array('id' => $cm->id, 'notify' => 'mustchooseone', 'sesskey' => sesskey())));
  94      }
  95  }
  96  
  97  // Completion and trigger events.
  98  choice_view($choice, $course, $cm, $context);
  99  
 100  $PAGE->add_body_class('limitedwidth');
 101  
 102  echo $OUTPUT->header();
 103  
 104  if ($notify and confirm_sesskey()) {
 105      if ($notify === 'choicesaved') {
 106          echo $OUTPUT->notification(get_string('choicesaved', 'choice'), 'notifysuccess');
 107      } else if ($notify === 'mustchooseone') {
 108          echo $OUTPUT->notification(get_string('mustchooseone', 'choice'), 'notifyproblem');
 109      }
 110  }
 111  
 112  /// Display the choice and possibly results
 113  $eventdata = array();
 114  $eventdata['objectid'] = $choice->id;
 115  $eventdata['context'] = $context;
 116  
 117  /// Check to see if groups are being used in this choice
 118  $groupmode = groups_get_activity_groupmode($cm);
 119  
 120  // Check if we want to include responses from inactive users.
 121  $onlyactive = $choice->includeinactive ? false : true;
 122  
 123  $allresponses = choice_get_response_data($choice, $cm, $groupmode, $onlyactive);   // Big function, approx 6 SQL calls per user.
 124  
 125  
 126  if (has_capability('mod/choice:readresponses', $context) && !$PAGE->has_secondary_navigation()) {
 127      choice_show_reportlink($allresponses, $cm);
 128  }
 129  
 130  echo '<div class="clearer"></div>';
 131  
 132  $timenow = time();
 133  $current = choice_get_my_response($choice);
 134  //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.
 135  if (isloggedin() && (!empty($current)) &&
 136      (empty($choice->allowupdate) || ($timenow > $choice->timeclose)) ) {
 137      $choicetexts = array();
 138      foreach ($current as $c) {
 139          $choicetexts[] = format_string(choice_get_option_text($choice, $c->optionid));
 140      }
 141      echo $OUTPUT->box(get_string("yourselection", "choice") . ": " . implode('; ', $choicetexts), 'generalbox', 'yourselection');
 142  }
 143  
 144  /// Print the form
 145  $choiceopen = true;
 146  if ((!empty($choice->timeopen)) && ($choice->timeopen > $timenow)) {
 147      if ($choice->showpreview) {
 148          echo $OUTPUT->box(get_string('previewing', 'choice'), 'generalbox alert');
 149      } else {
 150          echo $OUTPUT->footer();
 151          exit;
 152      }
 153  } else if ((!empty($choice->timeclose)) && ($timenow > $choice->timeclose)) {
 154      $choiceopen = false;
 155  }
 156  
 157  if ( (!$current or $choice->allowupdate) and $choiceopen and is_enrolled($context, NULL, 'mod/choice:choose')) {
 158  
 159      // Show information on how the results will be published to students.
 160      $publishinfo = null;
 161      switch ($choice->showresults) {
 162          case CHOICE_SHOWRESULTS_NOT:
 163              $publishinfo = get_string('publishinfonever', 'choice');
 164              break;
 165  
 166          case CHOICE_SHOWRESULTS_AFTER_ANSWER:
 167              if ($choice->publish == CHOICE_PUBLISH_ANONYMOUS) {
 168                  $publishinfo = get_string('publishinfoanonafter', 'choice');
 169              } else {
 170                  $publishinfo = get_string('publishinfofullafter', 'choice');
 171              }
 172              break;
 173  
 174          case CHOICE_SHOWRESULTS_AFTER_CLOSE:
 175              if ($choice->publish == CHOICE_PUBLISH_ANONYMOUS) {
 176                  $publishinfo = get_string('publishinfoanonclose', 'choice');
 177              } else {
 178                  $publishinfo = get_string('publishinfofullclose', 'choice');
 179              }
 180              break;
 181  
 182          default:
 183              // No need to inform the user in the case of CHOICE_SHOWRESULTS_ALWAYS since it's already obvious that the results are
 184              // being published.
 185              break;
 186      }
 187  
 188      // Show info if necessary.
 189      if (!empty($publishinfo)) {
 190          echo $OUTPUT->notification($publishinfo, 'info');
 191      }
 192  
 193      // They haven't made their choice yet or updates allowed and choice is open.
 194      $options = choice_prepare_options($choice, $USER, $cm, $allresponses);
 195      $renderer = $PAGE->get_renderer('mod_choice');
 196      echo $renderer->display_options($options, $cm->id, $choice->display, $choice->allowmultiple);
 197      $choiceformshown = true;
 198  } else {
 199      $choiceformshown = false;
 200  }
 201  
 202  if (!$choiceformshown) {
 203      $sitecontext = context_system::instance();
 204  
 205      if (isguestuser()) {
 206          // Guest account
 207          echo $OUTPUT->confirm(get_string('noguestchoose', 'choice').'<br /><br />'.get_string('liketologin'),
 208                       get_login_url(), new moodle_url('/course/view.php', array('id'=>$course->id)));
 209      } else if (!is_enrolled($context)) {
 210          // Only people enrolled can make a choice
 211          $SESSION->wantsurl = qualified_me();
 212          $SESSION->enrolcancel = get_local_referer(false);
 213  
 214          $coursecontext = context_course::instance($course->id);
 215          $courseshortname = format_string($course->shortname, true, array('context' => $coursecontext));
 216  
 217          echo $OUTPUT->box_start('generalbox', 'notice');
 218          echo '<p align="center">'. get_string('notenrolledchoose', 'choice') .'</p>';
 219          echo $OUTPUT->container_start('continuebutton');
 220          echo $OUTPUT->single_button(new moodle_url('/enrol/index.php?', array('id'=>$course->id)), get_string('enrolme', 'core_enrol', $courseshortname));
 221          echo $OUTPUT->container_end();
 222          echo $OUTPUT->box_end();
 223  
 224      }
 225  }
 226  
 227  // print the results at the bottom of the screen
 228  if (choice_can_view_results($choice, $current, $choiceopen)) {
 229      $results = prepare_choice_show_results($choice, $course, $cm, $allresponses);
 230      $renderer = $PAGE->get_renderer('mod_choice');
 231      if ($results->publish) { // If set to publish full results, display a heading for the responses section.
 232          echo html_writer::tag('h3', format_string(get_string("responses", "choice")), ['class' => 'mt-4']);
 233      }
 234  
 235      if ($groupmode) { // If group mode is enabled, display the groups selector.
 236          groups_get_activity_group($cm, true);
 237          $groupsactivitymenu = groups_print_activity_menu($cm, new moodle_url('/mod/choice/view.php', ['id' => $id]),
 238              true);
 239          echo html_writer::div($groupsactivitymenu, 'mt-3 mb-1');
 240      }
 241  
 242      $resultstable = $renderer->display_result($results);
 243      echo $OUTPUT->box($resultstable);
 244  
 245  } else if (!$choiceformshown) {
 246      echo $OUTPUT->box(get_string('noresultsviewable', 'choice'));
 247  }
 248  
 249  echo $OUTPUT->footer();