mod/feedback/complete_guest.php

   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  * prints the form so an anonymous user can fill out the feedback on the mainsite
  19  *
  20  * @author Andreas Grabs
  21  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  22  * @package mod_feedback
  23  */
  24
  25 require_once("../../config.php");
  26 require_once("lib.php");
  27
  28 feedback_init_feedback_session();
  29
  30 $id = required_param('id', PARAM_INT);
  31 $completedid = optional_param('completedid', false, PARAM_INT);
  32 $preservevalues  = optional_param('preservevalues', 0,  PARAM_INT);
  33 $courseid = optional_param('courseid', false, PARAM_INT);
  34 $gopage = optional_param('gopage', -1, PARAM_INT);
  35 $lastpage = optional_param('lastpage', false, PARAM_INT);
  36 $startitempos = optional_param('startitempos', 0, PARAM_INT);
  37 $lastitempos = optional_param('lastitempos', 0, PARAM_INT);
  38
  39 $url = new moodle_url('/mod/feedback/complete_guest.php', array('id'=>$id));
  40 if ($completedid !== false) {
  41     $url->param('completedid', $completedid);
  42 }
  43 if ($preservevalues !== 0) {
  44     $url->param('preservevalues', $preservevalues);
  45 }
  46 if ($courseid !== false) {
  47     $url->param('courseid', $courseid);
  48 }
  49 if ($gopage !== -1) {
  50     $url->param('gopage', $gopage);
  51 }
  52 if ($lastpage !== false) {
  53     $url->param('lastpage', $lastpage);
  54 }
  55 if ($startitempos !== 0) {
  56     $url->param('startitempos', $startitempos);
  57 }
  58 if ($lastitempos !== 0) {
  59     $url->param('lastitempos', $lastitempos);
  60 }
  61 $PAGE->set_url($url);
  62
  63 $highlightrequired = false;
  64
  65 if (($formdata = data_submitted()) AND !confirm_sesskey()) {
  66     print_error('invalidsesskey');
  67 }
  68
  69 //if the use hit enter into a textfield so the form should not submit
  70 if (isset($formdata->sesskey) AND
  71    !isset($formdata->savevalues) AND
  72    !isset($formdata->gonextpage) AND
  73    !isset($formdata->gopreviouspage)) {
  74
  75     $gopage = (int) $formdata->lastpage;
  76 }
  77 if (isset($formdata->savevalues)) {
  78     $savevalues = true;
  79 } else {
  80     $savevalues = false;
  81 }
  82
  83 if ($gopage < 0 AND !$savevalues) {
  84     if (isset($formdata->gonextpage)) {
  85         $gopage = $lastpage + 1;
  86         $gonextpage = true;
  87         $gopreviouspage = false;
  88     } else if (isset($formdata->gopreviouspage)) {
  89         $gopage = $lastpage - 1;
  90         $gonextpage = false;
  91         $gopreviouspage = true;
  92     } else {
  93         print_error('parameters_missing', 'feedback');
  94     }
  95 } else {
  96     $gonextpage = $gopreviouspage = false;
  97 }
  98
  99 if (! $cm = get_coursemodule_from_id('feedback', $id)) {
 100     print_error('invalidcoursemodule');
 101 }
 102
 103 if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
 104     print_error('coursemisconf');
 105 }
 106
 107 if (! $feedback = $DB->get_record("feedback", array("id"=>$cm->instance))) {
 108     print_error('invalidcoursemodule');
 109 }
 110
 111 $context = context_module::instance($cm->id);
 112
 113 $feedback_complete_cap = false;
 114
 115 if (isset($CFG->feedback_allowfullanonymous)
 116             AND $CFG->feedback_allowfullanonymous
 117             AND $course->id == SITEID
 118             AND (!$courseid OR $courseid == SITEID)
 119             AND $feedback->anonymous == FEEDBACK_ANONYMOUS_YES ) {
 120     $feedback_complete_cap = true;
 121 }
 122
 123 //check whether the feedback is anonymous
 124 if (isset($CFG->feedback_allowfullanonymous)
 125                 AND $CFG->feedback_allowfullanonymous
 126                 AND $feedback->anonymous == FEEDBACK_ANONYMOUS_YES
 127                 AND $course->id == SITEID ) {
 128     $feedback_complete_cap = true;
 129 }
 130 if ($feedback->anonymous != FEEDBACK_ANONYMOUS_YES) {
 131     print_error('feedback_is_not_for_anonymous', 'feedback');
 132 }
 133
 134 //check whether the user has a session
 135 // there used to be a sesskey test - this could not work - sorry
 136
 137 //check whether the feedback is located and! started from the mainsite
 138 if ($course->id == SITEID AND !$courseid) {
 139     $courseid = SITEID;
 140 }
 141
 142 require_course_login($course);
 143
 144 if ($courseid AND $courseid != SITEID) {
 145     $course2 = $DB->get_record('course', array('id'=>$courseid));
 146     require_course_login($course2); //this overwrites the object $course :-(
 147     $course = $DB->get_record("course", array("id"=>$cm->course)); // the workaround
 148 }
 149
 150 if (!$feedback_complete_cap) {
 151     print_error('error');
 152 }
 153
 154
 155 /// Print the page header
 156 $strfeedbacks = get_string("modulenameplural", "feedback");
 157 $strfeedback  = get_string("modulename", "feedback");
 158
 159 $PAGE->set_cm($cm, $course); // set's up global $COURSE
 160 $PAGE->set_pagelayout('incourse');
 161
 162 $urlparams = array('id'=>$course->id);
 163 $PAGE->navbar->add($strfeedbacks, new moodle_url('/mod/feedback/index.php', $urlparams));
 164 $PAGE->navbar->add(format_string($feedback->name));
 165 $PAGE->set_heading($course->fullname);
 166 $PAGE->set_title($feedback->name);
 167 echo $OUTPUT->header();
 168
 169 //ishidden check.
 170 //hidden feedbacks except feedbacks on mainsite are only accessible with related capabilities
 171 if ((empty($cm->visible) AND
 172         !has_capability('moodle/course:viewhiddenactivities', $context)) AND
 173         $course->id != SITEID) {
 174     notice(get_string("activityiscurrentlyhidden"));
 175 }
 176
 177 //check, if the feedback is open (timeopen, timeclose)
 178 $checktime = time();
 179
 180 $feedback_is_closed = ($feedback->timeopen > $checktime) ||
 181                       ($feedback->timeclose < $checktime &&
 182                             $feedback->timeclose > 0);
 183
 184 if ($feedback_is_closed) {
 185     echo $OUTPUT->box_start('generalbox boxaligncenter');
 186     echo $OUTPUT->notification(get_string('feedback_is_not_open', 'feedback'));
 187     echo $OUTPUT->continue_button($CFG->wwwroot.'/course/view.php?id='.$course->id);
 188     echo $OUTPUT->box_end();
 189     echo $OUTPUT->footer();
 190     exit;
 191 }
 192
 193 //additional check for multiple-submit (prevent browsers back-button).
 194 //the main-check is in view.php
 195 $feedback_can_submit = true;
 196 if ($feedback->multiple_submit == 0 ) {
 197     if (feedback_is_already_submitted($feedback->id, $courseid)) {
 198         $feedback_can_submit = false;
 199     }
 200 }
 201 if ($feedback_can_submit) {
 202     //preserving the items
 203     if ($preservevalues == 1) {
 204         if (!$SESSION->feedback->is_started == true) {
 205             print_error('error', 'error', $CFG->wwwroot.'/course/view.php?id='.$course->id);
 206         }
 207         //check, if all required items have a value
 208         if (feedback_check_values($startitempos, $lastitempos)) {
 209             $userid = $USER->id; //arb
 210             if ($completedid = feedback_save_guest_values(sesskey())) {
 211                 //now it can be saved
 212                 if (!$gonextpage AND !$gopreviouspage) {
 213                     $preservevalues = false;
 214                 }
 215
 216             } else {
 217                 $savereturn = 'failed';
 218                 if (isset($lastpage)) {
 219                     $gopage = $lastpage;
 220                 } else {
 221                     print_error('parameters_missing', 'feedback');
 222                 }
 223             }
 224         } else {
 225             $savereturn = 'missing';
 226             $highlightrequired = true;
 227             if (isset($lastpage)) {
 228                 $gopage = $lastpage;
 229             } else {
 230                 print_error('parameters_missing', 'feedback');
 231             }
 232         }
 233     }
 234
 235     //saving the items
 236     if ($savevalues AND !$preservevalues) {
 237         //exists there any pagebreak, so there are values in the feedback_valuetmp
 238         //arb changed from 0 to $USER->id
 239         //no strict anonymous feedbacks
 240         //if it is a guest taking it then I want to know that it was
 241         //a guest (at least in the data saved in the feedback tables)
 242         $userid = $USER->id;
 243
 244         $params = array('id'=>$completedid);
 245         $feedbackcompletedtmp = $DB->get_record('feedback_completedtmp', $params);
 246
 247         //fake saving for switchrole
 248         $is_switchrole = feedback_check_is_switchrole();
 249         if ($is_switchrole) {
 250             $savereturn = 'saved';
 251             feedback_delete_completedtmp($completedid);
 252         } else {
 253             $new_completed_id = feedback_save_tmp_values($feedbackcompletedtmp, false, $userid);
 254             if ($new_completed_id) {
 255                 $savereturn = 'saved';
 256                 feedback_send_email_anonym($cm, $feedback, $course, $userid);
 257                 unset($SESSION->feedback->is_started);
 258
 259             } else {
 260                 $savereturn = 'failed';
 261             }
 262         }
 263     }
 264
 265     if ($allbreaks = feedback_get_all_break_positions($feedback->id)) {
 266         if ($gopage <= 0) {
 267             $startposition = 0;
 268         } else {
 269             if (!isset($allbreaks[$gopage - 1])) {
 270                 $gopage = count($allbreaks);
 271             }
 272             $startposition = $allbreaks[$gopage - 1];
 273         }
 274         $ispagebreak = true;
 275     } else {
 276         $startposition = 0;
 277         $newpage = 0;
 278         $ispagebreak = false;
 279     }
 280
 281     //get the feedbackitems after the last shown pagebreak
 282     $select = 'feedback = ? AND position > ?';
 283     $params = array($feedback->id, $startposition);
 284     $feedbackitems = $DB->get_records_select('feedback_item', $select, $params, 'position');
 285
 286     //get the first pagebreak
 287     $params = array('feedback'=>$feedback->id, 'typ'=>'pagebreak');
 288     if ($pagebreaks = $DB->get_records('feedback_item', $params, 'position')) {
 289         $pagebreaks = array_values($pagebreaks);
 290         $firstpagebreak = $pagebreaks[0];
 291     } else {
 292         $firstpagebreak = false;
 293     }
 294     $maxitemcount = $DB->count_records('feedback_item', array('feedback'=>$feedback->id));
 295     $feedbackcompletedtmp = feedback_get_current_completed($feedback->id,
 296                                                            true,
 297                                                            $courseid,
 298                                                            sesskey());
 299
 300     /// Print the main part of the page
 301     ///////////////////////////////////////////////////////////////////////////
 302     ///////////////////////////////////////////////////////////////////////////
 303     ///////////////////////////////////////////////////////////////////////////
 304     $analysisurl = new moodle_url('/mod/feedback/analysis.php', array('id'=>$id));
 305     if ($courseid > 0) {
 306         $analysisurl->param('courseid', $courseid);
 307     }
 308     echo $OUTPUT->heading(format_text($feedback->name));
 309
 310     if ( (intval($feedback->publish_stats) == 1) AND
 311             ( has_capability('mod/feedback:viewanalysepage', $context)) AND
 312             !( has_capability('mod/feedback:viewreports', $context)) ) {
 313         echo $OUTPUT->box_start('mdl-align');
 314         echo '<a href="'.$analysisurl->out().'">';
 315         echo get_string('completed_feedbacks', 'feedback');
 316         echo '</a>';
 317         echo $OUTPUT->box_end();
 318     }
 319
 320     if (isset($savereturn) && $savereturn == 'saved') {
 321         if ($feedback->page_after_submit) {
 322             require_once($CFG->libdir . '/filelib.php');
 323
 324             $page_after_submit_output = file_rewrite_pluginfile_urls($feedback->page_after_submit,
 325                                                                     'pluginfile.php',
 326                                                                     $context->id,
 327                                                                     'mod_feedback',
 328                                                                     'page_after_submit',
 329                                                                     0);
 330
 331             echo $OUTPUT->box_start('generalbox boxaligncenter boxwidthwide');
 332             echo format_text($page_after_submit_output,
 333                              $feedback->page_after_submitformat,
 334                              array('overflowdiv' => true));
 335             echo $OUTPUT->box_end();
 336         } else {
 337             echo '<p align="center"><b><font color="green">';
 338             echo get_string('entries_saved', 'feedback');
 339             echo '</font></b></p>';
 340             if ( intval($feedback->publish_stats) == 1) {
 341                 echo '<p align="center"><a href="'.$analysisurl->out().'">';
 342                 echo get_string('completed_feedbacks', 'feedback').'</a>';
 343                 echo '</p>';
 344             }
 345         }
 346         if ($feedback->site_after_submit) {
 347             $url = feedback_encode_target_url($feedback->site_after_submit);
 348         } else {
 349             if ($courseid) {
 350                 if ($courseid == SITEID) {
 351                     $url = $CFG->wwwroot;
 352                 } else {
 353                     $url = $CFG->wwwroot.'/course/view.php?id='.$courseid;
 354                 }
 355             } else {
 356                 if ($course->id == SITEID) {
 357                     $url = $CFG->wwwroot;
 358                 } else {
 359                     $url = $CFG->wwwroot.'/course/view.php?id='.$course->id;
 360                 }
 361             }
 362         }
 363         echo $OUTPUT->continue_button($url);
 364     } else {
 365         if (isset($savereturn) && $savereturn == 'failed') {
 366             echo $OUTPUT->box_start('mform');
 367             echo '<span class="error">'.get_string('saving_failed', 'feedback').'</span>';
 368             echo $OUTPUT->box_end();
 369         }
 370
 371         if (isset($savereturn) && $savereturn == 'missing') {
 372             echo $OUTPUT->box_start('mform');
 373             echo '<span class="error">'.get_string('saving_failed_because_missing_or_false_values', 'feedback').'</span>';
 374             echo $OUTPUT->box_end();
 375         }
 376
 377         //print the items
 378         if (is_array($feedbackitems)) {
 379             echo $OUTPUT->box_start('feedback_form');
 380             echo '<form action="complete_guest.php" class="mform" method="post" onsubmit=" ">';
 381             echo '<fieldset>';
 382             echo '<input type="hidden" name="anonymous" value="0" />';
 383             $inputvalue = 'value="'.FEEDBACK_ANONYMOUS_YES.'"';
 384             echo '<input type="hidden" name="anonymous_response" '.$inputvalue.' />';
 385             echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
 386             //check, if there exists required-elements
 387             $params = array('feedback'=>$feedback->id, 'required'=>1);
 388             $countreq = $DB->count_records('feedback_item', $params);
 389             if ($countreq > 0) {
 390                 echo '<div class="fdescription required">';
 391                 echo get_string('somefieldsrequired', 'form', '<img alt="'.get_string('requiredelement', 'form').
 392                     '" src="'.$OUTPUT->pix_url('req') .'" class="req" />');
 393                 echo '</div>';
 394             }
 395             echo $OUTPUT->box_start('feedback_items');
 396
 397             $startitem = null;
 398             $select = 'feedback = ? AND hasvalue = 1 AND position < ?';
 399             $params = array($feedback->id, $startposition);
 400             $itemnr = $DB->count_records_select('feedback_item', $select, $params);
 401             $lastbreakposition = 0;
 402             $align = right_to_left() ? 'right' : 'left';
 403
 404             foreach ($feedbackitems as $feedbackitem) {
 405                 if (!isset($startitem)) {
 406                     //avoid showing double pagebreaks
 407                     if ($feedbackitem->typ == 'pagebreak') {
 408                         continue;
 409                     }
 410                     $startitem = $feedbackitem;
 411                 }
 412
 413                 if ($feedbackitem->dependitem > 0) {
 414                     //chech if the conditions are ok
 415                     $fb_compare_value = feedback_compare_item_value($feedbackcompletedtmp->id,
 416                                                                     $feedbackitem->dependitem,
 417                                                                     $feedbackitem->dependvalue,
 418                                                                     true);
 419                     if (!isset($feedbackcompletedtmp->id) OR !$fb_compare_value) {
 420                         $lastitem = $feedbackitem;
 421                         $lastbreakposition = $feedbackitem->position;
 422                         continue;
 423                     }
 424                 }
 425
 426                 if ($feedbackitem->dependitem > 0) {
 427                     $dependstyle = ' feedback_complete_depend';
 428                 } else {
 429                     $dependstyle = '';
 430                 }
 431
 432                 echo $OUTPUT->box_start('feedback_item_box_'.$align.$dependstyle);
 433                 $value = '';
 434                 //get the value
 435                 $frmvaluename = $feedbackitem->typ . '_'. $feedbackitem->id;
 436                 if (isset($savereturn)) {
 437                     $value = isset($formdata->{$frmvaluename}) ? $formdata->{$frmvaluename} : null;
 438                     $value = feedback_clean_input_value($feedbackitem, $value);
 439                 } else {
 440                     if (isset($feedbackcompletedtmp->id)) {
 441                         $value = feedback_get_item_value($feedbackcompletedtmp->id,
 442                                                          $feedbackitem->id,
 443                                                          sesskey());
 444                     }
 445                 }
 446                 if ($feedbackitem->hasvalue == 1 AND $feedback->autonumbering) {
 447                     $itemnr++;
 448                     echo $OUTPUT->box_start('feedback_item_number_'.$align);
 449                     echo $itemnr;
 450                     echo $OUTPUT->box_end();
 451                 }
 452                 if ($feedbackitem->typ != 'pagebreak') {
 453                     echo $OUTPUT->box_start('box generalbox boxalign_'.$align);
 454                     feedback_print_item_complete($feedbackitem, $value, $highlightrequired);
 455                     echo $OUTPUT->box_end();
 456                 }
 457
 458                 echo $OUTPUT->box_end();
 459
 460                 $lastbreakposition = $feedbackitem->position; //last item-pos (item or pagebreak)
 461                 if ($feedbackitem->typ == 'pagebreak') {
 462                     break;
 463                 } else {
 464                     $lastitem = $feedbackitem;
 465                 }
 466             }
 467             echo $OUTPUT->box_end();
 468             echo '<input type="hidden" name="id" value="'.$id.'" />';
 469             echo '<input type="hidden" name="feedbackid" value="'.$feedback->id.'" />';
 470             echo '<input type="hidden" name="lastpage" value="'.$gopage.'" />';
 471             if (isset($feedbackcompletedtmp->id)) {
 472                 $inputvalue = 'value="'.$feedbackcompletedtmp->id;
 473             } else {
 474                 $inputvalue = 'value=""';
 475             }
 476             echo '<input type="hidden" name="completedid" '.$inputvalue.' />';
 477             echo '<input type="hidden" name="courseid" value="'. $courseid . '" />';
 478             echo '<input type="hidden" name="preservevalues" value="1" />';
 479             if (isset($startitem)) {
 480                 echo '<input type="hidden" name="startitempos" value="'.$startitem->position.'" />';
 481                 echo '<input type="hidden" name="lastitempos" value="'.$lastitem->position.'" />';
 482             }
 483
 484             if ($ispagebreak AND $lastbreakposition > $firstpagebreak->position) {
 485                 $inputvalue = 'value="'.get_string('previous_page', 'feedback').'"';
 486                 echo '<input name="gopreviouspage" type="submit" '.$inputvalue.' />';
 487             }
 488             if ($lastbreakposition < $maxitemcount) {
 489                 $inputvalue = 'value="'.get_string('next_page', 'feedback').'"';
 490                 echo '<input name="gonextpage" type="submit" '.$inputvalue.' />';
 491             }
 492             if ($lastbreakposition >= $maxitemcount) { //last page
 493                 $inputvalue = 'value="'.get_string('save_entries', 'feedback').'"';
 494                 echo '<input name="savevalues" type="submit" '.$inputvalue.' />';
 495             }
 496
 497             echo '</form>';
 498             echo $OUTPUT->box_end();
 499
 500             echo $OUTPUT->box_start('feedback_complete_cancel');
 501             if ($courseid) {
 502                 $action = 'action="'.$CFG->wwwroot.'/course/view.php?id='.$courseid.'"';
 503             } else {
 504                 if ($course->id == SITEID) {
 505                     $action = 'action="'.$CFG->wwwroot.'"';
 506                 } else {
 507                     $action = 'action="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'"';
 508                 }
 509             }
 510             echo '<form '.$action.' method="post" onsubmit=" ">';
 511             echo '<input type="hidden" name="sesskey" value="'.sesskey().'" />';
 512             echo '<input type="hidden" name="courseid" value="'. $courseid . '" />';
 513             echo '<button type="submit">'.get_string('cancel').'</button>';
 514             echo '</form>';
 515             echo $OUTPUT->box_end();
 516             $SESSION->feedback->is_started = true;
 517         }
 518     }
 519 } else {
 520     echo $OUTPUT->box_start('generalbox boxaligncenter');
 521     echo $OUTPUT->notification(get_string('this_feedback_is_already_submitted', 'feedback'));
 522     echo $OUTPUT->continue_button($CFG->wwwroot.'/course/view.php?id='.$course->id);
 523     echo $OUTPUT->box_end();
 524 }
 525 /// Finish the page
 526 ///////////////////////////////////////////////////////////////////////////
 527 ///////////////////////////////////////////////////////////////////////////
 528 ///////////////////////////////////////////////////////////////////////////
 529
 530 echo $OUTPUT->footer();
 531