notes/delete.php

   1 <?php
   2
   3 require_once('../config.php');
   4 require_once('lib.php');
   5
   6 // retrieve parameters
   7 $noteid = required_param('id', PARAM_INT);
   8
   9 $PAGE->set_url('/notes/delete.php', array('id'=>$noteid));
  10
  11 // locate note information
  12 if (!$note = note_load($noteid)) {
  13     print_error('invalidid');
  14 }
  15
  16 // locate course information
  17 if (!$course = $DB->get_record('course', array('id'=>$note->courseid))) {
  18     print_error('invalidcourseid');
  19 }
  20
  21 // locate user information
  22     if (!$user = $DB->get_record('user', array('id'=>$note->userid))) {
  23         print_error('invaliduserid');
  24     }
  25
  26 // require login to access notes
  27 require_login($course);
  28
  29 // locate context information
  30 $context = context_course::instance($course->id);
  31
  32 // check capability
  33 if (!has_capability('moodle/notes:manage', $context)) {
  34     print_error('nopermissiontodelete', 'notes');
  35 }
  36
  37 if (empty($CFG->enablenotes)) {
  38     print_error('notesdisabled', 'notes');
  39 }
  40
  41 if (data_submitted() && confirm_sesskey()) {
  42 //if data was submitted and is valid, then delete note
  43     $returnurl = $CFG->wwwroot . '/notes/index.php?course=' . $course->id . '&amp;user=' . $note->userid;
  44     if (!note_delete($note)) {
  45         print_error('cannotdeletepost', 'notes', $returnurl);
  46     }
  47     redirect($returnurl);
  48
  49 } else {
  50 // if data was not submitted yet, then show note data with a delete confirmation form
  51     $strnotes = get_string('notes', 'notes');
  52     $optionsyes = array('id'=>$noteid, 'sesskey'=>sesskey());
  53     $optionsno  = array('course'=>$course->id, 'user'=>$note->userid);
  54
  55 // output HTML
  56     $link = null;
  57     if (has_capability('moodle/course:viewparticipants', $context) || has_capability('moodle/site:viewparticipants', context_system::instance())) {
  58         $link = new moodle_url('/user/index.php',array('id'=>$course->id));
  59     }
  60     $PAGE->navbar->add(get_string('participants'), $link);
  61     $PAGE->navbar->add(fullname($user), new moodle_url('/user/view.php', array('id'=>$user->id,'course'=>$course->id)));
  62     $PAGE->navbar->add(get_string('notes', 'notes'), new moodle_url('/notes/index.php', array('user'=>$user->id,'course'=>$course->id)));
  63     $PAGE->navbar->add(get_string('delete'));
  64     $PAGE->set_title($course->shortname . ': ' . $strnotes);
  65     $PAGE->set_heading($course->fullname);
  66     echo $OUTPUT->header();
  67     echo $OUTPUT->confirm(get_string('deleteconfirm', 'notes'), new moodle_url('delete.php',$optionsyes),  new moodle_url('index.php',$optionsno));
  68     echo '<br />';
  69     note_print($note, NOTES_SHOW_BODY | NOTES_SHOW_HEAD);
  70     echo $OUTPUT->footer();
  71 }