course/edit.php

   1 <?php // $Id$
   2       // Edit course settings
   3
   4     require_once('../config.php');
   5     require_once($CFG->dirroot.'/enrol/enrol.class.php');
   6     require_once($CFG->libdir.'/blocklib.php');
   7     require_once('lib.php');
   8     require_once('edit_form.php');
   9
  10     $id         = optional_param('id', 0, PARAM_INT);       // course id
  11     $categoryid = optional_param('category', 0, PARAM_INT); // course category - can be changed in edit form
  12
  13
  14 /// basic access control checks
  15     if ($id) { // editing course
  16         if (!$course = get_record('course', 'id', $id)) {
  17             error('Course ID was incorrect');
  18         }
  19         require_login($course->id);
  20         $category = get_record('course_categories', 'id', $course->category);
  21         require_capability('moodle/course:update', get_context_instance(CONTEXT_COURSE, $course->id));
  22
  23     } else if ($categoryid) { // creating new course in this category
  24         $course = null;
  25         require_login();
  26         if (!$category = get_record('course_categories', 'id', $categoryid)) {
  27             error('Category ID was incorrect');
  28         }
  29         require_capability('moodle/course:create', get_context_instance(CONTEXT_COURSECAT, $category->id));
  30     } else {
  31         require_login();
  32         error('Either course id or category must be specified');
  33     }
  34
  35 /// prepare course
  36     if (!empty($course)) {
  37         $allowedmods = array();
  38         if (!empty($course)) {
  39             if ($am = get_records('course_allowed_modules','course',$course->id)) {
  40                 foreach ($am as $m) {
  41                     $allowedmods[] = $m->module;
  42                 }
  43             } else {
  44                 if (empty($course->restrictmodules)) {
  45                     $allowedmods = explode(',',$CFG->defaultallowedmodules);
  46                 } // it'll be greyed out but we want these by default anyway.
  47             }
  48             $course->allowedmods = $allowedmods;
  49
  50             if ($course->enrolstartdate){
  51                 $course->enrolstartdisabled = 0;
  52             }
  53
  54             if ($course->enrolenddate) {
  55                 $course->enrolenddisabled = 0;
  56             }
  57         }
  58     }
  59
  60
  61 /// first create the form
  62     $editform = new course_edit_form('edit.php', compact('course', 'category'));
  63     // now override defaults if course already exists
  64     if (!empty($course)) {
  65         $editform->set_data($course);
  66     }
  67     if ($editform->is_cancelled()){
  68         if (empty($course)) {
  69             redirect($CFG->wwwroot);
  70         } else {
  71             redirect($CFG->wwwroot.'/course/view.php?id='.$course->id);
  72         }
  73
  74     } else if ($data = $editform->get_data()) {
  75
  76 /// process data if submitted
  77
  78         //preprocess data
  79         if ($data->enrolstartdisabled){
  80             $data->enrolstartdate = 0;
  81         }
  82
  83         if ($data->enrolenddisabled) {
  84             $data->enrolenddate = 0;
  85         }
  86
  87         $data->timemodified = time();
  88
  89         if (empty($course)) {
  90             if (!$course = create_course($data)) {
  91                 print_error('coursenotcreated');
  92             }
  93
  94             $context = get_context_instance(CONTEXT_COURSE, $course->id);
  95
  96             // assign default role to creator if not already having permission to manage course assignments
  97             if (!has_capability('moodle/course:view', $context) or !has_capability('moodle/role:assign', $context)) {
  98                 role_assign($CFG->creatornewroleid, $USER->id, 0, $context->id);
  99             }
 100
 101             if ($data->metacourse and has_capability('moodle/course:managemetacourse', $context)) {
 102                 // Redirect users with metacourse capability to student import
 103                 redirect($CFG->wwwroot."/course/importstudents.php?id=$course->id");
 104             } else {
 105                 // Redirect to roles assignment
 106                 redirect($CFG->wwwroot."/$CFG->admin/roles/assign.php?contextid=$context->id");
 107             }
 108
 109         } else {
 110             if (!update_course($data)) {
 111                 print_error('coursenotupdated');
 112             }
 113
 114             redirect($CFG->wwwroot."/course/view.php?id=$course->id");
 115         }
 116     }
 117
 118
 119 /// Print the form
 120
 121     $site = get_site();
 122
 123     $streditcoursesettings = get_string("editcoursesettings");
 124     $straddnewcourse = get_string("addnewcourse");
 125     $stradministration = get_string("administration");
 126     $strcategories = get_string("categories");
 127
 128     if (!empty($course)) {
 129         print_header($streditcoursesettings, $course->fullname,
 130                      "<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a>
 131                       -> $streditcoursesettings", $editform->focus());
 132     } else {
 133         print_header("$site->shortname: $straddnewcourse", $site->fullname,
 134                      "<a href=\"$CFG->wwwroot/$CFG->admin/index.php\">$stradministration</a> -> ".
 135                      "<a href=\"index.php\">$strcategories</a> -> $straddnewcourse", $editform->focus());
 136     }
 137
 138     print_heading($streditcoursesettings);
 139
 140     $editform->display();
 141
 142     print_footer($course);
 143
 144 ?>