grade/exceptions.php

   1 <?php  // $Id$
   2
   3     require_once("../config.php");
   4     require_once("lib.php");
   5
   6     $id       = required_param('id');              // course id
   7     $action   = optional_param('action', '');
   8
   9     if (!$course = get_record('course', 'id', $id)) {
  10         error('No course ID');
  11     }
  12
  13     require_login($course->id);
  14
  15     if (!isteacher($course->id)) {
  16         error(get_string('notteachererror', 'grades'));
  17     }
  18
  19     $group = get_current_group($course->id);
  20
  21     print_header("$course->shortname: ".get_string('grades'), "$course->fullname", grade_nav($course, $action));
  22
  23     grade_preferences_menu($action, $course, $group);
  24
  25     grade_set_uncategorized();
  26
  27
  28 /// We are in editing mode.  First, process any inputs there may be.
  29
  30     if ($data = data_submitted()) {
  31         // make sure it is safe to process data
  32         if (!empty($USER->id)) {
  33             if (!confirm_sesskey()) {
  34                 error(get_string('confirmsesskeybad', 'error'));
  35             }
  36         }
  37
  38         if (!empty($data->nonmembersadd)) {            /// Add people to a grade_item
  39             if (!empty($data->nonmembers) and !empty($data->grade_itemid)) {
  40                 $grade_itemmodified = false;
  41                 foreach ($data->nonmembers as $userid) {
  42                     $record->courseid = $course->id;
  43                     $record->grade_itemid = $data->grade_itemid;
  44                     $record->userid = $userid;
  45                     if (!record_exists('grade_exceptions','courseid',$course->id,'grade_itemid',$data->grade_itemid,'userid',$userid)) {
  46                         if (!insert_record('grade_exceptions', $record)) {
  47                             notify(get_string('addexceptionerror','grades').$userid.':'.$data->grade_itemid);
  48                         }
  49                     }
  50                     $grade_itemmodified = true;
  51                 }
  52             }
  53             $selectedgrade_item = $data->grade_itemid;
  54
  55         } else if (!empty($data->membersremove)) {     /// Remove selected people from a particular grade_item
  56             if (!empty($data->members) and !empty($data->grade_itemid)) {
  57                 foreach ($data->members as $userid) {
  58                     delete_records('grade_exceptions', 'userid', $userid, "grade_itemid", $data->grade_itemid, 'courseid', $course->id);
  59                 }
  60             }
  61             $selectedgrade_item = $data->grade_itemid;
  62         }
  63     }
  64
  65 /// Calculate data ready to create the editing interface
  66
  67     $strgradeitemnonmembers = get_string('gradeitemnonmembers','grades');
  68     $strgradeitemmembersselected = get_string('gradeitemmembersselected','grades');
  69     $strgradeitemremovemembers = get_string('gradeitemremovemembers','grades');
  70     $strgradeiteminfomembers = get_string('gradeiteminfomembers','grades');
  71     $strgradeitemadd = get_string('gradeitemadd','grades');
  72     $strgradeitemremove = get_string('gradeitemremove','grades');
  73     $strgradeiteminfo = get_string('gradeiteminfo','grades');
  74     $strgradeiteminfopeople = get_string('gradeiteminfopeople','grades');
  75     $strgradeitemrandomassign = get_string('gradeitemrandomassign','grades');
  76     $strgradeitemaddusers = get_string('gradeitemaddusers','grades');
  77     $strgradeitems = get_string('gradeitems','grades');
  78     $courseid = $course->id;
  79     $listgrade_items = array();
  80     $listmembers = array();
  81     $nonmembers = array();
  82     $grade_items = array();
  83     $grade_items = get_records('grade_item', 'courseid', $course->id);
  84     $grade_itemcount = count($grade_items);
  85
  86     // we need to create a multidimensional array keyed by grade_itemid with all_students at each level
  87     if (isset($grade_items)) {
  88         foreach($grade_items as $grade_item) {
  89             $nonmembers[$grade_item->id] = array();
  90             if ($students = get_course_students($course->id)) {
  91                 foreach ($students as $student) {
  92                     $nonmembers[$grade_item->id][$student->id] = fullname($student, true);
  93                 }
  94                 unset($students);
  95             }
  96         }
  97     }
  98
  99
 100     if ($grade_items) {
 101         foreach ($grade_items as $grade_item) {
 102             $modname = get_record('modules', 'id', $grade_item->modid);
 103             $itemname = get_record($modname->name, 'id', $grade_item->cminstance, 'course', $course->id);
 104             $grade_item->name = $itemname->name;
 105             $countusers = 0;
 106             $listmembers[$grade_item->id] = array();
 107             if ($grade_itemexceptions = grade_get_grade_item_exceptions($grade_item->id)) {
 108                 foreach ($grade_itemexceptions as $grade_itemexception) {
 109                     $listmembers[$grade_item->id][$grade_itemexception->userid] = $nonmembers[$grade_item->id][$grade_itemexception->userid];
 110                     unset($nonmembers[$grade_item->id][$grade_itemexception->userid]);
 111                     $countusers++;
 112                 }
 113             }
 114             $listgrade_items[$grade_item->id] = strip_tags(format_string($grade_item->name,true))." ($countusers)";
 115             if (!isset($grade_item->name)) {
 116                 // these were items that have since been deleted
 117                 unset($listgrade_items[$grade_item->id]);
 118                 delete_records('grade_item', 'id', $grade_item->id);
 119                 delete_records('grade_exceptions', 'grade_itemid', $grade_item->id, 'courseid', $course->id);
 120             }
 121             natcasesort($listmembers[$grade_item->id]);
 122             natcasesort($nonmembers[$grade_item->id]);
 123         }
 124         natcasesort($listgrade_items);
 125     }
 126
 127     if (empty($selectedgrade_item)) {    // Choose the first group by default
 128         $selectedgrade_item = array_shift($temparr = array_keys($listgrade_items));
 129     }
 130
 131     include('exceptions.html');
 132
 133     print_footer($course);
 134     exit;
 135
 136 function grade_get_grade_item_exceptions($id) {
 137     global $CFG;
 138     global $course;
 139
 140     $sql = "SELECT ge.id, ge.userid FROM {$CFG->prefix}grade_exceptions ge, {$CFG->prefix}user_students us WHERE us.course=$course->id AND grade_itemid=$id AND ge.userid = us.userid AND us.course=ge.courseid";
 141     $grade_exceptions = get_records_sql($sql);
 142     return $grade_exceptions;
 143 }
 144
 145 ?>