mod/assignment/submissions.php

   1 <?PHP  // $Id$
   2
   3     require_once("../../config.php");
   4     require_once("lib.php");
   5
   6     require_variable($id);    // Assignment
   7
   8     if (! $assignment = get_record("assignment", "id", $id)) {
   9         error("Course module is incorrect");
  10     }
  11     if (! $course = get_record("course", "id", $assignment->course)) {
  12         error("Course is misconfigured");
  13     }
  14     if (! $cm = get_coursemodule_from_instance("assignment", $assignment->id, $course->id)) {
  15         error("Course Module ID was incorrect");
  16     }
  17
  18     require_login($course->id);
  19
  20     if (!isteacher($course->id)) {
  21         error("Only teachers can look at this page");
  22     }
  23
  24
  25     if ($course->category) {
  26         $navigation = "<A HREF=\"../../course/view.php?id=$course->id\">$course->shortname</A> ->";
  27     }
  28
  29     $strassignments = get_string("modulenameplural", "assignment");
  30     $strassignment  = get_string("modulename", "assignment");
  31     $strsubmissions = get_string("submissions", "assignment");
  32     $strsaveallfeedback = get_string("saveallfeedback", "assignment");
  33
  34     print_header("$course->shortname: $assignment->name", "$course->fullname",
  35                  "$navigation <A HREF=index.php?id=$course->id>$strassignments</A> ->
  36                   <A HREF=\"view.php?a=$assignment->id\">$assignment->name</A> -> $strsubmissions",
  37                   "", "", true);
  38
  39 /// Get all teachers and students
  40     $teachers = get_course_teachers($course->id);
  41
  42     if (!$users = get_course_students($course->id)) {
  43         print_heading(get_string("nostudentsyet"));
  44         print_footer($course);
  45         exit;
  46     }
  47
  48 /// Make some easy ways to reference submissions
  49     if ($submissions = assignment_get_all_submissions($assignment)) {
  50         foreach ($submissions as $submission) {
  51             $submissionbyuser[$submission->userid] = $submission;
  52         }
  53     }
  54
  55 /// Get all existing submissions and check for missing ones
  56     foreach($users as $user) {
  57         if (!isset($submissionbyuser[$user->id])) {  // Need to create empty entry
  58             $newsubmission->assignment = $assignment->id;
  59             $newsubmission->userid = $user->id;
  60             $newsubmission->timecreated = time();
  61             if (!insert_record("assignment_submissions", $newsubmission)) {
  62                 error("Could not insert a new empty submission");
  63             }
  64         }
  65     }
  66
  67     if (isset($newsubmission)) {   // Get them all out again to be sure
  68         $submissions = assignment_get_all_submissions($assignment);
  69     }
  70
  71
  72 /// If data is being submitted, then process it
  73     if ($data = data_submitted()) {
  74
  75         $feedback = array();
  76
  77         // Peel out all the data from variable names.
  78         foreach ($data as $key => $val) {
  79             if ($key <> "id") {
  80                 $type = substr($key,0,1);
  81                 $num  = substr($key,1);
  82                 $feedback[$num][$type] = $val;
  83             }
  84         }
  85
  86         $timenow = time();
  87         $count = 0;
  88         foreach ($feedback as $num => $vals) {
  89             $submission = $submissions[$num];
  90             // Only update entries where feedback has actually changed.
  91             if (($vals['g'] <> $submission->grade) || ($vals['c'] <> addslashes($submission->comment))) {
  92                 unset($newsubmission);
  93                 $newsubmission->grade      = $vals['g'];
  94                 $newsubmission->comment    = $vals['c'];
  95                 $newsubmission->teacher    = $USER->id;
  96                 $newsubmission->timemarked = $timenow;
  97                 $newsubmission->mailed     = 0;           // Make sure mail goes out (again, even)
  98                 $newsubmission->id         = $num;
  99                 if (empty($submission->timemodified)) {   // eg for offline assignments
 100                     $newsubmission->timemodified = $timenow;
 101                 }
 102                 if (! update_record("assignment_submissions", $newsubmission)) {
 103                     notify(get_string("failedupdatefeedback", "assignment", $submission->userid));
 104                 } else {
 105                     $count++;
 106                 }
 107             }
 108         }
 109         $submissions = assignment_get_all_submissions($assignment);
 110         add_to_log($course->id, "assignment", "update grades", "submissions.php?id=$assignment->id", "$count users");
 111         notify(get_string("feedbackupdated", "assignment", $count));
 112     } else {
 113         add_to_log($course->id, "assignment", "view submissions", "submissions.php?id=$assignment->id", "$assignment->id");
 114     }
 115
 116     for ($i=$assignment->grade; $i>=0; $i--) {
 117         $grades[$i] = $i;
 118     }
 119
 120     echo "<FORM ACTION=submissions.php METHOD=post>\n";
 121
 122     foreach ($submissions as $submission) {
 123         $user = $users[$submission->userid];
 124         assignment_print_submission($assignment, $user, $submission, $teachers, $grades);
 125     }
 126
 127     echo "<CENTER>";
 128     echo "<INPUT TYPE=hidden NAME=id VALUE=\"$assignment->id\">";
 129     echo "<INPUT TYPE=submit VALUE=\"$strsaveallfeedback\">";
 130     echo "</CENTER>";
 131     echo "</FORM>";
 132
 133     print_footer($course);
 134
 135 ?>
 136