dirroot/files/mimetypes.php");
function assignment_add_instance($assignment) {
// Given an object containing all the necessary data,
// (defined by the form in mod.html) this function
// will create a new instance and return the id number
// of the new instance.
$assignment->timemodified = time();
$assignment->timedue = make_timestamp($assignment->dueyear, $assignment->duemonth, $assignment->dueday,
$assignment->duehour, $assignment->dueminute);
return insert_record("assignment", $assignment);
}
function assignment_update_instance($assignment) {
// Given an object containing all the necessary data,
// (defined by the form in mod.html) this function
// will update an existing instance with new data.
$assignment->timemodified = time();
$assignment->timedue = make_timestamp($assignment->dueyear, $assignment->duemonth, $assignment->dueday,
$assignment->duehour, $assignment->dueminute);
$assignment->id = $assignment->instance;
return update_record("assignment", $assignment);
}
function assignment_delete_instance($id) {
// Given an ID of an instance of this module,
// this function will permanently delete the instance
// and any data that depends on it.
if (! $assignment = get_record("assignment", "id", "$id")) {
return false;
}
$result = true;
if (! delete_records("assignment_submissions", "assignment", "$assignment->id")) {
$result = false;
}
if (! delete_records("assignment", "id", "$assignment->id")) {
$result = false;
}
return $result;
}
function assignment_user_outline($course, $user, $mod, $assignment) {
if ($submission = assignment_get_submission($assignment, $user)) {
if ($basedir = assignment_file_area($assignment, $user)) {
if ($files = get_directory_list($basedir)) {
$countfiles = count($files)." ".get_string("uploadedfiles", "assignment");
foreach ($files as $file) {
$countfiles .= "; $file";
}
}
}
$result->info = $countfiles;
$result->time = $submission->timemodified;
return $result;
}
return NULL;
}
function assignment_user_complete($course, $user, $mod, $assignment) {
if ($submission = assignment_get_submission($assignment, $user)) {
if ($basedir = assignment_file_area($assignment, $user)) {
if ($files = get_directory_list($basedir)) {
$countfiles = count($files)." ".get_string("uploadedfiles", "assignment");
foreach ($files as $file) {
$countfiles .= "; $file";
}
}
}
print_simple_box_start();
echo "";
echo get_string("lastmodified").": ";
echo userdate($submission->timemodified);
echo assignment_print_difference($assignment->timedue - $submission->timemodified);
echo "
";
assignment_print_user_files($assignment, $user);
echo "
";
assignment_print_feedback($course, $submission);
print_simple_box_end();
} else {
print_string("notsubmittedyet", "assignment");
}
}
function assignment_cron () {
// Function to be run periodically according to the moodle cron
// Finds all assignment notifications that have yet to be mailed out, and mails them
global $CFG, $USER;
$cutofftime = time() - $CFG->maxeditingtime;
if ($submissions = get_records_sql("SELECT s.*, a.course, a.name
FROM assignment_submissions s, assignment a
WHERE s.mailed = '0'
AND s.timemarked < '$cutofftime' AND s.timemarked > 0
AND s.assignment = a.id")) {
$timenow = time();
foreach ($submissions as $submission) {
echo "Processing assignment submission $submission->id\n";
if (! $user = get_record("user", "id", "$submission->user")) {
echo "Could not find user $post->user\n";
continue;
}
$USER->lang = $user->lang;
if (! $course = get_record("course", "id", "$submission->course")) {
echo "Could not find course $submission->course\n";
continue;
}
if (! isstudent($course->id, $user->id) and !isteacher($course->id, $user->id)) {
continue; // Not an active participant
}
if (! $teacher = get_record("user", "id", "$submission->teacher")) {
echo "Could not find teacher $submission->teacher\n";
continue;
}
if (! $mod = get_coursemodule_from_instance("assignment", $submission->assignment, $course->id)) {
echo "Could not find course module for assignment id $submission->assignment\n";
continue;
}
$strassignments = get_string("modulenameplural", "assignment");
$strassignment = get_string("modulename", "assignment");
$postsubject = "$course->shortname: $strassignments: $submission->name";
$posttext = "$course->shortname -> $strassignments -> $submission->name\n";
$posttext .= "---------------------------------------------------------------------\n";
$posttext .= "$teacher->firstname $teacher->lastname has posted some feedback on your\n";
$posttext .= "assignment submission for '$submission->name'\n\n";
$posttext .= "You can see it appended to your assignment submission:\n";
$posttext .= " $CFG->wwwroot/mod/assignment/view.php?id=$mod->id\n";
$posttext .= "---------------------------------------------------------------------\n";
if ($user->mailformat == 1) { // HTML
$posthtml = "".
"wwwroot/course/view.php?id=$course->id\">$course->shortname ->".
"wwwroot/mod/assignment/index.php?id=$course->id\">$strassignments ->".
"wwwroot/mod/assignment/view.php?id=$mod->id\">$submission->name
";
$posthtml .= "
";
$posthtml .= "$teacher->firstname $teacher->lastname has posted some feedback on your";
$posthtml .= " assignment submission for '$submission->name'
";
$posthtml .= "You can see it wwwroot/mod/assignment/view.php?id=$mod->id\">";
$posthtml .= "appended to your assignment submission.
";
} else {
$posthtml = "";
}
if (! email_to_user($user, $teacher, $postsubject, $posttext, $posthtml)) {
echo "Error: assignment cron: Could not send out mail for id $submission->id to user $user->id ($user->email)\n";
}
if (! set_field("assignment_submissions", "mailed", "1", "id", "$submission->id")) {
echo "Could not update the mailed field for id $submission->id\n";
}
}
}
return true;
}
function assignment_print_recent_activity(&$logs, $isteacher=false) {
global $CFG, $COURSE_TEACHER_COLOR;
$content = false;
$assignments = NULL;
foreach ($logs as $log) {
if ($log->module == "assignment" and $log->action == "upload") {
$assignments[$log->info] = get_record_sql("SELECT a.name, u.firstname, u.lastname
FROM assignment a, user u
WHERE a.id = '$log->info' AND u.id = '$log->user'");
$assignments[$log->info]->time = $log->time;
$assignments[$log->info]->url = $log->url;
}
}
if ($assignments) {
$content = true;
print_headline(get_string("newsubmissions", "assignment").":");
foreach ($assignments as $assignment) {
$date = userdate($assignment->time, "%e %b, %H:%M");
echo "$date - $assignment->firstname $assignment->lastname
";
echo "\"wwwroot/mod/assignment/$assignment->url\">";
echo "$assignment->name";
echo "\"
";
}
}
return $content;
}
function assignment_grades($assignmentid) {
/// Must return an array of grades, indexed by user, and a max grade.
$return->grades = get_records_sql_menu("SELECT user,grade FROM assignment_submissions WHERE assignment = '$assignmentid'");
$return->maxgrade = get_field("assignment", "grade", "id", "$assignmentid");
return $return;
}
//////////////////////////////////////////////////////////////////////////////////////
function assignment_file_area_name($assignment, $user) {
// Creates a directory file name, suitable for make_upload_directory()
global $CFG;
return "$assignment->course/$CFG->moddata/assignment/$assignment->id/$user->id";
}
function assignment_file_area($assignment, $user) {
return make_upload_directory( assignment_file_area_name($assignment, $user) );
}
function assignment_get_submission($assignment, $user) {
return get_record_sql("SELECT * from assignment_submissions
WHERE assignment = '$assignment->id' AND user = '$user->id'");
}
function assignment_get_all_submissions($assignment) {
// Return all assignment submissions by ENROLLED students
return get_records_sql("SELECT a.* FROM assignment_submissions a, user_students s
WHERE a.user = s.user
AND s.course = '$assignment->course'
AND a.assignment = '$assignment->id'
ORDER BY a.timemodified DESC");
}
function assignment_get_users_done($assignment) {
return get_records_sql("SELECT u.* FROM user u, user_students s, assignment_submissions a
WHERE s.course = '$assignment->course' AND s.user = u.id
AND u.id = a.user AND a.assignment = '$assignment->id'
ORDER BY a.timemodified DESC");
}
function assignment_print_difference($time) {
if ($time < 0) {
$timetext = get_string("late", "assignment", format_time($time));
return " ($timetext)";
} else {
$timetext = get_string("early", "assignment", format_time($time));
return " ($timetext)";
}
}
function assignment_print_submission($assignment, $user, $submission, $teachers, $grades) {
global $THEME;
echo "\n";
echo "\n";
echo "\n| body\" WIDTH=35 VALIGN=TOP>";
print_user_picture($user->id, $assignment->course, $user->picture);
echo " | ";
echo "cellheading\">$user->firstname $user->lastname";
if ($submission) {
echo " ".get_string("lastmodified").": ";
echo userdate($submission->timemodified);
echo assignment_print_difference($assignment->timedue - $submission->timemodified);
echo "";
}
echo " |
";
echo "\n| cellcontent\">";
if ($submission) {
assignment_print_user_files($assignment, $user);
} else {
print_string("notsubmittedyet", "assignment");
}
echo " |
";
if ($submission) {
echo "\n";
echo "| ";
if (!$submission->teacher) {
$submission->teacher = $USER->id;
}
print_user_picture($submission->teacher, $assignment->course, $teachers[$submission->teacher]->picture);
echo " | cellheading\">Teacher Feedback:";
choose_from_menu($grades, "g$submission->id", $submission->grade, get_string("grade")."...");
if ($submission->timemarked) {
echo " ".userdate($submission->timemarked)."";
}
echo "
";
echo " |
";
}
echo "
\n";
}
function assignment_print_feedback($course, $submission) {
global $CFG, $THEME, $RATING;
if (! $teacher = get_record("user", "id", $submission->teacher)) {
error("Weird assignment error");
}
echo "\n";
echo "\n";
echo "\n";
echo "\n| body\" WIDTH=35 VALIGN=TOP>";
print_user_picture($teacher->id, $course->id, $teacher->picture);
echo " | ";
echo "cellheading\">$teacher->firstname $teacher->lastname";
echo " ".userdate($submission->timemarked)."";
echo " | ";
echo "\n| cellcontent\">";
echo " ";
if ($submission->grade) {
echo get_string("grade").": $submission->grade";
} else {
echo get_string("nograde");
}
echo " ";
echo text_to_html($submission->comment);
echo " | ";
echo " |
";
}
function assignment_print_user_files($assignment, $user) {
// Arguments are objects
global $CFG;
$filearea = assignment_file_area_name($assignment, $user);
if ($basedir = assignment_file_area($assignment, $user)) {
if ($files = get_directory_list($basedir)) {
foreach ($files as $file) {
$icon = mimeinfo("icon", $file);
if ($CFG->slasharguments) {
$ffurl = "file.php/$filearea/$file";
} else {
$ffurl = "file.php?file=/$filearea/$file";
}
echo "![](\"$CFG-)
wwwroot/files/pix/$icon\" HEIGHT=16 WIDTH=16 BORDER=0 ALT=\"File\">";
echo " wwwroot/$ffurl\">$file";
echo "
";
}
}
}
}
function assignment_delete_user_files($assignment, $user, $exception) {
// Deletes all the user files in the assignment area for a user
// EXCEPT for any file named $exception
if ($basedir = assignment_file_area($assignment, $user)) {
if ($files = get_directory_list($basedir)) {
foreach ($files as $file) {
if ($file != $exception) {
unlink("$basedir/$file");
notify("Existing file '$file' has been deleted!");
}
}
}
}
}
function assignment_print_upload_form($assignment) {
// Arguments are objects
echo "";
echo "";
echo "
";
}
?>