function submitForm() {
global $course_id, $course_code, $webDir, $langModifDone;
// handle uploaded files
$fileData = array();
foreach (CourseXMLConfig::$binaryFields as $bkey) {
if (in_array($bkey, CourseXMLConfig::$multipleFields) || in_array($bkey, CourseXMLConfig::$arrayFields)) {
if (isset($_FILES[$bkey]) && isset($_FILES[$bkey]['tmp_name']) && isset($_FILES[$bkey]['type'])
&& is_array($_FILES[$bkey]['tmp_name'])) {
for ($i = 0; $i < count($_FILES[$bkey]['tmp_name']); $i++) {
if (is_uploaded_file($_FILES[$bkey]['tmp_name'][$i])
&& isValidImage($_FILES[$bkey]['type'][$i])) {
// convert to resized jpg if possible
$uploaded = $_FILES[$bkey]['tmp_name'][$i];
$copied = $_FILES[$bkey]['tmp_name'][$i] . '.new';
$type = $_FILES[$bkey]['type'][$i];
if (copy_resized_image($uploaded, $type, IMAGESIZE_LARGE, IMAGESIZE_LARGE, $copied)) {
$fileData[$bkey][$i] = base64_encode(file_get_contents($copied));
$fileData[$bkey . '_mime'][$i] = 'image/jpeg'; // copy_resized_image always outputs jpg
} else { // erase possible previous image or failed conversion
$fileData[$bkey][$i] = '';
$fileData[$bkey . '_mime'][$i] = '';
}
} else {
// add to array as empty, in order to keep correspondence
$fileData[$bkey][$i] = '';
$fileData[$bkey . '_mime'][$i] = '';
}
}
}
} else {
if (isset($_FILES[$bkey])
&& is_uploaded_file($_FILES[$bkey]['tmp_name'])
&& isValidImage($_FILES[$bkey]['type'])) {
// convert to resized jpg if possible
$uploaded = $_FILES[$bkey]['tmp_name'];
$copied = $_FILES[$bkey]['tmp_name'] . '.new';
$type = $_FILES[$bkey]['type'];
if (copy_resized_image($uploaded, $type, IMAGESIZE_LARGE, IMAGESIZE_LARGE, $copied)) {
$fileData[$bkey] = base64_encode(file_get_contents($copied));
$fileData[$bkey . '_mime'] = 'image/jpeg'; // copy_resized_image always outputs jpg
// unset old photo because array_merge_recursive below will keep the old one
unset($_POST[$bkey]);
unset($_POST[$bkey . '_mime']);
} else { // erase possible previous image or failed conversion
$fileData[$bkey] = '';
$fileData[$bkey . '_mime'] = '';
}
}
}
}
$skeleton = $webDir . '/modules/course_metadata/skeleton.xml';
$extraData = CourseXMLElement::getAutogenData($course_id);
// manually merge instructor photo, to achieve multiplicity sync
foreach ($fileData['course_instructor_photo'] as $key => $value) {
if (!empty($value)) {
$_POST['course_instructor_photo'][$key] = $value;
}
}
unset($fileData['course_instructor_photo']);
foreach ($fileData['course_instructor_photo_mime'] as $key => $value) {
if (!empty($value)) {
$_POST['course_instructor_photo_mime'][$key] = $value;
}
}
unset($fileData['course_instructor_photo_mime']);
$data = array_merge($_POST, $extraData, $fileData);
// course-based adaptation
$dnum = Database::get()->querySingle("select count(id) as count from document where course_id = ?d", $course_id)->count;
$vnum = Database::get()->querySingle("select count(id) as count from video where course_id = ?d", $course_id)->count;
$vlnum = Database::get()->querySingle("select count(id) as count from videolink where course_id = ?d", $course_id)->count;
if ($dnum + $vnum + $vlnum < 1) {
$data['course_confirmVideolectures'] = 'false';
}
$xml = simplexml_load_file($skeleton, 'CourseXMLElement');
$xml->adapt($data);
$xml->populate($data);
CourseXMLElement::save($course_id, $course_code, $xml);
return "<div class='alert alert-success'>$langModifDone</div>";
}
