shortname: $strcategories", "$site->fullname",
"admin/index.php\">$stradministration -> $strcategories");
print_heading($strcategories);
/// If data submitted, then process and store.
if ($form = data_submitted()) {
$categories = array();
// Peel out all the data from variable names.
foreach ($form as $key => $val) {
if ($key == "new") {
if (!empty($val)) {
if (get_records("course_categories", "name", $val)) {
notify(get_string("categoryduplicate", "", $val));
} else {
$cat->name = $val;
if (!insert_record("course_categories", $cat)) {
error("Could not insert the new category '$val'");
} else {
notify(get_string("categoryadded", "", $val));
}
}
}
} else {
$cat->id = substr($key,1);
$cat->name = $val;
if ($existingcats = get_records("course_categories", "name", $val)) {
foreach($existingcats as $existingcat) {
if ($existingcat->id != $cat->id) {
notify(get_string("categoryduplicate", "", $val));
continue 2;
}
}
}
if (!update_record("course_categories", $cat)) {
error("Could not update the category '$val'");
}
}
}
}
/// Get the existing categories
if (!$categories = get_categories()) {
// Try and make one
$cat->name = get_string("miscellaneous");
if ($cat->id = insert_record("course_categories", $cat)) {
$categories[$cat->id] = $cat;
} else {
error("Serious error: Could not create a default category!");
}
}
/// Delete category if the user wants to delete it
if (isset($delete)) {
if (delete_records("course_categories", "id", $delete)) {
notify(get_string("categorydeleted", "", $categories[$delete]->name));
unset($categories[$delete]);
} else {
error("An error occurred while trying to delete a category");
}
}
/// Find lowest ID category - this is the default category
$default = 99999;
foreach ($categories as $category) {
if ($category->id < $default) {
$default = $category->id;
}
}
/// Find any orphan courses that don't yet have a valid category and set to default
if ($courses = get_courses()) {
foreach ($courses as $course) {
if (!isset( $categories[$course->category] )) {
set_field("course", "category", $default, "id", $course->id);
}
}
}
/// Print the table of all categories
$table->head = array ($strcategory, $strcourses, $straction);
$table->align = array ("LEFT", "CENTER", "CENTER");
$table->size = array ("80", "50", "50");
$table->width = 100;
echo "";
print_footer();
?>