public static void edit(
Long id, SchoolClass schoolClass, String date, String kindOfAssignment, String description) {
Assignment assignment = find.ref(id);
assignment.schoolClass = schoolClass;
String[] array = parseDate(date);
String dueDate = array[0];
assignment.dueDate = dueDate;
int year = Integer.parseInt(array[1]);
assignment.year = year;
int month = Integer.parseInt(array[2]);
assignment.month = month;
int day = Integer.parseInt(array[3]);
assignment.day = day;
assignment.spanner = kindOfAssignment.substring(0, 1);
assignment.description = description;
assignment.total = (year * 366) - ((12 - month) * 31) - (31 - day);
try {
assignment.save();
} catch (PersistenceException e) {
System.err.println("Unable to save an assignment after editing. ID: " + id);
}
}
