private bool prereqsSatisfied(Cart item)
{
var student = db.Users.SingleOrDefault(s=>s.user_id==User.Identity.Name);
return item.Class.Course.Prereqs.All(c => student.Takes.Any(t => t.Class.course_id == c.course_id));
//return db.Takes.Any(t => t.student_id == User.Identity.Name && t.semester_id == item.semester_id && ((t.Class.days ^ item.Class.days) != 0) && !checkForOverlap(t.Class.Timeslot, item.Class.Timeslot));
//return true;
}
public void AddToCart(Class class_add)
{
var cart_item = db.Carts.SingleOrDefault(c => c.user_id == shopping_cart_id && c.class_id == class_add.class_id && c.semester_id == class_add.semster_id);
if (cart_item == null) {
cart_item = new Cart
{
class_id = class_add.class_id,
semester_id = class_add.semster_id,
user_id = shopping_cart_id
};
db.AddToCarts(cart_item);
}
db.SaveChanges();
}
/// <summary>
/// Create a new Cart object.
/// </summary>
/// <param name="record_id">Initial value of the record_id property.</param>
/// <param name="user_id">Initial value of the user_id property.</param>
/// <param name="class_id">Initial value of the class_id property.</param>
/// <param name="semester_id">Initial value of the semester_id property.</param>
public static Cart CreateCart(global::System.Int32 record_id, global::System.String user_id, global::System.Int32 class_id, global::System.String semester_id)
{
Cart cart = new Cart();
cart.record_id = record_id;
cart.user_id = user_id;
cart.class_id = class_id;
cart.semester_id = semester_id;
return cart;
}
/// <summary>
/// Deprecated Method for adding a new object to the Carts EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToCarts(Cart cart)
{
base.AddObject("Carts", cart);
}
