/// <summary>
/// When deleteing a menu set it's is_deleted to true,
/// as well as cascade to the menu category and menu items.
/// only allow this is the menu is not active
/// </summary>
/// <param name="menu">menu to be deleted</param>
/// <returns>number of rows affected</returns>
/// <exception cref="ItemActiveException">Item is currently set to active</exception>
public override int delete(int id)
{
menu menu = db.menus.Find(id);
MenuCategoryOM mcOM = new MenuCategoryOM(db);
int result = 0;
if (!menu.is_active)
{
menu.is_deleted = true;
menu.version++;
IList<menu_category> mcList = menu.menu_category.ToList();
for (int i = 0; i < mcList.Count; i++)
{
menu_category mc = mcList.ElementAt(i);
mc.is_active = false;
mcOM.delete(mc.id);
}
db.Entry(menu).State = EntityState.Modified;
result = db.SaveChanges();
}
else
{
throw new ItemActiveException("This menu is currently active! Cannot delete it.");
}
return result;
}
public void DeleteItemActiveExceptionTest()
{
//Arrange
db = new touch_for_foodEntities();
MenuCategoryOM target = new MenuCategoryOM(db);
menuCategory1.is_active = true;
db.Entry(menuCategory1).State = EntityState.Modified;
db.SaveChanges();
//Act
int actual = target.delete(menuCategory1.id);
//Assert
db = new touch_for_foodEntities();
Assert.IsFalse(db.menu_category.Find(menuCategory1.id).is_deleted);
Assert.IsFalse(db.menu_item.Find(menuItem1.id).is_deleted);
Assert.IsNotNull(db.order_item.Find(orderItem1.id));
Assert.IsFalse(db.sides.Find(side1.id).is_deleted);
}
public Boolean edit(menu menu)
{
MenuIM im = new MenuIM(db);
menu dbVersion = im.find(menu.id);
if (dbVersion.version == menu.version)
{
//Activate / Deactivate the menu means changing the active feild to all menu categories inside it
//if (dbVersion.is_active != menu.is_active)
//{
MenuCategoryOM om = new MenuCategoryOM(db);
IList<menu_category> menu_category_list = menu.menu_category.ToList();
for (int i = 0; i < menu_category_list.Count; i++)
{
menu_category mc = menu_category_list.ElementAt(i);
mc.is_active = menu.is_active;
om.edit(mc);
}
// }
((IObjectContextAdapter)db).ObjectContext.Detach(dbVersion);
db.Entry(menu).State = EntityState.Modified;
menu.version = menu.version + 1;
db.SaveChanges();
return true;
}
return false;
}
public int RemoveMenuCategory(int id)
{
int result = 0;
MenuCategoryOM om = new MenuCategoryOM(db);
try
{
result = om.delete(id);
}
catch (Exceptions.ItemActiveException e)
{
ViewBag.error = e.Message;
}
return result;
}
public Menu_CategoryController()
{
im = new MenuCategoryIM(db);
om = new MenuCategoryOM(db);
}
public void DeleteTest()
{
//Arrange
db = new touch_for_foodEntities();
MenuCategoryOM target = new MenuCategoryOM(db);
int currentVersion = menuCategory1.version;
//Check-Setup
Assert.IsFalse(db.menu_category.Find(menuCategory1.id).is_deleted);
Assert.IsFalse(db.menu_item.Find(menuItem1.id).is_deleted);
//Act
int actual = target.delete(menuCategory1.id);
//Assert
db = new touch_for_foodEntities();
menu_category mc = db.menu_category.Find(menuCategory1.id);
Assert.IsTrue(mc.is_deleted);
Assert.AreEqual(mc.version, ++currentVersion);
Assert.IsTrue(db.menu_item.Find(menuItem1.id).is_deleted);
}