/// <summary>
/// Used to delete the list of bevarages found in the SearchByAndPossiblyDelete method
/// </summary>
/// <param name="queryBeverages"></param>
/// <returns>bool</returns>
public bool DeleteItem(List <Beverage> queryBeverages)
{
try
{
//Bool to hold if the item(s) was successfully deleted of not
bool itemDeletedBool = false;
//Count used to find out how many times that the database did not correctly delete the beverage
int count = 0;
//Open the database
BeverageJMartinEntities beverageEntities = new BeverageJMartinEntities();
//Beverage to temporarily hold a beverage
Beverage tempBeverage = new Beverage();
foreach (Beverage beverage in queryBeverages)
{
//hold the current beverage in the list than delete if from the list
tempBeverage = beverageEntities.Beverages.Find(beverage.id);
beverageEntities.Beverages.Remove(tempBeverage);
//Check if the beverage just deleted is in the database
tempBeverage = beverageEntities.Beverages.Find(beverage.id);
//If the bevarage is still in the database add one to the count
if (tempBeverage == null)
{
count++;
}
}
//If the count is not less than one, than at least one of the items was not succesffuly deleted
if (count < 1)
{
//All items successfully added so save the changes
beverageEntities.SaveChanges();
itemDeletedBool = true;
}
else
{
//An item was not added correctly so do not save the changes and print out an error message.
UserInterface ui = new UserInterface();
ui.ErrorInDeleting();
}
return(itemDeletedBool);
}
catch (Exception e)
{
UserInterface ui = new UserInterface();
ui.OutputAString(e.ToString() + " " + e.StackTrace);
return(false);
}
}