public static double GetCurrentOccupiedSpace()
{
using var context = new StarWarsDbContext();
return(context.Person.Any(p => p.ExitTime == null)
? context.Person.Where(p => p.ExitTime == null).Sum(p => p.Length)
: 0.0);
}
public static bool IsDocked(StarWarsPerson person)
{
if (person == null)
{
throw new ArgumentNullException(nameof(person));
}
using var context = new StarWarsDbContext();
return(context.Person.Any(p => p.Name == person.Name && p.ExitTime == null));
}
public static void AddNewCustomerDocking(StarWarsPerson person)
{
if (person == null)
{
throw new ArgumentNullException(nameof(person));
}
using var context = new StarWarsDbContext();
person.EntryTime = DateTime.Now;
context.Person.Add(person);
context.SaveChanges();
}
public static StarWarsPerson CheckOutCustomer(StarWarsPerson person)
{
if (person == null)
{
throw new ArgumentNullException(nameof(person));
}
using var context = new StarWarsDbContext();
var item = context.Person.FirstOrDefault(p => p.Name == person.Name && p.ExitTime == null);
if (item != null)
{
item.ExitTime = DateTime.Now;
context.SaveChanges();
}
return(item);
}