public async Task <IActionResult> EditEmployees(int id, ShopEmployeesEditViewModel viewmodel)
{
if (id != viewmodel.Shop.Id)
{
return(NotFound());
}
try
{
IEnumerable <int> listEmployees = viewmodel.SelectedEmployees;
IQueryable <Employment> toBeRemoved = _context.Employment.Where(s => !listEmployees.Contains(s.EmployeeId) && s.ShopId == id);
_context.Employment.RemoveRange(toBeRemoved);
IEnumerable <int> existEmployees = _context.Employment.Where(s => listEmployees.Contains(s.EmployeeId) && s.ShopId == id).Select(s => s.EmployeeId);
IEnumerable <int> newEmployees = listEmployees.Where(s => !existEmployees.Contains(s));
foreach (int employeeId in newEmployees)
{
_context.Employment.Add(new Employment {
EmployeeId = employeeId, ShopId = id, StartDate = DateTime.Now
});
}
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ShopExists(viewmodel.Shop.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("Index", "Employments", new { id = viewmodel.Shop.Id }));
}
public async Task <IActionResult> EditEmployees(int?id)
{
if (id == null)
{
return(NotFound());
}
var shop = _context.Shop.Where(s => s.Id == id).Include(s => s.Employees).First();
if (shop == null)
{
return(NotFound());
}
ShopEmployeesEditViewModel viewmodel = new ShopEmployeesEditViewModel
{
Shop = shop,
EmployeeList = new MultiSelectList(_context.Employee, "Id", "FullName"),
SelectedEmployees = shop.Employees.Select(sa => sa.EmployeeId)
};
return(View(viewmodel));
}
