public void Add(VacationDto dto)
{
Vacation vacation = _mapper.Map <Vacation>(dto);
SetExistingEmployeeByName(vacation, dto);
_context.Vacations.Add(vacation);
}
public void Remove(VacationDto dto)
{
if (DeleteEmployeeIfEmpty(dto))
{
return;
}
Vacation vacation = new Vacation {
ID = dto.ID, RowVersion = dto.RowVersion
};
_context.Vacations.Attach(vacation);
_context.Entry(vacation).State = EntityState.Deleted;
}
private bool DeleteEmployeeIfEmpty(VacationDto dto)
{
if (_context.Vacations.Any(x => x.EmployeeID == dto.EmployeeID && x.ID != dto.ID))
{
return(false);
}
Employee employee = new Employee {
ID = dto.EmployeeID, RowVersion = dto.EmployeeRowVersion
};
_context.Employees.Attach(employee);
_context.Entry(employee).State = EntityState.Deleted;
return(true);
}
private bool SetExistingEmployeeByName(Vacation vacation, VacationDto dto)
{
Employee employee = _context.Employees.SingleOrDefault(x => x.ID != dto.EmployeeID && x.FirstName == dto.EmployeeFirstName && x.LastName == dto.EmployeeLastName);
if (employee == null)
{
return(false);
}
_context.Entry(vacation.Employee).State = EntityState.Detached;
vacation.EmployeeID = employee.ID;
vacation.Employee = employee;
dto.EmployeeOwnerID = employee.OwnerID;
return(true);
}
public void Edit(VacationDto dto)
{
Vacation vacation = _mapper.Map <Vacation>(dto);
_context.Vacations.Attach(vacation);
_context.Entry(vacation).State = EntityState.Modified;
if (_context.Employees.Any(x => x.ID == dto.EmployeeID && (x.FirstName != dto.EmployeeFirstName || x.LastName != dto.EmployeeLastName)))
{
if (SetExistingEmployeeByName(vacation, dto))
{
DeleteEmployeeIfEmpty(dto);
}
else
{
_context.Entry(vacation.Employee).State = EntityState.Modified;
}
}
}