public static ObservableCollection<EmployeeDepartmentHistory> GetEmployeeDepartmentHistory()
{
using (AdventureWorksContext db = new AdventureWorksContext())
{
List<EmployeeDepartmentHistory> query = (from h in db.EmployeeDepartmentHistories
select h).ToList();
//foreach (EmployeeDepartmentHistory item in query)
//{
// List<Department> departments = (from d in db.Departments
// where item.DepartmentID == d.DepartmentID
// select d).ToList();
// List<Employee> employees = (from e in db.Employees
// where item.BusinessEntityID == e.BusinessEntityID
// select e).ToList();
// List<Shift> shifts = (from s in db.Shifts
// where item.ShiftID == s.ShiftID
// select s).ToList();
// item.Department = departments.First();
// item.Shift = shifts.First();
// item.Employee = employees.First();
//}
return new ObservableCollection<EmployeeDepartmentHistory>(query);
}
}
public static void DeleteEmployeeDepartmentHistoryEntity(EmployeeDepartmentHistory selectedRecord)
{
using (AdventureWorksContext db = new AdventureWorksContext())
{
db.Entry(selectedRecord).State = System.Data.Entity.EntityState.Deleted;
db.SaveChanges();
}
}
public static ObservableCollection<Shift> GetShifts(EmployeeDepartmentHistory selectedItem)
{
using (AdventureWorksContext db = new AdventureWorksContext())
{
if (selectedItem != null)
{
List<Shift> query = (from s in db.Shifts
where selectedItem.ShiftID == s.ShiftID
select s).ToList();
return new ObservableCollection<Shift>(query);
}
else return null;
}
}
public static ObservableCollection<Employee> GetEmployees(EmployeeDepartmentHistory selectedItem)
{
using (AdventureWorksContext db = new AdventureWorksContext())
{
if (selectedItem != null)
{
List<Employee> query = (from e in db.Employees
where selectedItem.BusinessEntityID == e.BusinessEntityID
select e).ToList();
return new ObservableCollection<Employee>(query);
}
else return null;
}
}
public static void EditEmployeeDepartmentHistoryEntity(EmployeeDepartmentHistory employeeDepartmentHistory)
{
using (AdventureWorksContext db = new AdventureWorksContext())
{
db.Entry(employeeDepartmentHistory).State = System.Data.Entity.EntityState.Modified;
try
{
db.SaveChanges();
}
catch (Exception e)
{
db.Dispose();
throw new Exception("Błędne dane obiektu!!");
}
}
}
public static void AddEmployeeDepartmentHistoryEntity(EmployeeDepartmentHistory employeeDepartmentHistory)
{
using (AdventureWorksContext db = new AdventureWorksContext())
{
db.EmployeeDepartmentHistories.Add(employeeDepartmentHistory);
try
{
db.SaveChanges();
}
catch (Exception e)
{
db.Dispose();
throw new Exception("Błędne dane obiektu!!");
}
}
}
