public void AssignRoom(Department department, Room room)
{
if (department == null) throw new ArgumentNullException("department");
if (room == null) throw new ArgumentNullException("room");
var existingDepartment = Context.Departments.FirstOrDefault(x => x.Id == department.Id);
if (existingDepartment == null)
{
throw new InvalidOperationException(string.Format("Department with id {0} does not exist", department.Id));
}
if (room.Id == Guid.Empty)
{
room.Id = Guid.NewGuid();
}
if (existingDepartment.Rooms.Any(x => x.Name == room.Name))
{
throw new InvalidOperationException(string.Format("Room {0} is already assigned to department {1}", room.Name, existingDepartment.Name));
}
room.Locations = Context.Locations.ToList();
existingDepartment.Rooms.Add(room);
Context.SaveChanges();
}
public void AssignRoomToDepartment(Department department, Room room)
{
if (department == null) throw new ArgumentNullException("department");
if (room == null) throw new ArgumentNullException("room");
var departmentService = new DepartmentService(Context);
departmentService.AssignRoom(department, room);
}
public void AssignRoom(string departmentName, Room room)
{
if (string.IsNullOrEmpty(departmentName)) throw new ArgumentNullException("department");
if (room == null) throw new ArgumentNullException("room");
var department = Context.Departments.FirstOrDefault(x => x.Name == departmentName);
AssignRoom(department, room);
}
public void AssignRoomToDepartment(string departmentName, Room room)
{
if (string.IsNullOrEmpty(departmentName)) throw new ArgumentNullException("department");
if (room == null) throw new ArgumentNullException("room");
var departmentService = new DepartmentService(Context);
departmentService.AssignRoom(departmentName, room);
}
public void Delete(Room room)
{
if (room == null) throw new ArgumentNullException("room");
if (Context.Entry(room).State == EntityState.Detached)
{
room = Context.Rooms.FirstOrDefault(x => x.Id == room.Id);
}
Context.Rooms.Remove(room);
Context.SaveChanges();
}
public void AssignDevice(Room room, Device device)
{
if (room == null) throw new ArgumentNullException("room");
if (device == null) throw new ArgumentNullException("device");
var existingRoom = Context.Rooms.FirstOrDefault(x => x.Id == room.Id);
if (existingRoom == null)
{
throw new InvalidOperationException(string.Format("Room with id {0} does not exist", room.Id));
}
if (device.Location == null)
{
throw new ArgumentException("Device is not assigned to a location");
}
if (!existingRoom.Locations.Any(x => x.Name == device.Location.Name))
{
throw new InvalidOperationException(string.Format("Location {0} is not available in room {1}", device.Location.Name, room.Name));
}
existingRoom.Devices.Add(device);
Context.SaveChanges();
}