//Check for om hvor vidt kunden / unit / rum eller typen eksisterer i forvejen
public string AddUnit(string UnitID, string Room, string type, string customer)
{
DataAccess da = new DataAccess();
if (!da.UnitExist(UnitID))
{
if (da.customerExist(customer))
{
if (!da.UnitExist(UnitID, customer))
{
if (da.TypeExist(type, customer))
{
if (da.RoomExist(Room, customer))
{
return AddUnitForCustomer(UnitID, Room, type, customer);
}
else
{
//Lav room
if (da.AddRoom(Room, customer))
{
return AddUnitForCustomer(UnitID, Room, type, customer);
}
else
{
return "Failed to add room";
}
}
}
else
{
if (da.AddType(type, customer))
{
if (da.RoomExist(Room, customer))
{
return AddUnitForCustomer(UnitID, Room, type, customer);
}
else
{
//Create room
if (da.AddRoom(Room, customer))
{
return AddUnitForCustomer(UnitID, Room, type, customer);
}
else
{
return "Failed to add room";
}
}
}
else
{
return "Failed to add type";
}
}
}
else
{
return "Unit already exist in your database";
}
}
else
{
return "customer doesn't exist";
}
}
else
{
return "Unit already exist in Customer Database";
}
}