internal async Task <Tuple <Status, string> > AddMake(string make)
{
Vehicle_Makes result = dBase.Vehicle_Makes.FirstOrDefault(name => name.Make_Name.ToLower() == make.ToLower());
if (result == null)
{
Vehicle_Makes added = dBase.Vehicle_Makes.Add(new Vehicle_Makes()
{
Make_Name = make
});
if (added != null)
{
dBase.Vehicle_Makes.OrderBy(x => x.Make_Name);
await dBase.SaveChangesAsync();
return(new Tuple <Status, string>(Status.Success, $" {make} Successfully Added"));
}
else
{
return(new Tuple <Status, string>(Status.Failure, "Something Went Wrong"));
}
}
else
{
return(new Tuple <Status, string>(Status.Failure, $" {make} Already Exists"));
}
}
internal async Task <Tuple <Status, string> > TryDeleteMake(string make)
{
Vehicle_Makes chosenMake = dBase.Vehicle_Makes.FirstOrDefault(id => id.Make_Name == make);
int makeId = chosenMake.Make_ID;
bool models = false,
types = false,
vehicles = false,
rentals = false;
if (dBase.Vehicle_Models.FirstOrDefault(model => model.Make_ID == makeId) != null)
{
models = true;
}
if (dBase.Vehicle_Types.FirstOrDefault(model => model.Make_ID == makeId) != null)
{
types = true;
}
if (dBase.Vehicles.FirstOrDefault(model => model.Vehicle_Types.Make_ID == makeId) != null)
{
vehicles = true;
}
if (dBase.Rentals.FirstOrDefault(model => model.Vehicle.Vehicle_Types.Make_ID == makeId) != null)
{
rentals = true;
}
if (models || types || vehicles || rentals)
{
string error = concatErrorString(models, types, vehicles, rentals);
return(new Tuple <Status, string>(Status.Failure, error));
}
else
{
dBase.Vehicle_Makes.Remove(chosenMake);
await dBase.SaveChangesAsync();
return(new Tuple <Status, string>(Status.Success, make + " Deleted"));
}
}
