private async Task <Guid?> Create(Plane plane)
{
Entities.Plane entity = ToEntity(plane);
entity.Id = Guid.NewGuid();
_context.Add(entity);
await _context.SaveChangesAsync();
return(entity.Id);
}
public async Task <Guid?> CreateOrUpdate(Plane plane)
{
if (plane.Id == null || plane.Id == Guid.Empty)
{
return(await Create(plane));
}
else
{
return(await Update(plane));
}
}
private Entities.Plane ToEntity(Plane plane)
{
if (plane == null)
{
return(null);
}
return(new Entities.Plane()
{
Id = plane.Id,
Model = plane.Model,
FuelConsumptionPer100Km = plane.FuelConsumptionPer100Km,
TakeoffFuelConsumption = plane.TakeoffFuelConsumption
});
}
private async Task <Guid?> Update(Plane plane)
{
Entities.Plane entity = ToEntity(plane);
_context.Attach(entity).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
return(plane.Id);
}
catch (DbUpdateConcurrencyException)
{
if (!_context.Planes.Any(e => e.Id == plane.Id))
{
return(null);
}
else
{
throw;
}
}
}
