public async Task <SerialsDB> Add(string newSerial)
{
var existingSerial = _serialService.GetSerialBySerial(newSerial);
if (existingSerial.Id != 0)
{
int id = _serialService.GetLastIdSerial().Result;
var serial = new SerialsDB
{
Id = id + 1,
Serial = newSerial
};
var result = await _context.Serials.AddAsync(serial);
return(result.Entity);
}
return(new SerialsDB {
});
}