public async Task <Brand> CreateBrandAsync(Brand brand)
{
if (brand.Id != default(long))
{
throw new InvalidOperationException("Id is generated by the database, should be empty.");
}
await _dbContext.Brands.AddAsync(brand);
await _dbContext.SaveChangesAsync();
return(brand);
}
public async Task <Watch> CreateWatchAsync(Watch watch)
{
if (watch.Id != default(long))
{
throw new InvalidOperationException("Id is generated by the database, should be empty.");
}
await _dbContext.Watches.AddAsync(watch);
await _dbContext.SaveChangesAsync();
await _dbContext.Entry(watch).Reference(x => x.Brand).LoadAsync();
return(watch);
}