public async Task UpdateCoefficient(double coefficient, string userId)
{
var user = await GetUser(userId);
user.Coefficient = coefficient;
_db.Update(user);
await _db.SaveChangesAsync();
}
public async Task Add(Product product)
{
await _db.Products.AddAsync(product);
await _db.SaveChangesAsync();
}
public async Task Add(List <AdditionalImage> addtImages)
{
await _db.AdditionalImages.AddRangeAsync(addtImages);
await _db.SaveChangesAsync();
}