public FlyerController(IFlyerRepository flyerRepository, IProductRepository productRepository, ICategoryRepository categoryReposity, IMerchantRepository merchantRepository, IMerchantCategoryRepo merchantCategoryRepo)
 {
     _flyerRepository      = flyerRepository;
     _productRepository    = productRepository;
     _categoryReposity     = categoryReposity;
     _merchantRepository   = merchantRepository;
     _merchantCategoryRepo = merchantCategoryRepo;
 }
 public ProductController(UserManager <AppUser> userManager, SignInManager <AppUser> signInManager, IMerchantRepository merchantRepository, ICategoryRepository categoryRepository, IProductRepository productRepository, IMerchantCategoryRepo merchantCategoryRepo, ICartRepository cartRepository, ICartItemRepository cartItemRepository, IMapper mapper)
 {
     _userManager          = userManager;
     _signInManager        = signInManager;
     _merchantRepository   = merchantRepository;
     _categoryRepository   = categoryRepository;
     _productRepository    = productRepository;
     _merchantCategoryRepo = merchantCategoryRepo;
     _cartRepository       = cartRepository;
     _cartItemRepository   = cartItemRepository;
     _mapper = mapper;
 }