product

type Product struct {
	Id           int     `json:"id"`
	ProductCode  string  `json:"productCode"`
	ProductName  string  `json:"productName"`
	Description  string  `json:"description"`
	StandardCost float64 `json:"standardCost"`
	ListPrice    float64 `json:"listPrice"`
	Category     string  `json:"category"`
}

type ProductList struct {
	Data         []*Product `json:"data"`
	TotalRecords int        `json:"totalRecords"`
}

type ProductTop struct {
	ID          int     `json:"id"`
	ProductName string  `json:"product_name"`
	Vendidos    float64 `json:"vendidos"`
}

type ProductTopResponse struct {
	Data        []*ProductTop `json:"data"`
	TotalVentas float64       `json:"totalVentas"`
}

type Repository interface {
	GetProductById(productId int) (*Product, error)
	GetProducts(params *getProductsRequest) ([]*Product, error)
	GetTotalProducts() (int, error)
	InsertProduct(params *getAddProductRequest) (int64, error)
	UpdateProduct(params *updateProductRequest) (int64, error)
	DeleteProduct(params *deleteProductRequest) (int64, error)
	GetBestSellers() ([]*ProductTop, error)
	GetTotalVentas() (float64, error)
}

type Service interface {
	GetProductById(param *getProductByIDRequest) (*Product, error)
	GetProducts(params *getProductsRequest) (*ProductList, error)
	InsertProduct(params *getAddProductRequest) (int64, error)
	UpdateProduct(params *updateProductRequest) (int64, error)
	DeleteProduct(params *deleteProductRequest) (int64, error)
	GetBestSellers() (*ProductTopResponse, error)
}