main added CustomFields to snipcart product

snipcart/snipcart.go

@@ -127,6 +127,18 @@ type SnipcartProductVariant struct {
 	AllowBackorder bool  `json:"allowOutOfStockPurchases"`
 }
 
+type SnipcartProductCustomField struct {
+	Name         string   `json:"name"`
+	Placeholder  string   `json:"placeholder"`
+	DisplayValue string   `json:"displayValue"`
+	Type         string   `json:"type"`
+	Options      string   `json:"options"`
+	Required     bool     `json:"required"`
+	Value        string   `json:"value"`
+	Operation    int      `json:"operation"`
+	OptionsArray []string `json:"optionsArray"`
+}
+
 type SnipcartProduct struct {
 	Token          string                       `json:"id"`
 	Id             string                       `json:"userDefinedId"`
@@ -134,6 +146,7 @@ type SnipcartProduct struct {
 	Stock          int                          `json:"stock"`
 	TotalStock     int                          `json:"totalStock"`
 	AllowBackorder bool                         `json:"allowOutOfStockPurchases"`
+	CustomFields   []SnipcartProductCustomField `json:"customFields"`
 	Variants       []SnipcartProductVariant     `json:"variants"`
 }
 
@@ -297,7 +310,7 @@ func (s *Client) GetProducts(queries map[string]string) (*SnipcartProductsRespon
 	return &products, nil
 }
 
-func (s *Client) GetProductById(id string) (*SnipcartProductsResponse, error) {
+func (s *Client) GetProductById(id string) (*SnipcartProduct, error) {
 	response, err := helper.Get(productsUri, "Basic", s.AuthBase64, map[string]string{"userDefinedId": id})
 	if err != nil {
 		return nil, err
@@ -314,5 +327,9 @@ func (s *Client) GetProductById(id string) (*SnipcartProductsResponse, error) {
 		return nil, err
 	}
 
-	return &products, nil
+	if len(products.Items) < 1 {
+		return nil, fmt.Errorf("no products with id '%s'", id)
+	}
+
+	return &products.Items[0], nil
 }