main added CustomFields to snipcart product

snipcart/snipcart.go

@@ -127,14 +127,27 @@ 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"`
-	Name           string                   `json:"name"`
-	Stock          int                      `json:"stock"`
-	TotalStock     int                      `json:"totalStock"`
-	AllowBackorder bool                     `json:"allowOutOfStockPurchases"`
-	Variants       []SnipcartProductVariant `json:"variants"`
+	Token          string                       `json:"id"`
+	Id             string                       `json:"userDefinedId"`
+	Name           string                       `json:"name"`
+	Stock          int                          `json:"stock"`
+	TotalStock     int                          `json:"totalStock"`
+	AllowBackorder bool                         `json:"allowOutOfStockPurchases"`
+	CustomFields   []SnipcartProductCustomField `json:"customFields"`
+	Variants       []SnipcartProductVariant     `json:"variants"`
 }
 
 type SnipcartProductsResponse struct {
@@ -308,11 +321,15 @@ func (s *Client) GetProductById(id string) (*SnipcartProduct, error) {
 
 	defer response.Body.Close()
 
-	var product SnipcartProduct
-	err = json.NewDecoder(response.Body).Decode(&product)
+	var products SnipcartProductsResponse
+	err = json.NewDecoder(response.Body).Decode(&products)
 	if err != nil {
 		return nil, err
 	}
 
-	return &product, nil
+	if len(products.Items) < 1 {
+		return nil, fmt.Errorf("no products with id '%s'", id)
+	}
+
+	return &products.Items[0], nil
 }