Golang version to 19 and not required fields #60 (#61)

Co-authored-by: o.tyurin <[email protected]>

go.mod

@@ -1,3 +1,3 @@
 module github.com/diphantxm/ozon-api-client
 
-go 1.18
+go 1.19

ozon/categories.go

@@ -13,7 +13,7 @@ type Categories struct {
 
 type GetProductTreeParams struct {
  // Response language
- Language Language `json:"language"`
+ Language Language `json:"language,omitempty"`
 }
 
 type GetProductTreeResponse struct {

ozon/products.go

@@ -27,13 +27,13 @@ type GetStocksInfoParams struct {
 
 type GetStocksInfoFilter struct {
  // Filter by the offer_id parameter. It is possible to pass a list of values
- OfferId string `json:"offer_id"`
+ OfferId string `json:"offer_id,omitempty"`
 
  // Filter by the product_id parameter. It is possible to pass a list of values
- ProductId int64 `json:"product_id"`
+ ProductId int64 `json:"product_id,omitempty"`
 
  // Filter by product visibility
- Visibility string `json:"visibility"`
+ Visibility string `json:"visibility,omitempty"`
 }
 
 type GetStocksInfoResponse struct {
@@ -145,6 +145,12 @@ type ProductDetails struct {
  // Product SKU
  SKU int64 `json:"sku"`
 
+ // SKU of the product that is sold from the Ozon warehouse (FBO)
+ FBOSKU int64 `json:"fbo_sku,omitempty"`
+
+ // SKU of the product that is sold from the seller's warehouse (FBS and rFBS)
+ FBSSKU int64 `json:"fbs_sku,omitempty"`
+
  // Document generation task number
  Id int64 `json:"id"`
 
@@ -1940,7 +1946,7 @@ type GetPRoductPriceInfoResultItem struct {
  Commissions GetProductPriceInfoResultItemCommission `json:"commissions"`
 
  // Promotions information
- MarketingActions []GetProductPriceInfoResultItemMarketingActions `json:"marketing_actions"`
+ MarketingActions *GetProductPriceInfoResultItemMarketingActions `json:"marketing_actions"`
 
  // Seller product identifier
  OfferId string `json:"offer_id"`