Specify enum values for status in GetFBOReturns method

ozon/common.go

@@ -464,3 +464,18 @@ const (
 	CancelledWithCompensation GetFBSReturnsFilterStatus = "cancelled_with_compensation"
 	ReadyForShipment          GetFBSReturnsFilterStatus = "ready_for_shipment"
 )
+
+type GetFBOReturnsFilterStatus string
+
+const (
+	GetFBOReturnsFilterStatusReturnedToOzon GetFBOReturnsFilterStatus = "ReturnedToOzon"
+	GetFBOReturnsFilterStatusCancelled      GetFBOReturnsFilterStatus = "Cancelled"
+)
+
+type GetFBOReturnsReturnStatus string
+
+const (
+	GetFBOReturnsReturnStatusCancelled            GetFBOReturnsReturnStatus = "Возврат отменен"
+	GetFBOReturnsReturnStatusAcceptedFromCustomer GetFBOReturnsReturnStatus = "Принят от покупателя"
+	GetFBOReturnsReturnStatusReceivedAtOzon       GetFBOReturnsReturnStatus = "Получен в Ozon"
+)

ozon/returns.go

@@ -28,7 +28,8 @@ type GetFBOReturnsFilter struct {
 	// Shipment number
 	PostingNumber string `json:"posting_number"`
 
-	Status []string `json:"status"`
+	// Return status
+	Status []GetFBOReturnsFilterStatus `json:"status"`
 }
 
 type GetFBOReturnsResponse struct {
@@ -73,7 +74,7 @@ type GetFBOReturnsReturn struct {
 	SKU int64 `json:"sku"`
 
 	// Return status
-	Status string `json:"status_name"`
+	Status GetFBOReturnsReturnStatus `json:"status_name"`
 }
 
 // Method for getting information on returned products that are sold from the Ozon warehouse