Pass hs tariff requirement by publisher

Author: RafaelKayumov

WooCommerce/Classes/ViewRelated/Orders/Order Details/Shipping Labels/WooShipping Create Shipping Labels/ShipmentDetails/WooShippingShipmentDetailsViewModel.swift

@@ -70,6 +70,7 @@ final class WooShippingShipmentDetailsViewModel: ObservableObject {
             order: order,
             shipment: shipment,
             originCountryCode: originCountryCodePublisher(),
+            isHSTariffNumberRequired: isHSTariffNumberRequiredPublisher(),
             storageManager: storageManager
         ) { [weak self] form in
             self?.customsForm = form
@@ -506,6 +507,13 @@ private extension WooShippingShipmentDetailsViewModel {
             .map(\.?.country)
             .eraseToAnyPublisher()
     }
+
+    func isHSTariffNumberRequiredPublisher() -> AnyPublisher<Bool, Never> {
+        $destinationAddress
+            /// HS tariff number is required for EU countries
+            .map { _ in return false }
+            .eraseToAnyPublisher()
+    }
 }
 
 private extension WooShippingShipmentDetailsViewModel {

WooCommerce/Classes/ViewRelated/Orders/Order Details/Shipping Labels/WooShipping Create Shipping Labels/WooShipping Customs/WooShippingCustomsFormViewModel.swift

@@ -42,6 +42,7 @@ final class WooShippingCustomsFormViewModel: ObservableObject {
     init(order: Order,
          shipment: Shipment,
          originCountryCode: AnyPublisher<String?, Never>? = nil,
+         isHSTariffNumberRequired: AnyPublisher<Bool, Never>? = nil,
          storageManager: StorageManagerType = ServiceLocator.storageManager,
          onFormReady: @escaping (ShippingLabelCustomsForm) -> ()) {
         self.onFormReady = onFormReady
@@ -54,6 +55,7 @@ final class WooShippingCustomsFormViewModel: ObservableObject {
                                             itemWeight: $0.weight,
                                             currencySymbol: currencySymbol(from: order),
                                             originCountryCode: originCountryCode,
+                                            isHSTariffNumberRequired: isHSTariffNumberRequired,
                                             storageManager: storageManager)
         }
 

WooCommerce/Classes/ViewRelated/Orders/Order Details/Shipping Labels/WooShipping Create Shipping Labels/WooShipping Customs/WooShippingCustomsItemViewModel.swift

@@ -69,16 +69,16 @@ final class WooShippingCustomsItemViewModel: ObservableObject {
     ///
     /// Introduced to enforce tariff validation
     /// if `true` then `hsTariffNumber` must be valid for `requiredInformationIsEntered` to be `true`
-    private let isHSTariffNumberRequired: Bool
+    @Published private var isHSTariffNumberRequired: Bool = false
 
     init(itemName: String,
          itemProductID: Int64,
          itemQuantity: Decimal,
          itemValue: Double,
          itemWeight: Double,
          currencySymbol: String,
-         isHSTariffNumberRequired: Bool = false,
          originCountryCode: AnyPublisher<String?, Never>? = nil,
+         isHSTariffNumberRequired: AnyPublisher<Bool, Never>? = nil,
          storageManager: StorageManagerType = ServiceLocator.storageManager) {
         self.title = itemName
         self.description = itemName
@@ -93,11 +93,13 @@ final class WooShippingCustomsItemViewModel: ObservableObject {
 
         self.currencySymbol = currencySymbol
         self.storageManager = storageManager
-        self.isHSTariffNumberRequired = isHSTariffNumberRequired
 
         originCountryCode?
             .assign(to: &$originCountryCode)
 
+        isHSTariffNumberRequired?
+            .assign(to: &$isHSTariffNumberRequired)
+
         fetchCountries()
 
         combineToPreselectCountry()