Part of: #12439
Closes: #13561

Description

This PR adds support for country selection in the edit origin address screen. Besides country selection, it also handles the loading state and errors while fetching countries from the API.

Testing information

TC1

1. Open the orders tab
2. Tap on an order eligible for shipping label creation
3. Expand the shipment details section
4. Expand on the origin address selection (3 dots)
5. Tap on the pencil
6. Tap on countries
7. Check that the app navigates to the countries selection screen
8. Select a country
9. Check that the country is updated in the edit origin address screen

TC2

Apply the patch below to delay the countries response and return an error

Index: WooCommerce/src/main/kotlin/com/woocommerce/android/ui/orders/wooshippinglabels/address/origin/GetAcceptedOriginCountries.kt
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/WooCommerce/src/main/kotlin/com/woocommerce/android/ui/orders/wooshippinglabels/address/origin/GetAcceptedOriginCountries.kt b/WooCommerce/src/main/kotlin/com/woocommerce/android/ui/orders/wooshippinglabels/address/origin/GetAcceptedOriginCountries.kt
--- a/WooCommerce/src/main/kotlin/com/woocommerce/android/ui/orders/wooshippinglabels/address/origin/GetAcceptedOriginCountries.kt	(revision a8acdd380a9d5cc0f6504d6e23b2efe5713c5747)
+++ b/WooCommerce/src/main/kotlin/com/woocommerce/android/ui/orders/wooshippinglabels/address/origin/GetAcceptedOriginCountries.kt	(date 1738168477625)
@@ -2,19 +2,16 @@
 
 import com.woocommerce.android.model.Location
 import com.woocommerce.android.ui.orders.wooshippinglabels.address.GetAllCountries
+import kotlinx.coroutines.delay
 import javax.inject.Inject
 
 class GetAcceptedOriginCountries @Inject constructor(
     private val getCountries: GetAllCountries
 ) {
     suspend operator fun invoke(): Result<List<Location>> {
-        val result = getCountries()
-        return if (result.isSuccess) {
-            val acceptedCountries = result.getOrThrow().filter { ACCEPTED_USPS_ORIGIN_COUNTRIES.contains(it.code) }
-            Result.success(acceptedCountries)
-        } else {
-            result
-        }
+        getCountries()
+        delay(10_000)
+        return Result.failure(Exception("Error"))
     }
 
     companion object {

1. Open the orders tab
2. Tap on an order eligible for shipping label creation
3. Expand the shipment details section
4. Expand on the origin address selection (3 dots)
5. Tap on the pencil
6. Tap on countries before 10s as passed since the screen is displayed
7. Check that a loading indicator is displayed
8. Wait 10s
9. Check that when the response fails, a message is displayed in a Snackbar with a retry action
10. Check that tapping on the retry action refreshes the countries

The tests that have been performed

• Checking the UI works as expected

Images/gif

• I have considered if this change warrants release notes and have added them to RELEASE-NOTES.txt if necessary. Use the "[Internal]" label for non-user-facing changes.

Reviewer (or Author, in the case of optional code reviews):

Please make sure these conditions are met before approving the PR, or request changes if the PR needs improvement:

• The PR is small and has a clear, single focus, or a valid explanation is provided in the description. If needed, please request to split it into smaller PRs.
• Ensure Adequate Unit Test Coverage: The changes are reasonably covered by unit tests or an explanation is provided in the PR description.
• Manual Testing: The author listed all the tests they ran, including smoke tests when needed (e.g., for refactorings). The reviewer confirmed that the PR works as expected on big (tablet) and small (phone) in case of UI changes, and no regressions are added.