Add merchant toggle to CustomerSheet example

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/samples/ui/customersheet/playground/CustomerSheetPlaygroundActivity.kt

@@ -48,6 +48,7 @@ import com.stripe.android.customersheet.ExperimentalCustomerSheetApi
 import com.stripe.android.customersheet.rememberCustomerSheet
 import com.stripe.android.paymentsheet.PaymentSheet
 import com.stripe.android.paymentsheet.example.R
+import com.stripe.android.paymentsheet.example.samples.ui.customersheet.playground.CustomerSheetPlaygroundViewAction.UpdateMerchantCountryCode
 import com.stripe.android.paymentsheet.example.samples.ui.shared.MultiToggleButton
 import com.stripe.android.paymentsheet.example.samples.ui.shared.PaymentSheetExampleTheme
 import com.stripe.android.paymentsheet.example.utils.rememberDrawablePainter
@@ -535,6 +536,23 @@ class CustomerSheetPlaygroundActivity : AppCompatActivity() {
                     }
                 )
             }
+            Row(
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.SpaceBetween,
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(vertical = 2.dp)
+            ) {
+                Text(
+                    text = "Merchant Country",
+                    color = MaterialTheme.colors.onBackground,
+                )
+                MultiToggleButton(
+                    currentSelection = configurationState.merchantCountry,
+                    toggleStates = listOf("US", "FR"),
+                    onToggleChange = { viewActionHandler(UpdateMerchantCountryCode(it)) },
+                )
+            }
         }
     }
 

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/samples/ui/customersheet/playground/CustomerSheetPlaygroundConfigurationState.kt

@@ -10,5 +10,11 @@ data class CustomerSheetPlaygroundConfigurationState(
     val attachDefaultBillingAddress: Boolean = true,
     val achEnabled: Boolean = true,
     val billingCollectionConfiguration: PaymentSheet.BillingDetailsCollectionConfiguration =
-        PaymentSheet.BillingDetailsCollectionConfiguration()
-)
+        PaymentSheet.BillingDetailsCollectionConfiguration(),
+    val merchantCountry: String = "US",
+    val currency: String = "usd",
+) {
+
+    val customerId: String
+        get() = if (isExistingCustomer) "returning" else "new"
+}

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/samples/ui/customersheet/playground/CustomerSheetPlaygroundViewAction.kt

@@ -11,4 +11,5 @@ sealed class CustomerSheetPlaygroundViewAction {
     data class UpdateBillingEmailCollection(val value: String) : CustomerSheetPlaygroundViewAction()
     data class UpdateBillingPhoneCollection(val value: String) : CustomerSheetPlaygroundViewAction()
     data class UpdateBillingAddressCollection(val value: String) : CustomerSheetPlaygroundViewAction()
+    data class UpdateMerchantCountryCode(val code: String) : CustomerSheetPlaygroundViewAction()
 }

paymentsheet-example/src/main/java/com/stripe/android/paymentsheet/example/samples/ui/customersheet/playground/CustomerSheetPlaygroundViewModel.kt

@@ -147,19 +147,19 @@ class CustomerSheetPlaygroundViewModel(
     )
 
     init {
-        viewModelScope.launch {
+        viewModelScope.launch(Dispatchers.IO) {
             fetchClientSecret()
         }
     }
 
     private suspend fun fetchClientSecret(
-        customerId: String = "returning"
+        customerId: String = configurationState.value.customerId,
     ): Result<PlaygroundCustomerSheetResponse, FuelError> {
         val request = PlaygroundCustomerSheetRequest(
             customerId = customerId,
             mode = "payment",
-            merchantCountryCode = "US",
-            currency = "usd",
+            merchantCountryCode = configurationState.value.merchantCountry,
+            currency = configurationState.value.currency,
         )
 
         val requestBody = Json.encodeToString(
@@ -240,6 +240,9 @@ class CustomerSheetPlaygroundViewModel(
                 updateBillingNameCollection(viewAction.value)
             is CustomerSheetPlaygroundViewAction.UpdateBillingPhoneCollection ->
                 updateBillingPhoneCollection(viewAction.value)
+            is CustomerSheetPlaygroundViewAction.UpdateMerchantCountryCode -> {
+                updateMerchantCountry(viewAction.code)
+            }
         }
     }
 
@@ -301,14 +304,8 @@ class CustomerSheetPlaygroundViewModel(
             )
         }
 
-        viewModelScope.launch {
-            fetchClientSecret(
-                if (configurationState.value.isExistingCustomer) {
-                    "returning"
-                } else {
-                    "new"
-                }
-            )
+        viewModelScope.launch(Dispatchers.IO) {
+            fetchClientSecret()
         }
     }
 
@@ -389,6 +386,21 @@ class CustomerSheetPlaygroundViewModel(
         }
     }
 
+    private fun updateMerchantCountry(code: String) {
+        val currency = if (code == "FR") "eur" else "usd"
+
+        updateConfiguration {
+            it.copy(
+                merchantCountry = code,
+                currency = currency,
+            )
+        }
+
+        viewModelScope.launch(Dispatchers.IO) {
+            fetchClientSecret()
+        }
+    }
+
     private inline fun <reified T : CustomerSheetPlaygroundViewState> updateViewState(transform: (T) -> T) {
         (_viewState.value as? T)?.let {
             _viewState.update {