LinkAccount payment methods list

link/src/main/java/com/stripe/android/link/NoLinkAccountFoundException.kt

@@ -0,0 +1,3 @@
+package com.stripe.android.link
+
+internal class NoLinkAccountFoundException : IllegalStateException("No link account found")

link/src/main/java/com/stripe/android/link/account/DefaultLinkAccountManager.kt

@@ -6,12 +6,14 @@ import com.stripe.android.core.exception.StripeException
 import com.stripe.android.link.BuildConfig
 import com.stripe.android.link.LinkConfiguration
 import com.stripe.android.link.LinkPaymentDetails
+import com.stripe.android.link.NoLinkAccountFoundException
 import com.stripe.android.link.analytics.LinkEventsReporter
 import com.stripe.android.link.model.AccountStatus
 import com.stripe.android.link.model.LinkAccount
 import com.stripe.android.link.repositories.LinkRepository
 import com.stripe.android.link.ui.inline.SignUpConsentAction
 import com.stripe.android.link.ui.inline.UserInput
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSession
 import com.stripe.android.model.ConsumerSessionLookup
 import com.stripe.android.model.ConsumerSignUpConsentAction
@@ -242,6 +244,15 @@ internal class DefaultLinkAccountManager @Inject constructor(
             }
     }
 
+    override suspend fun listPaymentDetails(paymentMethodTypes: Set<String>): Result<ConsumerPaymentDetails> {
+        val clientSecret = linkAccount.value?.clientSecret ?: return Result.failure(NoLinkAccountFoundException())
+        return linkRepository.listPaymentDetails(
+            paymentMethodTypes = paymentMethodTypes,
+            consumerSessionClientSecret = clientSecret,
+            consumerPublishableKey = consumerPublishableKey
+        )
+    }
+
     @VisibleForTesting
     internal fun setAccountNullable(
         consumerSession: ConsumerSession?,

link/src/main/java/com/stripe/android/link/account/LinkAccountManager.kt

@@ -5,6 +5,7 @@ import com.stripe.android.link.model.AccountStatus
 import com.stripe.android.link.model.LinkAccount
 import com.stripe.android.link.ui.inline.SignUpConsentAction
 import com.stripe.android.link.ui.inline.UserInput
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSession
 import com.stripe.android.model.ConsumerSessionLookup
 import com.stripe.android.model.PaymentMethodCreateParams
@@ -69,4 +70,9 @@ internal interface LinkAccountManager {
      * Confirms a verification code sent to the user.
      */
     suspend fun confirmVerification(code: String): Result<LinkAccount>
+
+    /**
+     * Fetch all saved payment methods for the signed in consumer.
+     */
+    suspend fun listPaymentDetails(paymentMethodTypes: Set<String>): Result<ConsumerPaymentDetails>
 }

link/src/main/java/com/stripe/android/link/repositories/LinkApiRepository.kt

@@ -200,6 +200,23 @@ internal class LinkApiRepository @Inject constructor(
         }
     }
 
+    override suspend fun listPaymentDetails(
+        paymentMethodTypes: Set<String>,
+        consumerSessionClientSecret: String,
+        consumerPublishableKey: String?
+    ): Result<ConsumerPaymentDetails> {
+        return stripeRepository.listPaymentDetails(
+            clientSecret = consumerSessionClientSecret,
+            paymentMethodTypes = paymentMethodTypes,
+            requestOptions = consumerPublishableKey?.let {
+                ApiRequest.Options(it)
+            } ?: ApiRequest.Options(
+                publishableKeyProvider(),
+                stripeAccountIdProvider()
+            )
+        )
+    }
+
     private fun buildRequestOptions(
         consumerAccountPublishableKey: String? = null,
     ): ApiRequest.Options {

link/src/main/java/com/stripe/android/link/repositories/LinkRepository.kt

@@ -1,6 +1,7 @@
 package com.stripe.android.link.repositories
 
 import com.stripe.android.link.LinkPaymentDetails
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSession
 import com.stripe.android.model.ConsumerSessionLookup
 import com.stripe.android.model.ConsumerSessionSignup
@@ -71,4 +72,13 @@ internal interface LinkRepository {
         consumerSessionClientSecret: String,
         consumerPublishableKey: String?,
     ): Result<ConsumerSession>
+
+    /**
+     * Fetch all saved payment methods for the signed in consumer.
+     */
+    suspend fun listPaymentDetails(
+        paymentMethodTypes: Set<String>,
+        consumerSessionClientSecret: String,
+        consumerPublishableKey: String?
+    ): Result<ConsumerPaymentDetails>
 }

link/src/main/java/com/stripe/android/link/ui/LinkContent.kt

@@ -24,7 +24,7 @@ import com.stripe.android.link.LinkAction
 import com.stripe.android.link.LinkActivityResult
 import com.stripe.android.link.LinkActivityViewModel
 import com.stripe.android.link.LinkScreen
-import com.stripe.android.link.NoLinkAccountFound
+import com.stripe.android.link.NoLinkAccountFoundException
 import com.stripe.android.link.linkViewModel
 import com.stripe.android.link.model.LinkAccount
 import com.stripe.android.link.theme.DefaultLinkTheme
@@ -142,7 +142,7 @@ private fun Screens(
 
         composable(LinkScreen.Verification.route) {
             val linkAccount = getLinkAccount()
-                ?: return@composable dismissWithResult(LinkActivityResult.Failed(NoLinkAccountFound()))
+                ?: return@composable dismissWithResult(LinkActivityResult.Failed(NoLinkAccountFoundException()))
             val viewModel: VerificationViewModel = linkViewModel { parentComponent ->
                 VerificationViewModel.factory(
                     parentComponent = parentComponent,

link/src/test/java/com/stripe/android/link/TestFactory.kt

@@ -69,4 +69,13 @@ internal object TestFactory {
     )
 
     val LINK_ACCOUNT = LinkAccount(CONSUMER_SESSION)
+
+    val CONSUMER_PAYMENT_DETAILS: ConsumerPaymentDetails = ConsumerPaymentDetails(
+        paymentDetails = listOf(
+            ConsumerPaymentDetails.Card(
+                id = "pm_123",
+                last4 = "4242",
+            )
+        )
+    )
 }

link/src/test/java/com/stripe/android/link/account/DefaultLinkAccountManagerTest.kt

@@ -14,6 +14,7 @@ import com.stripe.android.link.repositories.FakeLinkRepository
 import com.stripe.android.link.repositories.LinkRepository
 import com.stripe.android.link.ui.inline.SignUpConsentAction
 import com.stripe.android.link.ui.inline.UserInput
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSession
 import com.stripe.android.model.ConsumerSessionLookup
 import com.stripe.android.model.ConsumerSessionSignup
@@ -699,6 +700,53 @@ class DefaultLinkAccountManagerTest {
         assertThat(linkEventsReporter.callCount).isEqualTo(1)
     }
 
+    @Test
+    fun `listPaymentDetails returns error when repository call fails`() = runSuspendTest {
+        val error = AuthenticationException(StripeError())
+        val linkRepository = object : FakeLinkRepository() {
+            var paymentMethodTypes: Set<String>? = null
+            override suspend fun listPaymentDetails(
+                paymentMethodTypes: Set<String>,
+                consumerSessionClientSecret: String,
+                consumerPublishableKey: String?
+            ): Result<ConsumerPaymentDetails> {
+                this.paymentMethodTypes = paymentMethodTypes
+                return Result.failure(error)
+            }
+        }
+
+        val accountManager = accountManager(linkRepository = linkRepository)
+        accountManager.setAccountNullable(TestFactory.CONSUMER_SESSION, TestFactory.PUBLISHABLE_KEY)
+
+        val result = accountManager.listPaymentDetails(setOf("card"))
+
+        assertThat(result.exceptionOrNull()).isEqualTo(error)
+        assertThat(linkRepository.paymentMethodTypes).isEqualTo(setOf("card"))
+    }
+
+    @Test
+    fun `listPaymentDetails returns success when repository call succeeds`() = runSuspendTest {
+        val linkRepository = object : FakeLinkRepository() {
+            var paymentMethodTypes: Set<String>? = null
+            override suspend fun listPaymentDetails(
+                paymentMethodTypes: Set<String>,
+                consumerSessionClientSecret: String,
+                consumerPublishableKey: String?
+            ): Result<ConsumerPaymentDetails> {
+                this.paymentMethodTypes = paymentMethodTypes
+                return Result.success(TestFactory.CONSUMER_PAYMENT_DETAILS)
+            }
+        }
+
+        val accountManager = accountManager(linkRepository = linkRepository)
+        accountManager.setAccountNullable(TestFactory.CONSUMER_SESSION, TestFactory.PUBLISHABLE_KEY)
+
+        val result = accountManager.listPaymentDetails(setOf("card"))
+
+        assertThat(result.getOrNull()).isEqualTo(TestFactory.CONSUMER_PAYMENT_DETAILS)
+        assertThat(linkRepository.paymentMethodTypes).isEqualTo(setOf("card"))
+    }
+
     private fun runSuspendTest(testBody: suspend TestScope.() -> Unit) = runTest {
         testBody()
     }

link/src/test/java/com/stripe/android/link/account/FakeLinkAccountManager.kt

@@ -1,6 +1,7 @@
 package com.stripe.android.link.account
 
 import com.stripe.android.link.LinkPaymentDetails
+import com.stripe.android.link.TestFactory
 import com.stripe.android.link.model.AccountStatus
 import com.stripe.android.link.model.LinkAccount
 import com.stripe.android.link.ui.inline.SignUpConsentAction
@@ -36,6 +37,7 @@ internal open class FakeLinkAccountManager : LinkAccountManager {
             paymentMethodCreateParams = mock(),
         )
     )
+    var listPaymentDetailsResult: Result<ConsumerPaymentDetails> = Result.success(TestFactory.CONSUMER_PAYMENT_DETAILS)
     var linkAccountFromLookupResult: LinkAccount? = null
     override var consumerPublishableKey: String? = null
 
@@ -86,4 +88,8 @@ internal open class FakeLinkAccountManager : LinkAccountManager {
     override suspend fun confirmVerification(code: String): Result<LinkAccount> {
         return confirmVerificationResult
     }
+
+    override suspend fun listPaymentDetails(paymentMethodTypes: Set<String>): Result<ConsumerPaymentDetails> {
+        return listPaymentDetailsResult
+    }
 }

link/src/test/java/com/stripe/android/link/repositories/FakeLinkRepository.kt

@@ -1,6 +1,7 @@
 package com.stripe.android.link.repositories
 
 import com.stripe.android.link.TestFactory
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSignUpConsentAction
 import com.stripe.android.model.PaymentMethodCreateParams
 import com.stripe.android.model.StripeIntent
@@ -13,6 +14,7 @@ open class FakeLinkRepository : LinkRepository {
     var logOutResult = Result.success(TestFactory.CONSUMER_SESSION)
     var startVerificationResult = Result.success(TestFactory.CONSUMER_SESSION)
     var confirmVerificationResult = Result.success(TestFactory.CONSUMER_SESSION)
+    var listPaymentDetailsResult = Result.success(TestFactory.CONSUMER_PAYMENT_DETAILS)
 
     override suspend fun lookupConsumer(email: String) = lookupConsumerResult
 
@@ -55,4 +57,10 @@ open class FakeLinkRepository : LinkRepository {
         consumerSessionClientSecret: String,
         consumerPublishableKey: String?
     ) = confirmVerificationResult
+
+    override suspend fun listPaymentDetails(
+        paymentMethodTypes: Set<String>,
+        consumerSessionClientSecret: String,
+        consumerPublishableKey: String?
+    ): Result<ConsumerPaymentDetails> = listPaymentDetailsResult
 }

link/src/test/java/com/stripe/android/link/repositories/LinkApiRepositoryTest.kt

@@ -494,6 +494,31 @@ class LinkApiRepositoryTest {
         assertThat(result.isFailure).isTrue()
     }
 
+    @Test
+    fun `listPaymentDetails sends correct parameters`() = runTest {
+        val secret = "secret"
+        val consumerKey = "key"
+        linkRepository.listPaymentDetails(setOf("card"), secret, consumerKey)
+
+        verify(stripeRepository).listPaymentDetails(
+            eq(secret),
+            eq(setOf("card")),
+            eq(ApiRequest.Options(consumerKey))
+        )
+    }
+
+    @Test
+    fun `listPaymentDetails without consumerPublishableKey sends correct parameters`() = runTest {
+        val secret = "secret"
+        linkRepository.listPaymentDetails(setOf("card"), secret, null)
+
+        verify(stripeRepository).listPaymentDetails(
+            eq(secret),
+            eq(setOf("card")),
+            eq(ApiRequest.Options(PUBLISHABLE_KEY, STRIPE_ACCOUNT_ID))
+        )
+    }
+
     private val cardPaymentMethodCreateParams =
         FieldValuesToParamsMapConverter.transformToPaymentMethodCreateParams(
             mapOf(

payments-core-testing/src/main/java/com/stripe/android/testing/AbsFakeStripeRepository.kt

@@ -9,6 +9,7 @@ import com.stripe.android.model.BankStatuses
 import com.stripe.android.model.CardMetadata
 import com.stripe.android.model.ConfirmPaymentIntentParams
 import com.stripe.android.model.ConfirmSetupIntentParams
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSession
 import com.stripe.android.model.CreateFinancialConnectionsSessionForDeferredPaymentParams
 import com.stripe.android.model.CreateFinancialConnectionsSessionParams
@@ -421,4 +422,12 @@ abstract class AbsFakeStripeRepository : StripeRepository {
     override fun buildPaymentUserAgent(attribution: Set<String>): String {
         TODO("Not yet implemented")
     }
+
+    override suspend fun listPaymentDetails(
+        clientSecret: String,
+        paymentMethodTypes: Set<String>,
+        requestOptions: ApiRequest.Options
+    ): Result<ConsumerPaymentDetails> {
+        TODO("Not yet implemented")
+    }
 }

payments-core/src/main/java/com/stripe/android/networking/StripeApiRepository.kt

@@ -52,6 +52,7 @@ import com.stripe.android.model.ConfirmPaymentIntentParams
 import com.stripe.android.model.ConfirmSetupIntentParams
 import com.stripe.android.model.ConfirmStripeIntentParams
 import com.stripe.android.model.ConfirmStripeIntentParams.Companion.PARAM_CLIENT_SECRET
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSession
 import com.stripe.android.model.CreateFinancialConnectionsSessionForDeferredPaymentParams
 import com.stripe.android.model.CreateFinancialConnectionsSessionParams
@@ -77,6 +78,7 @@ import com.stripe.android.model.StripeIntent
 import com.stripe.android.model.Token
 import com.stripe.android.model.TokenParams
 import com.stripe.android.model.parsers.CardMetadataJsonParser
+import com.stripe.android.model.parsers.ConsumerPaymentDetailsJsonParser
 import com.stripe.android.model.parsers.ConsumerPaymentDetailsShareJsonParser
 import com.stripe.android.model.parsers.ConsumerSessionJsonParser
 import com.stripe.android.model.parsers.CustomerJsonParser
@@ -1435,6 +1437,27 @@ class StripeApiRepository @JvmOverloads internal constructor(
         )
     }
 
+    override suspend fun listPaymentDetails(
+        clientSecret: String,
+        paymentMethodTypes: Set<String>,
+        requestOptions: ApiRequest.Options
+    ): Result<ConsumerPaymentDetails> {
+        return fetchStripeModelResult(
+            apiRequestFactory.createPost(
+                listConsumerPaymentDetailsUrl,
+                requestOptions,
+                mapOf(
+                    "request_surface" to "android_payment_element",
+                    "credentials" to mapOf(
+                        "consumer_session_client_secret" to clientSecret
+                    ),
+                    "types" to paymentMethodTypes.toList()
+                )
+            ),
+            ConsumerPaymentDetailsJsonParser
+        )
+    }
+
     private suspend fun retrieveElementsSession(
         params: ElementsSessionParams,
         options: ApiRequest.Options,

payments-core/src/main/java/com/stripe/android/networking/StripeRepository.kt

@@ -10,6 +10,7 @@ import com.stripe.android.model.BankStatuses
 import com.stripe.android.model.CardMetadata
 import com.stripe.android.model.ConfirmPaymentIntentParams
 import com.stripe.android.model.ConfirmSetupIntentParams
+import com.stripe.android.model.ConsumerPaymentDetails
 import com.stripe.android.model.ConsumerSession
 import com.stripe.android.model.CreateFinancialConnectionsSessionForDeferredPaymentParams
 import com.stripe.android.model.CreateFinancialConnectionsSessionParams
@@ -380,6 +381,13 @@ interface StripeRepository {
         params: Map<String, String>? = null
     ): Result<MobileCardElementConfig>
 
+    @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
+    suspend fun listPaymentDetails(
+        clientSecret: String,
+        paymentMethodTypes: Set<String>,
+        requestOptions: ApiRequest.Options
+    ): Result<ConsumerPaymentDetails>
+
     @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
     fun buildPaymentUserAgent(attribution: Set<String> = emptySet()): String
 }