[Connect SDK] Integrate with backend calls for client secret #9287
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package com.stripe.android.connectsdk.example | ||
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| import android.app.Application | ||
| import android.os.StrictMode | ||
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| class App : Application() { | ||
| override fun onCreate() { | ||
| super.onCreate() | ||
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| StrictMode.setThreadPolicy( | ||
| StrictMode.ThreadPolicy.Builder() | ||
| .detectDiskReads() | ||
| .detectDiskWrites() | ||
| .detectAll() | ||
| .penaltyLog() | ||
| .build() | ||
| ) | ||
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| StrictMode.setVmPolicy( | ||
| StrictMode.VmPolicy.Builder() | ||
| .detectLeakedSqlLiteObjects() | ||
| .detectLeakedClosableObjects() | ||
| .penaltyLog() | ||
| .build() | ||
| ) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,15 +1,89 @@ | ||
| package com.stripe.android.connectsdk.example.networking | ||
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| import com.github.kittinunf.fuel.core.Deserializable | ||
| import com.github.kittinunf.fuel.core.FuelError | ||
| import com.github.kittinunf.fuel.core.FuelManager | ||
| import com.github.kittinunf.fuel.core.Request | ||
| import com.github.kittinunf.fuel.core.Response | ||
| import com.github.kittinunf.fuel.core.awaitResult | ||
| import com.github.kittinunf.result.Result | ||
| import kotlinx.serialization.DeserializationStrategy | ||
| import kotlinx.serialization.SerialName | ||
| import kotlinx.serialization.Serializable | ||
| import kotlinx.serialization.json.Json | ||
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| class EmbeddedComponentService { | ||
| private val fuel = FuelManager.instance | ||
| .apply { | ||
| // add logging | ||
| addRequestInterceptor(RequestLogger(tag = "EmbeddedComponentService")) | ||
| addResponseInterceptor(ResponseLogger(tag = "EmbeddedComponentService")) | ||
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| // add headers | ||
| addRequestInterceptor(ApplicationJsonHeaderInterceptor) | ||
| addRequestInterceptor(UserAgentHeader) | ||
| } | ||
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| /** | ||
| * Returns the publishable key for use in the Stripe Connect SDK as well as a list | ||
| * of available merchants. Throws a [FuelError] exception on network issues and other errors. | ||
| */ | ||
| suspend fun getAccounts(): GetAccountsResponse { | ||
| return fuel.get(EXAMPLE_BACKEND_URL + "app_info") | ||
| .awaitModel(GetAccountsResponse.serializer()) | ||
| .get() | ||
| } | ||
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| /** | ||
| * Returns the client secret for the given merchant account to be used in the Stripe Connect SDK. | ||
| * Throws a [FuelError] exception on network issues and other errors. | ||
| */ | ||
| suspend fun fetchClientSecret(account: String): String { | ||
| return fuel.post(EXAMPLE_BACKEND_URL + "account_session") | ||
| .header("account", account) | ||
| .awaitModel(FetchClientSecretResponse.serializer()) | ||
| .get() | ||
| .clientSecret | ||
| } | ||
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| companion object { | ||
| private const val EXAMPLE_BACKEND_URL = "https://stripe-connect-mobile-example-v1.glitch.me/" | ||
| } | ||
| } | ||
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| @Serializable | ||
| data class FetchClientSecretResponse( | ||
| @SerialName("client_secret") | ||
| val clientSecret: String | ||
| ) | ||
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| @Serializable | ||
| data class GetAccountsResponse( | ||
| @SerialName("publishable_key") | ||
| val publishableKey: String, | ||
| @SerialName("available_merchants") | ||
| val availableMerchants: List<Merchant> | ||
| ) | ||
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| @Serializable | ||
| data class Merchant( | ||
| @SerialName("merchant_id") | ||
| val merchantId: String, | ||
| @SerialName("display_name") | ||
| val displayName: String | ||
| ) | ||
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| suspend fun <T : Any> Request.awaitModel( | ||
| serializer: DeserializationStrategy<T> | ||
| ): Result<T, FuelError> { | ||
| val deserializer = object : Deserializable<T> { | ||
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| override fun deserialize(response: Response): T { | ||
| println(response.toString()) | ||
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| val body = response.body().asString("application/json") | ||
| return Json.decodeFromString(serializer, body) | ||
| } | ||
| } | ||
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| return awaitResult(deserializer) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package com.stripe.android.connectsdk.example.networking | ||
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| import android.os.Build | ||
| import com.github.kittinunf.fuel.core.FoldableRequestInterceptor | ||
| import com.github.kittinunf.fuel.core.FoldableResponseInterceptor | ||
| import com.github.kittinunf.fuel.core.RequestTransformer | ||
| import com.github.kittinunf.fuel.core.ResponseTransformer | ||
| import com.github.kittinunf.fuel.core.extensions.cUrlString | ||
| import com.stripe.android.connectsdk.example.BuildConfig | ||
| import com.stripe.android.core.Logger | ||
| import com.stripe.android.core.version.StripeSdkVersion | ||
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| object ApplicationJsonHeaderInterceptor : FoldableRequestInterceptor { | ||
| override fun invoke(next: RequestTransformer): RequestTransformer { | ||
| return { request -> | ||
| next(request.header("content-type", "application/json")) | ||
| } | ||
| } | ||
| } | ||
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| object UserAgentHeader : FoldableRequestInterceptor { | ||
| private fun getUserAgent(): String { | ||
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| val androidBrand = Build.BRAND | ||
| val androidDevice = Build.MODEL | ||
| val osVersion = Build.VERSION.SDK_INT | ||
| return buildString { | ||
| append("Stripe/ConnectSDKExample") | ||
| append(" (Android $androidBrand $androidDevice; (OS Version $osVersion))+") | ||
| append(" Version/${StripeSdkVersion.VERSION_NAME}") | ||
| } | ||
| } | ||
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| override fun invoke(next: RequestTransformer): RequestTransformer { | ||
| return { request -> | ||
| next(request.header("User-Agent", getUserAgent())) | ||
| } | ||
| } | ||
| } | ||
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| class RequestLogger( | ||
| private val tag: String, | ||
| private val logger: Logger = Logger.getInstance(enableLogging = BuildConfig.DEBUG), | ||
| ) : FoldableRequestInterceptor { | ||
| override fun invoke(next: RequestTransformer): RequestTransformer { | ||
| return { request -> | ||
| logger.info("($tag) Request: ${request.cUrlString()}") | ||
| next(request) | ||
| } | ||
| } | ||
| } | ||
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| class ResponseLogger( | ||
| private val tag: String, | ||
| private val logger: Logger = Logger.getInstance(enableLogging = BuildConfig.DEBUG), | ||
| ) : FoldableResponseInterceptor { | ||
| override fun invoke(next: ResponseTransformer): ResponseTransformer { | ||
| return { request, response -> | ||
| logger.info("($tag) Response: $response") | ||
| next(request, response) | ||
| } | ||
| } | ||
| } | ||
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style: IMO we should prefer having only one public class per file. It makes finding things a lot easier.
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Good call. I'll refactor in a follow-up