구글 인 앱 결제 검증코드 수정

build.gradle.kts

@@ -31,6 +31,7 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-security")
     implementation("org.springframework.boot:spring-boot-starter-web")
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
+    implementation("org.springframework.retry:spring-retry")
     implementation("org.jetbrains.kotlin:kotlin-reflect")
 
     // jwt

src/main/kotlin/kr/co/vividnext/sodalive/SodaLiveApplication.kt

@@ -2,10 +2,12 @@ package kr.co.vividnext.sodalive
 
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
+import org.springframework.retry.annotation.EnableRetry
 import org.springframework.scheduling.annotation.EnableAsync
 
 @SpringBootApplication
 @EnableAsync
+@EnableRetry
 class SodaLiveApplication
 
 fun main(args: Array<String>) {

src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeController.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.can.charge
 
+import kr.co.vividnext.sodalive.can.payment.PaymentGateway
 import kr.co.vividnext.sodalive.common.ApiResponse
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.member.Member
@@ -59,25 +60,29 @@ class ChargeController(private val service: ChargeService) {
             throw SodaException("로그인 정보를 확인해주세요.")
         }
 
-        val chargeId = service.googleCharge(
+        if (request.paymentGateway == PaymentGateway.GOOGLE_IAP) {
-            member = member,
+            val chargeId = service.googleCharge(
-            title = request.title,
+                member = member,
-            chargeCan = request.chargeCan,
+                title = request.title,
-            price = request.price,
+                chargeCan = request.chargeCan,
-            currencyCode = request.currencyCode,
+                price = request.price,
-            productId = request.productId,
+                currencyCode = request.currencyCode,
-            purchaseToken = request.purchaseToken,
-            paymentGateway = request.paymentGateway
-        )
-
-        ApiResponse.ok(
-            service.googleVerify(
-                memberId = member.id!!,
-                chargeId = chargeId,
                 productId = request.productId,
                 purchaseToken = request.purchaseToken,
                 paymentGateway = request.paymentGateway
             )
-        )
+
+            ApiResponse.ok(
+                service.processGoogleIap(
+                    memberId = member.id!!,
+                    chargeId = chargeId,
+                    productId = request.productId,
+                    purchaseToken = request.purchaseToken,
+                    paymentGateway = request.paymentGateway
+                )
+            )
+        } else {
+            throw SodaException("결제정보에 오류가 있습니다.")
+        }
     }
 }

src/main/kotlin/kr/co/vividnext/sodalive/can/charge/ChargeService.kt

@@ -1,7 +1,6 @@
 package kr.co.vividnext.sodalive.can.charge
 
 import com.fasterxml.jackson.databind.ObjectMapper
-import com.google.api.services.androidpublisher.AndroidPublisher
 import kr.co.bootpay.Bootpay
 import kr.co.vividnext.sodalive.can.CanRepository
 import kr.co.vividnext.sodalive.can.charge.event.ChargeSpringEvent
@@ -10,6 +9,7 @@ import kr.co.vividnext.sodalive.can.payment.Payment
 import kr.co.vividnext.sodalive.can.payment.PaymentGateway
 import kr.co.vividnext.sodalive.can.payment.PaymentStatus
 import kr.co.vividnext.sodalive.common.SodaException
+import kr.co.vividnext.sodalive.google.GooglePlayService
 import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRepository
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
@@ -21,6 +21,8 @@ import org.springframework.beans.factory.annotation.Value
 import org.springframework.context.ApplicationEventPublisher
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.http.HttpHeaders
+import org.springframework.retry.annotation.Backoff
+import org.springframework.retry.annotation.Retryable
 import org.springframework.security.core.userdetails.User
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -37,7 +39,7 @@ class ChargeService(
     private val okHttpClient: OkHttpClient,
     private val applicationEventPublisher: ApplicationEventPublisher,
 
-    private val androidPublisher: AndroidPublisher,
+    private val googlePlayService: GooglePlayService,
 
     @Value("\${bootpay.application-id}")
     private val bootpayApplicationId: String,
@@ -215,7 +217,7 @@ class ChargeService(
     }
 
     @Transactional
-    fun googleVerify(
+    fun processGoogleIap(
         memberId: Long,
         chargeId: Long,
         productId: String,
@@ -227,73 +229,30 @@ class ChargeService(
         val member = memberRepository.findByIdOrNull(id = memberId)
             ?: throw SodaException("로그인 정보를 확인해주세요.")
 
-        if (paymentGateway == PaymentGateway.GOOGLE_IAP) {
+        if (charge.payment!!.status == PaymentStatus.REQUEST) {
-            val response = androidPublisher.purchases().products()
+            val orderId = verifyPurchase(purchaseToken, productId)
-                .get("kr.co.vividnext.sodalive", productId, purchaseToken)
+            if (orderId.isNotBlank()) {
-                .execute() ?: throw SodaException("결제정보에 오류가 있습니다.")
+                charge.payment!!.orderId = orderId
-            charge.payment!!.orderId = response.orderId
+                charge.payment!!.status = PaymentStatus.COMPLETE
+                member.charge(charge.chargeCan, 0, "aos")
 
-            if (
+                applicationEventPublisher.publishEvent(
-                response.purchaseState == 0 &&
+                    ChargeSpringEvent(
-                charge.payment!!.status == PaymentStatus.REQUEST
+                        chargeId = charge.id!!,
-            ) {
+                        memberId = member.id!!
-                if (consumeWithRetry(productId, purchaseToken, charge, member)) {
-                    applicationEventPublisher.publishEvent(
-                        ChargeSpringEvent(
-                            chargeId = charge.id!!,
-                            memberId = member.id!!
-                        )
                     )
-                } else {
+                )
-                    throw SodaException("구매를 하지 못했습니다.\n고객센터로 문의해 주세요")
-                }
             } else {
-                throw SodaException("결제정보에 오류가 있습니다.")
+                throw SodaException("구매를 하지 못했습니다.\n고객센터로 문의해 주세요")
             }
         } else {
             throw SodaException("결제정보에 오류가 있습니다.")
         }
     }
 
-    private fun consumeWithRetry(productId: String, purchaseToken: String, charge: Charge, member: Member): Boolean {
+    @Retryable(value = [Exception::class], maxAttempts = 3, backoff = Backoff(delay = 2000))
-        var attempt = 0
+    fun verifyPurchase(purchaseToken: String, productId: String): String {
-        var delay = 2000L
+        return googlePlayService.verifyAndConsumePurchase(purchaseToken, productId)
-        val retries = 3
-
-        var lastError: Exception? = null
-
-        while (attempt < retries) {
-            try {
-                androidPublisher.purchases().products().consume(
-                    "kr.co.vividnext.sodalive",
-                    productId,
-                    purchaseToken
-                )
-
-                val response = androidPublisher.purchases().products()
-                    .get("kr.co.vividnext.sodalive", productId, purchaseToken)
-                    .execute() ?: throw SodaException("결제정보에 오류가 있습니다.")
-
-                if (response.consumptionState == 1) {
-                    charge.payment!!.status = PaymentStatus.COMPLETE
-                    member.charge(charge.chargeCan, 0, "aos")
-
-                    return true
-                } else {
-                    attempt += 1
-                    Thread.sleep(delay)
-                    delay *= 2
-                }
-            } catch (e: Exception) {
-                lastError = e
-                attempt += 1
-                Thread.sleep(delay)
-                delay *= 2
-            }
-        }
-
-        lastError?.printStackTrace()
-        return false
     }
 
     private fun requestRealServerVerify(verifyRequest: AppleVerifyRequest): Boolean {

src/main/kotlin/kr/co/vividnext/sodalive/google/GooglePlayService.kt

@@ -0,0 +1,25 @@
+package kr.co.vividnext.sodalive.google
+
+import com.google.api.services.androidpublisher.AndroidPublisher
+import com.google.api.services.androidpublisher.model.ProductPurchasesAcknowledgeRequest
+import org.springframework.stereotype.Service
+
+@Service
+class GooglePlayService(private val androidPublisher: AndroidPublisher) {
+    fun verifyAndConsumePurchase(purchaseToken: String, productId: String): String {
+        val packageName = "kr.co.vividnext.sodalive"
+        val purchase = androidPublisher.purchases().products().get(packageName, productId, purchaseToken).execute()
+
+        if (purchase.purchaseState == 0 && purchase.acknowledgementState == 0) {
+            val request = ProductPurchasesAcknowledgeRequest()
+            androidPublisher.purchases().products()
+                .acknowledge(packageName, productId, purchaseToken, request)
+                .execute()
+
+            androidPublisher.purchases().products().consume(packageName, productId, purchaseToken).execute()
+            return purchase.orderId
+        }
+
+        return ""
+    }
+}