룰렛 돌리기 실패시 캔 환불 API 추가

src/main/kotlin/kr/co/vividnext/sodalive/live/roulette/RouletteController.kt

@@ -6,6 +6,7 @@ import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberRole
 import org.springframework.security.core.annotation.AuthenticationPrincipal
 import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
@@ -46,4 +47,14 @@ class RouletteController(private val service: RouletteService) {
 
         ApiResponse.ok(service.spinRoulette(request = request, memberId = member.id!!))
     }
+
+    @PostMapping("/refund/{id}")
+    fun refundDonation(
+        @PathVariable id: Long,
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
+    ) = run {
+        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+
+        ApiResponse.ok(service.refundDonation(id, member))
+    }
 }

src/main/kotlin/kr/co/vividnext/sodalive/live/roulette/RouletteService.kt

@@ -1,9 +1,20 @@
 package kr.co.vividnext.sodalive.live.roulette
 
+import kr.co.vividnext.sodalive.can.CanRepository
+import kr.co.vividnext.sodalive.can.charge.Charge
+import kr.co.vividnext.sodalive.can.charge.ChargeRepository
+import kr.co.vividnext.sodalive.can.charge.ChargeStatus
 import kr.co.vividnext.sodalive.can.payment.CanPaymentService
+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.can.use.CanUsage
+import kr.co.vividnext.sodalive.can.use.UseCanCalculateRepository
+import kr.co.vividnext.sodalive.can.use.UseCanCalculateStatus
 import kr.co.vividnext.sodalive.common.SodaException
 import kr.co.vividnext.sodalive.live.room.LiveRoomRepository
+import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.member.MemberRole
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
@@ -12,8 +23,13 @@ import org.springframework.transaction.annotation.Transactional
 @Service
 class RouletteService(
     private val canPaymentService: CanPaymentService,
+
+    private val canRepository: CanRepository,
     private val repository: RouletteRepository,
-    private val roomRepository: LiveRoomRepository
+    private val chargeRepository: ChargeRepository,
+    private val roomRepository: LiveRoomRepository,
+    private val memberRepository: MemberRepository,
+    private val useCanCalculateRepository: UseCanCalculateRepository
 ) {
     fun createOrUpdateRoulette(memberId: Long, request: CreateOrUpdateRouletteRequest): Boolean {
         rouletteValidate(request)
@@ -91,4 +107,41 @@ class RouletteService(
 
         return GetRouletteResponse(can = roulette.can, isActive = roulette.isActive, items = roulette.items)
     }
+
+    @Transactional
+    fun refundDonation(roomId: Long, member: Member) {
+        val donator = memberRepository.findByIdOrNull(member.id)
+            ?: throw SodaException("룰렛 돌리기에 실패한 캔이 환불되지 않았습니다\n고객센터로 문의해주세요.")
+
+        val useCan = canRepository.getCanUsedForLiveRoomNotRefund(
+            memberId = member.id!!,
+            roomId = roomId,
+            canUsage = CanUsage.SPIN_ROULETTE
+        ) ?: throw SodaException("룰렛 돌리기에 실패한 캔이 환불되지 않았습니다\n고객센터로 문의해주세요.")
+        useCan.isRefund = true
+
+        val useCanCalculates = useCanCalculateRepository.findByUseCanIdAndStatus(useCan.id!!)
+        useCanCalculates.forEach {
+            it.status = UseCanCalculateStatus.REFUND
+            val charge = Charge(0, it.can, status = ChargeStatus.REFUND_CHARGE)
+            charge.title = "${it.can} 캔"
+            charge.useCan = useCan
+
+            when (it.paymentGateway) {
+                PaymentGateway.GOOGLE_IAP -> donator.googleRewardCan += charge.rewardCan
+                PaymentGateway.APPLE_IAP -> donator.appleRewardCan += charge.rewardCan
+                else -> donator.pgRewardCan += charge.rewardCan
+            }
+            charge.member = donator
+
+            val payment = Payment(
+                status = PaymentStatus.COMPLETE,
+                paymentGateway = it.paymentGateway
+            )
+            payment.method = "환불"
+            charge.payment = payment
+
+            chargeRepository.save(charge)
+        }
+    }
 }