룰렛 데이터 생성/수정 API 추가

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

@@ -0,0 +1,7 @@
+package kr.co.vividnext.sodalive.live.roulette
+
+data class CreateOrUpdateRouletteRequest(
+    val can: Int,
+    val isActive: Boolean,
+    val items: List<RouletteItem>
+)

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

@@ -0,0 +1,18 @@
+package kr.co.vividnext.sodalive.live.roulette
+
+import org.springframework.data.annotation.Id
+import org.springframework.data.redis.core.RedisHash
+
+@RedisHash("roulette")
+data class Roulette(
+    @Id
+    val creatorId: Long,
+    var can: Int,
+    var isActive: Boolean,
+    var items: List<RouletteItem>
+)
+
+data class RouletteItem(
+    val title: String,
+    val percentage: Int
+)

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

@@ -0,0 +1,27 @@
+package kr.co.vividnext.sodalive.live.roulette
+
+import kr.co.vividnext.sodalive.common.ApiResponse
+import kr.co.vividnext.sodalive.common.SodaException
+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.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/roulette")
+class RouletteController(private val service: RouletteService) {
+    @PostMapping
+    fun createOrUpdateRoulette(
+        @RequestBody request: CreateOrUpdateRouletteRequest,
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
+    ) = run {
+        if (member == null || member.role != MemberRole.CREATOR) {
+            throw SodaException("로그인 정보를 확인해주세요.")
+        }
+
+        ApiResponse.ok(service.createOrUpdateRoulette(memberId = member.id!!, request = request))
+    }
+}

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

@@ -0,0 +1,7 @@
+package kr.co.vividnext.sodalive.live.roulette
+
+import org.springframework.data.repository.CrudRepository
+import org.springframework.stereotype.Repository
+
+@Repository
+interface RouletteRepository : CrudRepository<Roulette, Long>

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

@@ -0,0 +1,39 @@
+package kr.co.vividnext.sodalive.live.roulette
+
+import kr.co.vividnext.sodalive.common.SodaException
+import org.springframework.data.repository.findByIdOrNull
+import org.springframework.stereotype.Service
+
+@Service
+class RouletteService(private val repository: RouletteRepository) {
+    fun createOrUpdateRoulette(memberId: Long, request: CreateOrUpdateRouletteRequest) {
+        rouletteValidate(request)
+
+        val roulette = repository.findByIdOrNull(id = memberId) ?: Roulette(
+            creatorId = memberId,
+            can = request.can,
+            isActive = request.isActive,
+            items = request.items
+        )
+
+        repository.save(roulette)
+    }
+
+    private fun rouletteValidate(request: CreateOrUpdateRouletteRequest) {
+        if (request.can < 5) {
+            throw SodaException("룰렛 금액은 최소 5캔 입니다.")
+        }
+
+        if (request.items.size < 2 || request.items.size > 6) {
+            throw SodaException("룰렛 옵션은 최소 2개, 최대 6개까지 설정할 수 있습니다.")
+        }
+
+        val percentage = request.items.asSequence()
+            .map { it.percentage }
+            .reduce { acc, percentage -> acc + percentage }
+
+        if (percentage != 100) {
+            throw SodaException("옵션 확률의 합이 100%가 아닙니다.")
+        }
+    }
+}