src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCoupon.kt

@@ -9,7 +9,7 @@ data class CanCoupon(
     val couponName: String,
     val can: Int,
     val couponCount: Int,
-    val validity: LocalDateTime,
-    val isActive: Boolean,
-    val isMultipleUse: Boolean
+    var validity: LocalDateTime,
+    var isActive: Boolean,
+    var isMultipleUse: Boolean
 ) : BaseEntity()

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponController.kt

@@ -12,6 +12,7 @@ import org.springframework.security.access.prepost.PreAuthorize
 import org.springframework.security.core.annotation.AuthenticationPrincipal
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.PutMapping
 import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RequestParam
@@ -33,6 +34,17 @@ class CanCouponController(private val service: CanCouponService) {
         ApiResponse.ok(service.generateCoupon(request))
     }
 
+    @PutMapping
+    @PreAuthorize("hasRole('ADMIN')")
+    fun modifyCoupon(
+        @RequestBody request: ModifyCanCouponRequest,
+        @AuthenticationPrincipal(expression = "#this == 'anonymousUser' ? null : member") member: Member?
+    ) = run {
+        if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
+
+        ApiResponse.ok(service.modifyCoupon(request))
+    }
+
     @GetMapping
     @PreAuthorize("hasRole('ADMIN')")
     fun getCouponList(

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponIssueService.kt

@@ -2,6 +2,7 @@ package kr.co.vividnext.sodalive.can.coupon
 
 import kr.co.vividnext.sodalive.common.SodaException
 import org.springframework.stereotype.Service
+import java.time.LocalDateTime
 
 @Service
 class CanCouponIssueService(private val couponNumberRepository: CanCouponNumberRepository) {
@@ -14,6 +15,8 @@ class CanCouponIssueService(private val couponNumberRepository: CanCouponNumberR
                 throw SodaException("해당 쿠폰은 1회만 충전이 가능합니다.")
             }
         }
+
+        validateCoupon(canCouponNumber.canCoupon!!)
     }
 
     private fun checkCanCouponNumber(couponNumber: String): CanCouponNumber {
@@ -28,4 +31,20 @@ class CanCouponIssueService(private val couponNumberRepository: CanCouponNumberR
     }
 
     private fun isMultipleUse(canCouponNumber: CanCouponNumber) = canCouponNumber.canCoupon!!.isMultipleUse
+
+    private fun validateCoupon(canCoupon: CanCoupon) {
+        if (canCoupon.validity < LocalDateTime.now()) {
+            throw SodaException("유효기간이 경과된 쿠폰입니다.")
+        }
+
+        if (!canCoupon.isActive) {
+            throw SodaException("이용이 불가능한 쿠폰입니다.")
+        }
+    }
+
+    fun checkAnyChanges(request: ModifyCanCouponRequest) {
+        if (request.isMultipleUse == null && request.isActive == null && request.validity == null) {
+            throw SodaException("변경사항이 없습니다.")
+        }
+    }
 }

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponNumberRepository.kt

@@ -25,7 +25,10 @@ class CanCouponNumberQueryRepositoryImpl(private val queryFactory: JPAQueryFacto
         return queryFactory
             .select(canCouponNumber.id)
             .from(canCouponNumber)
-            .where(canCouponNumber.member.isNotNull)
+            .where(
+                canCouponNumber.member.isNotNull
+                    .and(canCouponNumber.id.eq(id))
+            )
             .fetch()
             .size
     }

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt

@@ -10,9 +10,12 @@ import org.apache.poi.xssf.usermodel.XSSFWorkbook
 import org.springframework.context.ApplicationEventPublisher
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
 import java.io.ByteArrayInputStream
 import java.io.ByteArrayOutputStream
 import java.io.IOException
+import java.time.LocalDateTime
+import java.time.ZoneId
 import java.time.format.DateTimeFormatter
 
 @Service
@@ -33,6 +36,36 @@ class CanCouponService(
         applicationEventPublisher.publishEvent(SqsEvent(type = SqsEventType.GENERATE_COUPON, message = message))
     }
 
+    @Transactional
+    fun modifyCoupon(request: ModifyCanCouponRequest) {
+        issueService.checkAnyChanges(request)
+
+        val canCoupon = repository.findByIdOrNull(id = request.couponId)
+            ?: throw SodaException("잘못된 쿠폰번호입니다.\n고객센터로 문의해 주시기 바랍니다.")
+
+        if (request.validity != null) {
+            val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
+            val validity = LocalDateTime.parse(request.validity, dateTimeFormatter)
+                .atZone(ZoneId.of("Asia/Seoul"))
+                .withZoneSameInstant(ZoneId.of("UTC"))
+                .toLocalDateTime()
+
+            if (validity <= canCoupon.validity) {
+                throw SodaException("유효기간은 기존 유효기간 이후 날짜로 설정하실 수 있습니다.")
+            }
+
+            canCoupon.validity = validity
+        }
+
+        if (request.isActive != null) {
+            canCoupon.isActive = request.isActive
+        }
+
+        if (request.isMultipleUse != null) {
+            canCoupon.isMultipleUse = request.isMultipleUse
+        }
+    }
+
     fun getCouponList(offset: Long, limit: Long): GetCouponListResponse {
         val totalCount = repository.getCouponTotalCount()
 

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/ModifyCanCouponRequest.kt

@@ -0,0 +1,8 @@
+package kr.co.vividnext.sodalive.can.coupon
+
+data class ModifyCanCouponRequest(
+    val couponId: Long,
+    val validity: String?,
+    val isMultipleUse: Boolean?,
+    val isActive: Boolean?
+)