feat(channel-donation): 채널 후원 기능 추가

src/main/kotlin/kr/co/vividnext/sodalive/can/CanService.kt

@@ -5,6 +5,7 @@ import kr.co.vividnext.sodalive.can.payment.PaymentGateway
 import kr.co.vividnext.sodalive.can.use.CanUsage
 import kr.co.vividnext.sodalive.common.CountryContext
 import kr.co.vividnext.sodalive.member.Member
+import kr.co.vividnext.sodalive.member.MemberRepository
 import org.springframework.data.domain.Pageable
 import org.springframework.stereotype.Service
 import java.time.ZoneId
@@ -13,7 +14,8 @@ import java.time.format.DateTimeFormatter
 @Service
 class CanService(
     private val repository: CanRepository,
-    private val countryContext: CountryContext
+    private val countryContext: CountryContext,
+    private val memberRepository: MemberRepository
 ) {
     fun getCans(isNotSelectedCurrency: Boolean): List<CanResponse> {
         val currency = if (isNotSelectedCurrency) {
@@ -40,7 +42,7 @@ class CanService(
         timezone: String,
         container: String
     ): List<GetCanUseStatusResponseItem> {
-        return repository.getCanUseStatus(member, pageable)
+        val useCanList = repository.getCanUseStatus(member, pageable)
             .filter { (it.can + it.rewardCan) > 0 }
             .filter {
                 when (container) {
@@ -66,6 +68,21 @@ class CanService(
                     }
                 }
             }
+
+        val channelDonationCreatorIds = useCanList
+            .asSequence()
+            .filter { it.canUsage == CanUsage.CHANNEL_DONATION }
+            .mapNotNull { it.useCanCalculates.firstOrNull()?.recipientCreatorId }
+            .distinct()
+            .toList()
+
+        val channelDonationCreatorNicknameMap = if (channelDonationCreatorIds.isEmpty()) {
+            emptyMap()
+        } else {
+            memberRepository.findAllById(channelDonationCreatorIds).associate { it.id!! to it.nickname }
+        }
+
+        return useCanList
             .map {
                 val title: String = when (it.canUsage) {
                     CanUsage.HEART, CanUsage.DONATION, CanUsage.SPIN_ROULETTE -> {
@@ -78,6 +95,17 @@ class CanService(
                         }
                     }
 
+                    CanUsage.CHANNEL_DONATION -> {
+                        val creatorId = it.useCanCalculates.firstOrNull()?.recipientCreatorId
+                        val creatorNickname = creatorId?.let { id -> channelDonationCreatorNicknameMap[id] }
+
+                        if (creatorNickname.isNullOrBlank()) {
+                            "[채널 후원]"
+                        } else {
+                            "[채널 후원] $creatorNickname"
+                        }
+                    }
+
                     CanUsage.LIVE -> {
                         "[라이브] ${it.room!!.title}"
                     }