익명 편지 전송 시 발신자 이름 지원 추가

- `AnonymousSendLetterRequest` 및 `AnonymousCommand`에 `senderName` 필드 추가.
- 발신자 이름이 없는 경우 기본값 "Anonymous"를 사용하도록 `LetterCommandService` 수정.
- `SendLetter` 엔터티와 관련 매퍼 및 JPA 엔터티, DB 테이블에 `senderName` 필드 추가.
- `V1_21__add_sender_name_to_send_letter.sql` 마이그레이션 파일 작성.

Author: tlarbals824

.gitignore

@@ -38,3 +38,6 @@ out/
 
 ### Kotlin ###
 .kotlin
+
+### claude ###
+CLAUDE.md

Application-Module/src/main/kotlin/com/asap/application/letter/port/in/SendLetterUsecase.kt

@@ -15,6 +15,7 @@ interface SendLetterUsecase {
     )
 
     data class AnonymousCommand(
+        val senderName: String? = null,
         val receiverName: String,
         val content: String,
         val images: List<String>,

Application-Module/src/main/kotlin/com/asap/application/letter/service/LetterCommandService.kt

@@ -70,6 +70,7 @@ class LetterCommandService(
                     letterCodeGenerator.generateCode(
                         content = command.content,
                     ),
+                senderName = command.senderName ?: ANONYMOUS_SENDER_NAME,
             )
 
         sendLetterManagementPort.save(sendLetter)
@@ -111,9 +112,10 @@ class LetterCommandService(
                     SenderInfo(
                         senderId = sendLetter.senderId,
                         senderName =
-                            sendLetter.senderId
-                                ?.let { userManagementPort.getUserNotNull(it).username }
-                                .orEmpty(),
+                            sendLetter.senderName
+                                ?: sendLetter.senderId
+                                    ?.let { userManagementPort.getUserNotNull(it).username }
+                                    .orEmpty(),
                     ),
                 receiver =
                     ReceiverInfo(
@@ -273,4 +275,8 @@ class LetterCommandService(
         )
         spaceLetterManagementPort.save(spaceLetter)
     }
+
+    companion object {
+        private const val ANONYMOUS_SENDER_NAME = "Anonymous"
+    }
 }

Bootstrap-Module/src/main/kotlin/com/asap/bootstrap/web/letter/controller/LetterController.kt

@@ -270,6 +270,7 @@ class LetterController(
         val response =
             sendLetterUsecase.sendAnonymous(
                 SendLetterUsecase.AnonymousCommand(
+                    senderName = request.senderName,
                     receiverName = request.receiverName,
                     content = request.content,
                     images = request.images,

Bootstrap-Module/src/main/kotlin/com/asap/bootstrap/web/letter/dto/AnonymousSendLetterRequest.kt

@@ -1,6 +1,7 @@
 package com.asap.bootstrap.web.letter.dto
 
 data class AnonymousSendLetterRequest(
+    val senderName: String? = null,
     val receiverName: String,
     val content: String,
     val images: List<String>,

Domain-Module/src/main/kotlin/com/asap/domain/letter/entity/SendLetter.kt

@@ -13,6 +13,7 @@ class SendLetter(
     id: DomainId,
     val content: LetterContent,
     var senderId: DomainId?,
+    var senderName: String?,
     var receiverName: String,
     var letterCode: String?,
     var status: LetterStatus,
@@ -37,6 +38,7 @@ class SendLetter(
             id = DomainId.generate(),
             content = content,
             senderId = senderId,
+            senderName = null,
             receiverName = receiverName,
             letterCode = letterCode,
             status = status,
@@ -51,6 +53,7 @@ class SendLetter(
             content: LetterContent,
             receiverName: String,
             letterCode: String?,
+            senderName: String,
             status: LetterStatus = LetterStatus.SENDING,
             receiverId: DomainId? = null,
             createdAt: LocalDateTime = LocalDateTime.now(),
@@ -60,6 +63,7 @@ class SendLetter(
                 id = DomainId.generate(),
                 content = content,
                 senderId = null,
+                senderName = senderName,
                 receiverName = receiverName,
                 letterCode = letterCode,
                 status = status,

Infrastructure-Module/Persistence/src/main/kotlin/com/asap/persistence/jpa/letter/SendLetterMapper.kt

@@ -18,6 +18,7 @@ object SendLetterMapper {
             receiverName = sendLetterEntity.receiverName,
             letterCode = sendLetterEntity.letterCode ?: "",
             senderId = sendLetterEntity.senderId?.let { DomainId(it) },
+            senderName = sendLetterEntity.senderName,
             receiverId = sendLetterEntity.receiverId?.let { DomainId(it) },
             status = sendLetterEntity.letterStatus,
             createdAt = sendLetterEntity.createdAt,
@@ -32,6 +33,7 @@ object SendLetterMapper {
             templateType = sendLetter.content.templateType,
             receiverName = sendLetter.receiverName,
             senderId = sendLetter.senderId?.value,
+            senderName = sendLetter.senderName,
             letterCode = sendLetter.letterCode,
             receiverId = sendLetter.receiverId?.value,
             letterStatus = sendLetter.status,

Infrastructure-Module/Persistence/src/main/kotlin/com/asap/persistence/jpa/letter/entity/SendLetterEntity.kt

@@ -27,6 +27,7 @@ class SendLetterEntity(
     images: List<String>,
     templateType: Int,
     senderId: String?,
+    senderName: String?,
     letterCode: String?,
     receiverId: String?,
     letterStatus: LetterStatus,
@@ -52,6 +53,9 @@ class SendLetterEntity(
     @Column(name = "sender_id")
     var senderId: String? = senderId
 
+    @Column(name = "sender_name")
+    var senderName: String? = senderName
+
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(
         name = "sender_id",

Infrastructure-Module/Persistence/src/main/resources/db/V1_21__add_sender_name_to_send_letter.sql

@@ -0,0 +1 @@
+ALTER TABLE send_letter ADD COLUMN sender_name VARCHAR(255) NULL;