소셜 로그인 이메일 미필수 정책 적용

소셜 로그인 시 이메일 동의 없이도 계정 생성이 가능하도록 변경합니다.
Member 엔티티의 email 필드를 선택 사항으로 변경하고, 관련 API 응답 및 인증 로직에서 이메일이 없는 경우에 대한 처리를 추가합니다.

src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt

@@ -346,7 +346,7 @@ class MemberService(
             userId = member.id!!,
             token = jwt,
             nickname = member.nickname,
-            email = member.email,
+            email = member.email ?: "",
             profileImage = if (member.profileImage != null) {
                 "$cloudFrontHost/${member.profileImage}"
             } else {
@@ -454,8 +454,16 @@ class MemberService(
     }
 
     override fun loadUserByUsername(username: String): UserDetails {
-        val member = repository.findByEmail(email = username)
-            ?: throw UsernameNotFoundException(username)
+        val member = if (username.startsWith("member:")) {
+            val id = username.substringAfter("member:").toLongOrNull()
+            if (id != null) {
+                repository.findByIdOrNull(id)
+            } else {
+                null
+            }
+        } else {
+            repository.findByEmail(email = username)
+        } ?: throw UsernameNotFoundException(username)
 
         return MemberAdapter(member)
     }
@@ -592,7 +600,7 @@ class MemberService(
 
     @Transactional
     fun signOut(signOutRequest: SignOutRequest, user: User) {
-        val member = repository.findByEmail(user.username)
+        val member = findMemberByUsername(user.username)
             ?: throw SodaException(messageKey = "common.error.bad_credentials")
         if (
             member.provider == MemberProvider.EMAIL &&
@@ -620,11 +628,7 @@ class MemberService(
 
     @Transactional
     fun updateNickname(profileUpdateRequest: ProfileUpdateRequest, user: User) {
-        if (profileUpdateRequest.email != user.username) {
-            throw SodaException(messageKey = "common.error.bad_credentials")
-        }
-
-        val member = repository.findByEmail(user.username)
+        val member = findMemberByUsername(user.username)
             ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         if (profileUpdateRequest.nickname != null) {
@@ -652,11 +656,7 @@ class MemberService(
 
     @Transactional
     fun profileUpdate(profileUpdateRequest: ProfileUpdateRequest, user: User): ProfileResponse {
-        if (profileUpdateRequest.email != user.username) {
-            throw SodaException(messageKey = "common.error.bad_credentials")
-        }
-
-        val member = repository.findByEmail(user.username)
+        val member = findMemberByUsername(user.username)
             ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         if (profileUpdateRequest.modifyPassword != null) {
@@ -729,7 +729,7 @@ class MemberService(
 
     @Transactional
     fun profileImageUpdate(multipartFile: MultipartFile, user: User): String {
-        val member = repository.findByEmail(user.username)
+        val member = findMemberByUsername(user.username)
             ?: throw SodaException(messageKey = "common.error.bad_credentials")
 
         val metadata = ObjectMetadata()
@@ -932,7 +932,24 @@ class MemberService(
         return MemberResolveResult(member = member, isNew = true)
     }
 
-    private fun checkEmail(email: String) {
+    private fun findMemberByUsername(username: String): Member? {
+        return if (username.startsWith("member:")) {
+            val id = username.substringAfter("member:").toLongOrNull()
+            if (id != null) {
+                repository.findByIdOrNull(id)
+            } else {
+                null
+            }
+        } else {
+            repository.findByEmail(email = username)
+        }
+    }
+
+    private fun checkEmail(email: String?) {
+        if (email.isNullOrBlank()) {
+            return
+        }
+
         val member = repository.findByEmail(email)
 
         if (member != null) {