From b995a0b151b8668ba7ed6e084fc96767a97785b4 Mon Sep 17 00:00:00 2001
From: klaus <klaus@vividnext.co.kr>
Date: Wed, 20 Aug 2025 02:48:01 +0900
Subject: [PATCH] =?UTF-8?q?feat(character-comment):=20=EB=8B=B5=EA=B8=80?=
 =?UTF-8?q?=20=EB=A6=AC=EC=8A=A4=ED=8A=B8=20API=20=EC=97=B0=EB=8F=99=20?=
 =?UTF-8?q?=EB=B0=8F=20=EC=BB=A4=EC=84=9C=20=EA=B8=B0=EB=B0=98=20=EB=AC=B4?=
 =?UTF-8?q?=ED=95=9C=20=EC=8A=A4=ED=81=AC=EB=A1=A4=20=EC=A0=81=EC=9A=A9?=
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- CharacterCommentReplyFragment에 listReplies API 연동
- 초기 1회 로드 허용, 이후 cursor != null일 때만 추가 로드
- isLoading 플래그로 중복 요청 방지
- 어댑터 헤더(원본 댓글) 유지, replies만 순차 추가
---
 .../comment/CharacterCommentReplyFragment.kt  | 77 +++++++++++++------
 1 file changed, 54 insertions(+), 23 deletions(-)

diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReplyFragment.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReplyFragment.kt
index 3e7813e3..85ab2464 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReplyFragment.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReplyFragment.kt
@@ -18,13 +18,15 @@ import kr.co.vividnext.sodalive.common.LoadingDialog
 import kr.co.vividnext.sodalive.common.SharedPreferenceManager
 import kr.co.vividnext.sodalive.databinding.FragmentCharacterCommentReplyBinding
 import kr.co.vividnext.sodalive.extensions.dpToPx
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
+import io.reactivex.rxjava3.schedulers.Schedulers
+import org.koin.android.ext.android.inject
 
 /**
- * 캐릭터 댓글 답글 페이지 (Stub)
+ * 캐릭터 댓글 답글 페이지
  * - 상단: 뒤로가기(텍스트 + ic_back), 닫기(X)
  * - 입력 폼, divider, 원본 댓글, 답글 목록(들여쓰기)
- * - 스크롤 하단 도달 시 더미 데이터 추가 로드
- * - API 연동은 추후 (현재 스텁)
+ * - 스크롤 하단 도달 시 무한 스크롤 로드 (초기 1회 호출 이후 cursor != null 일 때만 추가 로드)
  */
 class CharacterCommentReplyFragment : BaseFragment<FragmentCharacterCommentReplyBinding>(
     FragmentCharacterCommentReplyBinding::inflate
@@ -33,11 +35,13 @@ class CharacterCommentReplyFragment : BaseFragment<FragmentCharacterCommentReply
     private lateinit var imm: InputMethodManager
     private lateinit var loadingDialog: LoadingDialog
     private lateinit var adapter: CharacterCommentReplyAdapter
+    private val repository: CharacterCommentRepository by inject()
 
     private var original: CharacterCommentResponse? = null
     private var characterId: Long = 0
 
-    private var page: Int = 1
+    private var cursor: Long? = null
+    private var isLoading: Boolean = false
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -149,7 +153,9 @@ class CharacterCommentReplyFragment : BaseFragment<FragmentCharacterCommentReply
                 val lm = recyclerView.layoutManager as LinearLayoutManager
                 val last = lm.findLastCompletelyVisibleItemPosition()
                 val total = (recyclerView.adapter?.itemCount ?: 1) - 1
-                if (!recyclerView.canScrollVertically(1) && last == total) {
+                val onlyHeader = adapter.items.size <= 1
+                val canLoadMore = onlyHeader || cursor != null
+                if (canLoadMore && !recyclerView.canScrollVertically(1) && last == total) {
                     loadMore()
                 }
             }
@@ -161,26 +167,51 @@ class CharacterCommentReplyFragment : BaseFragment<FragmentCharacterCommentReply
         imm.hideSoftInputFromWindow(view?.windowToken, 0)
     }
 
-    // 스텁 페이징: 더미 데이터 생성
     private fun loadMore() {
-        // 원본 댓글이 있어야 함
         val originalId = original?.commentId ?: return
-        val newItems = (1..10).map { idx ->
-            val id = page * 10_000L + idx
-            val writerId = if (idx % 5 == 0) SharedPreferenceManager.userId else -idx.toLong()
-            CharacterReplyResponse(
-                replyId = id,
-                memberId = writerId,
-                memberProfileImage = "",
-                memberNickname = "게스트$id",
-                createdAt = System.currentTimeMillis() - (idx * 60_000L * page),
-                comment = "캐릭터 답글 예시 텍스트 $originalId-$id"
-            )
-        }
-        val start = adapter.items.size
-        adapter.items.addAll(newItems)
-        adapter.notifyItemRangeInserted(start, newItems.size)
-        page++
+        if (isLoading) return
+        // 초기 로드(헤더만 있는 상태)는 허용. 그 외에는 cursor가 null이면 더 이상 조회하지 않음
+        val onlyHeader = adapter.items.size <= 1
+        if (!onlyHeader && cursor == null) return
+
+        val token = "Bearer ${SharedPreferenceManager.token}"
+        isLoading = true
+        val d = repository.listReplies(
+            characterId = characterId,
+            commentId = originalId,
+            limit = 20,
+            cursor = cursor,
+            token = token
+        )
+            .subscribeOn(Schedulers.io())
+            .observeOn(AndroidSchedulers.mainThread())
+            .doFinally { isLoading = false }
+            .subscribe({ resp ->
+                if (resp.success) {
+                    val data = resp.data
+                    // 서버에서 original 포함되지만, 이미 헤더에 추가되어 있으므로 replies만 사용
+                    val replies = data?.replies ?: emptyList()
+                    if (replies.isNotEmpty()) {
+                        val start = adapter.items.size
+                        adapter.items.addAll(replies)
+                        adapter.notifyItemRangeInserted(start, replies.size)
+                    }
+                    cursor = data?.cursor
+                } else {
+                    Toast.makeText(
+                        requireContext(),
+                        resp.message ?: "요청 중 오류가 발생했습니다",
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
+            }, { e ->
+                Toast.makeText(
+                    requireContext(),
+                    e.message ?: "요청 중 오류가 발생했습니다",
+                    Toast.LENGTH_SHORT
+                ).show()
+            })
+        compositeDisposable.add(d)
     }
 
     companion object {