♻️ 페이징당 데이터의 개수 상부로 분리

Author: soopeach

data/src/main/java/com/whyranoid/data/post/MyPostPagingDataSource.kt

@@ -40,7 +40,7 @@ class MyPostPagingDataSource @Inject constructor(
             // 현재 페이지
             val currentPage = params.key ?: db.collection(CollectionId.POST_COLLECTION)
                 .whereEqualTo(AUTHOR_ID, myUid)
-                .limit(10)
+                .limit(DATA_COUNT_PER_PAGE)
                 .get()
                 .await()
 
@@ -121,7 +121,7 @@ class MyPostPagingDataSource @Inject constructor(
             // 마지막 스냅샷 이후 페이지 불러오기
             val nextPage = db.collection(CollectionId.POST_COLLECTION)
                 .whereEqualTo(AUTHOR_ID, myUid)
-                .limit(10)
+                .limit(DATA_COUNT_PER_PAGE)
                 .startAfter(lastDocumentSnapshot)
                 .get()
                 .await()
@@ -139,4 +139,8 @@ class MyPostPagingDataSource @Inject constructor(
     fun setMyUid(myUid: String) {
         this.myUid = myUid
     }
+
+    companion object {
+        private const val DATA_COUNT_PER_PAGE = 10L
+    }
 }

data/src/main/java/com/whyranoid/data/post/PostPagingDataSource.kt

@@ -39,7 +39,7 @@ class PostPagingDataSource @Inject constructor(
             // 현재 페이지
             val currentPage = params.key ?: db.collection(POST_COLLECTION)
                 .orderBy(UPDATED_AT, Query.Direction.DESCENDING)
-                .limit(10)
+                .limit(DATA_COUNT_PER_PAGE)
                 .get()
                 .await()
 
@@ -120,7 +120,7 @@ class PostPagingDataSource @Inject constructor(
             // 마지막 스냅샷 이후 페이지 불러오기
             val nextPage = db.collection(POST_COLLECTION)
                 .orderBy(UPDATED_AT, Query.Direction.DESCENDING)
-                .limit(10).startAfter(lastDocumentSnapshot)
+                .limit(DATA_COUNT_PER_PAGE).startAfter(lastDocumentSnapshot)
                 .get()
                 .await()
 
@@ -133,4 +133,8 @@ class PostPagingDataSource @Inject constructor(
             LoadResult.Error(e)
         }
     }
+
+    companion object {
+        private const val DATA_COUNT_PER_PAGE = 10L
+    }
 }