From c54e6c8f41609501875d9ff4ddda68922c9acc6e Mon Sep 17 00:00:00 2001
From: JIUNG GU <60885635+JIUNG9@users.noreply.github.com>
Date: Thu, 18 Jan 2024 12:38:25 +0900
Subject: [PATCH] fix: fix the sizing

---
 .../GetStoreManagerApplicationService.java    | 19 +++++++++++++++++--
 .../store/service/FindStoreMangerService.java |  1 +
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/bit/lotte/flower/user/admin/service/GetStoreManagerApplicationService.java b/src/main/java/com/bit/lotte/flower/user/admin/service/GetStoreManagerApplicationService.java
index e88a9c8..604dec8 100644
--- a/src/main/java/com/bit/lotte/flower/user/admin/service/GetStoreManagerApplicationService.java
+++ b/src/main/java/com/bit/lotte/flower/user/admin/service/GetStoreManagerApplicationService.java
@@ -4,11 +4,14 @@
 import com.bit.lotte.flower.user.admin.dto.StoreManagerApplicationData;
 import com.bit.lotte.flower.user.admin.dto.response.StoreManagerApplicationFormResponse;
 import com.bit.lotte.flower.user.store.entity.StoreManager;
+import com.bit.lotte.flower.user.store.repository.StoreManagerJpaRepository;
 import com.bit.lotte.flower.user.store.service.FindStoreMangerService;
 import java.util.ArrayList;
 import java.util.List;
 import javax.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Component;
 
@@ -18,6 +21,7 @@ public class GetStoreManagerApplicationService {
 
   private final FindStoreMangerService findStoreMangerService;
 
+
   @Transactional
   public StoreManagerApplicationFormResponse getApplications(List<Long> storeManagerIdList,
       Pageable pageable) {
@@ -27,10 +31,21 @@ public StoreManagerApplicationFormResponse getApplications(List<Long> storeManag
     for (Long id : storeManagerIdList) {
       storeManagerListByStatus.add(findStoreMangerService.findByLongId(id));
     }
-        List < StoreManagerApplicationData > data = mapToData(storeManagerListByStatus);
+    List<StoreManagerApplicationData> data = mapToData(storeManagerListByStatus);
+    Page<StoreManagerApplicationData> dataByPage = getPageOfData(data, pageable);
+    return StoreManagerApplicationFormResponse.builder()
+        .data(dataByPage.getContent()).totalCnt(data.size()).build();
+  }
 
-    return StoreManagerApplicationFormResponse.builder().data(data).totalCnt(data.size()).build();
+  private Page<StoreManagerApplicationData> getPageOfData(List<StoreManagerApplicationData> data,
+      Pageable pageable) {
+    int pageSize = pageable.getPageSize();
+    int pageNumber = pageable.getPageNumber();
+    int fromIndex = pageNumber * pageSize;
+    int toIndex = Math.min(fromIndex + pageSize, data.size());
 
+    List<StoreManagerApplicationData> pageData = data.subList(fromIndex, toIndex);
+    return new PageImpl<>(pageData, pageable, data.size());
   }
 
   public List<StoreManagerApplicationData> mapToData(List<StoreManager> managerList) {
diff --git a/src/main/java/com/bit/lotte/flower/user/store/service/FindStoreMangerService.java b/src/main/java/com/bit/lotte/flower/user/store/service/FindStoreMangerService.java
index dcd35b2..1b3dd29 100644
--- a/src/main/java/com/bit/lotte/flower/user/store/service/FindStoreMangerService.java
+++ b/src/main/java/com/bit/lotte/flower/user/store/service/FindStoreMangerService.java
@@ -13,6 +13,7 @@ public class FindStoreMangerService {
 
   private final StoreManagerJpaRepository repository;
 
+
   public StoreManager findByLongId(Long id) {
     return repository.findById(id).orElseThrow(() -> {
       throw new StoreUserDomainException("존재하지 않는 스토어 매니저입니다.");