UMC-EWHA#31 Feat : post GET paging

dawoon08 · Nov 21, 2022 · 9df012d · 9df012d
1 parent 1900cc8
commit 9df012d
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Showing 6 changed files with 39 additions and 13 deletions.
diff --git a/SpringBootTemplate/src/main/java/com/example/demo/src/board/BoardController.java b/SpringBootTemplate/src/main/java/com/example/demo/src/board/BoardController.java
@@ -4,6 +4,7 @@
 import com.example.demo.config.BaseResponse;
 import com.example.demo.src.board.model.*;
 import com.example.demo.utils.JwtService;
+import com.example.demo.utils.Pagination;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -57,10 +58,14 @@ public BaseResponse<PostBoardRes> uploadBoard(@RequestBody PostBoardReq postBoar
      */
     @ResponseBody
     @GetMapping("")
-    public BaseResponse<List<GetPostRes>> getPosts(@RequestParam(required = false) String writer){
+    public BaseResponse<List<GetPostRes>> getPosts(@RequestParam(required = false) String writer,
+                                                   @RequestParam(required = false) int page){
         try{
+            Pagination pagination = new Pagination();
+            pagination.setPage(page);
+
             if(writer == null){
-                List<GetPostRes> getPostsRes = boardProvider.getPosts();
+                List<GetPostRes> getPostsRes = boardProvider.getPosts(pagination);
                 return new BaseResponse<>(getPostsRes);
             }
             List<GetPostRes> getPostRes = boardProvider.getPostByWriter(writer);

diff --git a/SpringBootTemplate/src/main/java/com/example/demo/src/board/BoardDao.java b/SpringBootTemplate/src/main/java/com/example/demo/src/board/BoardDao.java
@@ -3,6 +3,7 @@
 import com.example.demo.src.board.model.GetPostRes;
 import com.example.demo.src.board.model.PatchPostReq;
 import com.example.demo.src.board.model.PostBoardReq;
+import com.example.demo.utils.Pagination;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.stereotype.Repository;
@@ -28,15 +29,16 @@ public int uploadBoard(PostBoardReq postBoardReq) {
         return this.jdbcTemplate.queryForObject(lastInsertIdQuery, int.class); // 해당 쿼리문의 결과 마지막으로 삽인된 유저의 userIdx번호를 반환한다.
     }
 
-    public List<GetPostRes> getPosts() {
-        String getPostsQuery = "select * from Posts";
+    public List<GetPostRes> getPosts(Pagination pagination) {
+        String getPostsQuery = "select * from Posts limit ? offset ?";
+        Object[] getPostsParams = new Object[]{pagination.getLimit(), pagination.getOffSet()};
         return this.jdbcTemplate.query(getPostsQuery,
                 (rs, rowNum) -> new GetPostRes(
                         rs.getInt("postIdx"),
                         rs.getString("title"),
                         rs.getString("writer"),
-                        rs.getString("content")
-                ));
+                        rs.getString("content")),
+                getPostsParams);
     }
 
     public List<GetPostRes> getPostsByWriter(String writer) {

diff --git a/SpringBootTemplate/src/main/java/com/example/demo/src/board/BoardProvider.java b/SpringBootTemplate/src/main/java/com/example/demo/src/board/BoardProvider.java
@@ -2,8 +2,8 @@
 
 import com.example.demo.config.BaseException;
 import com.example.demo.src.board.model.GetPostRes;
-import com.example.demo.src.user.model.GetUserRes;
 import com.example.demo.utils.JwtService;
+import com.example.demo.utils.Pagination;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -26,9 +26,9 @@ public BoardProvider(BoardDao boardDao, JwtService jwtService) {
         this.jwtService = jwtService;
     }
 
-    public List<GetPostRes> getPosts() throws BaseException {
+    public List<GetPostRes> getPosts(Pagination pagination) throws BaseException {
         try {
-            List<GetPostRes> getPostRes = boardDao.getPosts();
+            List<GetPostRes> getPostRes = boardDao.getPosts(pagination);
             return getPostRes;
         } catch (Exception exception) {
             throw new BaseException(DATABASE_ERROR);
@@ -37,6 +37,7 @@ public List<GetPostRes> getPosts() throws BaseException {
 
     public List<GetPostRes> getPostByWriter(String writer) throws BaseException {
         try {
+
             List<GetPostRes> getPostRes = boardDao.getPostsByWriter(writer);
             return getPostRes;
         } catch (Exception exception) {

diff --git a/SpringBootTemplate/src/main/java/com/example/demo/src/user/model/PostUserReq.java b/SpringBootTemplate/src/main/java/com/example/demo/src/user/model/PostUserReq.java
@@ -10,5 +10,4 @@ public class PostUserReq {
     private String email;
     private String password;
     private String nickname;
-    private String point;
 }
diff --git a/SpringBootTemplate/src/main/java/com/example/demo/src/user/model/PostUserRes.java b/SpringBootTemplate/src/main/java/com/example/demo/src/user/model/PostUserRes.java
@@ -13,9 +13,9 @@
  */
 public class PostUserRes {
     private int userIdx;
-
+    //    해당 부분은 7주차 - JWT 수업 후 주석해제 및 대체해주세요!
+    private String jwt;
    public PostUserRes(String jwt, int userIdx) {
     }
-//    해당 부분은 7주차 - JWT 수업 후 주석해제 및 대체해주세요!
-    private String jwt;
+
 }
diff --git a/SpringBootTemplate/src/main/java/com/example/demo/utils/Pagination.java b/SpringBootTemplate/src/main/java/com/example/demo/utils/Pagination.java
@@ -0,0 +1,19 @@
+package com.example.demo.utils;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+public class Pagination {
+    private int page; // 페이지 번호
+    private int limit = 3; //페이지당 출력할 데이터 개수
+
+    public int getOffSet() {
+        return (page - 1) * limit;
+    }
+}