Merge pull request #30 from LimdaeIl/feature/#27-ch15

15강. 유저 업데이트 API, 삭제 API 예외 처리 하기
LimdaeIl · Feb 21, 2024 · d9ab4d5 · d9ab4d5
2 parents 14e4b47 + 0193cf9
commit d9ab4d5
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/library-app/src/main/java/com/group/libarayapp/controller/user/UserController.java b/library-app/src/main/java/com/group/libarayapp/controller/user/UserController.java
@@ -45,12 +45,23 @@ public UserResponse mapRow(ResultSet rs, int rowNum) throws SQLException {
 
     @PutMapping("/user")
     public void updateUser(@RequestBody UserUpdateRequest request) {
+        String readSql = "select * from user where id=?";
+        boolean isUserNotExist = jdbcTemplate.query(readSql, (rs, rowNum) -> 0, request.getId()).isEmpty();
+        if (isUserNotExist) {
+            throw new IllegalArgumentException();
+        }
+
         String sql = "update user set name = ? where id = ?";
         jdbcTemplate.update(sql, request.getName(), request.getId());
     }
 
     @DeleteMapping("/user")
     public void deleteUser(@RequestParam String name) {
+        String readSql = "select * from user where name=?";
+        boolean isUserNotExist = jdbcTemplate.query(readSql, (rs, rowNum) -> 0, name).isEmpty();
+        if (isUserNotExist) {
+            throw new IllegalArgumentException();
+        }
         String sql = "delete from user where name = ?";
         jdbcTemplate.update(sql, name);
     }