rq도입

src/main/java/com/ll/gramgram/base/rq/Rq.java

@@ -0,0 +1,61 @@
+package com.ll.gramgram.base.rq;
+
+import com.ll.gramgram.boundedContext.member.entity.Member;
+import com.ll.gramgram.boundedContext.member.service.MemberService;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.stereotype.Component;
+import org.springframework.web.context.annotation.RequestScope;
+
+@Component
+@RequestScope
+public class Rq {
+    private final MemberService memberService;
+    private final HttpServletRequest req;
+    private final HttpServletResponse resp;
+    private final HttpSession session;
+    private final User user;
+    private Member member = null; // 레이지 로딩, 처음부터 넣지 않고, 요청이 들어올 때 넣는다.
+
+    public Rq(MemberService memberService, HttpServletRequest req, HttpServletResponse resp, HttpSession session) {
+        this.memberService = memberService;
+        this.req = req;
+        this.resp = resp;
+        this.session = session;
+
+        // 현재 로그인한 회원의 인증정보를 가져옴
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+
+        if (authentication.getPrincipal() instanceof User) {
+            this.user = (User) authentication.getPrincipal();
+        } else {
+            this.user = null;
+        }
+    }
+
+    // 로그인 되어 있는지 체크
+    public boolean isLogin() {
+        return user != null;
+    }
+
+    // 로그아웃 되어 있는지 체크
+    public boolean isLogout() {
+        return !isLogin();
+    }
+
+    // 로그인 된 회원의 객체
+    public Member getMember() {
+        if ( isLogout() ) return null;
+
+        // 데이터가 없는지 체크
+        if ( member == null ) {
+            member = memberService.findByUsername(user.getUsername()).orElseThrow();
+        }
+
+        return member;
+    }
+}

src/main/java/com/ll/gramgram/boundedContext/home/controller/HomeController.java

@@ -20,10 +20,7 @@ public class HomeController {
 
     @GetMapping("/")
     public String showMain(Model model, Principal principal){
-        if (principal != null) {
-            Member loginedMember = memberService.findByUsername(principal.getName()).orElseThrow();
-            model.addAttribute("loginedMember", loginedMember);
-        }
+
         return "usr/home/main";
     }
 

src/main/java/com/ll/gramgram/boundedContext/member/controller/MemberController.java

@@ -58,8 +58,6 @@ public String showLogin() {
     @PreAuthorize("isAuthenticated()")
     @GetMapping("/me")
     public String showMe(Principal principal, Model model) {
-        Member loginedMember = memberService.findByUsername(principal.getName()).orElseThrow();
-        model.addAttribute("loginedMember", loginedMember);
 
         return "usr/member/me";
     }

src/main/resources/templates/usr/layout/layout.html

@@ -69,10 +69,10 @@
   <a href="javascript:;" sec:authorize="isAuthenticated()" onclick="$(this).next().submit();" class="btn btn-link">로그아웃</a>
   <form th:action="|/member/logout|" method="POST"></form>
 
-  <form sec:authorize="isAuthenticated()" hidden th:action="|/member/logout|" method="POST"></form>
+  <form sec:authorize="isAuthenticate d()" hidden th:action="|/member/logout|" method="POST"></form>
   <span sec:authorize="isAuthenticated()" th:text="|${#authentication.principal.username}님 환영합니다.|"></span>
-  <span sec:authorize="isAuthenticated()">당신의 회원번호는 [[${loginedMember.id}]]번입니다.</span>
-  <span sec:authorize="isAuthenticated()">당신은 [[${loginedMember.createDate}]]에 가입하셨습니다.</span>
+  <span sec:authorize="isAuthenticated()">당신의 회원번호는 [[${@rq.member.id}]]번입니다.</span>
+  <span sec:authorize="isAuthenticated()">당신은 [[${@rq.member.createDate}]]에 가입하셨습니다.</span>
 </header>
 <main layout:fragment="main"></main>