Mdofiy 관리자페이지 게시글내역 히스토리 볼수 있도록 수정, securityConfig 순환참조 오류 수정

src/main/java/com/example/springsecuritystudy/post/AdminController.java

@@ -0,0 +1,29 @@
+package com.example.springsecuritystudy.post;
+
+import java.util.List;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import com.example.springsecuritystudy.user.User;
+
+import lombok.RequiredArgsConstructor;
+
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/admin")
+public class AdminController {
+
+	private final PostService postService;
+
+	@GetMapping
+	public String getPostForAdmin(Authentication authentication, Model model) {
+		User user = (User) authentication.getPrincipal();
+		List<Post> posts = postService.findByUser(user);
+		model.addAttribute("posts", posts);
+		return "admin/index";
+	}
+}