[feat]Post

src/main/java/com/TwinStar/TwinStar/post/controller/PostController.java

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+package com.TwinStar.TwinStar.post.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping("/twinstar/post")
+public class PostController {
+
+    @GetMapping("/")
+    public String index() {
+        return "post_index";
+    }
+
+    @GetMapping("/create")
+    public String create() {
+        return "post_create";
+    }
+
+    @GetMapping("/post")
+    public String post() {
+        return "post_list";
+    }
+
+    @GetMapping("/post/{id}")
+    public String postDetail(@PathVariable Long id) {
+        return "post_detail";
+    }
+}

src/main/java/com/TwinStar/TwinStar/post/domain/Post.java

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+package com.TwinStar.TwinStar.post.domain;
+
+import jakarta.persistence.*;
+import jakarta.transaction.Transactional;
+import lombok.*;
+
+import java.time.LocalDateTime;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Builder
+@ToString
+@Entity
+@Transactional
+public class Post extends BaseTimeEntity{
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(length = 50, nullable = false)
+    private String title;
+
+    @Column(length = 3000)
+    private String contents;
+
+    private String appointment;
+
+    private LocalDateTime appointmentTime;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    public PostListRes postListFromEntity(){
+        return PostListRes.builder()
+                .id(this.id)
+                .title(this.title)
+                .userNickname(this.user.getNickname())
+                .build();
+    }
+
+    public PostDetailRes detailFromEntity(){
+        return PostDetailRes.builder()
+                .id(this.id)
+                .title(this.title)
+                .contents(this.contents)
+                .userNickname(this.user.getNickname())
+                .createdTime(this.getCreatedTime())
+                .updatedTime(this.getUpdatedTime())
+                .build();
+    }
+}

src/main/java/com/TwinStar/TwinStar/post/dtos/PostCreateReq.java

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+package com.TwinStar.TwinStar.post.dtos;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+public class PostCreateReq {
+
+    public Post toEntity(USER user, LocalDateTime appointmentTime){
+        return Post.builder()
+                .title(this.title)
+                .user(this.user)
+                .contents(this.contents)
+                .appointment(this.appointment)
+                .appointmentTime(this.appointmentTime)
+                .build();
+    }
+
+}

src/main/java/com/TwinStar/TwinStar/post/repository/PostRepository.java

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+package com.TwinStar.TwinStar.post.repository;
+
+public class PostRepository {
+}

src/main/java/com/TwinStar/TwinStar/post/service/PostService.java

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+package com.TwinStar.TwinStar.post.service;
+
+import com.TwinStar.TwinStar.post.dtos.PostCreateReq;
+import com.TwinStar.TwinStar.post.repository.PostRepository;
+import jakarta.persistence.EntityNotFoundException;
+import jakarta.transaction.Transactional;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+
+@Service
+@Transactional
+public class PostService {
+    private final PostRepository postRepository;
+    private final userRepository userRepository;
+
+    public PostService(PostRepository postRepository, userRepository userRepository) {
+        this.postRepository = postRepository;
+        this.userRepository = userRepository;
+    }
+
+    public void save(PostCreateReq postCreateReq, UserRepository userRepository){
+        String Nickname = SecurityContextHolder.getContext().getAuthentication().getName();
+        User user = userRepository.findByNickname(nickname).orElseThrow(()->new EntityNotFoundException("존재하지 않는 유저 입니다."));
+        LocalDateTime appointmentTime = null;
+    }
+}