Done createPost

BE/src/main/java/org/example/controllers/PostController.java

@@ -1,6 +1,7 @@
 package org.example.controllers;
 
 //import org.example.models.Author;
+import org.example.models.Image;
 import org.example.models.Post;
 import org.example.models.User;
 import org.example.repositories.PostRepository;
@@ -30,6 +31,7 @@ public class PostController {
         return postService.getAllPost();
     }
 
+
     @PostMapping
     public Post createPost(
 

BE/src/main/java/org/example/models/Image.java

@@ -7,10 +7,20 @@ import org.springframework.data.neo4j.core.schema.Node;
 @Node
 public class Image {
     @Id
+    @GeneratedValue
     private Long id;
     private String filename;
     private String contentType;
 
+    public Image() {
+    }
+
+    public Image(Long id, String filename, String contentType) {
+        this.id = id;
+        this.filename = filename;
+        this.contentType = contentType;
+    }
+
     public Long getId() {
         return id;
     }

BE/src/main/java/org/example/models/Post.java

@@ -2,6 +2,8 @@ package org.example.models;
 
 
 import lombok.Getter;
+import org.example.repositories.PostRepository;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.neo4j.core.schema.GeneratedValue;
 import org.springframework.data.neo4j.core.schema.Id;
 import org.springframework.data.neo4j.core.schema.Node;
@@ -14,15 +16,33 @@ import java.util.UUID;
 @Getter
 @Node
 public class Post {
+
     @Id
     @GeneratedValue
     private Long id;
     private String title;
     private String content;
+    private String author;
+    private String imgUrl;
 
+    public String getImgUrl() {
+        return imgUrl;
+    }
+
+    public void setImgUrl(String imgUrl) {
+        this.imgUrl = imgUrl;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
 
     @Relationship(type = "HAS_IMAGE", direction = Relationship.Direction.OUTGOING)
-    private List<Image> images = new ArrayList<>();
+    private Image images = new Image();
 
     @Relationship(type = "HAS_VIDEO", direction = Relationship.Direction.OUTGOING)
     private List<Video> videos = new ArrayList<>();
@@ -51,11 +71,11 @@ public class Post {
         this.content = content;
     }
 
-    public List<Image> getImages() {
+    public Image getImages() {
         return images;
     }
 
-    public void setImages(List<Image> images) {
+    public void setImages(Image images) {
         this.images = images;
     }
 
@@ -77,5 +97,6 @@ public class Post {
     public void setCreator(User creator) {
         this.creator = creator;
     }
+
 }
 

BE/src/main/java/org/example/repositories/PostRepository.java

@@ -1,6 +1,7 @@
 package org.example.repositories;
 
 import org.example.controllers.UserController;
+import org.example.models.Image;
 import org.example.models.Post;
 import org.example.queryresults.PostQueryResult;
 import org.springframework.data.neo4j.repository.Neo4jRepository;
@@ -13,8 +14,17 @@ import java.util.UUID;
 
 @Repository
 public interface PostRepository extends Neo4jRepository<Post,Long> {
-        @Query("MATCH (post:Post) return post")
+        @Query("MATCH (post:Post)\n" +
+                "OPTIONAL MATCH (post)-[:HAS_IMAGE]->(image:Image)\n" +
+                "OPTIONAL MATCH (post)-[:HAS_VIDEO]->(video:Video)\n" +
+                "RETURN post, COLLECT(DISTINCT image) AS images, COLLECT(DISTINCT video) AS videos")
         List<Post> getAllPost();
+
+        @Query("MATCH (post:Post)-[:HAS_IMAGE]-> (image:Image)\n" +
+                "where ID(post)=$postId \n" +
+                "return image.filename")
+        String getImage(@Param("postId") Long postId);
+
 //    @Query("MATCH (user:User {username: $username}), (post:Post ) " +" WHERE ID(post)=$postId "+
 //            "CREATE (user)-[:createPost]->(post) Return user,post")
 //    void createPostRelationship(@Param("username") String username,@Param("postId") Long postId);

BE/src/main/java/org/example/repositories/UserRepository.java

@@ -9,6 +9,7 @@ import java.util.Optional;
 
 public interface UserRepository extends Neo4jRepository<User, Long> {
     Optional<User> findUserByUsername(String username);
+    User findUserBy(String username);
     boolean existsByUsername(String username);
 
 

BE/src/main/java/org/example/services/PostService.java

@@ -1,6 +1,7 @@
 package org.example.services;
 
 //import org.example.models.Author;
+import jakarta.transaction.Transactional;
 import org.example.controllers.UserController;
 import org.example.models.Image;
 import org.example.models.Post;
@@ -8,6 +9,7 @@ import org.example.models.User;
 import org.example.models.Video;
 import org.example.queryresults.PostQueryResult;
 import org.example.repositories.PostRepository;
+import org.example.repositories.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
@@ -25,27 +27,45 @@ public class PostService {
 
     private final PostRepository postRepository;
     private final UserController userController;
+    private final UserService userService;
+    private final UserRepository userRepository;
     private String username;
 
 
     @Autowired
-    public PostService(PostRepository postRepository, UserController userController) {
+    public PostService(PostRepository postRepository, UserController userController, UserService userService, UserRepository userRepository) {
         this.postRepository = postRepository;
         this.userController = userController;
+        this.userService=userService;
+        this.userRepository = userRepository;
     }
 
+    @Transactional
     public List<Post> getAllPost(){
-        return postRepository.getAllPost();
+        List<Post> getAllPost=postRepository.getAllPost();
-    }
+
 
+        for (Post post : getAllPost) {
+            if(postRepository.getImage(post.getId())!=null) {
+                String imageUrl = postRepository.getImage(post.getId());
+                post.setImgUrl(imageUrl);
+                System.out.println("Images: " + post.getImgUrl());
+            };
+
+             // Check if images are populated
+        }
+        return getAllPost;
+    }
+    @Transactional
     public Post createPost(String title, String content, MultipartFile imageFile, MultipartFile videoFile) throws IOException {
         Post post = new Post();
         post.setTitle(title);
         post.setContent(content);
 
         if (imageFile != null) {
-            Image image = saveImageFile(imageFile, "images");
+            Image image = saveImageFile(imageFile, "C:\\Users\\P R O B O O K\\Documents\\Phuc\\Facebook\\FE/FE/public/picture");
-            post.getImages().add(image);
+//            post.getImages().add(image);
+            post.setImages(image);
         }
 
         if (videoFile != null) {
@@ -54,41 +74,41 @@ public class PostService {
         }
 
         username=userController.username;
-
+        post.setAuthor(username);
         Post post1= postRepository.save(post);
         Long postId=post1.getId();
-        System.out.println(username+" "+post.getContent()+" "+postId);
          postRepository.createPostRelationship(username,postId);
+
         return post1;
     }
 
     private Image saveImageFile(MultipartFile file, String folder) throws IOException {
-        // Tạo đường dẫn thư mục nếu nó chưa tồn tại
+        // Ensure directory exists; create if not
         Path directoryPath = Paths.get(folder);
         if (!Files.exists(directoryPath)) {
             Files.createDirectories(directoryPath);
         }
 
-        // Tạo tên tệp an toàn
+        // Generate a safe and unique filename
         String originalFilename = file.getOriginalFilename();
         String safeFilename = UUID.randomUUID().toString() + "_" + originalFilename;
 
-        // Đường dẫn đầy đủ đến tệp
+        // Construct full file path
         Path filePath = Paths.get(folder, safeFilename);
 
-        // Sao chép tệp từ MultipartFile vào đường dẫn
+        // Copy file content to the target path
         Files.copy(file.getInputStream(), filePath);
 
-        // Tạo đối tượng Video và lưu thông tin
+        // Create Image object and set metadata
         Image image = new Image();
         image.setFilename(safeFilename);
         image.setContentType(file.getContentType());
 
-        // Lưu video vào hệ thống hoặc cơ sở dữ liệu
+        // Return saved Image object
-
         return image;
     }
 
+
     private Video saveVideoFile(MultipartFile file, String folder) throws IOException {
         // Tạo đường dẫn thư mục nếu nó chưa tồn tại
         Path directoryPath = Paths.get(folder);

BE/src/main/resources/application.properties

@@ -1,3 +1,4 @@
 spring.neo4j.uri=neo4j://localhost:7687
 spring.neo4j.authentication.username=neo4j
 spring.neo4j.authentication.password=12345678
+file_upload = C:/Users/P R O B O O K/Documents/Facebook/BE/images