backend feladat

Backend/elso gyakorlat/src/Application/blogs/command/createPostCommand.js

@@ -0,0 +1,7 @@
+export class CreatePostCommand {
+  constructor(title, content, author) {
+    this.title = title;
+    this.content = content;
+    this.author = author;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/command/createPostCommandHandler.js

@@ -0,0 +1,19 @@
+export class CreatePostCommandHandler {
+  constructor(postRepository) {
+    this.postRepository = postRepository;
+  }
+
+  async handle(command) {
+    if (!command.title || !command.content) {
+      throw new Error('Title and content are required');
+    }
+    
+    const postData = {
+      title: command.title,
+      content: command.content,
+      author: command.author
+    };
+    
+    return await this.postRepository.create(postData);
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/command/deletePostCommand.js

@@ -0,0 +1,5 @@
+export class DeletePostCommand {
+  constructor(id) {
+    this.id = id;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/command/deletePostCommandHandler.js

@@ -0,0 +1,13 @@
+export class DeletePostCommandHandler {
+  constructor(postRepository) {
+    this.postRepository = postRepository;
+  }
+
+  async handle(command) {
+    const result = await this.postRepository.delete(command.id);
+    if (!result) {
+      throw new Error('Post not found');
+    }
+    return result;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/command/updatePostCommand.js

@@ -0,0 +1,8 @@
+export class UpdatePostCommand {
+  constructor(id, title, content, author) {
+    this.id = id;
+    this.title = title;
+    this.content = content;
+    this.author = author;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/command/updatePostCommandHandler.js

@@ -0,0 +1,18 @@
+export class UpdatePostCommandHandler {
+  constructor(postRepository) {
+    this.postRepository = postRepository;
+  }
+
+  async handle(command) {
+    const postData = {};
+    if (command.title) postData.title = command.title;
+    if (command.content) postData.content = command.content;
+    if (command.author) postData.author = command.author;
+    
+    const result = await this.postRepository.update(command.id, postData);
+    if (!result) {
+      throw new Error('Post not found');
+    }
+    return result;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/query/getAllPostsQuery.js

@@ -0,0 +1,3 @@
+export class GetAllPostsQuery {
+  constructor() {}
+}

Backend/elso gyakorlat/src/Application/blogs/query/getAllPostsQueryHandler.js

@@ -0,0 +1,9 @@
+export class GetAllPostsQueryHandler {
+  constructor(postRepository) {
+    this.postRepository = postRepository;
+  }
+
+  async handle(query) {
+    return await this.postRepository.getAll();
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/query/getPostByIdQuery.js

@@ -0,0 +1,5 @@
+export class GetPostByIdQuery {
+  constructor(id) {
+    this.id = id;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/query/getPostByIdQueryHandler.js

@@ -0,0 +1,13 @@
+export class GetPostByIdQueryHandler {
+  constructor(postRepository) {
+    this.postRepository = postRepository;
+  }
+
+  async handle(query) {
+    const post = await this.postRepository.getById(query.id);
+    if (!post) {
+      throw new Error('Post not found');
+    }
+    return post;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/query/getPostsByUserIdQuery.js

@@ -0,0 +1,5 @@
+export class GetPostsByUserIdQuery {
+  constructor(userId) {
+    this.userId = userId;
+  }
+}

Backend/elso gyakorlat/src/Application/blogs/query/getPostsByUserIdQueryHandler.js

@@ -0,0 +1,9 @@
+export class GetPostsByUserIdQueryHandler {
+  constructor(postRepository) {
+    this.postRepository = postRepository;
+  }
+
+  async handle(query) {
+    return await this.postRepository.getByUserId(query.userId);
+  }
+}