negyedik gyakorlat + megoldasok

Backend/második gyakorlat_minta/src/application/user/query/GetAllUsersHandler.js

@@ -0,0 +1,13 @@
+const UserRepository = require('../../../infrastructure/repositories/UserRepository');
+
+class GetAllUsersHandler {
+  constructor() {
+    this.userRepository = new UserRepository();
+  }
+
+  async handle(query) {
+    return await this.userRepository.findAll();
+  }
+}
+
+module.exports = GetAllUsersHandler;

Backend/második gyakorlat_minta/src/application/user/query/GetAllUsersQuery.js

@@ -0,0 +1,5 @@
+class GetAllUsersQuery {
+  constructor() {}
+}
+
+module.exports = GetAllUsersQuery;

Backend/második gyakorlat_minta/src/application/user/query/GetUserHandler.js

@@ -0,0 +1,17 @@
+const UserRepository = require('../../../infrastructure/repositories/UserRepository');
+
+class GetUserHandler {
+  constructor() {
+    this.userRepository = new UserRepository();
+  }
+
+  async handle(query) {
+    const user = await this.userRepository.findById(query.id);
+    if (!user) {
+      throw new Error('User nem található');
+    }
+    return user;
+  }
+}
+
+module.exports = GetUserHandler;

Backend/második gyakorlat_minta/src/application/user/query/GetUserQuery.js

@@ -0,0 +1,7 @@
+class GetUserQuery {
+  constructor(id) {
+    this.id = id;
+  }
+}
+
+module.exports = GetUserQuery;