[js][http_api][03_parameter_object] Introduce Request parameter object

Author: rgomezcasas

examples/js/js-http_api-03_introduce_parameter_object/src/CourseCreator.js

@@ -5,8 +5,8 @@ export class CourseCreator {
         this.repository = repository;
     }
 
-    create(id, name, duration) {
-        const course = new Course(id, name, duration);
+    create(request) {
+        const course = new Course(request.id, request.name, request.duration);
 
         this.repository.save(course);
     }

examples/js/js-http_api-03_introduce_parameter_object/src/CoursesController.js

@@ -1,10 +1,12 @@
+import {CreateCourseRequest} from "./CreateCourseRequest";
+
 export class CoursesController {
     constructor(courseCreator) {
         this.courseCreator = courseCreator;
     }
 
     create(request) {
-        this.courseCreator.create(request.body.id, request.body.name, request.body.duration);
+        this.courseCreator.create(new CreateCourseRequest(request.body.id, request.body.name, request.body.duration));
 
         return {status: 201};
     }

examples/js/js-http_api-03_introduce_parameter_object/src/CreateCourseRequest.js

@@ -0,0 +1,7 @@
+export class CreateCourseRequest {
+    constructor(id, name, duration) {
+        this.id       = id;
+        this.name     = name;
+        this.duration = duration;
+    }
+}