feat: create listCourses using CQRS

.gitignore

@@ -13,3 +13,5 @@
 /build
 
 .php-cs-fixer.cache
+.idea/workspace.xml
+.idea

apps/mooc/backend/config/routes/list_courses.yaml

@@ -0,0 +1,4 @@
+courses_list:
+  path: /courses/
+  controller: CodelyTv\Apps\Mooc\Backend\Controller\ListCourses\ListCoursesGetController
+  methods:  [GET]

apps/mooc/backend/src/Controller/ListCourses/ListCoursesGetController.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace CodelyTv\Apps\Mooc\Backend\Controller\ListCourses;
+
+use CodelyTv\Mooc\Courses\Application\List\ListCoursesQuery;
+use CodelyTv\Mooc\Courses\Application\List\ListCoursesResponse;
+use CodelyTv\Mooc\Courses\Domain\Course;
+use CodelyTv\Mooc\Courses\Domain\CourseCollection;
+use CodelyTv\Shared\Infrastructure\Symfony\ApiController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class ListCoursesGetController extends ApiController
+{
+    public function __invoke(Request $request): Response
+    {
+        /** @var ListCoursesResponse $response */
+        $response = $this->ask(new ListCoursesQuery());
+
+        return new JsonResponse(self::transformer($response->courses()));
+    }
+
+    protected function exceptions(): array
+    {
+        return [];
+    }
+
+    public static function transformer(CourseCollection $courseCollection): array
+    {
+        $res = [];
+
+        /** @var Course $course */
+        foreach ($courseCollection->courses() as $course)
+        {
+            $res[] = [
+                'id' => $course->id()->value(),
+                'name' => $course->name()->value(),
+                'duration' => $course->duration()->value(),
+            ];
+        }
+        return $res;
+    }
+}

apps/mooc/backend/tests/features/courses_all/course_all.feature

@@ -0,0 +1,8 @@
+Feature: List all courses
+  In order to list courses on the platform
+  I want to list all courses
+
+  Scenario: List all courses
+    Given I send a GET request to "/courses"
+    Then the response status code should be 200
+    And the response should not be empty

src/Mooc/Courses/Application/List/ListCourses.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace CodelyTv\Mooc\Courses\Application\List;
+
+use CodelyTv\Mooc\Courses\Domain\CourseCollection;
+use CodelyTv\Mooc\Courses\Domain\ListCourses as DomainListCourses;
+use CodelyTv\Mooc\Courses\Domain\CourseRepository;
+
+class ListCourses
+{
+    private readonly DomainListCourses $listCourses;
+
+    public function __construct(CourseRepository $repository)
+    {
+        $this->listCourses = new DomainListCourses($repository);
+    }
+
+    public function __invoke(): CourseCollection
+    {
+        return $this->listCourses->listCourses();
+    }
+}

src/Mooc/Courses/Application/List/ListCoursesQuery.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace CodelyTv\Mooc\Courses\Application\List;
+
+use CodelyTv\Shared\Domain\Bus\Query\Query;
+
+final class ListCoursesQuery implements Query
+{
+}

src/Mooc/Courses/Application/List/ListCoursesQueryHandler.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace CodelyTv\Mooc\Courses\Application\List;
+
+use CodelyTv\Shared\Domain\Bus\Query\QueryHandler;
+
+class ListCoursesQueryHandler implements QueryHandler
+{
+    public function __construct(private readonly ListCourses $listCourses)
+    {
+    }
+
+    public function __invoke(ListCoursesQuery $query): ListCoursesResponse
+    {
+        $courses = $this->listCourses->__invoke();
+        return new ListCoursesResponse($courses);
+    }
+}

src/Mooc/Courses/Application/List/ListCoursesResponse.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace CodelyTv\Mooc\Courses\Application\List;
+
+use CodelyTv\Mooc\Courses\Domain\CourseCollection;
+
+class ListCoursesResponse
+{
+    public function __construct(private readonly CourseCollection $courses)
+    {
+    }
+
+    public function courses(): CourseCollection
+    {
+        return $this->courses;
+    }
+}

src/Mooc/Courses/Domain/CourseCollection.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace CodelyTv\Mooc\Courses\Domain;
+
+
+class CourseCollection
+{
+    private array $courses;
+
+    public function __construct(Course ...$courses)
+    {
+        $this->courses = $courses;
+    }
+
+    public function courses(): array
+    {
+        return $this->courses;
+    }
+}

src/Mooc/Courses/Domain/CourseRepository.php

@@ -11,4 +11,7 @@ interface CourseRepository
 	public function save(Course $course): void;
 
 	public function search(CourseId $id): ?Course;
+
+    public function list(): CourseCollection;
+
 }

src/Mooc/Courses/Domain/ListCourses.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace CodelyTv\Mooc\Courses\Domain;
+
+class ListCourses
+{
+    public function __construct(private readonly CourseRepository $repository)
+    {
+    }
+
+    public function listCourses(): CourseCollection
+    {
+        return $this->repository->list();
+    }
+}

src/Mooc/Courses/Infrastructure/Persistence/DoctrineCourseRepository.php

@@ -5,6 +5,7 @@
 namespace CodelyTv\Mooc\Courses\Infrastructure\Persistence;
 
 use CodelyTv\Mooc\Courses\Domain\Course;
+use CodelyTv\Mooc\Courses\Domain\CourseCollection;
 use CodelyTv\Mooc\Courses\Domain\CourseRepository;
 use CodelyTv\Mooc\Shared\Domain\Courses\CourseId;
 use CodelyTv\Shared\Infrastructure\Persistence\Doctrine\DoctrineRepository;
@@ -20,4 +21,10 @@ public function search(CourseId $id): ?Course
 	{
 		return $this->repository(Course::class)->find($id);
 	}
+
+    public function list(): CourseCollection
+    {
+        $courses = $this->repository(Course::class)->findAll();
+        return new CourseCollection(...$courses);
+    }
 }

tests/Shared/Infrastructure/Behat/ApiContext.php

@@ -69,6 +69,18 @@ public function theResponseShouldBeEmpty(): void
 		}
 	}
 
+    /**
+     * @Then the response should not be empty
+     */
+    public function theResponseShouldNotBeEmpty(): void
+    {
+        $actual = trim($this->sessionHelper->getResponse());
+
+        if (empty($actual)) {
+            throw new RuntimeException(sprintf("The outputs is empty, Actual:\n%s", $actual));
+        }
+    }
+
 	/**
 	 * @Then print last api response
 	 */