[backoffice-course] List all existing courses

apps/backoffice/frontend/config/routes/api_courses.yaml

@@ -0,0 +1,4 @@
+api_courses_get:
+    path: /api/courses
+    controller: CodelyTv\Apps\Backoffice\Frontend\Controller\Courses\ApiCoursesGetController
+    methods:  [GET]

apps/backoffice/frontend/src/Controller/Courses/ApiCoursesGetController.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace CodelyTv\Apps\Backoffice\Frontend\Controller\Courses;
+
+use CodelyTv\Backoffice\Courses\Application\BackofficeCourseResponse;
+use CodelyTv\Backoffice\Courses\Application\BackofficeCoursesResponse;
+use CodelyTv\Backoffice\Courses\Application\SearchAll\SearchAllBackofficeCoursesQuery;
+use CodelyTv\Shared\Infrastructure\Symfony\Controller;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use function Lambdish\Phunctional\map;
+
+final class ApiCoursesGetController extends Controller
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        /** @var BackofficeCoursesResponse $response */
+        $response = $this->ask(new SearchAllBackofficeCoursesQuery());
+
+        return new JsonResponse(map($this->toArray(), $response->courses()));
+    }
+
+    private function toArray(): callable
+    {
+        return static function (BackofficeCourseResponse $course) {
+            return [
+                'id'       => $course->id(),
+                'name'     => $course->name(),
+                'duration' => $course->duration(),
+            ];
+        };
+    }
+}

apps/backoffice/frontend/templates/pages/courses/courses.html.twig

@@ -13,4 +13,7 @@
         </div>
     </div>
     {{ include('pages/courses/partials/new_course_form.html.twig') }}
+    <div class="clearfix mb-10"></div>
+    <hr class="mb-10">
+    {{ include('pages/courses/partials/list_courses.html.twig') }}
 {% endblock %}

apps/backoffice/frontend/templates/pages/courses/partials/list_courses.html.twig

@@ -0,0 +1,44 @@
+<h3 class="font-sans text-gray-800 text-center text-3xl mb-10">Cursos existentes</h3>
+
+<table class="text-left w-full border-collapse">
+    <thead>
+    <tr>
+        <th class="py-4 px-6 bg-grey-lightest font-bold uppercase text-sm text-grey-dark border-b border-grey-light">Id</th>
+        <th class="py-4 px-6 bg-grey-lightest font-bold uppercase text-sm text-grey-dark border-b border-grey-light">Nombre</th>
+        <th class="py-4 px-6 bg-grey-lightest font-bold uppercase text-sm text-grey-dark border-b border-grey-light">Duración</th>
+    </tr>
+    </thead>
+    <tbody id="courses-list">
+
+    </tbody>
+</table>
+
+<script>
+    const tableBody = document.getElementById("courses-list");
+
+    fetch("{{ path('api_courses_get') }}")
+        .then(function (response) {
+            return response.json();
+        })
+        .then(function (courses) {
+            tableBody.innerHTML = "";
+
+            courses.forEach(function (course) {
+                let courseRow = document.createElement("tr");
+
+                courseRow.appendChild(tableCellFor(course.id));
+                courseRow.appendChild(tableCellFor(course.name));
+                courseRow.appendChild(tableCellFor(course.duration));
+
+                tableBody.appendChild(courseRow);
+            })
+        });
+
+    function tableCellFor(text) {
+        const cell = document.createElement("td");
+
+        cell.appendChild(document.createTextNode(text));
+
+        return cell;
+    }
+</script>

src/Backoffice/Courses/Application/BackofficeCourseResponse.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace CodelyTv\Backoffice\Courses\Application;
+
+final class BackofficeCourseResponse
+{
+    private $id;
+    private $name;
+    private $duration;
+
+    public function __construct(string $id, string $name, string $duration)
+    {
+        $this->id       = $id;
+        $this->name     = $name;
+        $this->duration = $duration;
+    }
+
+    public function id(): string
+    {
+        return $this->id;
+    }
+
+    public function name(): string
+    {
+        return $this->name;
+    }
+
+    public function duration(): string
+    {
+        return $this->duration;
+    }
+}

src/Backoffice/Courses/Application/BackofficeCoursesResponse.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace CodelyTv\Backoffice\Courses\Application;
+
+use CodelyTv\Shared\Domain\Bus\Query\Response;
+
+final class BackofficeCoursesResponse implements Response
+{
+    private $courses;
+
+    public function __construct(BackofficeCourseResponse ...$courses)
+    {
+        $this->courses = $courses;
+    }
+
+    public function courses(): array
+    {
+        return $this->courses;
+    }
+}

src/Backoffice/Courses/Application/Create/BackofficeCourseCreator.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace CodelyTv\Backoffice\Courses\Application\Create;
+
+use CodelyTv\Backoffice\Courses\Domain\BackofficeCourse;
+use CodelyTv\Backoffice\Courses\Domain\BackofficeCourseRepository;
+
+final class BackofficeCourseCreator
+{
+    private $repository;
+
+    public function __construct(BackofficeCourseRepository $repository)
+    {
+        $this->repository = $repository;
+    }
+
+    public function create(string $id, string $name, string $duration): void
+    {
+        $this->repository->save(new BackofficeCourse($id, $name, $duration));
+    }
+}

src/Backoffice/Courses/Application/Create/CreateBackofficeCourseOnCourseCreated.php

@@ -4,18 +4,16 @@
 
 namespace CodelyTv\Backoffice\Courses\Application\Create;
 
-use CodelyTv\Backoffice\Courses\Domain\BackofficeCourse;
-use CodelyTv\Backoffice\Courses\Domain\BackofficeCourseRepository;
 use CodelyTv\Mooc\Courses\Domain\CourseCreatedDomainEvent;
 use CodelyTv\Shared\Domain\Bus\Event\DomainEventSubscriber;
 
 final class CreateBackofficeCourseOnCourseCreated implements DomainEventSubscriber
 {
-    private $repository;
+    private $creator;
 
-    public function __construct(BackofficeCourseRepository $repository)
+    public function __construct(BackofficeCourseCreator $creator)
     {
-        $this->repository = $repository;
+        $this->creator = $creator;
     }
 
     public static function subscribedTo(): array
@@ -25,6 +23,6 @@ public static function subscribedTo(): array
 
     public function __invoke(CourseCreatedDomainEvent $event)
     {
-        $this->repository->save(new BackofficeCourse($event->aggregateId(), $event->name(), $event->duration()));
+        $this->creator->create($event->aggregateId(), $event->name(), $event->duration());
     }
 }

src/Backoffice/Courses/Application/SearchAll/AllBackofficeCoursesSearcher.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace CodelyTv\Backoffice\Courses\Application\SearchAll;
+
+use CodelyTv\Backoffice\Courses\Application\BackofficeCourseResponse;
+use CodelyTv\Backoffice\Courses\Application\BackofficeCoursesResponse;
+use CodelyTv\Backoffice\Courses\Domain\BackofficeCourse;
+use CodelyTv\Backoffice\Courses\Domain\BackofficeCourseRepository;
+use function Lambdish\Phunctional\map;
+
+final class AllBackofficeCoursesSearcher
+{
+    private $repository;
+
+    public function __construct(BackofficeCourseRepository $repository)
+    {
+        $this->repository = $repository;
+    }
+
+    public function searchAll(): BackofficeCoursesResponse
+    {
+        return new BackofficeCoursesResponse(...map($this->toResponse(), $this->repository->searchAll()));
+    }
+
+    private function toResponse(): callable
+    {
+        return static function (BackofficeCourse $course) {
+            return new BackofficeCourseResponse($course->id(), $course->name(), $course->duration());
+        };
+    }
+}

src/Backoffice/Courses/Application/SearchAll/SearchAllBackofficeCoursesQuery.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace CodelyTv\Backoffice\Courses\Application\SearchAll;
+
+use CodelyTv\Shared\Domain\Bus\Query\Query;
+
+final class SearchAllBackofficeCoursesQuery implements Query
+{
+}

src/Backoffice/Courses/Application/SearchAll/SearchAllBackofficeCoursesQueryHandler.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace CodelyTv\Backoffice\Courses\Application\SearchAll;
+
+use CodelyTv\Backoffice\Courses\Application\BackofficeCoursesResponse;
+use CodelyTv\Shared\Domain\Bus\Query\QueryHandler;
+
+final class SearchAllBackofficeCoursesQueryHandler implements QueryHandler
+{
+    private $searcher;
+
+    public function __construct(AllBackofficeCoursesSearcher $searcher)
+    {
+        $this->searcher = $searcher;
+    }
+
+    public function __invoke(SearchAllBackofficeCoursesQuery $query): BackofficeCoursesResponse
+    {
+        return $this->searcher->searchAll();
+    }
+}

src/Backoffice/Courses/Domain/BackofficeCourseRepository.php

@@ -7,4 +7,6 @@
 interface BackofficeCourseRepository
 {
     public function save(BackofficeCourse $course): void;
+
+    public function searchAll(): array;
 }

src/Backoffice/Courses/Infrastructure/Persistence/MySqlBackofficeCourseRepository.php

@@ -14,4 +14,9 @@ public function save(BackofficeCourse $course): void
     {
         $this->persist($course);
     }
+
+    public function searchAll(): array
+    {
+        return $this->repository(BackofficeCourse::class)->findAll();
+    }
 }