Setup basic GraphQL mutations, queries

Using a simple, fictive domain with blogs and authors. Covering many
features of jerowork/graphql-attribute-schema.

Author: jerowork

composer.json

@@ -20,12 +20,16 @@
         "php": "^8.4",
         "ext-ctype": "*",
         "ext-iconv": "*",
+        "ext-sqlite3": "*",
         "guzzlehttp/psr7": "^2.7",
         "jerowork/graphql-attribute-schema": "^0.3.1",
         "php-http/discovery": "^1.20",
         "psr/container": "^2.0",
+        "ramsey/uuid": "^4.7",
         "symfony/console": "~7.2.6",
+        "symfony/dependency-injection": "7.2.*",
         "symfony/dotenv": "~7.2.0",
+        "symfony/event-dispatcher": "7.2.*",
         "symfony/flex": "^2.6",
         "symfony/framework-bundle": "~7.2.5",
         "symfony/http-foundation": "7.2.*",

composer.lock

@@ -17,7 +17,6 @@ services:
         resource: '../src/'
         exclude:
             - '../src/DependencyInjection/'
-            - '../src/Entity/'
             - '../src/Kernel.php'
 
     # add more service definitions when explicit configuration is needed

config/services.yaml

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jerowork\ExampleApplicationGraphqlAttributeSchema\Domain\Author;
+
+use Symfony\Component\DependencyInjection\Attribute\Exclude;
+
+/**
+ * Note: In an actual application, the domain layer contains all business logic
+ * (optionally decoupled from the infrastructure layer by a command bus).
+ * For the sake of this Proof of Concept, it's just a set of simple DTO's, as this project focuses on the GraphQL layer only.
+ */
+#[Exclude]
+final readonly class Author
+{
+    public function __construct(
+        public string $id,
+        public string $name,
+        public ?string $email,
+    ) {}
+}

src/Controller/.gitignore

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jerowork\ExampleApplicationGraphqlAttributeSchema\Domain\Author;
+
+/**
+ * Note: In an actual application, the domain layer contains all business logic
+ * (optionally decoupled from the infrastructure layer by a command bus).
+ * For the sake of this Proof of Concept, it's just a set of simple DTO's, as this project focuses on the GraphQL layer only.
+ */
+interface AuthorRepository
+{
+    public function getById(string $authorId): Author;
+
+    public function save(Author $author): void;
+}

src/Domain/Author/Author.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jerowork\ExampleApplicationGraphqlAttributeSchema\Domain\Blog;
+
+use DateTimeImmutable;
+use Ramsey\Uuid\Uuid;
+use Symfony\Component\DependencyInjection\Attribute\Exclude;
+
+/**
+ * Note: In an actual application, the domain layer contains all business logic
+ * (optionally decoupled from the infrastructure layer by a command bus).
+ * For the sake of this Proof of Concept, it's just a set of simple DTO's, as this project focuses on the GraphQL layer only.
+ */
+#[Exclude]
+final readonly class Blog
+{
+    /**
+     * @param list<string> $tags
+     */
+    public function __construct(
+        public string $id,
+        public BlogStatus $status,
+        public string $title,
+        public string $authorId,
+        public array $tags,
+        public DateTimeImmutable $publishedAt,
+    ) {}
+
+    /**
+     * @param list<string> $tags
+     */
+    public static function createDraft(
+        string $title,
+        string $authorId,
+        array $tags,
+    ): self {
+        return new self(
+            (string) Uuid::uuid7(),
+            BlogStatus::Draft,
+            $title,
+            $authorId,
+            $tags,
+            new DateTimeImmutable(),
+        );
+    }
+}

src/Domain/Author/AuthorRepository.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jerowork\ExampleApplicationGraphqlAttributeSchema\Domain\Blog;
+
+/**
+ * Note: In an actual application, the domain layer contains all business logic
+ * (optionally decoupled from the infrastructure layer by a command bus).
+ * For the sake of this Proof of Concept, it's just a set of simple DTO's, as this project focuses on the GraphQL layer only.
+ */
+interface BlogRepository
+{
+    public function getById(string $blogId): Blog;
+
+    public function getBlogs(
+        BlogStatus $status,
+        string $authorId,
+        ?int $first,
+        ?string $afterCursor,
+        ?int $last,
+        ?string $beforeCursor,
+    ): Blogs;
+
+    public function save(Blog $blog): void;
+}