Union types support

.gitignore

@@ -1,3 +1,5 @@
+/.env
+
 /.idea/
 
 /.phpunit.result.cache

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Data Transfer Object classes generation from swagger spec
 - JsonApiResponseFactory::createResponse() `meta` and `links` arguments 
 - CacheableDispatcherFactoryProxy
+- Union types support for `data.relationships` DTO: use suitable type for input data structure 
 
 ## [0.0.13] - 2021-01-27
 ### Added

Dockerfile

@@ -1,4 +1,6 @@
-FROM php:8-cli
+ARG PHP_VERSION
+
+FROM php:${PHP_VERSION}-cli
 
 RUN apt-get update \
     && apt-get install -y \

Makefile

@@ -1,7 +1,9 @@
 PATH := $(shell pwd)/bin:$(PATH)
+$(shell cp -n dev.env .env)
+include .env
 
 build:
-	docker build -t free-elephants/json-api-php-toolkit .
+	docker build --build-arg PHP_VERSION=${PHP_VERSION} -t free-elephants/json-api-php-toolkit .
 
 install: build
 	composer install

README.md

@@ -28,3 +28,9 @@ Available in [/docs](/docs).
 1. [Serialize doctrine entities](/docs/doctrine.md)
 1. [DTO from psr server request](/docs/dto-psr7.md)
 1. [Validation](/docs/validation.md)
+
+## Development
+
+All dev env is dockerized. Your can use make receipts and `bin/` scripts without locally installed php, composer. 
+
+For run tests with different php version change `PHP_VERSION` value in .env and rebuild image with `make build`.  

composer.json

@@ -39,7 +39,8 @@
     "suggest": {
         "doctrine/orm": "^2.7",
         "free-elephants/di": "*",
-        "laminas/laminas-httphandlerrunner": "*"
+        "laminas/laminas-httphandlerrunner": "*",
+        "nyholm/psr7": "^1.2"
     },
     "autoload": {
         "psr-4": {

dev.env

@@ -0,0 +1 @@
+PHP_VERSION=8.0

docs/dto-psr7.md

@@ -3,3 +3,5 @@
 Full typed objects from request or response body.
 
 See example in [test](/tests/FreeElephants/JsonApiToolkit/DTO/DocumentTest.php). 
+
+Union types support for relationships in PHP 8. 

docs/routing.md

@@ -60,3 +60,8 @@ JSON
 
 (new DispatcherFactory(null, new Parsers\JsonFileParser()))->buildDispatcher('swagger.json');
 ```
+
+## About performance
+
+Parse large swagger files have performance issues. Use `FreeElephants\JsonApiToolkit\Routing\FastRoute\CacheableDispatcherFactoryProxy` for production usage: it based on psr/cache component compare swagger file hash.
+

phpunit.xml.dist

@@ -13,8 +13,11 @@
     <ini name="error_reporting" value="E_ALL"/>
   </php>
   <testsuites>
-    <testsuite name="JsonApi Toolkit Tests">
-      <directory>./tests</directory>
+    <testsuite name="8.0">
+      <directory suffix="TestPHP8.php" phpVersion="8.0">./tests</directory>
+    </testsuite>
+    <testsuite name="7.4">
+      <directory suffix="Test.php" phpVersion="7.4">./tests</directory>
     </testsuite>
   </testsuites>
   <logging/>

src/FreeElephants/JsonApiToolkit/DTO/AbstractDocument.php

@@ -3,7 +3,6 @@
 namespace FreeElephants\JsonApiToolkit\DTO;
 
 use Psr\Http\Message\MessageInterface;
-use Psr\Http\Message\ServerRequestInterface;
 
 /**
  * @property AbstractResourceObject|mixed $data

src/FreeElephants/JsonApiToolkit/DTO/AbstractResourceObject.php

@@ -2,8 +2,10 @@
 
 namespace FreeElephants\JsonApiToolkit\DTO;
 
+use FreeElephants\JsonApiToolkit\DTO\Reflection\SuitableRelationshipsTypeDetector;
+
 /**
- * @property AbstractAttributes    $attributes
+ * @property AbstractAttributes $attributes
  * @property AbstractRelationships $relationships
  */
 class AbstractResourceObject
@@ -25,10 +27,20 @@ public function __construct(array $data)
         }
 
         if (property_exists($this, 'relationships')) {
+            $relationshipsData = $data['relationships'];
             $concreteClass = new \ReflectionClass($this);
             $relationshipsProperty = $concreteClass->getProperty('relationships');
-            $relationshipsClass = $relationshipsProperty->getType()->getName();
-            $this->relationships = new $relationshipsClass($data['relationships']);
+            $reflectionType = $relationshipsProperty->getType();
+
+            // handle php 8 union types
+            if (class_exists(\ReflectionUnionType::class) && $reflectionType instanceof \ReflectionUnionType) {
+                $relationshipsClass = (new SuitableRelationshipsTypeDetector())->detect($reflectionType, $relationshipsData);
+            } else {
+                $relationshipsClass = $reflectionType->getName();
+            }
+
+            $relationshipsDto = new $relationshipsClass($relationshipsData);
+            $this->relationships = $relationshipsDto;
         }
     }
 }

src/FreeElephants/JsonApiToolkit/DTO/Reflection/SuitableRelationshipsTypeDetector.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace FreeElephants\JsonApiToolkit\DTO\Reflection;
+
+class SuitableRelationshipsTypeDetector
+{
+
+    public function detect(\ReflectionUnionType $propertyUnionType, array $data): ?string
+    {
+        foreach ($propertyUnionType->getTypes() as $type) {
+            $candidateType = $type->getName();
+            $candidateClass = new \ReflectionClass($candidateType);
+            $isCandidate = false;
+            foreach ($data as $propertyName => $propertyData) {
+                if (!$candidateClass->hasProperty($propertyName)) {
+                    break;
+                }
+                $isCandidate = true;
+            }
+            if ($isCandidate) {
+                break;
+            }
+        }
+
+        return $candidateType;
+    }
+}

tests/FreeElephants/JsonApiToolkit/AbstractTestCase.php

@@ -6,5 +6,5 @@
 
 class AbstractTestCase extends TestCase
 {
-    protected const FIXTERE_PATH = __DIR__ . '/../../_fixtures';
+    protected const FIXTURE_PATH = __DIR__ . '/../../_fixtures';
 }

tests/FreeElephants/JsonApiToolkit/DTO/Example/Attributes.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace FreeElephants\JsonApiToolkit\DTO\Example;
+
+use FreeElephants\JsonApiToolkit\DTO\AbstractAttributes;
+
+class Attributes extends AbstractAttributes
+{
+    public string $foo;
+}

tests/FreeElephants/JsonApiToolkit/DTO/Example/OneRelationships.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace FreeElephants\JsonApiToolkit\DTO\Example;
+
+use FreeElephants\JsonApiToolkit\DTO\AbstractRelationships;
+use FreeElephants\JsonApiToolkit\DTO\RelationshipToOne;
+
+class OneRelationships extends AbstractRelationships
+{
+    public RelationshipToOne $one;
+}

tests/FreeElephants/JsonApiToolkit/DTO/Example/TwoRelationships.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace FreeElephants\JsonApiToolkit\DTO\Example;
+
+use FreeElephants\JsonApiToolkit\DTO\AbstractRelationships;
+use FreeElephants\JsonApiToolkit\DTO\RelationshipToOne;
+
+class TwoRelationships extends AbstractRelationships
+{
+    public RelationshipToOne $two;
+}

tests/FreeElephants/JsonApiToolkit/DTO/Reflection/SuitableRelationshipsTypeDetectorTestPHP8.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace FreeElephants\JsonApiToolkit\DTO\Reflection;
+
+use FreeElephants\JsonApiToolkit\AbstractTestCase;
+use FreeElephants\JsonApiToolkit\DTO\AbstractAttributes;
+use FreeElephants\JsonApiToolkit\DTO\AbstractRelationships;
+use FreeElephants\JsonApiToolkit\DTO\AbstractResourceObject;
+use FreeElephants\JsonApiToolkit\DTO\RelationshipToOne;
+use ReflectionProperty;
+
+class SuitableRelationshipsTypeDetectorTestPHP8 extends AbstractTestCase
+{
+
+    public function testDetect()
+    {
+        $detector = new SuitableRelationshipsTypeDetector();
+        $relationshipsProperty = new ReflectionProperty(ResourceWithUnionTypedRelationships::class, 'relationships');
+        $relationshipsPropertyUnionType = $relationshipsProperty->getType();
+        $detectedOne = $detector->detect($relationshipsPropertyUnionType, [
+            'fuzz' => [
+                'data' => [
+                    'id'   => 'fuzz',
+                    'type' => 'fuzz',
+                ],
+            ],
+        ]);
+        $this->assertSame(FuzzRelationships::class, $detectedOne);
+
+        $detectedTwo = $detector->detect($relationshipsPropertyUnionType, [
+            'bar' => [
+                'data' => [
+                    'id'   => 'bazz',
+                    'type' => 'bazz',
+                ],
+            ],
+        ]);
+        $this->assertSame(BarRelationships::class, $detectedTwo);
+    }
+}
+
+class ResourceWithUnionTypedRelationships extends AbstractResourceObject
+{
+    public BazzAttributes $attributes;
+    public FuzzRelationships|BarRelationships $relationships;
+}
+
+class BazzAttributes extends AbstractAttributes
+{
+    public string $bazz;
+}
+
+class FuzzRelationships extends AbstractRelationships
+{
+    public RelationshipToOne $fuzz;
+}
+
+class BarRelationships extends AbstractRelationships
+{
+    public RelationshipToOne $bar;
+}

tests/FreeElephants/JsonApiToolkit/DTO/ResourceObjectTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace FreeElephants\JsonApiToolkit\DTO;
+
+use FreeElephants\JsonApiToolkit\AbstractTestCase;
+
+class ResourceObjectTest extends AbstractTestCase
+{
+    public function testRelationshipTypes()
+    {
+        $resourceObject = new class([
+            'id'            => 'id',
+            'type'          => 'type',
+            'attributes'    => [
+                'foo' => 'bar',
+            ],
+            'relationships' => [
+                'one' => [
+                    'data' => [
+                        'type' => 'one',
+                        'id'   => 'one',
+                    ],
+                ],
+            ],
+        ]) extends AbstractResourceObject {
+            public Example\Attributes $attributes;
+            public Example\OneRelationships $relationships;
+        };
+
+        $this->assertInstanceOf(Example\OneRelationships::class, $resourceObject->relationships);
+        $this->assertSame('one', $resourceObject->relationships->one->data->type);
+    }
+}
+
+class Attributes extends AbstractAttributes
+{
+    public string $foo;
+}

tests/FreeElephants/JsonApiToolkit/DTO/ResourceObjectTestPHP8.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace FreeElephants\JsonApiToolkit\DTO;
+
+use FreeElephants\JsonApiToolkit\AbstractTestCase;
+
+class ResourceObjectTestPHP8 extends AbstractTestCase
+{
+    public function testUnionTypes()
+    {
+        $resourceObject = new class([
+            'id'            => 'id',
+            'type'          => 'type',
+            'attributes'    => [
+                'foo' => 'bar',
+            ],
+            'relationships' => [
+                'one' => [
+                    'data' => [
+                        'type' => 'one',
+                        'id'   => 'one',
+                    ],
+                ],
+            ],
+        ]) extends AbstractResourceObject{
+            public Example\Attributes $attributes;
+            public Example\OneRelationships|Example\TwoRelationships $relationships;
+        };
+
+        $this->assertSame('one', $resourceObject->relationships->one->data->type);
+    }
+}
+

tests/FreeElephants/JsonApiToolkit/JsonApi/AttributesClassBuilderTest.php

@@ -11,7 +11,7 @@ class AttributesClassBuilderTest extends AbstractTestCase
 
     public function testCollect()
     {
-        $openapi = (new YamlFileParser())->parse(self::FIXTERE_PATH . '/json-api-simple-attributes-mapping-example.yml');
+        $openapi = (new YamlFileParser())->parse(self::FIXTURE_PATH . '/json-api-simple-attributes-mapping-example.yml');
         $collector = new AttributesClassBuilder();
         $attributesClass = $collector->buildClass($openapi, 'articles');
         $expectedAttributesSourceCode = <<<PHP

tests/FreeElephants/JsonApiToolkit/JsonApi/AttributesSchemaBuilderTest.php

@@ -10,7 +10,7 @@ class AttributesSchemaBuilderTest extends AbstractTestCase
 
     public function testBuild()
     {
-        $openapi = (new YamlFileParser())->parse(self::FIXTERE_PATH . '/json-api-simple-attributes-mapping-example.yml');
+        $openapi = (new YamlFileParser())->parse(self::FIXTURE_PATH . '/json-api-simple-attributes-mapping-example.yml');
         $attributesSchemaBuilder = new AttributesSchemaBuilder();
         $schema = $attributesSchemaBuilder->build($openapi, 'articles');
         $this->assertTrue($schema->hasAttribute('title'));
@@ -20,7 +20,7 @@ public function testBuild()
     public function testBuildFromAllOf()
     {
         $this->markTestIncomplete();
-        $openapi = (new YamlFileParser())->parse(self::FIXTERE_PATH . '/json-api.yml');
+        $openapi = (new YamlFileParser())->parse(self::FIXTURE_PATH . '/json-api.yml');
         $attributesSchemaBuilder = new AttributesSchemaBuilder();
         $schema = $attributesSchemaBuilder->build($openapi, 'people');
         $this->assertTrue($schema->hasAttribute('first-name'));

tests/FreeElephants/JsonApiToolkit/JsonApi/DataTransferObjectClassSourceCodeGeneratorTest.php

@@ -11,7 +11,7 @@ class DataTransferObjectClassSourceCodeGeneratorTest extends AbstractTestCase
     public function testGenerate()
     {
         $generator = new DataTransferObjectClassSourceCodeGenerator();
-        $openapi = (new YamlFileParser())->parse(self::FIXTERE_PATH . '/json-api.yml');
+        $openapi = (new YamlFileParser())->parse(self::FIXTURE_PATH . '/json-api.yml');
 
         $set = $generator->generate($openapi, 'articles');
         $expectedDocumentSourceCode = <<<PHP

tests/FreeElephants/JsonApiToolkit/Middleware/SwaggerSpecificationRequestValidatorTest.php

@@ -8,7 +8,7 @@
 class SwaggerSpecificationRequestValidatorTest extends AbstractHttpTestCase
 {
 
-    private const SWAGGER_FILE = self::FIXTERE_PATH . '/swagger-example-for-request-validation.yml';
+    private const SWAGGER_FILE = self::FIXTURE_PATH . '/swagger-example-for-request-validation.yml';
 
     public function testProcessSuccess()
     {

tests/FreeElephants/JsonApiToolkit/OasToolsAdapter/JsonFileParserTest.php

@@ -10,7 +10,7 @@ class JsonFileParserTest extends AbstractTestCase
     public function testParse()
     {
         $parser = new JsonFileParser();
-        $openapi = $parser->parse(self::FIXTERE_PATH . '/petstore.json');
+        $openapi = $parser->parse(self::FIXTURE_PATH . '/petstore.json');
         $this->assertSame('Swagger Petstore', $openapi->info->title);
     }
 }

tests/FreeElephants/JsonApiToolkit/OasToolsAdapter/YamlFileParserTest.php

@@ -10,7 +10,7 @@ class YamlFileParserTest extends AbstractTestCase
     public function testParse()
     {
         $parser = new YamlFileParser();
-        $openapi = $parser->parse(self::FIXTERE_PATH . '/petstore.yaml');
+        $openapi = $parser->parse(self::FIXTURE_PATH . '/petstore.yaml');
         $this->assertSame('Swagger Petstore', $openapi->info->title);
     }
 }