Working on Resources.

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

src/Http/Resources/Json/AnonymousResourceCollection.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Orchestra\Http\Resources\Json;
+
+class AnonymousResourceCollection extends ResourceCollection
+{
+    /**
+     * The name of the resource being collected.
+     *
+     * @var string
+     */
+    public $collects;
+
+    /**
+     * Create a new anonymous resource collection.
+     *
+     * @param  mixed  $resource
+     * @param  string  $collects
+     *
+     * @return void
+     */
+    public function __construct($resource, string $collects)
+    {
+        $this->collects = $collects;
+
+        parent::__construct($resource);
+    }
+}

src/Http/Resources/Json/Resource.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Orchestra\Http\Resources\Json;
+
+use Illuminate\Http\Resources\Json\Resource as BaseResource;
+
+class Resource extends BaseResource
+{
+    use Tranformable;
+
+    /**
+     * Create new anonymous resource collection.
+     *
+     * @param  mixed  $resource
+     *
+     * @return \Orchestra\Http\Resources\Json\AnonymousResourceCollection
+     */
+    public static function collection($resource)
+    {
+        return new AnonymousResourceCollection($resource, get_called_class());
+    }
+
+    /**
+     * Transform the resource into an array.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     *
+     * @return mixed
+     */
+    public function toArray($request)
+    {
+        if (method_exists($request, 'version')) {
+            $this->version($request->version());
+        }
+
+        if (is_null($transformed = $this->toArrayUsingTransformer($request))) {
+            return parent::toArray($request);
+        }
+
+        return $transformed;
+    }
+}

src/Http/Resources/Json/ResourceCollection.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Orchestra\Http\Resources\Json;
+
+use Illuminate\Http\Resources\Json\ResourceCollection as BaseResource;
+
+class ResourceCollection extends BaseResource
+{
+    use Transformable;
+
+    /**
+     * Transform the resource into a JSON array.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     *
+     * @return mixed
+     */
+    public function toArray($request)
+    {
+        if (method_exists($request, 'version')) {
+            $this->version($request->version());
+        }
+
+        if (is_null($transformed = $this->toArrayUsingTransformer($request))) {
+            return parent::toArray($request);
+        }
+
+        return $transformed;
+    }
+}

src/Http/Resources/Json/Transformable.php

@@ -0,0 +1,109 @@
+<?php
+
+namespace Orchestra\Http\Resources\Json;
+
+trait Transformable
+{
+    /**
+     * Transformer name.
+     *
+     * @var string|null
+     */
+    protected $transformer;
+
+    /**
+     * Version code.
+     *
+     * @var string|null
+     */
+    protected $version;
+
+    /**
+     * Set transformer name.
+     *
+     * @param  string|null  $transformer
+     *
+     * @return $this
+     */
+    public function transformer(string $transformer = null): self
+    {
+        $this->transformer = $transformer;
+
+        return $this;
+    }
+
+    /**
+     * Set version.
+     *
+     * @param  string|null  $version
+     *
+     * @return $this
+     */
+    public function version(string $version = null): self
+    {
+        $this->version = $version;
+
+        return $this;
+    }
+
+    /**
+     * Get transformer.
+     *
+     * @return string|null
+     */
+    public function getTransformer()
+    {
+        return $this->transformer;
+    }
+
+    /**
+     * Get version.
+     *
+     * @return string|null
+     */
+    public function getVersion()
+    {
+        return $this->version;
+    }
+
+    /**
+     * Transform the resource into an array.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     *
+     * @return array|null
+     */
+    public function toArrayUsingTransformer($request)
+    {
+        $transformer = $this->resolveTransformer();
+
+        if (class_exists($transformer, false)) {
+            $service = new $transformer($request);
+
+            if ($service instanceof Transformer) {
+                return $service->fromResource($this)->handle($this->instance);
+            }
+        }
+    }
+
+    /**
+     * Resolve transformer.
+     *
+     * @return string
+     */
+    protected function resolveTransformer(): string
+    {
+        $transformer = $this->transformer ?? class_basename($this->instance);
+
+        return app('orchestra.http.version')->resolve(
+            $this->getNamespace(), $this->version, $transformer
+        );
+    }
+
+    /**
+     * Get namespace.
+     *
+     * @return string
+     */
+    abstract public function getNamespace(): string;
+}

src/Http/Transformer.php

@@ -8,6 +8,13 @@ abstract class Transformer extends BaseTransformer
 {
     use Traits\Transformable;
 
+    /**
+     * Resource instance.
+     *
+     * @var Orchestra\Http\Resources\Json\Resource
+     */
+    protected $resource;
+
     /**
      * Invoke the transformation.
      *
@@ -21,6 +28,20 @@ public static function with($instance, array $options = [])
         return (new static())->options($options)->handle($instance);
     }
 
+    /**
+     * Set resource.
+     *
+     * @param  \Orchestra\Http\Resources\Json|resource $resource
+     *
+     * @return $this
+     */
+    public function resource($resource)
+    {
+        $this->resource = $resource;
+
+        return $this;
+    }
+
     /**
      * Invoke the transformer.
      *