Add render Image support, support multipart form uploads

Author: joselfonseca

app/Http/Controllers/Api/Assets/RenderFileController.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace App\Http\Controllers\Api\Assets;
+
+use Illuminate\Http\Request;
+use App\Entities\Assets\Asset;
+use App\Http\Controllers\Controller;
+use Intervention\Image\Facades\Image;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+
+/**
+ * Class RenderFileController
+ *
+ * @package App\Http\Controllers\Api\Assets
+ */
+class RenderFileController extends Controller
+{
+    /**
+     * @var \App\Entities\Assets\Asset
+     */
+    protected $model;
+
+    /**
+     * RenderFileController constructor.
+     *
+     * @param \App\Entities\Assets\Asset $model
+     */
+    public function __construct(Asset $model)
+    {
+        $this->model = $model;
+    }
+
+    /**
+     * @param $uuid
+     * @param \Illuminate\Http\Request $request
+     * @return mixed
+     */
+    public function show($uuid, Request $request)
+    {
+        try {
+            $model = $this->model->byUuid($uuid)->firstOrFail();
+            return $this->renderFile($model, $request->get('width', null), $request->get('height', null));
+        } catch (ModelNotFoundException $e) {
+            return $this->renderPlaceholder($request->get('width', null), $request->get('height', null));
+        }
+    }
+
+    /**
+     * @param $model
+     * @param $width
+     * @param $height
+     * @return mixed
+     */
+    public function renderFile($model, $width, $height)
+    {
+        $image = $this->makeFromPath($width, $height, $model->path);
+        return $image->response();
+    }
+
+    /**
+     * @param $width
+     * @param $height
+     * @return mixed
+     */
+    public function renderPlaceholder($width, $height)
+    {
+        $image = Image::cache(function($image) use ($width, $height){
+            $img = $image->canvas(800, 800, '#FFFFFF');
+            $this->resize($img, $width, $height);
+            return $img;
+        }, 10, true);
+        return $image->response();
+    }
+
+    /**
+     * @param $width
+     * @param $height
+     * @param $path
+     * @return mixed
+     */
+    protected function makeFromPath($width, $height, $path)
+    {
+        return Image::cache(function($image) use ($path, $width, $height){
+            $img = $image->make(Storage::get($path));
+            $this->resize($img, $width, $height);
+            return $img;
+        }, 10, true);
+    }
+
+    /**
+     * @param $img
+     * @param $width
+     * @param $height
+     * @return mixed
+     */
+    protected function resize($img, $width, $height)
+    {
+        if (! empty($width) && ! empty($height)) {
+            $img->resize($width, $height);
+        } elseif (! empty($width)) {
+            $img->resize($width, null, function ($constraint) {
+                $constraint->aspectRatio();
+            });
+        } elseif (! empty($height)) {
+            $img->resize(null, $height, function ($constraint) {
+                $constraint->aspectRatio();
+            });
+        }
+        return $img;
+    }
+}

app/Http/Controllers/Api/Assets/UploadFileController.php

@@ -72,6 +72,14 @@ public function store(Request $request)
                 'url' => $request->get('url'),
                 'user' => $request->user(),
             ]);
+        } elseif($request->hasFile('file')) {
+            $file = $request->file('file')->getRealPath();
+            $asset = $this->uploadFromDirectFile([
+                'mime' => $request->file('file')->getClientMimeType(),
+                'content' => file_get_contents($file),
+                'Content-Length' => $request->header('Content-Length'),
+                'user' => $request->user(),
+            ]);
         } else {
             $body = ! (base64_decode($request->getContent())) ? $request->getContent() : base64_decode($request->getContent());
             $asset = $this->uploadFromDirectFile([

app/Transformers/Assets/AssetTransformer.php

@@ -21,6 +21,10 @@ public function transform(Asset $model)
             'type' => $model->type,
             'path' => $model->path,
             'mime' => $model->mime,
+            'links' => [
+                'full' => url('api/assets/'.$model->uuid),
+                'thumb' => url('api/assets/'.$model->uuid.'?width=200&height=200')
+            ],
             'created_at' => $model->created_at->toIso8601String(),
         ];
     }

composer.json

@@ -16,6 +16,8 @@
         "php": "^7.1.3",
         "dingo/api": "2.0.0-alpha2",
         "fideloper/proxy": "~4.0",
+        "intervention/image": "^2.4",
+        "intervention/imagecache": "^2.3",
         "laravel/framework": "5.7.*",
         "laravel/passport": "^7.0",
         "laravel/tinker": "~1.0",