FEATURE #1337: add file upload

This commit registers new items into admin menu and adds functionality for uploading files.

app/Http/Controllers/Admin/UploadFile.php

@@ -0,0 +1,97 @@
+<?php
+namespace App\Http\Controllers\Admin;
+
+use App\Http\Requests\UploadFileRequest;
+use App\Http\Requests\UploadImageRequest;
+use App\Models\File;
+use Symfony\Component\HttpFoundation\File\Exception\FileException;
+
+class UploadFile extends Controller
+{
+    /**
+     * @var File
+     */
+    private $file;
+
+    function __construct(File $file)
+    {
+        parent::__construct();
+        $this->file = $file;
+    }
+
+    public function getFile()
+    {
+        return view('admin/fileManager.newFile');
+    }
+
+    public function getImage()
+    {
+    }
+
+    /**
+     * Uploads any file
+     *
+     * @param UploadFileRequest $request
+     *
+     * @return \Illuminate\Http\RedirectResponse
+     */
+    public function postFile(UploadFileRequest $request)
+    {
+        if (!$request->hasFile('file')) {
+            return $this->invalidUpload('noFileSpecified');
+        }
+
+        try {
+            $uploadedFile = $this->file->upload($request->file('file'), $request);
+
+            // we do not want to redirect
+            if ($request->ajax()) {
+                return $this->jsonResponse($uploadedFile);
+            }
+
+            // upload was not performed via ajax, redirect user
+            return redirect()
+                ->route('upload.file')
+                ->with('success', trans('admin/fileManager.uploadSuccessfull'));
+        } catch (FileException $e) {
+            return $this->invalidUpload('invalidFile');
+        }
+    }
+
+    protected function invalidUpload($message)
+    {
+        return redirect()
+            ->route('upload.file')
+            ->with('error', trans('admin/fileManager.' . $message));
+    }
+
+    /**
+     * Uploads only images
+     *
+     * @param UploadImageRequest $request
+     */
+    public function postImage(UploadImageRequest $request)
+    {
+    }
+
+    /**
+     * Send response about uploaded file as JSON
+     *
+     * @param $uploadedFile
+     *
+     * @return \Illuminate\Http\JsonResponse
+     */
+    private function jsonResponse($uploadedFile)
+    {
+        $filename = $uploadedFile['file']->getFilename();
+        $url = config('app.upload_path') . DIRECTORY_SEPARATOR . $filename;
+
+        $data = [
+            'filename' => $filename,
+            'url'      => $url,
+            'id'       => $uploadedFile['id']
+        ];
+
+        return response()->json($data);
+    }
+}

app/Http/Controllers/Admin/Uploader.php

@@ -1,26 +0,0 @@
-<?php
-namespace App\Http\Controllers\Admin;
-
-use App\Http\Requests\UploadFileRequest;
-use App\Http\Requests\UploadImageRequest;
-
-class Uploader extends Controller
-{
-    /**
-     * Uploads any file
-     *
-     * @param UploadFileRequest $request
-     */
-    public function postFile(UploadFileRequest $request)
-    {
-    }
-
-    /**
-     * Uploads only images
-     *
-     * @param UploadImageRequest $request
-     */
-    public function postImage(UploadImageRequest $request)
-    {
-    }
-}

app/Http/Requests/UploadFileRequest.php

@@ -2,17 +2,13 @@
 
 namespace App\Http\Requests;
 
-class UploadFileRequest extends Request
+class UploadFileRequest extends UploadRequest
 {
     /**
-     * Get the validation rules that apply to the request.
-     *
-     * @return array
+     * @internal param array $rules
      */
-    public function rules()
+    protected function setRules()
     {
-        return [
-            'file' => 'required'
-        ];
+        $this->rules = ['file' => 'required|image'];
     }
 }

app/Http/Requests/UploadRequest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Requests;
+
+abstract class UploadRequest extends Request
+{
+    protected $rules = [];
+
+    abstract protected function setRules();
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        // some globaly defined rules
+        $rules = [
+            'keywords' => 'max:255'
+        ];
+
+        // setup additional rules
+        $this->setRules();
+
+        foreach ($this->rules as $field => $rule) {
+            $rules[$field] = $rule;
+        }
+
+        return $rules;
+    }
+}

app/Http/routes.php

@@ -90,12 +90,16 @@ Route::group([
          ->name('history.diff');
 
     // uploader methods
-    Route::post('upload/file', 'Uploader@postFile')
+    Route::get('upload/file', 'UploadFile@getFile')
          ->name('upload.file');
 
     Route::post('upload/image', 'Uploader@postImage')
          ->name('upload.image');
 
+    // uploader methods
+    Route::post('upload/file', 'UploadFile@postFile')
+         ->name('upload.postFile');
+
     // custom fields
     // ------------------------------