feat(file management): added all CRUD coverage and index with filters

Here the filters guide: https://laravel.io/articles/filter-eloquent-models-with-multiple-optional-filters

app/Filters/FileFilters.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Filters;
+
+class FileFilters
+{
+    protected $filters = [
+        'track_title' => GenericFilter::class,
+        'artist_name' => GenericFilter::class,
+        'genre' => GenericFilter::class,
+        'label' => GenericFilter::class,
+        'composer' => GenericFilter::class,
+        'per_page' => 20
+    ];
+
+    public function apply($query)
+    {
+        foreach ($this->receivedFilters() as $name => $value) {
+            if ($name != 'per_page') {
+                $filterInstance = new $this->filters[$name];
+                $query = $filterInstance($query, $name, $value);
+            }
+        }
+
+        return $query;
+    }
+
+
+    public function receivedFilters()
+    {
+        return request()->only(array_keys($this->filters));
+    }
+}

app/Filters/GenericFilter.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Filters;
+
+class GenericFilter
+{
+    function __invoke($query, $whereToSearch, $textToSearch) {
+        return $query->where(function($query) use ($whereToSearch, $textToSearch) {
+            $query->whereLike($whereToSearch, $textToSearch);
+        });
+    }
+}

app/Http/Controllers/FileController.php

@@ -2,9 +2,11 @@
 
 namespace App\Http\Controllers;
 
+use App\Filters\FileFilters;
 use App\Helpers\LengthFormatter;
 use App\Lib\RabbitMQSender;
 use App\Models\File;
+use App\Models\TrackType;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Storage;
 
@@ -26,18 +28,35 @@ class FileController extends Controller
         'app_id' => 'shortstr',
         'cluster_id' => 'shortstr',
     );
-    public function index() {
+
-        //ToDo
+
+    public function index(FileFilters $filters) {
+
+        if (!isset($filters->per_page) || is_null($filters)) {
+            $pagination = 20;
+        } else {
+            $pagination = $filters->per_page;
         }
 
+        return File::filter($filters)->cursorPaginate($pagination)->toJson();
+    }
+
+    /**
+     * Save first data into cc_files row and  the file in libretime-tmp storage,
+     * then send a message to Analyzer to move it to libretime-storage (then Analyzer
+     * call the update method)
+     * @param Request $request
+     * @return void
+     * @throws \Exception
+     */
     public function store(Request $request) {
 
-//        $user = Auth::user();
+        $user = Auth::user();
-//
+
-//        //Accept request only from logged-in users
+        //Accept request only from logged-in users
-//        if (!$user) {
+        if (!$user) {
-//            throw new \Exception("You must be logged in");
+            throw new \Exception("You must be logged in");
-//        }
+        }
 
         //Mime type list: https://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
         $request->validate([
@@ -55,7 +74,7 @@ class FileController extends Controller
             'md5' => md5($request->file('file')->getRealPath()),
             'length' => $time->format(), //preparare helper che trasforma tempo in 0 years 0 mons 0 days 0 hours 0 mins 0.0 secs
             'file_exists' => true,
-            'owner_id' => 1, //$user->id, //Get the user ID
+            'owner_id' => $user->id, //Get the user ID
             'cuein' => $time->format(), //preparare helper che trasforma tempo in 0 years 0 mons 0 days 0 hours 0 mins 0.0 secs
             'cueout' => $time->format(), //preparare helper che trasforma tempo in 0 years 0 mons 0 days 0 hours 0 mins 0.0 secs
             'silan_check' => false,
@@ -70,29 +89,56 @@ class FileController extends Controller
 
         RabbitMQSender::SendMessageToAnalyzer(
             $tmpFile->getPathname(),
-            Storage::disk('libretime-upload')->path('').'/'.'1', //$user->id,
+            Storage::disk('libretime-upload')->path('').'/'.$user->id,
             $originalName,
             $dbFile->id,
             $dbFile->track_type_id
         );
     }
 
+    /**
+     * Retrieve a single file metadata
+     * @param $id
+     * @return mixed
+     */
     public function show($id) {
-        //Todo
+        return File::whereId($id)->toJson();
     }
 
+    /**
+     * Update a cc_files row, either with metadata from Analyzer or
+     * with manually updated metadata
+     * @param Request $request
+     * @param $id
+     * @return mixed
+     */
     public function update(Request $request, $id) {
-        //ToDo
+        $file = File::whereId($id)->first();
+
+        $request->length = new LengthFormatter($request->length);
+
+        //Check if there is a track type id, if not add "MUSIC" id
+        if (is_null($file->track_type_id)) {
+            $request->track_type_id = TrackType::where('code','MUSICA')->first()->id;
         }
 
+        $file->fill($request->all())->save();
+        return $file->toJson();
+    }
+
+    /**
+     * Delete file from storage and DB
+     * @param $id
+     * @return true
+     */
     public function destroy($id) {
-        //ToDo
+        $file = File::whereId($id)->first();
-    }
+        Storage::disk('libretime')->delete($file->filepath);
-
+        $file->delete();
-    public function upload(Request $request) {
+        return true;
-
     }
 
+    //Test Method, must be deleted before finishing
     public function test() {
         return view('upload');
     }

app/Models/File.php

@@ -89,4 +89,8 @@ class File extends Model
     public function trackType() {
         return $this->belongsTo(TrackType::class, 'track_type_id');
     }
+
+    public function scopeFilter($query, $filters) {
+        return $filters->apply($query);
+    }
 }