Cleanup statuses

demos/_demo-data/create-db.php

@@ -23,9 +23,7 @@
 $fileModel->addField('token', ['required' => true]);
 $fileModel->addField('location', ['type' => 'text']);
 $fileModel->addField('url', ['type' => 'text']);
-$fileModel->addField('storage');
 $fileModel->addField('status');
-$fileModel->addField('source_file_id', ['type' => 'integer']);
 $fileModel->addField('meta_filename');
 $fileModel->addField('meta_extension');
 $fileModel->addField('meta_md5');

demos/index.php

@@ -9,7 +9,10 @@
 use Atk4\Filestore\Model\File;
 use Atk4\Ui\Callback;
 use Atk4\Ui\Columns;
+use Atk4\Ui\Crud;
 use Atk4\Ui\Form;
+use Atk4\Ui\Grid;
+use Atk4\Ui\Header;
 use Atk4\Ui\Js\JsExpression;
 use Atk4\Ui\View;
 use League\Flysystem\Filesystem;
@@ -34,34 +37,41 @@
 $adapter = new \League\Flysystem\Local\LocalFilesystemAdapter(__DIR__ . '/_demo-data/localfiles');
 $filesystem = new Filesystem($adapter);
 
-$col = Columns::addTo($app);
+$columnsLayout = Columns::addTo($app);
 
-$form = Form::addTo($col->addColumn());
+// new friend form
+$c1 = $columnsLayout->addColumn();
+Header::addTo($c1, ['Add New Friend']);
+$form = Form::addTo($c1);
 $form->setModel(
     (new Friend($app->db, [
         'filesystem' => $filesystem,
     ]))->createEntity()
 );
 
-$gr = \Atk4\Ui\Grid::addTo($col->addColumn(), [
-    'menu' => false,
-    'paginator' => false,
-]);
-$gr->setModel(new File($app->db));
-
-$form->onSubmit(function (Form $form) use ($gr) {
+$form->onSubmit(function (Form $form) use ($app) {
     $form->model->save();
 
-    return $gr->jsReload();
+    return $app->layout->jsReload();
 });
 
+// list all filestore files
+$c2 = $columnsLayout->addColumn();
+Header::addTo($c2, ['All Filestore Files']);
+$gr = Grid::addTo($c2, [
+    'paginator' => false,
+]);
+$files = new File($app->db, ['flysystem' => $filesystem]);
+$gr->setModel($files);
+
 View::addTo($app, ['ui' => 'divider']);
 
-$crud = \Atk4\Ui\Crud::addTo($app);
+// CRUD with all Friends records
+Header::addTo($app, ['All Friends']);
+$crud = Crud::addTo($app);
 $crud->setModel(new Friend($app->db, ['filesystem' => $filesystem]));
 
-View::addTo($app, ['ui' => 'divider']);
-
+// custom actions
 $callbackDownload = Callback::addTo($app);
 $callbackDownload->set(function () use ($crud) {
     $id = $crud->getApp()->stickyGet('row_id');

src/Field/FileField.php

@@ -59,7 +59,8 @@ protected function init(): void
         $this->fieldNameBase = preg_replace('~_id$~', '', $this->shortName);
         $this->importFields();
 
-        $this->onHookToOwnerEntity(Model::HOOK_AFTER_SAVE, function (Model $m) {
+        // on insert/update delete old file and mark new one as linked
+        $fx = function (Model $m) {
             if ($m->isDirty($this->shortName)) {
                 $old = $m->getDirtyRef()[$this->shortName];
                 $new = $m->get($this->shortName);
@@ -71,10 +72,12 @@ protected function init(): void
 
                 // mark new file as linked
                 if ($new) {
-                    $m->refModel($this->shortName)->loadBy('token', $new)->save(['status' => 'linked']);
+                    $m->refModel($this->shortName)->loadBy('token', $new)->save(['status' => File::STATUS_LINKED]);
                 }
             }
-        });
+        };
+        $this->onHookToOwnerEntity(Model::HOOK_AFTER_INSERT, $fx);
+        $this->onHookToOwnerEntity(Model::HOOK_AFTER_UPDATE, $fx);
 
         $this->onHookToOwnerEntity(Model::HOOK_AFTER_DELETE, function (Model $m) {
             $token = $m->get($this->shortName);

src/Form/Control/Upload.php

@@ -67,7 +67,7 @@ protected function deleted(string $token): ?JsExpressionable
         $model = $this->entityField->getField()->fileModel;
         $entity = $model->loadBy('token', $token);
 
-        if ($entity->get('status') === 'draft') {
+        if ($entity->get('status') === $entity::STATUS_DRAFT) {
             $entity->delete();
         }
 

src/Helper.php

@@ -13,38 +13,38 @@ class Helper
     /**
      * @return never
      */
-    public static function download(File $model, App $app): void
+    protected static function terminate(File $model, App $app): void
     {
-        $app->setResponseHeader('Content-Description', 'File Transfer');
-        $app->setResponseHeader('Content-Type', 'application/octet-stream');
-        $app->setResponseHeader('Cache-Control', 'must-revalidate');
-        $app->setResponseHeader('Expires', '-1');
-        $app->setResponseHeader('Content-Disposition', 'attachment; filename="' . $model->get('meta_filename') . '"');
-        $app->setResponseHeader('Content-Length', (string) $model->get('meta_size'));
-        $app->setResponseHeader('Pragma', 'public');
-        $app->setResponseHeader('Accept-Ranges', 'bytes');
+        $path = $model->get('location');
+        $resource = $model->flysystem->readStream($path);
+        $stream = (new Psr17Factory())->createStreamFromResource($resource);
 
-        static::output($model, $app);
+        $app->terminate($stream);
     }
 
     /**
      * @return never
      */
-    protected static function output(File $model, App $app): void
+    public static function download(File $model, App $app): void
     {
-        $path = $model->get('location');
-        $resource = $model->flysystem->readStream($path);
-        $stream = (new Psr17Factory())->createStreamFromResource($resource);
+        $app->setResponseHeader('Content-Description', 'Download File');
+        $app->setResponseHeader('Content-Type', $model->get('meta_mime_type'));
+        $app->setResponseHeader('Cache-Control', 'must-revalidate');
+        $app->setResponseHeader('Expires', '-1');
+        $app->setResponseHeader('Content-Disposition', 'attachment; filename="' . $model->get('meta_filename') . '"');
+        $app->setResponseHeader('Content-Length', (string) $model->get('meta_size'));
+        $app->setResponseHeader('Pragma', 'public');
+        $app->setResponseHeader('Accept-Ranges', 'bytes');
 
-        $app->terminate($stream);
+        static::terminate($model, $app);
     }
 
     /**
      * @return never
      */
     public static function view(File $model, App $app): void
     {
-        $app->setResponseHeader('Content-Description', 'File Transfer');
+        $app->setResponseHeader('Content-Description', 'View File');
         $app->setResponseHeader('Content-Type', $model->get('meta_mime_type'));
         $app->setResponseHeader('Cache-Control', 'must-revalidate');
         $app->setResponseHeader('Expires', '-1');
@@ -53,6 +53,6 @@ public static function view(File $model, App $app): void
         $app->setResponseHeader('Pragma', 'public');
         $app->setResponseHeader('Accept-Ranges', 'bytes');
 
-        static::output($model, $app);
+        static::terminate($model, $app);
     }
 }

src/Model/File.php

@@ -13,34 +13,30 @@ class File extends Model
 
     public ?string $titleField = 'meta_filename';
 
+    /** All uploaded files first get this status */
+    public const STATUS_DRAFT = 'draft';
+    /** When file is linked to some other model */
+    public const STATUS_LINKED = 'linked';
+    /** @const list<string> */
+    public const ALL_STATUSES = [
+        self::STATUS_DRAFT,
+        self::STATUS_LINKED,
+    ];
+
     /** @var Filesystem */
     public $flysystem;
 
-    public function newFile(): Model
-    {
-        $entity = $this->createEntity();
-
-        $entity->set('token', uniqid('token-'));
-        $entity->set('location', uniqid('file-') . '.bin');
-
-        return $entity;
-    }
-
     protected function init(): void
     {
         parent::init();
 
         $this->addField('token', ['system' => true, 'type' => 'string', 'required' => true]);
         $this->addField('location');
         $this->addField('url');
-        $this->addField('storage');
-        $this->hasOne('source_file_id', [
-            'model' => [self::class],
-        ]);
 
         $this->addField('status', [
-            'enum' => ['draft', 'uploaded', 'thumbok', 'normalok', 'ready', 'linked'],
-            'default' => 'draft',
+            'enum' => self::ALL_STATUSES,
+            'default' => self::STATUS_DRAFT,
         ]);
 
         $this->addField('meta_filename');
@@ -52,10 +48,26 @@ protected function init(): void
         $this->addField('meta_image_width', ['type' => 'integer']);
         $this->addField('meta_image_height', ['type' => 'integer']);
 
-        $this->onHook(Model::HOOK_BEFORE_DELETE, function (self $m) {
-            if ($m->flysystem) { // @phpstan-ignore-line
-                $m->flysystem->delete($m->get('location'));
+        // delete physical file from storage after we delete DB record
+        $this->onHook(Model::HOOK_AFTER_DELETE, function (self $m) {
+            $path = $m->get('location');
+            if ($path && $m->flysystem->fileExists($path)) {
+                $m->flysystem->delete($path);
             }
         });
     }
+
+    /**
+     * @return static
+     */
+    public function newFile(): Model
+    {
+        $this->assertIsModel();
+
+        $entity = $this->createEntity();
+        $entity->set('token', uniqid('token-'));
+        $entity->set('location', uniqid('file-') . '.bin');
+
+        return $entity;
+    }
 }