Add default file

src/CollectionExtension.php

@@ -34,6 +34,11 @@ class CollectionExtension
                 return fn ($callback) => $this->registerCustomCallback('withPropertyValidation', $callback);
             }
 
+            public function withFallback()
+            {
+                return fn ($callback) => $this->registerCustomCallback('withFallback', $callback);
+            }
+
             public function runCallback()
             {
                 return function (string $callback, ...$parameters) {
@@ -65,6 +70,7 @@ class CollectionExtension
                         'storing' => fn ($adder, $name) => $adder,
                         'withDefaultProperties' => fn ($path) => [],
                         'withPropertyValidation' => fn ($path) => [],
+                        'withFallback' => fn ($parent) => null,
                     ]);
                 };
             }

src/MediaController.php

@@ -74,18 +74,23 @@ class MediaController
         return MediaData::from($media);
     }
 
-    public function index(Request $request, $parentModel, int $parentId, string $collection): MediaData|DataCollection
+    public function index(Request $request, $parentModel, int $parentId, string $collectionName): MediaData|DataCollection
     {
         $model = app('media-library-helpers')->get($parentModel);
         $model = $model::find($parentId);
         $this->authorize('listMedia', $model);
-        $isSingle = 1 === $model->getMediaCollection($collection)->collectionSizeLimit;
+        $collection = $model->getMediaCollection($collectionName);
+        $isSingle = 1 === $collection->collectionSizeLimit;
 
-        abort_if($isSingle && !$model->getFirstMedia($collection), 404);
+        abort_if($isSingle && !$model->getFirstMedia($collectionName) && !MediaData::defaultFromCollection($model, $collection), 404);
+
+        if ($isSingle && !$model->getFirstMedia($collectionName)) {
+            return MediaData::defaultFromCollection($model, $collection);
+        }
 
         return $isSingle
-            ? MediaData::from($model->getFirstMedia($collection))
-            : MediaData::collection($model->getMedia($collection));
+            ? MediaData::from($model->getFirstMedia($collectionName))
+            : MediaData::collection($model->getMedia($collectionName));
     }
 
     public function destroy(Media $media, Request $request): JsonResponse

src/MediaData.php

@@ -2,17 +2,20 @@
 
 namespace Zoomyboy\MedialibraryHelper;
 
+use Illuminate\Support\Facades\Storage;
 use Spatie\LaravelData\Attributes\MapInputName;
 use Spatie\LaravelData\Attributes\MapOutputName;
 use Spatie\LaravelData\Data;
 use Spatie\LaravelData\Mappers\SnakeCaseMapper;
+use Spatie\MediaLibrary\HasMedia;
+use Spatie\MediaLibrary\MediaCollections\MediaCollection;
 use Spatie\MediaLibrary\MediaCollections\Models\Media;
 
 #[MapInputName(SnakeCaseMapper::class)]
 #[MapOutputName(SnakeCaseMapper::class)]
 class MediaData extends Data
 {
-    public int $id;
+    public ?int $id;
 
     public string $originalUrl;
 
@@ -27,8 +30,36 @@ class MediaData extends Data
     #[MapInputName('custom_properties')]
     public array $properties;
 
+    public array $conversions = [];
+
     public static function fromMedia(Media $media): self
     {
-        return self::withoutMagicalCreationFrom($media);
+        $conversions = collect($media->getMediaConversionNames())->flip()->map(fn ($integer, $conversion) => [
+            'original_url' => $media->getFullUrl($conversion),
+        ]);
+
+        return self::withoutMagicalCreationFrom([
+            ...$media->toArray(),
+            'conversions' => $conversions->toArray(),
+        ]);
+    }
+
+    public static function defaultFromCollection(HasMedia $parent, MediaCollection $collection): ?self
+    {
+        $default = $collection->runCallback('withFallback', $parent);
+
+        if (is_null($default)) {
+            return null;
+        }
+
+        return static::from([
+            'id' => null,
+            'originalUrl' => Storage::disk($default[1])->url($default[0]),
+            'size' => -1,
+            'collection_name' => $collection->name,
+            'name' => pathinfo($default[0], PATHINFO_FILENAME),
+            'file_name' => pathinfo($default[0], PATHINFO_BASENAME),
+            'properties' => [],
+        ]);
     }
 }

src/ServiceProvider.php

@@ -18,7 +18,7 @@ class ServiceProvider extends BaseServiceProvider
         app(Router::class)->group($this->routeGroup(), function ($router) {
             $router->post('mediaupload', [MediaController::class, 'store'])->name('media.store');
             $router->delete('mediaupload/{media}', [MediaController::class, 'destroy'])->name('media.destroy');
-            $router->get('mediaupload/{parent_model}/{parent_id}/{collection}', [MediaController::class, 'index'])->name('media.index');
+            $router->get('mediaupload/{parent_model}/{parent_id}/{collection_name}', [MediaController::class, 'index'])->name('media.index');
             $router->patch('mediaupload/{media}', [MediaController::class, 'update'])->name('media.update');
         });
 

tests/Feature/IndexTest.php

@@ -2,6 +2,8 @@
 
 namespace Zoomyboy\MedialibraryHelper\Tests\Feature;
 
+use Illuminate\Support\Facades\Storage;
+
 test('it gets all medias', function () {
     $this->auth()->registerModel();
     $post = $this->newPost();
@@ -46,3 +48,27 @@ test('it returns 404 when media not found', function () {
 
     $response->assertStatus(404);
 });
+
+test('test it gets conversions for single media', function () {
+    $this->auth()->registerModel();
+    $post = $this->newPost();
+    $media = $post->addMedia($this->jpgFile()->getPathname())->preservingOriginal()->toMediaCollection('conversionsWithDefault');
+
+    $response = $this->getJson("/mediaupload/post/{$post->id}/conversionsWithDefault");
+
+    $response->assertStatus(200);
+    $response->assertJsonPath('conversions.tiny.original_url', $media->getFullUrl('tiny'));
+});
+
+test('test it gets default single media', function () {
+    $this->auth()->registerModel();
+    $post = $this->newPost();
+
+    $response = $this->getJson("/mediaupload/post/{$post->id}/conversionsWithDefault");
+
+    $response->assertStatus(200);
+    $response->assertJsonPath('id', null);
+    $response->assertJsonPath('original_url', Storage::disk('public')->url('default.jpg'));
+    $response->assertJsonPath('name', 'default');
+    $response->assertJsonPath('file_name', 'default.jpg');
+});

tests/Models/Post.php

@@ -20,6 +20,13 @@ class Post extends Model implements HasMedia
     {
         $this->addMediaCollection('defaultSingleFile')->singleFile();
 
+        $this->addMediaCollection('conversionsWithDefault')
+             ->singleFile()
+             ->withFallback(fn ($parent) => ['default.jpg', 'public'])
+             ->registerMediaConversions(function () {
+                 $this->addMediaConversion('tiny')->width(200)->height(200);
+             });
+
         $this->addMediaCollection('images');
 
         $this->addMediaCollection('singleForced')->singleFile()->forceFileName(function ($name) {

tests/TestCase.php

@@ -37,6 +37,11 @@ class TestCase extends BaseTestCase
         return $this->getFile('pdf.pdf', $filename ?: 'pdf.pdf');
     }
 
+    protected function jpgFile(?string $filename = null): File
+    {
+        return $this->getFile('jpg.jpg', $filename ?: 'jpg.jpg');
+    }
+
     protected function getFile(string $location, string $as): File
     {
         $path = __DIR__.'/stubs/'.$location;