Change format for upload

src/MediaController.php

@@ -50,6 +50,9 @@ class MediaController
             $file = new MediaFile($c['name']);
             $file->setBasename($collection->runCallback('forceFileName', $model, $file->getBasename()));
 
+            if ($collection->runCallback('convert') !== null) {
+                $file->setExtension($collection->runCallback('convert'));
+            }
             $adder = $this->fileAdderFromData($model, $c['content'], $collection)
                 ->usingName($file->getBasename())
                 ->usingFileName($file->getFilename())

tests/Feature/UploadTest.php

@@ -34,6 +34,25 @@ test('it uploads a single file to a single file collection', function () {
     $response->assertJsonMissingPath('model_id');
 });
 
+test('it changes format', function () {
+    $this->auth()->registerModel();
+    $post = $this->newPost();
+    $content = base64_encode($this->pngFile()->getContent());
+
+    $response = $this->postJson('/mediaupload', [
+        'parent' => ['model' => 'post', 'collection_name' => 'singleJpegFile', 'id' => $post->id],
+        'payload' => [
+            'content' => $content,
+            'name' => 'beispiel bild.png',
+        ],
+    ]);
+
+    $response->assertStatus(201)
+        ->assertJsonPath('size', 366471)
+        ->assertJsonPath('file_name', 'beispiel-bild.jpg')
+        ->assertJsonPath('mime_type', 'image/jpeg');
+});
+
 test('it uploads a single image to a single file collection', function () {
     $this->auth()->registerModel()->withoutExceptionHandling();
     $post = $this->newPost();