API return an error with empty quote

Fix #4137

src/Wallabag/AnnotationBundle/Entity/Annotation.php

@@ -60,6 +60,7 @@ class Annotation
     /**
      * @var string
      *
+     * @Assert\NotNull()
      * @Assert\Length(
      *     max = 10000,
      *     maxMessage = "validator.quote_length_too_high"

src/Wallabag/AnnotationBundle/Form/NewAnnotationType.php

@@ -18,6 +18,7 @@ class NewAnnotationType extends AbstractType
             ])
             ->add('quote', null, [
                 'empty_data' => null,
+                'trim' => false,
             ])
             ->add('ranges', CollectionType::class, [
                 'entry_type' => RangeType::class,

src/Wallabag/ApiBundle/Controller/AnnotationRestController.php

@@ -37,7 +37,7 @@ class AnnotationRestController extends WallabagRestController
      * @ApiDoc(
      *      requirements={
      *          {"name"="ranges", "dataType"="array", "requirement"="\w+", "description"="The range array for the annotation"},
-     *          {"name"="quote", "dataType"="string", "required"=false, "description"="Optional, quote for the annotation"},
+     *          {"name"="quote", "dataType"="string", "required"=true, "description"="Quote for the annotation"},
      *          {"name"="text", "dataType"="string", "required"=true, "description"=""},
      *      }
      * )

tests/Wallabag/AnnotationBundle/Controller/AnnotationControllerTest.php

@@ -107,6 +107,36 @@ class AnnotationControllerTest extends WallabagAnnotationTestCase
         $this->assertSame('my annotation', $annotation->getText());
     }
 
+    public function testCouldNotSetAnnotationWithoutQuote()
+    {
+        $em = $this->client->getContainer()->get('doctrine.orm.entity_manager');
+
+        /** @var Entry $entry */
+        $entry = $em
+            ->getRepository('WallabagCoreBundle:Entry')
+            ->findOneByUsernameAndNotArchived('admin');
+
+        $headers = ['CONTENT_TYPE' => 'application/json'];
+        $content = json_encode([
+            'text' => 'my annotation',
+            'quote' => null,
+            'ranges' => [
+                ['start' => '', 'startOffset' => 24, 'end' => '', 'endOffset' => 31],
+            ],
+        ]);
+        $this->client->request('POST', '/api/annotations/' . $entry->getId() . '.json', [], [], $headers, $content);
+
+        $this->assertSame(400, $this->client->getResponse()->getStatusCode());
+
+        $content = json_decode($this->client->getResponse()->getContent(), true);
+
+        $this->assertCount(
+            1,
+            $content['errors']['children']['quote']['errors'],
+            'The quote field should contains an error'
+        );
+    }
+
     /**
      * @dataProvider dataForEachAnnotations
      */