Resolve self depreciation

src/Wallabag/CoreBundle/Command/UpdatePicturesPathCommand.php

@@ -46,11 +46,15 @@ class UpdatePicturesPathCommand extends Command
         $io->text('Retrieve existing entries');
         $i = 1;
         foreach ($query->toIterable() as $entry) {
-            $content = str_replace($oldUrl, $this->wallabagUrl, $entry->getContent());
+            $content = $entry->getContent();
-            $entry->setContent($content);
+            if (null !== $content) {
+                $entry->setContent(str_replace($oldUrl, $this->wallabagUrl, $content));
+            }
 
-            $previewPicture = str_replace($oldUrl, $this->wallabagUrl, $entry->getPreviewPicture());
+            $previewPicture = $entry->getPreviewPicture();
-            $entry->setPreviewPicture($previewPicture);
+            if (null !== $previewPicture) {
+                $entry->setPreviewPicture(str_replace($oldUrl, $this->wallabagUrl, $previewPicture));
+            }
 
             if (0 === ($i % 20)) {
                 $this->entityManager->flush();

src/Wallabag/CoreBundle/Controller/EntryController.php

@@ -518,7 +518,7 @@ class EntryController extends AbstractController
         );
 
         // don't redirect user to the deleted entry (check that the referer doesn't end with the same url)
-        $prev = $request->getSession()->get('prevUrl');
+        $prev = $request->getSession()->get('prevUrl', '');
         $to = (1 !== preg_match('#' . $url . '$#i', $prev) ? $prev : null);
 
         $redirectUrl = $this->redirectHelper->to($to);

src/Wallabag/CoreBundle/Controller/TagController.php

@@ -45,7 +45,7 @@ class TagController extends AbstractController
         $form = $this->createForm(NewTagType::class, new Tag());
         $form->handleRequest($request);
 
-        $tags = $form->get('label')->getData();
+        $tags = $form->get('label')->getData() ?? '';
         $tagsExploded = explode(',', $tags);
 
         // avoid too much tag to be added

src/Wallabag/CoreBundle/Form/Type/EntryFilterType.php

@@ -94,7 +94,7 @@ class EntryFilterType extends AbstractType
             ->add('domainName', TextFilterType::class, [
                 'apply_filter' => function (QueryInterface $filterQuery, $field, $values) {
                     $value = $values['value'];
-                    if (\strlen($value) <= 2 || empty($value)) {
+                    if (empty($value) || \strlen($value) <= 2) {
                         return false;
                     }
                     $expression = $filterQuery->getExpr()->like($field, $filterQuery->getExpr()->lower($filterQuery->getExpr()->literal('%' . $value . '%')));

src/Wallabag/CoreBundle/Twig/WallabagExtension.php

@@ -58,11 +58,19 @@ class WallabagExtension extends AbstractExtension implements GlobalsInterface
 
     public function removeWww($url)
     {
+        if (!\is_string($url)) {
+            return $url;
+        }
+
         return preg_replace('/^www\./i', '', $url);
     }
 
     public function removeScheme($url)
     {
+        if (!\is_string($url)) {
+            return $url;
+        }
+
         return preg_replace('#^https?://#i', '', $url);
     }
 

tests/Wallabag/CoreBundle/Twig/WallabagExtensionTest.php

@@ -59,6 +59,7 @@ class WallabagExtensionTest extends TestCase
         $this->assertSame('lemonde.fr', $extension->removeScheme('lemonde.fr'));
         $this->assertSame('gist.github.com', $extension->removeScheme('gist.github.com'));
         $this->assertSame('gist.github.com', $extension->removeScheme('https://gist.github.com'));
+        $this->assertSame('gist.github.com', $extension->removeScheme('http://gist.github.com'));
     }
 
     public function testRemoveSchemeAndWww()
@@ -82,8 +83,10 @@ class WallabagExtensionTest extends TestCase
         $extension = new WallabagExtension($entryRepository, $tagRepository, $tokenStorage, 0, $translator, '');
 
         $this->assertSame('lemonde.fr', $extension->removeSchemeAndWww('www.lemonde.fr'));
+        $this->assertSame('lemonde.fr', $extension->removeSchemeAndWww('http://www.lemonde.fr'));
         $this->assertSame('lemonde.fr', $extension->removeSchemeAndWww('http://lemonde.fr'));
         $this->assertSame('lemonde.fr', $extension->removeSchemeAndWww('https://www.lemonde.fr'));
+        $this->assertSame('lemonde.fr', $extension->removeSchemeAndWww('https://lemonde.fr'));
         $this->assertSame('gist.github.com', $extension->removeSchemeAndWww('https://gist.github.com'));
         $this->assertSame('ftp://gist.github.com', $extension->removeSchemeAndWww('ftp://gist.github.com'));
     }