psr

src/AppBundle/GraphQL/Mutation/Band/AddBandField.php

@@ -10,10 +10,8 @@
 use Youshido\GraphQL\Config\Field\FieldConfig;
 use Youshido\GraphQL\Execution\ResolveInfo;
 use Youshido\GraphQL\Type\AbstractType;
-use Youshido\GraphQL\Type\ListType\ListType;
 use Youshido\GraphQL\Type\NonNullType;
 use Youshido\GraphQL\Type\Object\AbstractObjectType;
-use Youshido\GraphQL\Type\Scalar\StringType;
 use Youshido\GraphQLBundle\Field\AbstractContainerAwareField;
 
 class AddBandField extends AbstractContainerAwareField

src/AppBundle/GraphQL/Mutation/Style/AddStyleField.php

@@ -8,10 +8,8 @@
 use Youshido\GraphQL\Config\Field\FieldConfig;
 use Youshido\GraphQL\Execution\ResolveInfo;
 use Youshido\GraphQL\Type\AbstractType;
-use Youshido\GraphQL\Type\ListType\ListType;
 use Youshido\GraphQL\Type\NonNullType;
 use Youshido\GraphQL\Type\Object\AbstractObjectType;
-use Youshido\GraphQL\Type\Scalar\StringType;
 use Youshido\GraphQLBundle\Field\AbstractContainerAwareField;
 
 class AddStyleField extends AbstractContainerAwareField
@@ -21,7 +19,7 @@ public function build(FieldConfig $config)
         $config->addArguments([
             'style' => new NonNullType(new StyleTypeInput()),
         ]);
-        $config->setDescription("Add new Style");
+        $config->setDescription('Add new Style');
     }
 
     public function resolve($value, array $args, ResolveInfo $info)

src/AppBundle/GraphQL/Query/Band/BandsFieldByStyle.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace AppBundle\GraphQL\Query\Band;
+
+use AppBundle\Entity\Band;
+use AppBundle\GraphQL\Type\BandType;
+use Youshido\GraphQL\Execution\ResolveInfo;
+use Youshido\GraphQL\Type\AbstractType;
+use Youshido\GraphQL\Type\ListType\ListType;
+use Youshido\GraphQL\Type\Object\AbstractObjectType;
+use Youshido\GraphQL\Type\Scalar\StringType;
+use Youshido\GraphQLBundle\Field\AbstractContainerAwareField;
+use Youshido\GraphQL\Config\Field\FieldConfig;
+
+class BandsFieldByStyle extends AbstractContainerAwareField
+{
+    public function build(FieldConfig $config)
+    {
+        $config->addArguments([
+            'style_name' => new StringType(),
+        ]);
+    }
+
+    public function resolve($value, array $args, ResolveInfo $info)
+    {
+        $em = $this->container->get('doctrine')->getManager();
+        $repository = $em->getRepository(Band::class);
+
+        return $repository->findByStyleName($args['style_name']);
+    }
+
+    /**
+     * @return AbstractObjectType|AbstractType
+     */
+    public function getType()
+    {
+        return new ListType(new BandType());
+    }
+}

src/AppBundle/GraphQL/Type/BandTypeInput.php

@@ -18,7 +18,7 @@ public function build($config)
     {
         $config->addFields([
             'name' => new StringType(),
-            'style' => new IdType()
+            'style' => new IdType(),
         ]);
     }
 }

src/AppBundle/GraphQL/Type/StyleTypeInput.php

@@ -16,7 +16,7 @@ class StyleTypeInput extends AbstractInputObjectType
     public function build($config)
     {
         $config->addFields([
-            'name' => new StringType()
+            'name' => new StringType(),
         ]);
     }
 }

src/AppBundle/Repository/BandRepository.php

@@ -12,6 +12,7 @@ class BandRepository extends \Doctrine\ORM\EntityRepository
 {
     /**
      * @param $styleName
+     *
      * @return array
      */
     public function findByStyleName($styleName)