Add set filter form

app/config/services.yml

@@ -5,6 +5,11 @@ services:
     client.rebrickable:
         class: AppBundle\Client\Rebrickable\Rebrickable
         arguments: ['%rebrickable_apikey%']
-    service.collection:
+    app.collection_service:
         class: AppBundle\Service\CollectionService
-        arguments: ['@client.brickset','@client.rebrickable']
+        arguments: ['@client.brickset','@client.rebrickable']
+    app.form.filter_set:
+        class: AppBundle\Form\FilterSetType
+        arguments: ['@app.collection_service']
+        tags:
+            - { name: form.type }

src/AppBundle/Form/FilterSetType.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace AppBundle\Form;
+
+use AppBundle\Client\Brickset\Entity\Subtheme;
+use AppBundle\Client\Brickset\Entity\Theme;
+use AppBundle\Client\Brickset\Entity\Year;
+use AppBundle\Service\CollectionService;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\Form;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\Form\FormEvent;
+use Symfony\Component\Form\FormEvents;
+
+class FilterSetType extends AbstractType
+{
+    private $collectionService;
+
+    public function __construct(CollectionService $collectionService)
+    {
+        $this->collectionService = $collectionService;
+    }
+
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder
+            ->add("theme", ChoiceType::class, [
+                'choices' => $this->collectionService->getThemes(),
+                'choice_label' => function(Theme $theme = null) {
+                    return $theme ? $theme->getTheme().' ('.$theme->getSetCount().')' : '';
+                },
+                'placeholder' => '',
+                'required' => false
+
+            ]);
+
+        $formModifier = function (Form $form, Theme $theme = null) {
+            $subthemes = null === $theme ? [] : $this->collectionService->getSubthemesByTheme($theme);
+            $years = null === $theme ? [] : $this->collectionService->getYearsByTheme($theme);
+
+            $form->add("subtheme", ChoiceType::class, [
+                'choices' => $subthemes,
+                'choice_label' => function(Subtheme $subtheme = null) {
+                    return $subtheme ? $subtheme->getSubtheme() : '';
+                },
+                'placeholder' => '',
+                'required' => false
+            ]);
+
+            $form->add("years", ChoiceType::class, [
+                'choices' => $years,
+                'choice_label' => function(Year $year = null) {
+                    return $year ? $year->getYear() : '';
+                },
+                'placeholder' => '',
+                'required' => false
+            ]);
+        };
+
+        $builder->addEventListener(
+            FormEvents::PRE_SET_DATA,
+            function (FormEvent $event) use ($formModifier) {
+                $data = $event->getData();
+                $theme = $data === null ? null : $this->collectionService->getThemes()[$data['theme']];
+                $formModifier($event->getForm(), $theme);
+            }
+        );
+
+        $builder->get('theme')->addEventListener(
+            FormEvents::POST_SUBMIT,
+            function (FormEvent $event) use ($formModifier) {
+                $theme = $event->getForm()->getData();
+                $formModifier($event->getForm()->getParent(), $theme);
+            }
+        );
+
+        $builder->add('submit',SubmitType::class);
+    }
+}

src/AppBundle/Service/CollectionService.php

@@ -7,26 +7,55 @@ use AppBundle\Client\Rebrickable\Rebrickable;
 
 class CollectionService
 {
+    /**
+     * @var Brickset client
+     */
+    protected $bricksetClient;
 
-	/**
-	 * @var Brickset
-	 */
-	private $bricksetClient;
+    /**
+     * @var Rebrickable client
+     */
+    protected $rebrickableClient;
 
-	/**
-	 * @var Rebrickable
-	 */
-	private $rebrickableClient;
+    /**
+     * CollectionService constructor.
+     *
+     * @param $bricksetClient
+     * @param $rebrickableClient
+     */
+    public function __construct($bricksetClient, $rebrickableClient)
+    {
+        $this->bricksetClient = $bricksetClient;
+        $this->rebrickableClient = $rebrickableClient;
+    }
 
-	/**
-	 * CollectionService constructor.
-	 *
-	 * @param $bricksetClient
-	 * @param $rebrickableClient
-	 */
-	public function __construct($bricksetClient, $rebrickableClient)
-	{
-		$this->bricksetClient = $bricksetClient;
-		$this->rebrickableClient = $rebrickableClient;
-	}
-}
+    public function getThemes()
+    {
+        return $this->bricksetClient->getThemes();
+    }
+
+    public function getSubthemesByTheme($theme)
+    {
+        return $this->bricksetClient->getSubthemes($theme);
+    }
+
+    public function getYearsByTheme($theme)
+    {
+        return $this->bricksetClient->getYears($theme);
+    }
+
+    public function getSetById($id)
+    {
+        return $this->bricksetClient->getSet($id);
+    }
+
+    public function getSetParts($setNumber)
+    {
+        return $this->rebrickableClient->getSetParts($setNumber);
+    }
+
+    public function getPartById($id)
+    {
+        return $this->rebrickableClient->getPart($id);
+    }
+}