add GET /interface/images

src/Api/InterfaceControllerProvider.php

@@ -0,0 +1,64 @@
+<?php
+namespace EmotionHero\Api;
+
+use EmotionHero\Application as EH;
+use Silex\Application;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Silex\Api\ControllerProviderInterface;
+use EmotionHero\Models;
+use EmotionHero\Server\Websockets;
+
+class InterfaceControllerProvider implements ControllerProviderInterface
+{
+    /** @var EH */
+    protected $_eh;
+
+    public function __construct()
+    {
+        $this->_eh = EH::getInstance();
+    }
+
+    public function connect(Application $app)
+    {
+        // creates a new controller based on the default route
+        $controllers = $app['controllers_factory'];
+
+        $controllers->get('/images', function (Application $app) {
+
+            $getEmoBlocks = function($emotion, $feature, $steps = 6) use($em) {
+                $hitRepo = $this->_em->getEm()->getRepository(EmotionHero\Models\Hit::class);
+                $blocks = [];
+                foreach(range(0, 100, 100/($steps-1)) as $i) {
+                    /* @var $hitRepo EmotionHero\Models\HitRepository */
+                    $hit = $hitRepo->getClosestHitWithImage($emotion, $i);
+                    $img = "data:image/x-icon;base64,".$hit->getFeatureImgAsString($feature);
+                    $score = $hit->getEmotions()->getEmotionScore($emotion);
+                    $percentage = sprintf("%.0f %%",$score);
+                    $blocks[] = [
+                        'hit_id' => $hit->getId(),
+                        'img_data' => $img,
+                        'percentage' => $percentage,
+                    ];
+                }
+                return $blocks;
+            };
+
+            $features = ['brows' => 6, 'nose' => 5, 'mouth' => 8];
+
+            $output = [];
+
+            foreach($features as $feature => $steps) {
+                foreach(Models\Emotions::$EMOTIONS as $emotion) {
+                    $output[$feature][$emotion] = $getEmoBlocks(
+                        $emotion,
+                        $feature == 'mouth' ? 'mouth_left':$feature,
+                        $steps
+                        );
+                }
+            }
+
+            return $app['serializer']->serialize($output, 'json');
+        });
+    }
+}

www/index.php

@@ -165,6 +165,7 @@ $app->get('/api/protected_resource', function() use ($app){
 
 
 $app->mount('/', new EmotionHero\Api\ScoreControllerProvider());
+$app->mount('/interface', new EmotionHero\Api\InterfaceControllerProvider());
 
 // middlewares
 $appStack = new EmotionHero\Api\ThrottleMiddleware($app, ['pdo'=>$eh->getEm()->getConnection()->getWrappedConnection()] );