Performance improvements

Author: andriysvyryda

Model/Post.php

@@ -955,9 +955,10 @@ public function initDinamicData()
 
     /**
      * Prepare all additional data
+     * @param null $fields
      * @return array
      */
-    public function getDynamicData()
+    public function getDynamicData($fields = null)
     {
         $data = $this->getData();
 
@@ -984,31 +985,39 @@ public function getDynamicData()
             $data[$key] = $this->$method();
         }
 
-        $tags = [];
-        foreach ($this->getRelatedTags() as $tag) {
-            $tags[] = $tag->getDynamicData();
+        if (array_key_exists('tags', $fields)) {
+            $tags = [];
+            foreach ($this->getRelatedTags() as $tag) {
+                $tags[] = $tag->getDynamicData();
+            }
+            $data['tags'] = $tags;
         }
-        $data['tags'] = $tags;
 
-        $relatedPosts = [];
-        foreach ($this->getRelatedPosts() as $relatedPost) {
-            $relatedPosts[] = $relatedPost->getDynamicData();
+        if (array_key_exists('related_posts', $fields)) {
+            $relatedPosts = [];
+            foreach ($this->getRelatedPosts() as $relatedPost) {
+                $relatedPosts[] = $relatedPost->getDynamicData($fields);
+            }
+            $data['related_posts'] = $relatedPosts;
         }
-        $data['related_posts'] = $relatedPosts;
 
-        $relatedProducts = [];
-        foreach ($this->getRelatedProducts() as $relatedProduct) {
-            $relatedProducts[] = $relatedProduct->getData();
+        if (array_key_exists('related_products', $fields)) {
+            $relatedProducts = [];
+            foreach ($this->getRelatedProducts() as $relatedProduct) {
+                $relatedProducts[] = $relatedProduct->getSku();
+            }
+            $data['related_products'] = $relatedProducts;
         }
-        $data['related_products'] = $relatedProducts;
 
-        $categories = [];
-        foreach ($this->getParentCategories() as $category) {
-            $categories[] = $category->getDynamicData();
+        if (array_key_exists('categories', $fields)) {
+            $categories = [];
+            foreach ($this->getParentCategories() as $category) {
+                $categories[] = $category->getDynamicData();
+            }
+            $data['categories'] = $categories;
         }
-        $data['categories'] = $categories;
 
-        if ($author = $this->getAuthor()) {
+        if (array_key_exists('author', $fields) && $author = $this->getAuthor()) {
             $data['author'] = $author->getDynamicData();
         }