first commit

plugins/system/nrframework/NRFramework/Library/Favorites.php

@@ -0,0 +1,138 @@
+<?php
+
+/**
+ * @author          Tassos Marinos <info@tassos.gr>
+ * @link            http://www.tassos.gr
+ * @copyright       Copyright © 2022 Tassos Marinos All Rights Reserved
+ * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
+ */
+
+namespace NRFramework\Library;
+
+defined('_JEXEC') or die;
+
+class Favorites
+{
+	/**
+	 * Library
+	 * 
+	 * @var   Library
+	 */
+	protected $library = [];
+
+    public function __construct($library = [])
+    {
+        $this->library = $library;
+    }
+    
+	/**
+	 * Handles AJAX Library favorite toggle
+	 * 
+	 * @return  string
+	 */
+	public function tf_library_ajax_favorites_toggle()
+	{
+		$template_id = $this->library->getLibrarySetting('template_id');
+
+		if (empty($template_id))
+		{
+			return false;
+		}
+		
+		$this->addOrRemoveFavorite($template_id);
+		
+		return $this->getFavorites();
+	}
+	
+    /**
+     * Add or remove favorites
+     * 
+     * @param   int  $template_id
+     * 
+     * @return  void
+     */
+    private function addOrRemoveFavorite($template_id)
+    {
+        $favorites = $this->getFavorites();
+
+        if (array_key_exists($template_id, $favorites))
+        {  
+            $this->removeFromFavorites($template_id);
+            return;
+        }
+        
+        $this->addToFavorites($template_id);
+    }
+
+    /**
+     * Add to favorites
+     * 
+     * @param   int  $template_id
+     * 
+     * @return  void
+     */
+    private function addToFavorites($template_id)
+    {
+        $favorites = $this->getFavorites();
+
+        if (array_key_exists($template_id, $favorites))
+        {  
+            return;
+        }
+
+        $favorites[$template_id] = true;
+
+        $this->saveFavorites($favorites);
+    }
+
+    /**
+     * Save favorites to file
+     * 
+     * @param   string  $content
+     * 
+     * @return  void
+     */
+    private function saveFavorites($content)
+    {
+        // Create directory if not exist
+        if (!is_dir($this->library->getTemplatesPath()))
+        {
+            \NRFramework\File::createDirs($this->library->getTemplatesPath());
+        }
+        
+        $file = $this->library->getTemplatesPath() . 'favorites.json';
+
+        return file_put_contents($file, json_encode($content));
+    }
+
+    /**
+     * Remove from favorites
+     * 
+     * @param   int  $template_id
+     * 
+     * @return  void
+     */
+    private function removeFromFavorites($template_id)
+    {
+        $favorites = $this->getFavorites();
+        unset($favorites[$template_id]);
+        $this->saveFavorites($favorites);
+    }
+
+    /**
+     * Get favorites
+     *  
+     * @return  array
+     */
+    public function getFavorites()
+    {
+        $file = $this->library->getTemplatesPath() . 'favorites.json';
+
+        if (!file_exists($file))
+        {
+            return [];
+        }
+        
+        return (array) json_decode(file_get_contents($file), true);
+    }
+}