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Internal/package-services/CDNAbstract.php

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+<?php namespace ZN\Services;
+/**
+ * ZN PHP Web Framework
+ * 
+ * "Simplicity is the ultimate sophistication." ~ Da Vinci
+ * 
+ * @package ZN
+ * @license MIT [http://opensource.org/licenses/MIT]
+ * @author  Ozan UYKUN [ozan@znframework.com]
+ */
+
+use ZN\Singleton;
+use ZN\Protection\Json;
+
+abstract class CDNAbstract
+{  
+    /**
+     * Json file.
+     * 
+     * @var string
+     */
+    protected $jsonFile = FILES_DIR . 'CDNLinks.json';
+
+    /**
+     * Refresh request api.
+     * 
+     * @var bool
+     */
+    protected $refresh = false;
+
+    /**
+     * Refresh request api.
+     */
+    public function refresh()
+    {
+        $this->refresh = true;
+    }
+
+    /**
+     * Set json file path.
+     * 
+     * @param string $jsonFile
+     */
+    public function setJsonFile(string $jsonFile)
+    {
+        $this->jsonFile = $jsonFile;
+    }
+
+    /**
+     * Gets links.
+     * 
+     * @return array
+     */
+    public function getLinks() : array
+    {
+        if( ! $this->isJsonCheck() || $this->refresh === true )
+        {
+            $result = $this->getApiResult();
+
+            if( ! is_object($result) )
+            {
+                throw new Exception\BadRequestURLException(NULL, $this->address); // @codeCoverageIgnore
+            }
+
+            $this->putJsonContent($result);
+        }
+
+        $result = $this->decodeArrrayJsonContent();
+
+        return $this->convertArrayByKeyValues($result);
+    }
+
+    /**
+     * Get link
+     * 
+     * @param string $key
+     * @param string $version = 'latest'
+     * 
+     * @return string|false
+     */
+    public function getLink(string $key, string $version = 'latest')
+    {
+        $return = $this->getLinks()[$key] ?? false;
+
+        if( $version !== 'latest' )
+        {
+            return $this->versionModifier($version, $return);
+        }
+
+        return $return;
+    }
+
+    /**
+     * Protected version modifier
+     */
+    protected function versionModifier($version, $return)
+    {
+        return preg_replace('/([0-9]\.*){2,3}/', $version, $return);
+    }
+
+    /**
+     * Protected convert array by key values
+     */
+    protected function convertArrayByKeyValues($result)
+    {
+        $array = [];
+
+        foreach( $result['results'] as $value )
+        {
+            $array[$value['name']] = $value['latest'];
+        }
+
+        return $array;
+    }
+
+    /**
+     * Protected get api result
+     */
+    protected function getApiResult()
+    {
+        return Singleton::class('ZN\Services\Restful')->get($this->address);
+    }
+
+    /**
+     * Protected decode json array content
+     */
+    protected function decodeArrrayJsonContent()
+    {
+        return json_decode($this->getJsonContent(), true);
+    }
+
+    /**
+     * Protected get json content
+     */
+    protected function getJsonContent()
+    {
+        return file_get_contents($this->jsonFile);
+    }
+
+    /**
+     * Protected put json content
+     */
+    protected function putJsonContent($result)
+    {
+        file_put_contents($this->jsonFile, json_encode($result));
+    }
+
+    /**
+     * Protected is json check
+     */
+    protected function isJsonCheck()
+    {
+        return is_file($this->jsonFile) && Json::check($this->getJsonContent());
+    }
+}