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Internal/package-crontab/QueueLimitExtends.php

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+<?php namespace ZN\Crontab;
+/**
+ * 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]
+ */
+class QueueLimitExtends
+{
+    /**
+     * Keeps Crontab object
+     * 
+     * @var Crontab
+     */
+    protected $crontab;
+
+    /**
+     * Protected start
+     */
+    protected function start($id, $start, &$key, &$getJsonData, &$limit, $crontab)
+    {
+        $this->crontab = $crontab;
+
+        $this->setFile();
+        
+        $key = $this->getProcessId($id);
+
+        if( ! is_file($this->file) )
+        {
+            $this->addDataToFile([$key => $start]);
+        }
+        
+        $getJsonData = $this->getJsonDataToFile();
+
+        $limit = (int) ($getJsonData[$key] ?? 1);
+    }
+
+    /**
+     * Protected end
+     */
+    protected function end($getJsonData)
+    {
+        $this->addDataToFile($getJsonData);
+    }
+
+    /**
+     * Protected remove key from json data
+     */
+    protected function removeKeyFromJsonData($key, &$getJsonData)
+    {
+        $this->crontab->remove((int) ltrim($key, 'ID'));
+
+        if( isset($getJsonData[$key]) )
+        {
+            unset($getJsonData[$key]);
+        }
+    }
+
+    /**
+     * Protected get json data to limit/queue file
+     */
+    protected function getJsonDataToFile()
+    {
+        return json_decode(file_get_contents($this->file), true);
+    }
+
+    /**
+     * Protected set queue file
+     */
+    protected function setFile()
+    {
+        $this->file = $this->crontab->getCrontabCommands() . $this->file;
+    } 
+
+    /**
+     * Protected function get process id
+     */
+    protected function getProcessId($id)
+    {
+        return 'ID' . $id;
+    }
+
+    /**
+     * Protected add data to limit/queue file
+     */
+    protected function addDataToFile($data)
+    {
+        file_put_contents($this->file, json_encode($data) . EOL);
+    }
+}