Initial commit

wordpress_plugins/wp-config-file-editor/Libraries/InstallerService.abstract.php

@@ -0,0 +1,158 @@
+<?php
+/**
+* 
+*/
+
+namespace WCFE\Libraries;
+
+/**
+* 
+*/
+abstract class InstallerService extends \WCFE\Libraries\PersistObject {
+	
+	const STATE_FRESH_INSTALL = 2;
+	const STATE_INSTALLED = 0;
+	const STATE_UPGRADE = -1;
+	const STATE_DOWNGRADE = 1;
+	
+	
+	/**
+	* put your comment there...
+	* 
+	* @var mixed
+	*/
+	private $currentVersion;
+	
+	/**
+	* put your comment there...
+	* 
+	* @var mixed
+	*/
+	protected $installedVersion;
+
+	/**
+	* put your comment there...
+	* 
+	* @var mixed
+	*/
+	protected $_upgraders = array();
+	
+	/**
+	* put your comment there...
+	* 
+	* @param \WPPFW\Obj\IFactory $factory
+	* @param mixed $currentVersion
+	* @return InstallerService
+	*/
+	public function __construct( \WPPFW\Obj\IFactory & $factory )
+	{
+        
+        $stateAdapter = new \WPPFW\MVC\Model\State\GlobalWPOptionsModelState( $factory, get_class( $this ) );
+        
+		parent::__construct( $stateAdapter );
+		
+		$this->currentVersion = $this->_getCurrentVersion();
+	}
+	
+    /**
+    * put your comment there...
+    * 
+    */
+    protected abstract function _getCurrentVersion();
+    
+	/**
+	* put your comment there...
+	* 
+	*/
+	public function getInstalledVersion()
+	{
+		return $this->installedVersion;
+	}
+	
+	/**
+	* put your comment there...
+	* 
+	*/
+	public function getState()
+	{
+		
+		$installedVersion = $this->getInstalledVersion();
+		
+		return ( 	! $installedVersion ) ?
+								self::STATE_FRESH_INSTALL :
+								version_compare( $installedVersion, $this->currentVersion );
+	}
+
+	/**
+	* put your comment there...
+	* 
+	*/
+	public final function install()
+	{
+		return $this->processUpgraders( 0 );
+	}
+
+	/**
+	* put your comment there...
+	* 
+	* @param mixed $startIndex
+	*/
+	protected function processUpgraders( $startIndex )
+	{
+		
+		# Run all upgraders, stop on error
+		for ( $currentIndex = $startIndex; $currentIndex < count( $this->_upgraders ) ; $currentIndex++ )
+		{
+			
+			$upgraderName = str_replace( array( '.', '-' ), array( '', '_' ), $this->_upgraders[ $currentIndex ] );
+			
+			$upgraderMethodName = "upgrade_{$upgraderName}";
+			
+			if ( method_exists( $this, $upgraderMethodName ) )
+			{
+				
+				if ( ! $this->$upgraderMethodName() )
+				{
+					return false;
+				}
+				
+			}
+			
+		}
+		
+		# Set version number
+		$this->installedVersion = $this->currentVersion;
+		
+		# Save state
+		$this->writeState();
+		
+		return true;
+	}
+	
+	/**
+	* put your comment there...
+	* 
+	*/
+	public function uninstall() { }
+
+	/**
+	* put your comment there...
+	* 
+	*/
+	public final function upgrade()
+	{
+		
+		$result = false;
+		
+		$installedVersion = $this->getInstalledVersion();
+		
+		$installedVersionUIdx = array_search( $installedVersion, $this->_upgraders );
+		
+		if ( $installedVersionUIdx !== FALSE )
+		{
+			$result = $this->processUpgraders( $installedVersionUIdx );
+		}
+		
+		return $result;
+	}
+}