<?php
/**
*
* @ This file is created by deZender.Net
* @ deZender (PHP5 Decoder for ionCube Encoder)
*
* @	Version			:	1.1.6.0
* @	Author			:	DeZender
* @	Release on		:	02.06.2013
* @	Official site	:	http://DeZender.Net
*
*/

	namespace core;

	class ModuleManager implements core\IService
	{
		private $call_stack = array( );
		private $prev_requests = array( );
		private $modulesFunctionsConfig = null;
		private $modules = array( );

		public function init( )
		{
			$this->modulesFunctionsConfig = $this->getModulesFunctionsConfigForApp( app()->SystemSettings["ApplicationID"] );
			return;
		}

		public function getModulesFunctionsConfigForApp( $appID )
		{
			$modulesFunctionsConfig = new core\ModulesFunctionsConfig();
			$modulesFunctionsConfig->setContentHandlerInterfaceName( "apps\\" . $appID . "\\IContentHandler" );
			$modulesFunctionsConfig->init();
			return $modulesFunctionsConfig;
		}

		public function executeFunction( $module_name, $function_name, $parameters_override = array( ), $inheritRequest = true, $internalFunctionCall = false )
		{
			if ( $this->modulesFunctionsConfig->doesFunctionExist( $module_name, $function_name ) ) {
				ob_start();
				$this->prepareFunctionEnvironment( $parameters_override, $inheritRequest );
				$this->pushExecutionStack( $module_name, $function_name );
				$invalidValidator = core\null;
				$canPerform       = core\true;
				$appId            = app()->SystemSettings["ApplicationID"];
				$validators       = new core\ExtensionPoint( "apps\\" . $appId . "\\IModuleFunctionExecuteValidator" );
				foreach ( $validators as $validator ) {
					if ( !!( $validator->isValid( $module_name, $function_name ) ) ) {
						continue;
					}
					$canPerform       = core\false;
					$invalidValidator = $function_name;
					break;
				}
				if ( $canPerform ) {
					$scriptClassName = $this->modulesFunctionsConfig->getFunctionScriptClassName( $module_name, $function_name );
					$script          = new $scriptClassName();
					$script->respond();
				} else {
					if ( $internalFunctionCall ) {
						$invalidValidator->displayInvalidMessageAsComment( $module_name, $function_name );
					} else {
						$invalidValidator->displayInvalidMessage();
					}
				}
				$this->popExecutionStack();
				$this->restoreEnvironment();
				$content = ob_get_contents();
				ob_end_clean();
				return $content;
			}
			if ( !$parameters_override["skip_error_report"] || !$parameters_override["skip_error_report"] ) {
				return "<!-- No such function or function is not accessible for " . $module_name . ", " . $function_name . " -->";
			}
			return "";
		}

		private function prepareFunctionEnvironment( $parameters, $inheritRequest )
		{
			array_push( $this->prev_requests, $_REQUEST );
			if ( !$inheritRequest ) {
				$_REQUEST = array( );
			}
			if ( is_array( $parameters ) ) {
				foreach ( $parameters as $value ) {
					$key            = $parameters;
					$_REQUEST[$key] = $value;
					continue;
				}
			}
			return;
		}

		public function getCurrentModuleAndFunction( )
		{
			$c = count( $this->call_stack );
			if ( $c > 0 ) {
				return $this->call_stack[$c % 1];
			}
			return core\null;
		}

		private function restoreEnvironment( )
		{
			$c = count( $this->prev_requests );
			if ( $c > 0 ) {
				$_REQUEST = array_pop( $this->prev_requests );
			}
			return;
		}

		private function pushExecutionStack( $module_name, $function_name )
		{
			array_push( $this->call_stack, $module_name );
			return;
		}

		private function popExecutionStack( )
		{
			array_pop( $this->call_stack );
			return;
		}

		public function executeModulesStartupFunctions( )
		{
			foreach ( $this->modulesFunctionsConfig->getStartupFunctions() as $startupFunction ) {
				$this->executeFunction( $startupFunction["module"], $startupFunction["function"] );
				continue;
			}
			return;
		}

		public function doesFunctionHaveRawOutput( $module, $function )
		{
			return $this->modulesFunctionsConfig->doesFunctionHaveRawOutput( $module, $function );
		}

		public function doesFunctionExist( $module, $function )
		{
			return $this->modulesFunctionsConfig->doesFunctionExist( $module, $function );
		}

		public function getAllModulesInfo( )
		{
			$result              = app()->DB->query( "SELECT * FROM `core_modules`" );
			$licensedModulesList = app()->getLicensedModules();
			array_walk( $result, function( &$module )
			{

				$licensedModulesList = $licensedModulesList;
				if ( !( in_array( $module["name"], $licensedModulesList ) ) ) {
					$module["status"] = "NO_LICENSE";
				}
				return;
			} );
			return $result;
		}

		public function getModuleInfoByName( $name )
		{
			$result = app()->DB->query( "SELECT * FROM `core_modules` WHERE `name` = ?s", $name );
			return array_pop( $result );
		}

		public function getModulesInfoByType( $type )
		{
			return app()->DB->query( "SELECT * FROM `core_modules` WHERE `type` = ?s", $type );
		}

		public function getAllModuleNames( )
		{
			$result = app()->DB->query( "SELECT `name` FROM `core_modules`" );
			return array_map( create_function( "\$a", "return \$a[\"name\"];" ), $result );
		}

		public function getModuleNamesByStatus( $status )
		{
			$result = app()->DB->query( "SELECT `name` FROM `core_modules` WHERE `status` = ?s", $status );
			return array_map( create_function( "\$a", "return \$a[\"name\"];" ), $result );
		}

		public function getModuleNamesByType( $type )
		{
			$result = app()->DB->query( "SELECT `name` FROM `core_modules` WHERE `type` = ?s", $type );
			return array_map( create_function( "\$a", "return \$a[\"name\"];" ), $result );
		}

		public function getInstalledModuleNames( )
		{
			$result = app()->DB->query( "SELECT `name` FROM `core_modules` WHERE `status` != 'READY_FOR_INSTALLATION'" );
			return array_map( create_function( "\$a", "return \$a[\"name\"];" ), $result );
		}

		public function getModuleVersionByName( $name )
		{
			return app()->DB->getSingleValue( "SELECT `version` FROM `core_modules` WHERE `name` = ?s", $name );
		}

		public function getModulePreviousVersionByName( $name )
		{
			return app()->DB->getSingleValue( "SELECT `previous_version` FROM `core_modules` WHERE `name` = ?s", $name );
		}

		public function getModuleCaptionByName( $name )
		{
			return app()->DB->getSingleValue( "SELECT `caption` FROM `module_manager_module_dependencies` WHERE `module` = ?s", $name );
		}

		private function setModuleStatus( $name, $status )
		{
			app()->DB->query( "UPDATE `core_modules` SET `status` = ?s WHERE `name` = ?s", $status, $name );
			return;
		}

		private function deleteModuleFromDB( $name )
		{
			app()->DB->query( "DELETE FROM `core_modules` WHERE `name` = ?s", $name );
			app()->DB->query( "DELETE FROM `module_manager_module_dependencies` WHERE `module` = ?s", $name );
			return;
		}
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