<?php

/**
 * Invision Power Services
 * IP.Board v3.0.1
 * AJAX Functions For applications/core/js/ipb3Templates.js file
 * Last Updated: $Date: 2009-06-05 08:44:38 -0400 (Fri, 05 Jun 2009) $
 *
 * Author: Matt Mecham
 *
 * @author 		$Author: matt $
 * @copyright	(c) 2001 - 2009 Invision Power Services, Inc.
 * @license		http://www.invisionpower.com/community/board/license.html
 * @package		Invision Power Board
 * @subpackage	Core
 * @link		http://www.invisionpower.com
 * @since		Friday 19th May 2006 17:33
 * @version		$Revision: 4729 $
 */


if ( ! defined( 'IN_IPB' ) )
{
	print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded all the relevant files.";
	exit();
}

class admin_core_ajax_templates extends ipsAjaxCommand 
{
	/**
	 * Skin functions object handle
	 *
	 * @access	private
	 * @var		object
	 */
	private $skinFunctions;
	
    /**
	 * Main executable
	 *
	 * @access	public
	 * @param	object	registry object
	 * @return	void
	 */
	public function doExecute( ipsRegistry $registry )
    {
    	$registry->getClass('class_localization')->loadLanguageFile( array( 'admin_templates' ), 'core' );
    	
		//-----------------------------------------
		// Load functions and cache classes
		//-----------------------------------------
	
		require_once( IPS_ROOT_PATH . 'sources/classes/skins/skinFunctions.php' );
		require_once( IPS_ROOT_PATH . 'sources/classes/skins/skinCaching.php' );
		
		$this->skinFunctions = new skinCaching( $registry );
		
		/* Check... */
		if ( !$registry->getClass('class_permissions')->checkPermission( 'templates_manage', ipsRegistry::$current_application, 'templates' ) )
		{
			$this->returnJsonError( $registry->getClass('class_localization')->words['sk_ajax_noperm'] );
	    	exit();
		}
						
    	//-----------------------------------------
    	// What shall we do?
    	//-----------------------------------------
    	
    	switch( $this->request['do'] )
    	{
    		case 'getTemplateBitList':
    			$this->_getTemplateBitList();
    		break;
			case 'getTemplateGroupList':
    			$this->_getTemplateGroupList();
    		break;
			case 'getTemplateForEdit':
				$this->_getTemplateForEdit();
			break;
			case 'saveTemplateBit':
				$this->_saveTemplateBit();
			break;
			case 'revertTemplateBit':
				/* Check... */
				if ( !$registry->getClass('class_permissions')->checkPermission( 'templates_delete', ipsRegistry::$current_application, 'templates' ) )
				{
					$this->returnJsonError( $registry->getClass('class_localization')->words['sk_ajax_noperm'] );
			    	exit();
				}
				$this->_revertTemplateBit();
			break;
    	}
    }
    
	/**
	 * Reverts a template bit
	 *
	 * @access	private
	 * @return	string		Json
	 */
    private function _revertTemplateBit()
    {
    	//-----------------------------------------
    	// INIT
    	//-----------------------------------------
    	
    	$setID            = intval( $this->request['setID'] );
		$templateID       = intval( $this->request['template_id'] );

    	//-----------------------------------------
    	// Checks...
    	//-----------------------------------------
    	
    	if ( ! $setID OR ! $templateID  )
    	{ 
    		$this->returnJsonError('Missing Data');
    		exit();
    	}

		//-----------------------------------------
		// Get template data
		//-----------------------------------------
		
		$template = $this->skinFunctions->revertTemplateBit( $templateID, $setID );
		
		$this->returnJsonArray( array( 'templateData' => $template, 'errors' => $this->skinFunctions->fetchErrorMessages()  ) );
    }

	/**
	 * Saves the template bit
	 *
	 * @access	private
	 * @return	string		Json
	 */
    private function _saveTemplateBit()
    {
    	//-----------------------------------------
    	// INIT
    	//-----------------------------------------

		$test				= $_POST['_template_name'];
    	$setID              = intval( $this->request['setID'] );
		$templateID         = intval( $this->request['template_id'] );
		$type               = ( $this->request['type'] == 'add' ) ? 'add' : 'edit';
    	$template_content   = $_POST['template_content'];
		$template_group     = IPSText::alphanumericalClean( $_POST['template_group'] );
		$ent_template_group = str_replace( "skin_", "", IPSText::alphanumericalClean( $_POST['_template_group'] ) );
		$template_name      = IPSText::alphanumericalClean( $_POST['_template_name'] );
		$template_data	    = $_POST['template_data'];

    	//-----------------------------------------
    	// Checks...
    	//-----------------------------------------
    	
    	if ( ! $setID OR ( $type == 'edit' AND ! $templateID ) )
    	{ 
    		$this->returnJsonError('Missing Data');
    		exit();
    	}

		//-----------------------------------------
		// Add checks
		//-----------------------------------------
		
		if ( $type == 'add' )
		{
			if ( ! $template_name )
			{
				$this->returnJsonError('Missing Data');
	    		exit();
	    	}
		}
		
		//-----------------------------------------
		// Save it
		//-----------------------------------------
		
		if ( $type == 'edit' )
		{
			try
			{
				$template_id = $this->skinFunctions->saveTemplateBitFromEdit( $templateID, $setID, $template_content, $template_data );
			}
			catch( Exception $err )
			{
				$this->returnJsonError( $this->lang->words[ 'templates_' . $err->getMessage() ] ? $this->lang->words[ 'templates_' . $err->getMessage() ] : $err->getMessage() );//. ' ' . implode( "\n", $this->skinFunctions->fetchMessages() ) );
	    		exit();
			}
		}
		else
		{
			$template_group = ( $ent_template_group ) ? 'skin_' . $ent_template_group : $template_group;
			
			try
			{
				$template_id    = $this->skinFunctions->saveTemplateBitFromAdd( $setID, $template_content, $template_data, $template_group, $template_name );
			}
			catch( Exception $err )
			{
				$this->returnJsonError( $this->lang->words[ 'templates_' . $err->getMessage() ] ? $this->lang->words[ 'templates_' . $err->getMessage() ] : $err->getMessage() );// . ' ' . implode( "\n", $this->skinFunctions->fetchMessages() ) );
	    		exit();
			}
		}
		
		//-----------------------------------------
		// Fetch new data and return
		//-----------------------------------------
		
		$template = $this->skinFunctions->fetchTemplateBitForEdit( $template_id, $setID );
		
		//-----------------------------------------
		// Get Data
		//-----------------------------------------
				
		$this->returnJsonArray( array( 'templateData' => $template, 'errors' => $this->skinFunctions->fetchErrorMessages() ) );
    }

	/**
	 * Fetch a JSON list of template data ready for editing
	 *
	 * @access	private
	 * @return	string		Json
	 */
    private function _getTemplateForEdit()
    {
    	//-----------------------------------------
    	// INIT
    	//-----------------------------------------
    	
    	$setID      = intval( $this->request['setID'] );
		$templateID = intval( $this->request['template_id'] );
    	
    	//-----------------------------------------
    	// Checks...
    	//-----------------------------------------
    	
    	if ( ! $setID OR ! $templateID  )
    	{ 
    		$this->returnJsonError('Missing Data');
    		exit();
    	}

		//-----------------------------------------
		// Get template data
		//-----------------------------------------
		
		$template = $this->skinFunctions->fetchTemplateBitForEdit( $templateID, $setID );
		
		$this->returnJsonArray( array( 'templateData' => $template ) );
    }
	
	/**
	 * Fetch a JSON list of template groups
	 *
	 * @access	private
	 * @return	string		Json
	 */
    private function _getTemplateGroupList()
    {
    	//-----------------------------------------
    	// INIT
    	//-----------------------------------------
    	
    	$setID         = intval( $this->request['setID'] );
    	
    	//-----------------------------------------
    	// Checks...
    	//-----------------------------------------
    	
    	if ( ! $setID )
    	{ 
    		$this->returnJsonError('Missing Data');
    		exit();
    	}

		//-----------------------------------------
		// Get templates
		//-----------------------------------------
		
		$templateGroups = $this->skinFunctions->fetchTemplates( $setID, 'groupNames' );
		
		//-----------------------------------------
		// Add in group counts
		//-----------------------------------------
		
		foreach( $templateGroups as $name => $data )
		{
			$templateGroups[ $name ]['_modCount'] = $this->skinFunctions->fetchModifiedTemplateCount( $setID, $name );
			unset( $templateGroups[ $name ]['template_name'] );
			unset( $templateGroups[ $name ]['template_data'] );
			unset( $templateGroups[ $name ]['template_content'] );
		}
		
		$this->returnJsonArray( array( 'groups' => $templateGroups ) );
    }

    /**
	 * Fetch a JSON list of template bits for the template group
	 *
	 * @access	private
	 * @return	string		Json
	 */
    private function _getTemplateBitList()
    {
    	//-----------------------------------------
    	// INIT
    	//-----------------------------------------
    	
    	$setID         = intval( $this->request['setID'] );
		$templateGroup = IPSText::alphanumericalClean( $this->request['templateGroup'] );
    	
    	//-----------------------------------------
    	// Checks...
    	//-----------------------------------------
    	
    	if ( ! $setID OR ! $templateGroup  )
    	{ 
    		$this->returnJsonError('Missing Data');
    		exit();
    	}

		//-----------------------------------------
		// Get templates
		//-----------------------------------------
		
		$templates = $this->skinFunctions->fetchTemplates( $setID, 'groupTemplatesNoContent', $templateGroup );
	
		$this->returnJsonArray( array( 'templates' => array_values( $templates ),
								       'groupData' => array( '_modCount' => $this->skinFunctions->fetchModifiedTemplateCount( $setID, $templateGroup ) ) ) );
    }
}