Cost-Benefit-Projection/site/controllers/ajax.json.php

<?php
/*----------------------------------------------------------------------------------|  www.giz.de  |----/
	Deutsche Gesellschaft für International Zusammenarbeit (GIZ) Gmb 
/-------------------------------------------------------------------------------------------------------/

	@version		3.5.x
	@build			27th May, 2022
	@created		15th June, 2012
	@package		Cost Benefit Projection
	@subpackage		ajax.json.php
	@author			Llewellyn van der Merwe <http://www.vdm.io>	
	@owner			Deutsche Gesellschaft für International Zusammenarbeit (GIZ) Gmb
	@copyright		Copyright (C) 2015. All Rights Reserved
	@license		GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
	
/-------------------------------------------------------------------------------------------------------/
	Cost Benefit Projection Tool.
/------------------------------------------------------------------------------------------------------*/

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\MVC\Controller\BaseController;
use Joomla\Utilities\ArrayHelper;

/**
 * Costbenefitprojection Ajax Base Controller
 */
class CostbenefitprojectionControllerAjax extends BaseController
{
	public function __construct($config)
	{
		parent::__construct($config);
		// make sure all json stuff are set
		JFactory::getDocument()->setMimeEncoding( 'application/json' );
		// get the application
		$app = JFactory::getApplication();
		$app->setHeader('Content-Disposition','attachment;filename="getajax.json"');
		$app->setHeader('Access-Control-Allow-Origin', '*');
		// load the tasks 
		$this->registerTask('calculatedResult', 'ajax');
		$this->registerTask('interventionBuildTable', 'ajax');
		$this->registerTask('getClusterData', 'ajax');
		$this->registerTask('isNew', 'ajax');
		$this->registerTask('isRead', 'ajax');
	}

	public function ajax()
	{
		// get the user for later use
		$user 		= JFactory::getUser();
		// get the input values
		$jinput 	= JFactory::getApplication()->input;
		// check if we should return raw
		$returnRaw	= $jinput->get('raw', false, 'BOOLEAN');
		// return to a callback function
		$callback	= $jinput->get('callback', null, 'CMD');
		// Check Token!
		$token 		= JSession::getFormToken();
		$call_token	= $jinput->get('token', 0, 'ALNUM');
		if($jinput->get($token, 0, 'ALNUM') || $token === $call_token)
		{
			// get the task
			$task = $this->getTask();
			switch($task)
			{
				case 'calculatedResult':
					try
					{
						$idValue = $jinput->get('id', NULL, 'INT');
						$dataValue = $jinput->get('data', NULL, 'BASE64');
						if($idValue && $dataValue)
						{
							$result = $this->getModel('ajax')->getCalculatedResult($idValue, $dataValue);
						}
						else
						{
							$result = false;
						}
						if($callback)
						{
							echo $callback . "(".json_encode($result).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($result);
						}
						else
						{
							echo "(".json_encode($result).");";
						}
					}
					catch(Exception $e)
					{
						if($callback)
						{
							echo $callback."(".json_encode($e).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($e);
						}
						else
						{
							echo "(".json_encode($e).");";
						}
					}
				break;
				case 'interventionBuildTable':
					try
					{
						$idNameValue = $jinput->get('idName', NULL, 'CMD');
						$ojectValue = $jinput->get('oject', NULL, 'STRING');
						$clusterValue = $jinput->get('cluster', NULL, 'WORD');
						if($idNameValue && $user->id != 0 && $ojectValue && $clusterValue)
						{
							$result = $this->getModel('ajax')->getInterventionBuildTable($idNameValue, $ojectValue, $clusterValue);
						}
						else
						{
							$result = false;
						}
						if($callback)
						{
							echo $callback . "(".json_encode($result).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($result);
						}
						else
						{
							echo "(".json_encode($result).");";
						}
					}
					catch(Exception $e)
					{
						if($callback)
						{
							echo $callback."(".json_encode($e).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($e);
						}
						else
						{
							echo "(".json_encode($e).");";
						}
					}
				break;
				case 'getClusterData':
					try
					{
						$idNameValue = $jinput->get('idName', NULL, 'CMD');
						$clusterValue = $jinput->get('cluster', NULL, 'STRING');
						if($idNameValue && $user->id != 0 && $clusterValue)
						{
							$result = $this->getModel('ajax')->getClusterData($idNameValue, $clusterValue);
						}
						else
						{
							$result = false;
						}
						if($callback)
						{
							echo $callback . "(".json_encode($result).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($result);
						}
						else
						{
							echo "(".json_encode($result).");";
						}
					}
					catch(Exception $e)
					{
						if($callback)
						{
							echo $callback."(".json_encode($e).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($e);
						}
						else
						{
							echo "(".json_encode($e).");";
						}
					}
				break;
				case 'isNew':
					try
					{
						$noticeValue = $jinput->get('notice', NULL, 'STRING');
						if($noticeValue && $user->id != 0)
						{
							$result = $this->getModel('ajax')->isNew($noticeValue);
						}
						else
						{
							$result = false;
						}
						if($callback)
						{
							echo $callback . "(".json_encode($result).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($result);
						}
						else
						{
							echo "(".json_encode($result).");";
						}
					}
					catch(Exception $e)
					{
						if($callback)
						{
							echo $callback."(".json_encode($e).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($e);
						}
						else
						{
							echo "(".json_encode($e).");";
						}
					}
				break;
				case 'isRead':
					try
					{
						$noticeValue = $jinput->get('notice', NULL, 'STRING');
						if($noticeValue && $user->id != 0)
						{
							$result = $this->getModel('ajax')->isRead($noticeValue);
						}
						else
						{
							$result = false;
						}
						if($callback)
						{
							echo $callback . "(".json_encode($result).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($result);
						}
						else
						{
							echo "(".json_encode($result).");";
						}
					}
					catch(Exception $e)
					{
						if($callback)
						{
							echo $callback."(".json_encode($e).");";
						}
						elseif($returnRaw)
						{
							echo json_encode($e);
						}
						else
						{
							echo "(".json_encode($e).");";
						}
					}
				break;
			}
		}
		else
		{
			// return to a callback function
			if($callback)
			{
				echo $callback."(".json_encode(false).");";
			}
			// return raw
			elseif($returnRaw)
			{
				echo json_encode(false);
			}
			else
  			{
				echo "(".json_encode(false).");";
			}
		}
	}
}