<?php
/**
 * @package    Joomla.Component.Builder
 *
 * @created    30th April, 2015
 * @author     Llewellyn van der Merwe <http://www.joomlacomponentbuilder.com>
 * @github     Joomla Component Builder <https://github.com/vdm-io/Joomla-Component-Builder>
 * @copyright  Copyright (C) 2015 Vast Development Method. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

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

use Joomla\CMS\Application\CMSApplication;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\Registry\Registry;

JLoader::register('ComponentbuilderHelper', JPATH_ADMINISTRATOR . '/components/com_componentbuilder/helpers/componentbuilder.php');

/**
 * Extension - Componentbuilder Privacy Compiler plugin.
 *
 * @package   ComponentbuilderPrivacyCompiler
 * @since     1.0.0
 */
class PlgExtensionComponentbuilderPrivacyCompiler extends CMSPlugin
{
	/**
	 * Affects constructor behavior. If true, language files will be loaded automatically.
	 *
	 * @var    boolean
	 * @since  1.0.0
	 */
	protected  $autoloadLanguage = true;

	/**
	 * The language string builder
	 * 
	 * @var     array
	 */
	protected $languageArray = array();

	/**
	 * The hash placeholder
	 * 
	 * @var     string
	 */
	protected $hhh = '#' . '#' . '#';

	/**
	 * The open bracket placeholder
	 * 
	 * @var     string
	 */
	protected $bbb = '[' . '[' . '[';

	/**
	 * The close bracket placeholder
	 * 
	 * @var     string
	 */
	protected $ddd = ']' . ']' . ']';

	/*
	 * The line numbers Switch
	 * 
	 * @var      boolean
	 */
	protected $debugLinenr = false;

	/**
	 * Global switch to see if component have need of privacy plugin to be loaded.
	 *
	 * @var    boolean
	 * @since  1.0.0
	 */
	protected  $loadPrivacy = false;

	/**
	 * The Views Linked to Joomla Users
	 *
	 * @var    array
	 * @since  1.0.0
	 */
	protected  $activeViews = array();

	/**
	 * The Views permission fields
	 *
	 * @var    array
	 * @since  1.0.0
	 */
	protected  $permissionFields = array();

	/**
	 * The permissions core
	 *
	 * @var    array
	 */
	protected $permissionCore = array();

	/**
	 * The permissions Builder
	 *
	 * @var    array
	 */
	protected $permissionBuilder = array();

	/**
	 * Event Triggered in the compiler [on Before Model View Data]
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	public function jcb_ce_onBeforeModelViewData(&$context, &$view, &$placeholders)
	{
		// add the privacy
		$view->params = (isset($view->params) && ComponentbuilderHelper::checkJson($view->params)) ? json_decode($view->params, true) : $view->params;
		if (ComponentbuilderHelper::checkArray($view->params) && isset($view->params['privacy']) && ComponentbuilderHelper::checkArray($view->params['privacy']) && 
			isset($view->params['privacy']['activate']) && $view->params['privacy']['activate'] == 1)
		{
			// activate the load of the privacy plugin
			$this->loadPrivacy = true;
			// load the admin view details
			$this->activeViews[$view->id] = $view;
			// add permissions
			$view->addpermissions = (isset($view->addpermissions) && ComponentbuilderHelper::checkJson($view->addpermissions)) ? json_decode($view->addpermissions, true) : null;
			if (ComponentbuilderHelper::checkArray($view->addpermissions))
			{
				$view->addpermissions = array_values($view->addpermissions);
				// add the new permissions
				$view->addpermissions[] = array('action' => 'view.privacy.delete', 'implementation' => 3, 'title' => $view->name_list . ' Privacy Delete', 'description' => ' Allows the users in this group to remove their personal data in ' . $view->name_list . ' via the Joomla privacy suite.');
				$view->addpermissions[] = array('action' => 'view.privacy.access', 'implementation' => 3, 'title' => $view->name_list . ' Privacy Access', 'description' => ' Allows the users in this group to access their personal data in ' . $view->name_list . ' via the Joomla privacy suite.');
				// convert back to json
				$view->addpermissions = json_encode($view->addpermissions, JSON_FORCE_OBJECT);
			}
			// add placeholders to view if not already set
			if (!isset($this->activeViews[$view->id]->placeholders))
			{
				$this->activeViews[$view->id]->placeholders = $placeholders;
			}
		}
	}

	/**
	 * Event Triggered in the compiler [on After Build Access Sections]
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	public function jcb_ce_onAfterBuildAccessSections(&$context, $compiler)
	{
		// check if this component needs a privacy plugin loaded
		if ($this->loadPrivacy)
		{
			// get the permission builder array
			$this->permissionBuilder = $compiler->permissionBuilder;
			// get the permission core array
			$this->permissionCore = $compiler->permissionCore;
		}
	}

	/**
	 * Event Triggered in the compiler [on Before Get Component Data]
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	public function jcb_ce_onBeforeGetComponentData(&$context, $compiler)
	{
		// sync needed compiler properties with this plugin class
		$this->debugLinenr = $compiler->debugLinenr;
		$this->hhh = $compiler->hhh;
		$this->bbb = $compiler->bbb;
		$this->ddd = $compiler->ddd;
	}

	/**
	 * Event Triggered in the compiler [on After Get]
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	public function jcb_ce_onAfterGet(&$context, $compiler)
	{
		// check if this component needs a privacy plugin loaded
		if ($this->loadPrivacy)
		{
			$plugin = JPluginHelper::getPlugin('content', 'componentbuilderprivacytabs');
			// check if this is json
			if (isset($plugin->params) && ComponentbuilderHelper::checkJson($plugin->params))
			{
				// Convert the params field to an array.
				$registry = new Registry;
				$registry->loadString($plugin->params);
				$plugin->params = $registry->toArray();
			}
			// now get the plugin ID if set
			if (isset($plugin->params['plugin']) && $plugin->params['plugin'] > 0)
			{
				// if linked it will only load it once
				$compiler->setJoomlaPlugin($plugin->params['plugin'], $compiler->componentData);
			}
			else
			{
				JFactory::getApplication()->enqueueMessage(JText::_('PLG_EXTENSION_COMPONENTBUILDERPRIVACYCOMPILER_YOU_DO_NOT_HAVE_A_GLOBAL_PRIVACY_PLUGIN_SETUP_SO_THE_INTEGRATION_WITH_JOOMLA_PRIVACY_SUITE_COULD_NOT_BE_BUILD'), 'Error');
				$this->loadPrivacy= false;
			}
		}
	}

	/**
	 * Event Triggered in the compiler [on Before Update Files]
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	public function jcb_ce_onBeforeUpdateFiles(&$context, $compiler)
	{
		// check if privacy is to be loaded
		if ($this->loadPrivacy && ComponentbuilderHelper::checkArray($this->activeViews))
		{
			// get compiler defaults
			$strictFieldExportPermissions = $compiler->strictFieldExportPermissions;
			$exportTextOnly = $compiler->exportTextOnly;

			// load the getPrivacyExport functions
			foreach ($this->activeViews as $id => &$view)
			{
				// set permissions based on view
				if (isset($view->params['privacy']['permissions']))
				{
					$compiler->strictFieldExportPermissions = (int) $view->params['privacy']['permissions'];
				}

				// allow text only export
				$compiler->exportTextOnly = 1;

				// set view list name
				$viewName_list = ComponentbuilderHelper::safeString($view->name_list);
				// set view single name
				$viewName_single = ComponentbuilderHelper::safeString($view->name_single);
				// load the function
				$compiler->fileContentDynamic[$viewName_list][$this->hhh . 'MODELEXPORTMETHOD' . $this->hhh] .= $compiler->setGetItemsModelMethod($viewName_single, $viewName_list, array('functionName' => 'getPrivacyExport', 'docDesc' => 'Method to get data during an export request.', 'type' => 'privacy'));
				// get the permissions building values for later if needed
				if ($compiler->strictFieldExportPermissions && isset($compiler->permissionFields[$viewName_single]) && ComponentbuilderHelper::checkArray($compiler->permissionFields[$viewName_single]))
				{
					$this->permissionFields[$viewName_single] = $compiler->permissionFields[$viewName_single];
				}
			}

			// set compiler defaults
			$compiler->strictFieldExportPermissions = $strictFieldExportPermissions;
			$compiler->exportTextOnly = $exportTextOnly;

			// add helper classes
			$helper_strings = array('CUSTOM_HELPER_SCRIPT', 'SITE_CUSTOM_HELPER_SCRIPT', 'BOTH_CUSTOM_HELPER_SCRIPT');
			$privacy_events = array('PrivacyCanRemoveData' => true, 'PrivacyExportRequest' => true, 'PrivacyRemoveData' => true);

			foreach ($helper_strings as $helper)
			{
				if (isset($compiler->fileContentStatic[$this->hhh . $helper . $this->hhh]) && ComponentbuilderHelper::checkString($compiler->fileContentStatic[$this->hhh . $helper . $this->hhh]))
				{
					foreach ($privacy_events as $privacy_event => &$add)
					{
						// check if the even is overwriten
						if (strpos($compiler->fileContentStatic[$this->hhh . $helper . $this->hhh], 'public static function on' . $privacy_event . '(') !== false)
						{
							$add = false;
						}
					}
				}
			}
			// add the events still needed
			$compiler->fileContentStatic[$this->hhh . 'BOTH_CUSTOM_HELPER_SCRIPT' . $this->hhh] .= str_replace(array_keys($compiler->placeholders), array_values($compiler->placeholders), $this->getHelperMethod($privacy_events));
		}
	}

	/**
	 * Event Triggered in the compiler [on Before Set Lang File Data]
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	public function jcb_ce_onBeforeSetLangFileData(&$context, $compiler)
	{
		if (ComponentbuilderHelper::checkArray($this->languageArray))
		{
			foreach($this->languageArray as $key => $string)
			{
				$compiler->setLangContent('site', $key, $string);
			}
		}
	}

	/**
	 * get the Helper methods needed to integrate with Joomla Privacy Suite
	 * 
	 * @param   string   $helperMethods  The helper methods string
	 *
	 * @return  void
	 *
	 * @since   1.0
	 */
	protected function getHelperMethod(&$events)
	{
		$methods = '';
		foreach ($events as $event => $add)
		{
			// check if the even should be added
			if ($add)
			{
				// add the event
				$this->{'set'.$event}($methods);
			}
		}
		// only add header if there was events added
		if (ComponentbuilderHelper::checkString($methods))
		{
			$methods = PHP_EOL . PHP_EOL . $this->_t(1) . "//" . $this->setLine(__LINE__) . " <<<=== Privacy integration with Joomla Privacy suite ===>>>" . PHP_EOL . $methods;
		}

		return $methods;
	}

	/**
	 * Set Privacy Can Remove Data
	 * 
	 * @param   string   $methods  The methods string
	 * 
	 * @return  void
	 * 
	 */
	protected function setPrivacyCanRemoveData(&$methods)
	{
		$methods .= PHP_EOL . $this->_t(1) . "/**";
		$methods .= PHP_EOL . $this->_t(1) . " * Performs validation to determine if the data associated with a remove information request can be processed";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   PrivacyPlugin  \$plugin  The plugin being processed";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   PrivacyRemovalStatus  \$status  The status being set";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   PrivacyTableRequest  \$request  The request record being processed";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   JUser                \$user     The user account associated with this request if available";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @return  PrivacyRemovalStatus";
		$methods .= PHP_EOL . $this->_t(1) . " */";
		$methods .= PHP_EOL . $this->_t(1) . "public static function onPrivacyCanRemoveData(&\$plugin, &\$status, &\$request, &\$user)";
		$methods .= PHP_EOL . $this->_t(1) . "{";
		$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " Bucket to get all reasons why removal not allowed";
		$methods .= PHP_EOL . $this->_t(2) . "\$reasons = array();";
		foreach ($this->activeViews as $view)
		{
			// set view single name
			$viewName_single = ComponentbuilderHelper::safeString($view->name_single);
			// setup correct core target
			$coreLoad = false;
			if (isset($this->permissionCore[$viewName_single]))
			{
				$core = $this->permissionCore[$viewName_single];
				$coreLoad = true;
			}
			// load the canDo from getActions helper method
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " Check if user has permission to delete " . $view->name_list;
			// set the if statement based on the permission builder
			if ($coreLoad && isset($this->permissionBuilder[$core['core.delete']]) && ComponentbuilderHelper::checkArray($this->permissionBuilder[$core['core.delete']]) && in_array($viewName_single, $this->permissionBuilder[$core['core.delete']]))
			{
				$methods .= PHP_EOL . $this->_t(2) . "if (!\$user->authorise('" . $core['core.delete'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "') && !\$user->authorise('" . $core['core.privacy.delete'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "'))";
			}
			else
			{
				$methods .= PHP_EOL . $this->_t(2) . "if (!\$user->authorise('core.delete', 'com_" . $this->bbb . "component" . $this->ddd . "') && !\$user->authorise('" . $core['core.privacy.delete'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "'))";
			}
			$methods .= PHP_EOL . $this->_t(2) . "{";
			// set language key
			$lang_key = $view->placeholders[$this->bbb . "LANG_PREFIX" . $this->ddd] . '_PRIVACY_CANT_REMOVE_' . $view->placeholders[$this->bbb . "VIEWS" . $this->ddd];
			// set language string
			$this->languageArray[$lang_key] = "You do not have permission to remove/delete ". $view->name_list . ".";
			$methods .= PHP_EOL . $this->_t(3) . "\$reasons[] = JTe" . "xt::_('" . $lang_key . "');";
			$methods .= PHP_EOL . $this->_t(2) . "}";
			// set language key
			$lang_key = $view->placeholders[$this->bbb . "LANG_PREFIX" . $this->ddd] . '_PRIVACY_CANT_REMOVE_CONTACT_SUPPORT';
		}
		$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " Check if any reasons were found not to allow removal";
		$methods .= PHP_EOL . $this->_t(2) . "if (self::checkArray(\$reasons))";
		$methods .= PHP_EOL . $this->_t(2) . "{";
		$methods .= PHP_EOL . $this->_t(3) . "\$status->canRemove = false;";
		// set language string
		$this->languageArray[$lang_key] = 'Please contact support for more details.';
		$methods .= PHP_EOL . $this->_t(3) . "\$status->reason = implode(' ' . PHP_EOL, \$reasons) . ' ' . PHP_EOL . JTe" . "xt::_('" . $lang_key . "');";
		$methods .= PHP_EOL . $this->_t(2) . "}";
		$methods .= PHP_EOL . $this->_t(2) . "return \$status;";
		$methods .= PHP_EOL . $this->_t(1) . "}" . PHP_EOL;
	}

	/**
	 * Set Privacy Export Request
	 * 
	 * @param   string   $methods  The methods string
	 * 
	 * @return  void
	 * 
	 */
	protected function setPrivacyExportRequest(&$methods)
	{
		$methods .= PHP_EOL . $this->_t(1) . "/**";
		$methods .= PHP_EOL . $this->_t(1) . " * Processes an export request for Joomla core user data";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   PrivacyPlugin  \$plugin  The plugin being processed";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   DomainArray  \$domains  The array of domains";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   PrivacyTableRequest  \$request  The request record being processed";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   JUser                \$user     The user account associated with this request if available";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @return  PrivacyExportDomain[]";
		$methods .= PHP_EOL . $this->_t(1) . " */";
		$methods .= PHP_EOL . $this->_t(1) . "public static function onPrivacyExportRequest(&\$plugin, &\$domains, &\$request, &\$user)";
		$methods .= PHP_EOL . $this->_t(1) . "{";
		foreach ($this->activeViews as $view)
		{
			// set view list name
			$viewName_list = ComponentbuilderHelper::safeString($view->name_list);
			// set view single name
			$viewName_single = ComponentbuilderHelper::safeString($view->name_single);
			// setup correct core target
			$coreLoad = false;
			if (isset($this->permissionCore[$viewName_single]))
			{
				$core = $this->permissionCore[$viewName_single];
				$coreLoad = true;
			}
			// load the canDo from getActions helper method
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " Check if user has permission to access " . $view->name_list;
			// set the if statement based on the permission builder
			if ($coreLoad  && isset($core['core.access']) && isset($this->permissionBuilder['global'][$core['core.access']]) && ComponentbuilderHelper::checkArray($this->permissionBuilder['global'][$core['core.access']]) && in_array($viewName_single, $this->permissionBuilder['global'][$core['core.access']]))
			{
				$methods .= PHP_EOL . $this->_t(2) . "if (\$user->authorise('" . $core['core.access'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "') || \$user->authorise('" . $core['core.privacy.access'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "'))";
			}
			else
			{
				$methods .= PHP_EOL . $this->_t(2) . "if (\$user->authorise('" . $core['core.privacy.access'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "'))";
			}
			$methods .= PHP_EOL . $this->_t(2) . "{";
			$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Get " . $view->name_single . " domain";
			$methods .= PHP_EOL . $this->_t(3) . "\$domains[] = self::create" . ucfirst($viewName_list) . "Domain(\$plugin, \$user);";
			$methods .= PHP_EOL . $this->_t(2) . "}";
		}
		$methods .= PHP_EOL . $this->_t(2) . "return \$domains;";
		$methods .= PHP_EOL . $this->_t(1) . "}" . PHP_EOL;

		foreach ($this->activeViews as $view)
		{
			// set view list name
			$viewName_list = ComponentbuilderHelper::safeString($view->name_list);
			// set view single name
			$viewName_single = ComponentbuilderHelper::safeString($view->name_single);

			$methods .= PHP_EOL . $this->_t(1) . "/**";
			$methods .= PHP_EOL . $this->_t(1) . " * Create the domain for the " . $view->name_single;
			$methods .= PHP_EOL . $this->_t(1) . " *";
			$methods .= PHP_EOL . $this->_t(1) . " * @param   JTableUser  \$user  The JTableUser object to process";
			$methods .= PHP_EOL . $this->_t(1) . " *";
			$methods .= PHP_EOL . $this->_t(1) . " * @return  PrivacyExportDomain";
			$methods .= PHP_EOL . $this->_t(1) . " */";
			$methods .= PHP_EOL . $this->_t(1) . "protected static function create" . ucfirst($viewName_list) . "Domain(&\$plugin, &\$user)";
			$methods .= PHP_EOL . $this->_t(1) . "{";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " create " . $view->name_list . " domain";
			$methods .= PHP_EOL . $this->_t(2) . "\$domain = self::createDomain('" . $viewName_single . "', '" . $this->bbb . "component" . $this->ddd . "_" . $viewName_single . "_data');";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " get database object";
			$methods .= PHP_EOL . $this->_t(2) . "\$db = JFactory::getDbo();";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " get all item ids of " . $view->name_list . " that belong to this user";
			$methods .= PHP_EOL . $this->_t(2) . "\$query = \$db->getQuery(true)";
			$methods .= PHP_EOL . $this->_t(3) . "->select('id')";
			$methods .= PHP_EOL . $this->_t(3) . "->from(\$db->quoteName('#__" . $this->bbb . 'component' . $this->ddd . '_' . $viewName_single . "'));";
			// get via custom script
			if (isset($view->params['privacy']['user_link']) && $view->params['privacy']['user_link'] == 3)
			{
				$methods .= PHP_EOL . str_replace(array_keys($view->placeholders), array_values($view->placeholders), $view->params['privacy']['custom_link']);
			}
			// just another field
			elseif (isset($view->params['privacy']['user_link']) && $view->params['privacy']['user_link'] == 2 && isset($view->params['privacy']['other_user_field']))
			{
				// get the field name
				if (($field_name = $this->getFieldName($view->fields, $view->params['privacy']['other_user_field'])) !== false)
				{
					$methods .= PHP_EOL . $this->_t(2) . "\$query->where(\$db->quoteName('" . $field_name . "') . ' = ' . \$db->quote(\$user->id));";
				}
				else
				{
					// give a warning message (TODO)

					// stop any from loading
					$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " ==== ERROR ===== ERROR ====== (field name not found)";
					$methods .= PHP_EOL . $this->_t(2) . "\$query->where(\$db->quoteName('id') . ' = -2'; //" . $this->setLine(__LINE__) . " <-- this will never return any value. Check your [other user field] selected in the admin view privacy tab.";
				}
			}
			// get based on created by
			else
			{
				$methods .= PHP_EOL . $this->_t(2) . "\$query->where(\$db->quoteName('created_by') . ' = ' . \$db->quote(\$user->id));";
			}
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " get all items for the " . $view->name_list . " domain";
			$methods .= PHP_EOL . $this->_t(2) . "\$pks = \$db->setQuery(\$query)->loadColumn();";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " get the " . $view->name_list . " model";
			$methods .= PHP_EOL . $this->_t(2) . "\$model = self::getModel('" . $viewName_list . "', JPATH_ADMINISTRATOR . '/components/com_" . $this->bbb . "component" . $this->ddd . "');";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " Get all item details of " . $view->name_list . " that belong to this user";
			$methods .= PHP_EOL . $this->_t(2) . "\$items = \$model->getPrivacyExport(\$pks, \$user);";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " check if we have items since permissions could block the request";
			$methods .= PHP_EOL . $this->_t(2) . "if (self::checkArray(\$items))";
			$methods .= PHP_EOL . $this->_t(2) . "{";
			$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Remove " . $view->name_single . " default columns";
			$methods .= PHP_EOL . $this->_t(3) . "foreach (array('params', 'asset_id', 'checked_out', 'checked_out_time', 'created', 'created_by', 'modified', 'modified_by', 'published', 'ordering', 'access', 'version', 'hits') as \$column)";
			$methods .= PHP_EOL . $this->_t(3) . "{";
			$methods .= PHP_EOL . $this->_t(4) . "\$items = ArrayHelper::dropColumn(\$items, \$column);";
			$methods .= PHP_EOL . $this->_t(3) . "}";
			$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " load the items into the domain object";
			$methods .= PHP_EOL . $this->_t(3) . "foreach (\$items as \$item)";
			$methods .= PHP_EOL . $this->_t(3) . "{";
			$methods .= PHP_EOL . $this->_t(4) . "\$domain->addItem(self::createItemFromArray(\$item, \$item['id']));";
			$methods .= PHP_EOL . $this->_t(3) . "}";
			$methods .= PHP_EOL . $this->_t(2) . "}";
			$methods .= PHP_EOL . $this->_t(2) . "return \$domain;";
			$methods .= PHP_EOL . $this->_t(1) . "}" . PHP_EOL;
		}
		// we must add these helper methods
		$methods .= PHP_EOL . $this->_t(1) . "/**";
		$methods .= PHP_EOL . $this->_t(1) . " * Create a new domain object";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   string  \$name         The domain's name";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   string  \$description  The domain's description";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @return  PrivacyExportDomain";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @since   3.9.0";
		$methods .= PHP_EOL . $this->_t(1) . " */";
		$methods .= PHP_EOL . $this->_t(1) . "protected static function createDomain(\$name, \$description = '')";
		$methods .= PHP_EOL . $this->_t(1) . "{";
		$methods .= PHP_EOL . $this->_t(2) . "\$domain              = new PrivacyExportDomain;";
		$methods .= PHP_EOL . $this->_t(2) . "\$domain->name        = \$name;";
		$methods .= PHP_EOL . $this->_t(2) . "\$domain->description = \$description;";

		$methods .= PHP_EOL . PHP_EOL . $this->_t(2) . "return \$domain;";
		$methods .= PHP_EOL . $this->_t(1) . "}";

		$methods .= PHP_EOL . PHP_EOL . $this->_t(1) . "/**";
		$methods .= PHP_EOL . $this->_t(1) . " * Create an item object for an array";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   array         \$data    The array data to convert";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   integer|null  \$itemId  The ID of this item";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @return  PrivacyExportItem";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @since   3.9.0";
		$methods .= PHP_EOL . $this->_t(1) . " */";
		$methods .= PHP_EOL . $this->_t(1) . "protected static function createItemFromArray(array \$data, \$itemId = null)";
		$methods .= PHP_EOL . $this->_t(1) . "{";
		$methods .= PHP_EOL . $this->_t(2) . "\$item = new PrivacyExportItem;";
		$methods .= PHP_EOL . $this->_t(2) . "\$item->id = \$itemId;";

		$methods .= PHP_EOL . PHP_EOL . $this->_t(2) . "foreach (\$data as \$key => \$value)";
		$methods .= PHP_EOL . $this->_t(2) . "{";
		$methods .= PHP_EOL . $this->_t(3) . "if (is_object(\$value))";
		$methods .= PHP_EOL . $this->_t(3) . "{";
		$methods .= PHP_EOL . $this->_t(4) . "\$value = (array) \$value;";
		$methods .= PHP_EOL . $this->_t(3) . "}";

		$methods .= PHP_EOL . PHP_EOL . $this->_t(3) . "if (is_array(\$value))";
		$methods .= PHP_EOL . $this->_t(3) . "{";
		$methods .= PHP_EOL . $this->_t(4) . "\$value = print_r(\$value, true);";
		$methods .= PHP_EOL . $this->_t(3) . "}";

		$methods .= PHP_EOL . PHP_EOL . $this->_t(3) . "\$field        = new PrivacyExportField;";
		$methods .= PHP_EOL . $this->_t(3) . "\$field->name  = \$key;";
		$methods .= PHP_EOL . $this->_t(3) . "\$field->value = \$value;";

		$methods .= PHP_EOL . PHP_EOL . $this->_t(3) . "\$item->addField(\$field);";
		$methods .= PHP_EOL . $this->_t(2) . "}";

		$methods .= PHP_EOL . PHP_EOL . $this->_t(2) . "return \$item;";
		$methods .= PHP_EOL . $this->_t(1) . "}" . PHP_EOL;
	}

	/**
	 * get the field name
	 * 
	 * @param   array   $fields  The fields array
	 * @param   int       $id       The field id
	 * 
	 * @return  string    The field name
	 * 
	 */
	protected function getFieldName(&$fields, $id)
	{
		foreach ($fields as $field)
		{
			if ($field['field'] == $id)
			{
				return $field['base_name'];
			}
		}
		return false;
	}

	/**
	 * Set Privacy Remove Data
	 * 
	 * @param   string   $methods  The methods string
	 * 
	 * @return  void
	 * 
	 */
	protected function setPrivacyRemoveData(&$methods)
	{
		$methods .= PHP_EOL . $this->_t(1) . "/**";
		$methods .= PHP_EOL . $this->_t(1) . " * Removes the data associated with a remove information request";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   PrivacyTableRequest  \$request  The request record being processed";
		$methods .= PHP_EOL . $this->_t(1) . " * @param   JUser                \$user     The user account associated with this request if available";
		$methods .= PHP_EOL . $this->_t(1) . " *";
		$methods .= PHP_EOL . $this->_t(1) . " * @return  void";
		$methods .= PHP_EOL . $this->_t(1) . " */";
		$methods .= PHP_EOL . $this->_t(1) . "public static function onPrivacyRemoveData(&\$plugin, &\$request, &\$user)";
		$methods .= PHP_EOL . $this->_t(1) . "{";
		foreach ($this->activeViews as $view)
		{
			// set the anonymize switch
			$anonymize = false;
			if (isset($view->params['privacy']['anonymize']) && $view->params['privacy']['anonymize'] == 1 && isset($view->params['privacy']['anonymize_fields']) && ComponentbuilderHelper::checkArray($view->params['privacy']['anonymize_fields'], true))
			{
				// Anonymize the data
				$anonymize = true;
			}
			// set view list name
			$viewName_list = ComponentbuilderHelper::safeString($view->name_list);
			// set view single name
			$viewName_single = ComponentbuilderHelper::safeString($view->name_single);
			// setup correct core target
			$coreLoad = false;
			if (isset($this->permissionCore[$viewName_single]))
			{
				$core = $this->permissionCore[$viewName_single];
				$coreLoad = true;
			}
			// load the canDo from getActions helper method
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " Check if user has permission to delet " . $view->name_list;
			// set the if statement based on the permission builder
			if ($coreLoad && isset($this->permissionBuilder[$core['core.delete']]) && ComponentbuilderHelper::checkArray($this->permissionBuilder[$core['core.delete']]) && in_array($viewName_single, $this->permissionBuilder[$core['core.delete']]))
			{
				$methods .= PHP_EOL . $this->_t(2) . "if (\$user->authorise('" . $core['core.delete'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "') || \$user->authorise('" . $core['core.privacy.delete'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "'))";
			}
			else
			{
				$methods .= PHP_EOL . $this->_t(2) . "if (\$user->authorise('core.delete', 'com_" . $this->bbb . "component" . $this->ddd . "') || \$user->authorise('" . $core['core.privacy.delete'] . "', 'com_" . $this->bbb . "component" . $this->ddd . "'))";
			}
			$methods .= PHP_EOL . $this->_t(2) . "{";
			// check if this is a plain delete, or it is a Anonymize 
			if ($anonymize)
			{
				// anonymize the data
				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Anonymize " . $view->name_single . " data";
				$methods .= PHP_EOL . $this->_t(3) . "self::anonymize" . ucfirst($viewName_list) . "Data(\$plugin, \$user);";
			}
			else
			{
				// just dump, delete the rows
				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Remove " . $view->name_single . " data";
				$methods .= PHP_EOL . $this->_t(3) . "self::remove" . ucfirst($viewName_list) . "Data(\$plugin, \$user);";
			}
			$methods .= PHP_EOL . $this->_t(2) . "}";
		}
		$methods .= PHP_EOL . $this->_t(1) . "}" . PHP_EOL;

		foreach ($this->activeViews as $view)
		{
			// set the anonymize switch
			$anonymize = false;
			if (isset($view->params['privacy']['anonymize']) && $view->params['privacy']['anonymize'] == 1 && isset($view->params['privacy']['anonymize_fields']) && ComponentbuilderHelper::checkArray($view->params['privacy']['anonymize_fields'], true))
			{
				// Anonymize the data
				$anonymize = true;
			}
			// set view list name
			$viewName_list = ComponentbuilderHelper::safeString($view->name_list);
			// set view single name
			$viewName_single = ComponentbuilderHelper::safeString($view->name_single);

			$methods .= PHP_EOL . $this->_t(1) . "/**";

			// check if this is a plain delete, or it is a Anonymize
			if ($anonymize)
			{
				// Anonymize the data
				$methods .= PHP_EOL . $this->_t(1) . " * Anonymize the " . $view->name_single . " data";
			}
			else
			{
				// Delete the rows
				$methods .= PHP_EOL . $this->_t(1) . " * Remove the " . $view->name_single . " data";
			}

			$methods .= PHP_EOL . $this->_t(1) . " *";
			$methods .= PHP_EOL . $this->_t(1) . " * @param   JTableUser  \$user  The JTableUser object to process";
			$methods .= PHP_EOL . $this->_t(1) . " *";
			$methods .= PHP_EOL . $this->_t(1) . " * @return  void";
			$methods .= PHP_EOL . $this->_t(1) . " */";

			// check if this is a plain delete, or it is a Anonymize 
			if ($anonymize)
			{
				// Anonymize the data
				$methods .= PHP_EOL . $this->_t(1) . "protected static function anonymize" . ucfirst($viewName_list) . "Data(&\$plugin, &\$user)";
			}
			else
			{
				// Delete the rows
				$methods .= PHP_EOL . $this->_t(1) . "protected static function remove" . ucfirst($viewName_list) . "Data(&\$plugin, &\$user)";
			}

			$methods .= PHP_EOL . $this->_t(1) . "{";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " get database object";
			$methods .= PHP_EOL . $this->_t(2) . "\$db = JFactory::getDbo();";
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " get all item ids of " . $view->name_list . " that belong to this user";
			$methods .= PHP_EOL . $this->_t(2) . "\$query = \$db->getQuery(true)";
			$methods .= PHP_EOL . $this->_t(3) . "->select('id')";
			$methods .= PHP_EOL . $this->_t(3) . "->from(\$db->quoteName('#__" . $this->bbb . 'component' . $this->ddd . '_' . $viewName_single . "'));";
			// get via custom script
			if (isset($view->params['privacy']['user_link']) && $view->params['privacy']['user_link'] == 3)
			{
				$methods .= PHP_EOL . str_replace(array_keys($view->placeholders), array_values($view->placeholders), $view->params['privacy']['custom_link']);
			}
			// just another field
			elseif (isset($view->params['privacy']['user_link']) && $view->params['privacy']['user_link'] == 2 && isset($view->params['privacy']['other_user_field']))
			{
				// get the field name
				if (($field_name = $this->getFieldName($view->fields, $view->params['privacy']['other_user_field'])) !== false)
				{
					$methods .= PHP_EOL . $this->_t(2) . "\$query->where(\$db->quoteName('" . $field_name . "') . ' = ' . \$db->quote(\$user->id));";
				}
				else
				{
					// give a warning message (TODO)

					// stop any from loading
					$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " ==== ERROR ===== ERROR ====== (field name not found)";
					$methods .= PHP_EOL . $this->_t(2) . "\$query->where(\$db->quoteName('id') . ' = -2'; //" . $this->setLine(__LINE__) . " <-- this will never return any value. Check your [other user field] selected in the admin view privacy tab.";
				}
			}
			// get based on created by
			else
			{
				$methods .= PHP_EOL . $this->_t(2) . "\$query->where(\$db->quoteName('created_by') . ' = ' . \$db->quote(\$user->id));";
			}
			$methods .= PHP_EOL . $this->_t(2) . "//" . $this->setLine(__LINE__) . " get all items for the " . $view->name_list . " table that belong to this user";
			$methods .= PHP_EOL . $this->_t(2) . "\$pks = \$db->setQuery(\$query)->loadColumn();";

			$methods .= PHP_EOL .PHP_EOL .  $this->_t(2) . "if (self::checkArray(\$pks))";
			$methods .= PHP_EOL . $this->_t(2) . "{";
			$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " get the " . $viewName_single . " model";
			$methods .= PHP_EOL . $this->_t(3) . "\$model = self::getModel('" . $viewName_single . "', JPATH_ADMINISTRATOR . '/components/com_" . $this->bbb . "component" . $this->ddd . "');";
			// check if this is a plain delete, or it is a Anonymize 
			if ($anonymize)
			{
				// build the pseudoanonymised data array
				$_data_bucket = array();
				$_random_bucket = array();
				$_permission_bucket = array();
				foreach ($view->params['privacy']['anonymize_fields'] as $row)
				{
					if (($field_name = $this->getFieldName($view->fields, $row['field'])) !== false)
					{
						if  ('RANDOM' === $row['value']) 
						{
							$_random_bucket[$field_name] = 8; // (TODO) make the size dynamic
						}
						$_data_bucket[] = PHP_EOL . $this->_t(4) . "'" . $field_name . "' => '" . $row['value'] ."'";
						$_permission_bucket[$field_name] = $field_name;
					}
				}
				// Anonymize the data
				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " this is the pseudoanonymised data array for " . $view->name_list;
				$methods .= PHP_EOL . $this->_t(3) . "\$pseudoanonymisedData = array(";
				$methods .= implode(',', $_data_bucket);
				$methods .= PHP_EOL . $this->_t(3) . ");";

				// add the permissional removal of values the user has not right to view or access
				$hasPermissional = false;
				if (isset($this->permissionFields[$viewName_single]) && ComponentbuilderHelper::checkArray($this->permissionFields[$viewName_single]))
				{
					foreach ($this->permissionFields[$viewName_single] as $fieldName => $permission_options)
					{
						if (!$hasPermissional && isset($_permission_bucket[$fieldName]))
						{
							foreach($permission_options as $permission_option => $fieldType)
							{
								if (!$hasPermissional)
								{
									switch ($permission_option)
									{
										case 'access':
										case 'view':
										case 'edit':
											$hasPermissional = true;
										break;
									}
								}
							}
						}
					}
					// add the notes and get the global switch
					if ($hasPermissional)
					{
						$methods .= PHP_EOL . PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Get global permissional control activation. (default is inactive)";
						$methods .= PHP_EOL . $this->_t(3) . "\$strict_permission_per_field = JComponentHelper::getParams('com_" . $this->bbb . "component" . $this->ddd . "')->get('strict_permission_per_field', 0);";
						$methods .= PHP_EOL . $this->_t(3) . "if(\$strict_permission_per_field)";
						$methods .= PHP_EOL . $this->_t(3) . "{";
						$methods .= PHP_EOL . $this->_t(4) . "//" . $this->setLine(__LINE__) . " remove all fields that is not permitted to be changed";
						foreach ($this->permissionFields[$viewName_single] as $fieldName => $permission_options)
						{
							if (isset($_permission_bucket[$fieldName]))
							{
								$methods .= PHP_EOL . $this->_t(4) . "if (";
								$_permission_if = array();
								foreach ($permission_options as $perm_key => $field_typrew)
								{
									$_permission_if[] = "!\$user->authorise('" . $viewName_single . "." . $perm_key . "." . $fieldName . "', 'com_" . $this->bbb . "component" . $this->ddd . "')";
								}
								$methods .=  implode(' || ', $_permission_if);
								$methods .=  ")";
								$methods .= PHP_EOL . $this->_t(4) . "{";
								$methods .= PHP_EOL . $this->_t(5) . "unset(\$pseudoanonymisedData['". $fieldName . "']);";
								$methods .= PHP_EOL . $this->_t(4) . "}";
							}
						}
						$methods .= PHP_EOL . $this->_t(3) . "}";
					}
				}


				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " get the " . $view->name_list . " table";
				$methods .= PHP_EOL . $this->_t(3) . "\$table = \$model->getTable();";

				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " check that we still have pseudoanonymised data for " . $view->name_list . " set";
				$methods .= PHP_EOL . $this->_t(3) . "if (!self::checkArray(\$pseudoanonymisedData))";
				$methods .= PHP_EOL . $this->_t(3) . "{";
				$methods .= PHP_EOL . $this->_t(4) . "//" . $this->setLine(__LINE__) . " still archive all items";
				$methods .= PHP_EOL . $this->_t(4) . "\$table->publish(\$pks, 2);";
				$methods .= PHP_EOL . $this->_t(4) . "return false;";
				$methods .= PHP_EOL . $this->_t(3) . "}";

				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Iterate the items to anonimize each one.";
				$methods .= PHP_EOL . $this->_t(3) . "foreach (\$pks as \$i => \$pk)";
				$methods .= PHP_EOL . $this->_t(3) . "{";
				$methods .= PHP_EOL . $this->_t(4) . "\$table->reset();";
				$methods .= PHP_EOL . $this->_t(4) . "\$pseudoanonymisedData['id'] = \$pk;";
				if (ComponentbuilderHelper::checkArray($_random_bucket))
				{
					foreach ($_random_bucket as $fieldName => $size)
					{
						$methods .= PHP_EOL . $this->_t(4) . "if (isset(\$pseudoanonymisedData['" . $fieldName . "']))";
						$methods .= PHP_EOL . $this->_t(4) . "{";
						$methods .= PHP_EOL . $this->_t(5) . "\$pseudoanonymisedData['" . $fieldName . "'] = self::randomkey(" . (int) $size . ");";
						$methods .= PHP_EOL . $this->_t(4) . "}";
					}
				}
				$methods .= PHP_EOL . PHP_EOL . $this->_t(4) . "if (\$table->bind(\$pseudoanonymisedData))";
				$methods .= PHP_EOL . $this->_t(4) . "{";
				$methods .= PHP_EOL . $this->_t(5) . "\$table->store();";
				$methods .= PHP_EOL . $this->_t(4) . "}";
				$methods .= PHP_EOL . $this->_t(3) . "}";

				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " archive all items";
				$methods .= PHP_EOL . $this->_t(3) . "\$table->publish(\$pks, 2);";
			}
			else
			{
				// Delete the rows
				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " get the " . $view->name_list . " table";
				$methods .= PHP_EOL . $this->_t(3) . "\$table = \$model->getTable();";
				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Iterate the items to delete each one.";
				$methods .= PHP_EOL . $this->_t(3) . "foreach (\$pks as \$i => \$pk)";
				$methods .= PHP_EOL . $this->_t(3) . "{";
				$methods .= PHP_EOL . $this->_t(4) . "if (\$table->load(\$pk))";
				$methods .= PHP_EOL . $this->_t(4) . "{";
				$methods .= PHP_EOL . $this->_t(5) . "\$table->delete(\$pk);";
				$methods .= PHP_EOL . $this->_t(4) . "}";
				$methods .= PHP_EOL . $this->_t(3) . "}";
				$methods .= PHP_EOL . $this->_t(3) . "//" . $this->setLine(__LINE__) . " Clear the component's cache";
				$methods .= PHP_EOL . $this->_t(3) . "\$model->cleanCache();";
			}
			$methods .= PHP_EOL . $this->_t(2) . "}";
			$methods .= PHP_EOL . $this->_t(1) . "}" . PHP_EOL;
		}
	}

	/**
	 * Set the line number in comments
	 * 
	 * @param   int   $nr  The line number
	 * 
	 * @return  void
	 * 
	 */
	protected function setLine($nr)
	{
		if ($this->debugLinenr)
		{
			return ' [Plugin-Privacy-Compiler ' . $nr . ']';
		}
		return '';
	}

	/**
	 * Set the tab/space
	 * 
	 * @param   int   $nr  The number of tag/space
	 * 
	 * @return  string
	 * 
	 */
	protected function _t($nr)
	{
		// use global method for conformity
		return ComponentbuilderHelper::_t($nr);
	}

}