738 lines
20 KiB
PHP
738 lines
20 KiB
PHP
<?php
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/*----------------------------------------------------------------------------------| www.vdm.io |----/
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Vast Development Method
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/-------------------------------------------------------------------------------------------------------/
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@version 2.0.0
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@build 13th September, 2018
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@created 18th October, 2016
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@package Demo
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@subpackage import.php
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@author Llewellyn van der Merwe <https://www.vdm.io/>
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@copyright Copyright (C) 2015. All Rights Reserved
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@license GNU/GPL Version 2 or later - http://www.gnu.org/licenses/gpl-2.0.html
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____ _____ _____ __ __ __ __ ___ _____ __ __ ____ _____ _ _ ____ _ _ ____
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(_ _)( _ )( _ )( \/ )( ) /__\ / __)( _ )( \/ )( _ \( _ )( \( )( ___)( \( )(_ _)
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.-_)( )(_)( )(_)( ) ( )(__ /(__)\ ( (__ )(_)( ) ( )___/ )(_)( ) ( )__) ) ( )(
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\____) (_____)(_____)(_/\/\_)(____)(__)(__) \___)(_____)(_/\/\_)(__) (_____)(_)\_)(____)(_)\_) (__)
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/------------------------------------------------------------------------------------------------------*/
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// No direct access to this file
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defined('_JEXEC') or die('Restricted access');
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/**
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* Demo Import Model
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*/
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class DemoModelImport extends JModelLegacy
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{
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// set uploading values
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protected $use_streams = false;
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protected $allow_unsafe = false;
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protected $safeFileOptions = array();
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/**
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* @var object JTable object
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*/
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protected $_table = null;
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/**
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* @var object JTable object
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*/
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protected $_url = null;
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/**
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* Model context string.
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*
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* @var string
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*/
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protected $_context = 'com_demo.import';
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/**
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* Import Settings
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*/
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protected $getType = NULL;
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protected $dataType = NULL;
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/**
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* Method to auto-populate the model state.
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*
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* Note. Calling getState in this method will result in recursion.
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*
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* @return void
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*
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*/
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protected function populateState()
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{
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$app = JFactory::getApplication('administrator');
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$this->setState('message', $app->getUserState('com_demo.message'));
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$app->setUserState('com_demo.message', '');
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// Recall the 'Import from Directory' path.
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$path = $app->getUserStateFromRequest($this->_context . '.import_directory', 'import_directory', $app->get('tmp_path'));
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$this->setState('import.directory', $path);
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parent::populateState();
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}
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/**
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* Import an spreadsheet from either folder, url or upload.
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*
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* @return boolean result of import
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*
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*/
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public function import()
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{
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$this->setState('action', 'import');
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$app = JFactory::getApplication();
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$session = JFactory::getSession();
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$package = null;
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$continue = false;
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// get import type
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$this->getType = $app->input->getString('gettype', NULL);
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// get import type
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$this->dataType = $session->get('dataType_VDM_IMPORTINTO', NULL);
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if ($package === null)
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{
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switch ($this->getType)
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{
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case 'folder':
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// Remember the 'Import from Directory' path.
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$app->getUserStateFromRequest($this->_context . '.import_directory', 'import_directory');
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$package = $this->_getPackageFromFolder();
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break;
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case 'upload':
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$package = $this->_getPackageFromUpload();
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break;
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case 'url':
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$package = $this->_getPackageFromUrl();
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break;
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case 'continue':
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$continue = true;
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$package = $session->get('package', null);
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$package = json_decode($package, true);
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// clear session
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$session->clear('package');
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$session->clear('dataType');
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$session->clear('hasPackage');
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break;
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default:
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$app->setUserState('com_demo.message', JText::_('COM_DEMO_IMPORT_NO_IMPORT_TYPE_FOUND'));
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return false;
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break;
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}
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}
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// Was the package valid?
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if (!$package || !$package['type'])
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{
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if (in_array($this->getType, array('upload', 'url')))
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{
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$this->remove($package['packagename']);
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}
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$app->setUserState('com_demo.message', JText::_('COM_DEMO_IMPORT_UNABLE_TO_FIND_IMPORT_PACKAGE'));
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return false;
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}
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// first link data to table headers
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if(!$continue){
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$package = json_encode($package);
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$session->set('package', $package);
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$session->set('dataType', $this->dataType);
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$session->set('hasPackage', true);
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return true;
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}
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// set the data
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$headerList = json_decode($session->get($this->dataType.'_VDM_IMPORTHEADERS', false), true);
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if (!$this->setData($package,$this->dataType,$headerList))
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{
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// There was an error importing the package
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$msg = JText::_('COM_DEMO_IMPORT_ERROR');
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$back = $session->get('backto_VDM_IMPORT', NULL);
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if ($back)
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{
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$app->setUserState('com_demo.redirect_url', 'index.php?option=com_demo&view='.$back);
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$session->clear('backto_VDM_IMPORT');
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}
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$result = false;
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}
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else
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{
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// Package imported sucessfully
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$msg = JText::sprintf('COM_DEMO_IMPORT_SUCCESS', $package['packagename']);
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$back = $session->get('backto_VDM_IMPORT', NULL);
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if ($back)
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{
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$app->setUserState('com_demo.redirect_url', 'index.php?option=com_demo&view='.$back);
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$session->clear('backto_VDM_IMPORT');
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}
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$result = true;
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}
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// Set some model state values
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$app->enqueueMessage($msg);
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// remove file after import
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$this->remove($package['packagename']);
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$session->clear($this->getType.'_VDM_IMPORTHEADERS');
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return $result;
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}
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/**
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* Works out an importation spreadsheet from a HTTP upload
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*
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* @return spreadsheet definition or false on failure
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*/
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protected function _getPackageFromUpload()
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{
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// Get the uploaded file information
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$app = JFactory::getApplication();
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$input = $app->input;
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// Do not change the filter type 'raw'. We need this to let files containing PHP code to upload. See JInputFiles::get.
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$userfile = $input->files->get('import_package', null, 'raw');
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// Make sure that file uploads are enabled in php
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if (!(bool) ini_get('file_uploads'))
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{
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_WARNIMPORTFILE'), 'warning');
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return false;
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}
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// If there is no uploaded file, we have a problem...
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if (!is_array($userfile))
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{
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_NO_FILE_SELECTED'), 'warning');
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return false;
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}
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// Check if there was a problem uploading the file.
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if ($userfile['error'] || $userfile['size'] < 1)
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{
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_WARNIMPORTUPLOADERROR'), 'warning');
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return false;
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}
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// Build the appropriate paths
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$config = JFactory::getConfig();
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$tmp_dest = $config->get('tmp_path') . '/' . $userfile['name'];
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$tmp_src = $userfile['tmp_name'];
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// Move uploaded file
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jimport('joomla.filesystem.file');
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$p_file = JFile::upload($tmp_src, $tmp_dest, $this->use_streams, $this->allow_unsafe, $this->safeFileOptions);
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// Was the package downloaded?
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if (!$p_file)
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{
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$session = JFactory::getSession();
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$session->clear('package');
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$session->clear('dataType');
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$session->clear('hasPackage');
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// was not uploaded
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return false;
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}
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// check that this is a valid spreadsheet
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$package = $this->check($userfile['name']);
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return $package;
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}
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/**
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* Import an spreadsheet from a directory
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*
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* @return array Spreadsheet details or false on failure
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*
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*/
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protected function _getPackageFromFolder()
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{
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$app = JFactory::getApplication();
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$input = $app->input;
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// Get the path to the package to import
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$p_dir = $input->getString('import_directory');
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$p_dir = JPath::clean($p_dir);
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// Did you give us a valid path?
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if (!file_exists($p_dir))
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{
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_PLEASE_ENTER_A_PACKAGE_DIRECTORY'), 'warning');
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return false;
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}
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// Detect the package type
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$type = $this->getType;
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// Did you give us a valid package?
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if (!$type)
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{
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_PATH_DOES_NOT_HAVE_A_VALID_PACKAGE'), 'warning');
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}
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// check the extention
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if(!$this->checkExtension($p_dir))
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{
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// set error message
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_DOES_NOT_HAVE_A_VALID_FILE_TYPE'), 'warning');
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return false;
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}
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$package['packagename'] = null;
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$package['dir'] = $p_dir;
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$package['type'] = $type;
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return $package;
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}
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/**
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* Import an spreadsheet from a URL
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*
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* @return Package details or false on failure
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*
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*/
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protected function _getPackageFromUrl()
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{
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$app = JFactory::getApplication();
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$input = $app->input;
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// Get the URL of the package to import
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$url = $input->getString('import_url');
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// Did you give us a URL?
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if (!$url)
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{
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_ENTER_A_URL'), 'warning');
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return false;
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}
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// Download the package at the URL given
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$p_file = JInstallerHelper::downloadPackage($url);
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// Was the package downloaded?
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if (!$p_file)
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{
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_INVALID_URL'), 'warning');
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return false;
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}
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// check that this is a valid spreadsheet
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$package = $this->check($p_file);
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return $package;
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}
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/**
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* Check a file and verifies it as a spreadsheet file
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* Supports .csv .xlsx .xls and .ods
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*
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* @param string $p_filename The uploaded package filename or import directory
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*
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* @return array of elements
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*
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*/
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protected function check($archivename)
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{
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$app = JFactory::getApplication();
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// Clean the name
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$archivename = JPath::clean($archivename);
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// check the extention
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if(!$this->checkExtension($archivename))
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{
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// Cleanup the import files
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$this->remove($archivename);
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$app->enqueueMessage(JText::_('COM_DEMO_IMPORT_MSG_DOES_NOT_HAVE_A_VALID_FILE_TYPE'), 'warning');
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return false;
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}
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$config = JFactory::getConfig();
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// set Package Name
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$check['packagename'] = $archivename;
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// set directory
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$check['dir'] = $config->get('tmp_path'). '/' .$archivename;
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// set type
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$check['type'] = $this->getType;
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return $check;
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}
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/**
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* Check the extension
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*
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* @param string $file Name of the uploaded file
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*
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* @return boolean True on success
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*
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*/
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protected function checkExtension($file)
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{
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// check the extention
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switch(strtolower(pathinfo($file, PATHINFO_EXTENSION)))
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{
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case 'xls':
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case 'ods':
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case 'csv':
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return true;
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break;
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}
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return false;
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}
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/**
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* Clean up temporary uploaded spreadsheet
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*
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* @param string $package Name of the uploaded spreadsheet file
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*
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* @return boolean True on success
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*
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*/
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protected function remove($package)
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{
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jimport('joomla.filesystem.file');
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$config = JFactory::getConfig();
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$package = $config->get('tmp_path'). '/' .$package;
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// Is the package file a valid file?
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if (is_file($package))
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{
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JFile::delete($package);
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}
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elseif (is_file(JPath::clean($package)))
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{
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// It might also be just a base filename
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JFile::delete(JPath::clean($package));
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}
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}
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/**
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* Set the data from the spreadsheet to the database
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*
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* @param string $package Paths to the uploaded package file
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*
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* @return boolean false on failure
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*
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**/
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protected function setData($package,$table,$target_headers)
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{
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if (DemoHelper::checkArray($target_headers))
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{
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// make sure the file is loaded
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JLoader::import('PHPExcel', JPATH_COMPONENT_ADMINISTRATOR . '/helpers');
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$jinput = JFactory::getApplication()->input;
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foreach($target_headers as $header)
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{
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$data['target_headers'][$header] = $jinput->getString($header, null);
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}
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// set the data
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if(isset($package['dir']))
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{
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$inputFileType = PHPExcel_IOFactory::identify($package['dir']);
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$excelReader = PHPExcel_IOFactory::createReader($inputFileType);
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$excelReader->setReadDataOnly(true);
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$excelObj = $excelReader->load($package['dir']);
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$data['array'] = $excelObj->getActiveSheet()->toArray(null, true,true,true);
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$excelObj->disconnectWorksheets();
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unset($excelObj);
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return $this->save($data,$table);
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}
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}
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return false;
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}
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/**
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* Save the data from the file to the database
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*
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* @param string $package Paths to the uploaded package file
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*
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* @return boolean false on failure
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*
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**/
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protected function save($data,$table)
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{
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// import the data if there is any
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if(DemoHelper::checkArray($data['array']))
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{
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// get user object
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$user = JFactory::getUser();
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// remove header if it has headers
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$id_key = $data['target_headers']['id'];
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$published_key = $data['target_headers']['published'];
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$ordering_key = $data['target_headers']['ordering'];
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// get the first array set
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$firstSet = reset($data['array']);
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// check if first array is a header array and remove if true
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if($firstSet[$id_key] == 'id' || $firstSet[$published_key] == 'published' || $firstSet[$ordering_key] == 'ordering')
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{
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array_shift($data['array']);
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}
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// make sure there is still values in array and that it was not only headers
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if(DemoHelper::checkArray($data['array']) && $user->authorise($table.'.import', 'com_demo') && $user->authorise('core.import', 'com_demo'))
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{
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// set target.
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$target = array_flip($data['target_headers']);
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// Get a db connection.
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$db = JFactory::getDbo();
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// set some defaults
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$todayDate = JFactory::getDate()->toSql();
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// get global action permissions
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$canDo = DemoHelper::getActions($table);
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$canEdit = $canDo->get('core.edit');
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$canState = $canDo->get('core.edit.state');
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$canCreate = $canDo->get('core.create');
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$hasAlias = $this->getAliasesUsed($table);
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// prosses the data
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foreach($data['array'] as $row)
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{
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$found = false;
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if (isset($row[$id_key]) && is_numeric($row[$id_key]) && $row[$id_key] > 0)
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{
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// raw items import & update!
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$query = $db->getQuery(true);
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$query
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->select('version')
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->from($db->quoteName('#__demo_'.$table))
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->where($db->quoteName('id') . ' = '. $db->quote($row[$id_key]));
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// Reset the query using our newly populated query object.
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$db->setQuery($query);
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$db->execute();
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$found = $db->getNumRows();
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}
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if($found && $canEdit)
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{
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// update item
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$id = $row[$id_key];
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$version = $db->loadResult();
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// reset all buckets
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$query = $db->getQuery(true);
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$fields = array();
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// Fields to update.
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foreach($row as $key => $cell)
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{
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// ignore column
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if ('IGNORE' == $target[$key])
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{
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continue;
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}
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// update modified
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if ('modified_by' == $target[$key])
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{
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continue;
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}
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// update modified
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if ('modified' == $target[$key])
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{
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continue;
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}
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// update version
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if ('version' == $target[$key])
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{
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$cell = (int) $version + 1;
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}
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// verify publish authority
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if ('published' == $target[$key] && !$canState)
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{
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continue;
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}
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// set to update array
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if(in_array($key, $data['target_headers']) && is_numeric($cell))
|
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{
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$fields[] = $db->quoteName($target[$key]) . ' = ' . $cell;
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|
}
|
|
elseif(in_array($key, $data['target_headers']) && is_string($cell))
|
|
{
|
|
$fields[] = $db->quoteName($target[$key]) . ' = ' . $db->quote($cell);
|
|
}
|
|
elseif(in_array($key, $data['target_headers']) && is_null($cell))
|
|
{
|
|
// if import data is null then set empty
|
|
$fields[] = $db->quoteName($target[$key]) . " = ''";
|
|
}
|
|
}
|
|
// load the defaults
|
|
$fields[] = $db->quoteName('modified_by') . ' = ' . $db->quote($user->id);
|
|
$fields[] = $db->quoteName('modified') . ' = ' . $db->quote($todayDate);
|
|
// Conditions for which records should be updated.
|
|
$conditions = array(
|
|
$db->quoteName('id') . ' = ' . $id
|
|
);
|
|
|
|
$query->update($db->quoteName('#__demo_'.$table))->set($fields)->where($conditions);
|
|
$db->setQuery($query);
|
|
$db->execute();
|
|
}
|
|
elseif ($canCreate)
|
|
{
|
|
// insert item
|
|
$query = $db->getQuery(true);
|
|
// reset all buckets
|
|
$columns = array();
|
|
$values = array();
|
|
$version = false;
|
|
// Insert columns. Insert values.
|
|
foreach($row as $key => $cell)
|
|
{
|
|
// ignore column
|
|
if ('IGNORE' == $target[$key])
|
|
{
|
|
continue;
|
|
}
|
|
// remove id
|
|
if ('id' == $target[$key])
|
|
{
|
|
continue;
|
|
}
|
|
// update created
|
|
if ('created_by' == $target[$key])
|
|
{
|
|
continue;
|
|
}
|
|
// update created
|
|
if ('created' == $target[$key])
|
|
{
|
|
continue;
|
|
}
|
|
// Make sure the alias is incremented
|
|
if ('alias' == $target[$key])
|
|
{
|
|
$cell = $this->getAlias($cell,$table);
|
|
}
|
|
// update version
|
|
if ('version' == $target[$key])
|
|
{
|
|
$cell = 1;
|
|
$version = true;
|
|
}
|
|
// set to insert array
|
|
if(in_array($key, $data['target_headers']) && is_numeric($cell))
|
|
{
|
|
$columns[] = $target[$key];
|
|
$values[] = $cell;
|
|
}
|
|
elseif(in_array($key, $data['target_headers']) && is_string($cell))
|
|
{
|
|
$columns[] = $target[$key];
|
|
$values[] = $db->quote($cell);
|
|
}
|
|
elseif(in_array($key, $data['target_headers']) && is_null($cell))
|
|
{
|
|
// if import data is null then set empty
|
|
$columns[] = $target[$key];
|
|
$values[] = "''";
|
|
}
|
|
}
|
|
// load the defaults
|
|
$columns[] = 'created_by';
|
|
$values[] = $db->quote($user->id);
|
|
$columns[] = 'created';
|
|
$values[] = $db->quote($todayDate);
|
|
if (!$version)
|
|
{
|
|
$columns[] = 'version';
|
|
$values[] = 1;
|
|
}
|
|
// Prepare the insert query.
|
|
$query
|
|
->insert($db->quoteName('#__demo_'.$table))
|
|
->columns($db->quoteName($columns))
|
|
->values(implode(',', $values));
|
|
// Set the query using our newly populated query object and execute it.
|
|
$db->setQuery($query);
|
|
$done = $db->execute();
|
|
if ($done)
|
|
{
|
|
$aId = $db->insertid();
|
|
// make sure the access of asset is set
|
|
DemoHelper::setAsset($aId,$table);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
protected function getAlias($name,$type = false)
|
|
{
|
|
// sanitize the name to an alias
|
|
if (JFactory::getConfig()->get('unicodeslugs') == 1)
|
|
{
|
|
$alias = JFilterOutput::stringURLUnicodeSlug($name);
|
|
}
|
|
else
|
|
{
|
|
$alias = JFilterOutput::stringURLSafe($name);
|
|
}
|
|
// must be a uniqe alias
|
|
if ($type)
|
|
{
|
|
return $this->getUniqe($alias,'alias',$type);
|
|
}
|
|
return $alias;
|
|
}
|
|
|
|
/**
|
|
* Method to generate a uniqe value.
|
|
*
|
|
* @param string $field name.
|
|
* @param string $value data.
|
|
* @param string $type table.
|
|
*
|
|
* @return string New value.
|
|
*/
|
|
protected function getUniqe($value,$field,$type)
|
|
{
|
|
// insure the filed is always uniqe
|
|
while (isset($this->uniqeValueArray[$type][$field][$value]))
|
|
{
|
|
$value = JString::increment($value, 'dash');
|
|
}
|
|
$this->uniqeValueArray[$type][$field][$value] = $value;
|
|
return $value;
|
|
}
|
|
|
|
protected function getAliasesUsed($table)
|
|
{
|
|
// Get a db connection.
|
|
$db = JFactory::getDbo();
|
|
// first we check if there is a alias column
|
|
$columns = $db->getTableColumns('#__demo_'.$table);
|
|
if(isset($columns['alias'])){
|
|
// Create a new query object.
|
|
$query = $db->getQuery(true);
|
|
$query->select($db->quoteName(array('alias')));
|
|
$query->from($db->quoteName('#__demo_'.$table));
|
|
$db->setQuery($query);
|
|
$db->execute();
|
|
if ($db->getNumRows())
|
|
{
|
|
$aliases = $db->loadColumn();
|
|
foreach($aliases as $alias)
|
|
{
|
|
$this->uniqeValueArray[$table]['alias'][$alias] = $alias;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|