Component-Builder/admin/compiler/joomla_3/BaseDatabaseModel_import.php

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<?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');
?>
###BOM###
// No direct access to this file
defined('_JEXEC') or die('Restricted access');
###IMPORT_MODEL_HEADER###
/***
* ###Component### Import Base Database Model
*/
class ###Component###ModelImport extends BaseDatabaseModel
{
// set uploading values
protected $use_streams = false;
protected $allow_unsafe = false;
protected $safeFileOptions = array();
/**
* @var object JTable object
*/
protected $_table = null;
/**
* @var object JTable object
*/
protected $_url = null;
/**
* Model context string.
*
* @var string
*/
protected $_context = 'com_###component###.import';
/**
* Import Settings
*/
protected $getType = NULL;
protected $dataType = NULL;
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @return void
*
*/
protected function populateState()
{
$app = JFactory::getApplication('administrator');
$this->setState('message', $app->getUserState('com_###component###.message'));
$app->setUserState('com_###component###.message', '');
// Recall the 'Import from Directory' path.
$path = $app->getUserStateFromRequest($this->_context . '.import_directory', 'import_directory', $app->get('tmp_path'));
$this->setState('import.directory', $path);
parent::populateState();
}
/**
* Import an spreadsheet from either folder, url or upload.
*
* @return boolean result of import
*
*/
public function import()
{
$this->setState('action', 'import');
$app = JFactory::getApplication();
$session = JFactory::getSession();
$package = null;
$continue = false;
// get import type
$this->getType = $app->input->getString('gettype', NULL);
// get import type
$this->dataType = $session->get('dataType_VDM_IMPORTINTO', NULL);
if ($package === null)
{
switch ($this->getType)
{
case 'folder':
// Remember the 'Import from Directory' path.
$app->getUserStateFromRequest($this->_context . '.import_directory', 'import_directory');
$package = $this->_getPackageFromFolder();
break;
case 'upload':
$package = $this->_getPackageFromUpload();
break;
case 'url':
$package = $this->_getPackageFromUrl();
break;
case 'continue':
$continue = true;
$package = $session->get('package', null);
$package = json_decode($package, true);
// clear session
$session->clear('package');
$session->clear('dataType');
$session->clear('hasPackage');
break;
default:
$app->setUserState('com_###component###.message', JText::_('COM_###COMPONENT###_IMPORT_NO_IMPORT_TYPE_FOUND'));
return false;
break;
}
}
// Was the package valid?
if (!$package || !$package['type'])
{
if (in_array($this->getType, array('upload', 'url')))
{
$this->remove($package['packagename']);
}
$app->setUserState('com_###component###.message', JText::_('COM_###COMPONENT###_IMPORT_UNABLE_TO_FIND_IMPORT_PACKAGE'));
return false;
}
// first link data to table headers
if(!$continue){
$package = json_encode($package);
$session->set('package', $package);
$session->set('dataType', $this->dataType);
$session->set('hasPackage', true);
return true;
}
// set the data
$headerList = json_decode($session->get($this->dataType.'_VDM_IMPORTHEADERS', false), true);
if (!$this->setData($package,$this->dataType,$headerList))
{
// There was an error importing the package
$msg = JText::_('COM_###COMPONENT###_IMPORT_ERROR');
$back = $session->get('backto_VDM_IMPORT', NULL);
if ($back)
{
$app->setUserState('com_###component###.redirect_url', 'index.php?option=com_###component###&view='.$back);
$session->clear('backto_VDM_IMPORT');
}
$result = false;
}
else
{
// Package imported sucessfully
$msg = JText::sprintf('COM_###COMPONENT###_IMPORT_SUCCESS', $package['packagename']);
$back = $session->get('backto_VDM_IMPORT', NULL);
if ($back)
{
$app->setUserState('com_###component###.redirect_url', 'index.php?option=com_###component###&view='.$back);
$session->clear('backto_VDM_IMPORT');
}
$result = true;
}
// Set some model state values
$app->enqueueMessage($msg);
// remove file after import
$this->remove($package['packagename']);
$session->clear($this->getType.'_VDM_IMPORTHEADERS');
return $result;
}
/**
* Works out an importation spreadsheet from a HTTP upload
*
* @return spreadsheet definition or false on failure
*/
protected function _getPackageFromUpload()
{
// Get the uploaded file information
$app = JFactory::getApplication();
$input = $app->input;
// Do not change the filter type 'raw'. We need this to let files containing PHP code to upload. See JInputFiles::get.
$userfile = $input->files->get('import_package', null, 'raw');
// Make sure that file uploads are enabled in php
if (!(bool) ini_get('file_uploads'))
{
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_WARNIMPORTFILE'), 'warning');
return false;
}
// If there is no uploaded file, we have a problem...
if (!is_array($userfile))
{
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_NO_FILE_SELECTED'), 'warning');
return false;
}
// Check if there was a problem uploading the file.
if ($userfile['error'] || $userfile['size'] < 1)
{
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_WARNIMPORTUPLOADERROR'), 'warning');
return false;
}
// Build the appropriate paths
$config = JFactory::getConfig();
$tmp_dest = $config->get('tmp_path') . '/' . $userfile['name'];
$tmp_src = $userfile['tmp_name'];
// Move uploaded file
jimport('joomla.filesystem.file');
$p_file = File::upload($tmp_src, $tmp_dest, $this->use_streams, $this->allow_unsafe, $this->safeFileOptions);
// Was the package downloaded?
if (!$p_file)
{
$session = JFactory::getSession();
$session->clear('package');
$session->clear('dataType');
$session->clear('hasPackage');
// was not uploaded
return false;
}
// check that this is a valid spreadsheet
$package = $this->check($userfile['name']);
return $package;
}
/**
* Import an spreadsheet from a directory
*
* @return array Spreadsheet details or false on failure
*
*/
protected function _getPackageFromFolder()
{
$app = JFactory::getApplication();
$input = $app->input;
// Get the path to the package to import
$p_dir = $input->getString('import_directory');
$p_dir = JPath::clean($p_dir);
// Did you give us a valid path?
if (!file_exists($p_dir))
{
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_PLEASE_ENTER_A_PACKAGE_DIRECTORY'), 'warning');
return false;
}
// Detect the package type
$type = $this->getType;
// Did you give us a valid package?
if (!$type)
{
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_PATH_DOES_NOT_HAVE_A_VALID_PACKAGE'), 'warning');
}
// check the extention
if(!$this->checkExtension($p_dir))
{
// set error message
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_DOES_NOT_HAVE_A_VALID_FILE_TYPE'), 'warning');
return false;
}
$package['packagename'] = null;
$package['dir'] = $p_dir;
$package['type'] = $type;
return $package;
}
/**
* Import an spreadsheet from a URL
*
* @return Package details or false on failure
*
*/
protected function _getPackageFromUrl()
{
$app = JFactory::getApplication();
$input = $app->input;
// Get the URL of the package to import
$url = $input->getString('import_url');
// Did you give us a URL?
if (!$url)
{
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_ENTER_A_URL'), 'warning');
return false;
}
// Download the package at the URL given
$p_file = JInstallerHelper::downloadPackage($url);
// Was the package downloaded?
if (!$p_file)
{
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_INVALID_URL'), 'warning');
return false;
}
// check that this is a valid spreadsheet
$package = $this->check($p_file);
return $package;
}
/**
* Check a file and verifies it as a spreadsheet file
* Supports .csv .xlsx .xls and .ods
*
* @param string $p_filename The uploaded package filename or import directory
*
* @return array of elements
*
*/
protected function check($archivename)
{
$app = JFactory::getApplication();
// Clean the name
$archivename = JPath::clean($archivename);
// check the extention
if(!$this->checkExtension($archivename))
{
// Cleanup the import files
$this->remove($archivename);
$app->enqueueMessage(JText::_('COM_###COMPONENT###_IMPORT_MSG_DOES_NOT_HAVE_A_VALID_FILE_TYPE'), 'warning');
return false;
}
$config = JFactory::getConfig();
// set Package Name
$check['packagename'] = $archivename;
// set directory
$check['dir'] = $config->get('tmp_path'). '/' .$archivename;
// set type
$check['type'] = $this->getType;
return $check;
}###IMPORT_EXT_METHOD###
/**
* Clean up temporary uploaded spreadsheet
*
* @param string $package Name of the uploaded spreadsheet file
*
* @return boolean True on success
*
*/
protected function remove($package)
{
jimport('joomla.filesystem.file');
$config = JFactory::getConfig();
$package = $config->get('tmp_path'). '/' .$package;
// Is the package file a valid file?
if (is_file($package))
{
File::delete($package);
}
elseif (is_file(JPath::clean($package)))
{
// It might also be just a base filename
File::delete(JPath::clean($package));
}
}###IMPORT_SETDATA_METHOD######IMPORT_SAVE_METHOD###
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 = $db->getTableColumns('#__###component###_'.$table);
if(isset($columns['alias'])){
// Create a new query object.
$query = $db->getQuery(true);
$query->select($db->quoteName(array('alias')));
$query->from($db->quoteName('#__###component###_'.$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;
}
}