datasets.php
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<?php
// namespace administrator\components\com_jmap\tables;
/**
*
* @package JMAP::DATASETS::administrator::components::com_jmap
* @subpackage tables
* @author Joomla! Extensions Store
* @copyright (C) 2015 - Joomla! Extensions Store
* @license GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html
*/
// no direct access
defined ( '_JEXEC' ) or die ( 'Restricted access' );
/**
* ORM Table for Datasets
*
* @package JMAP::DATASETS::administrator::components::com_jmap
* @subpackage tables
* @since 2.0
*/
class TableDatasets extends JTable {
/**
*
* @var int
*/
public $id;
/**
*
* @var string
*/
public $name;
/**
*
* @var string
*/
public $description;
/**
*
* @var int
*/
public $checked_out = 0;
/**
*
* @var datetime
*/
public $checked_out_time = 0;
/**
*
* @var string
*/
public $sources = '[]';
/**
* Check Table override
* @override
*
* @see JTable::check()
*/
public function check() {
// Title required
if (! $this->name) {
$this->setError ( JText::_ ( 'COM_JMAP_VALIDATION_ERROR' ) );
return false;
}
return true;
}
/**
* Store Table override
* @override
*
* @see JTable::store()
*/
public function store($updateNulls = false) {
$result = parent::store($updateNulls);
// If store sucessful go on to popuplate relations table for sources/datasets
if($result) {
// Clear table from previous records
$queryDelete = "DELETE" .
"\n FROM " . $this->_db->quoteName('#__jmap_dss_relations') .
"\n WHERE" .
"\n " . $this->_db->quoteName('datasetid') . " = " .
"\n " . (int)$this->id;
if(!$this->_db->setQuery($queryDelete)->execute()) {
$this->setError($this->_db->getErrorMsg());
return false;
}
// Manage multiple tuples to be inserted using single query
$selectedSources = json_decode($this->sources);
if(count($selectedSources)) {
$insertTuples = array();
foreach ($selectedSources as $source) {
$insertTuples[] = '(' . (int)$this->id . ',' . $source . ')';
}
$insertTuples = implode(',', $insertTuples);
$queryMultipleInsert = "INSERT" .
"\n INTO " . $this->_db->quoteName('#__jmap_dss_relations') .
"\n (" .
$this->_db->quoteName('datasetid') . "," .
$this->_db->quoteName('datasourceid') . ")" .
"\n VALUES " . $insertTuples;
if(!$this->_db->setQuery($queryMultipleInsert)->execute()) {
$this->setError($this->_db->getErrorMsg());
return false;
}
}
}
return $result;
}
/**
* Delete Table override
* @override
*
* @see JTable::delete()
*/
public function delete($pk = null) {
$result = parent::delete($pk);
// If store sucessful go on to popuplate relations table for sources/datasets
if($result) {
// Clear table from previous records
$queryDelete = "DELETE" .
"\n FROM " . $this->_db->quoteName('#__jmap_dss_relations') .
"\n WHERE" .
"\n " . $this->_db->quoteName('datasetid') . " = " .
"\n " . (int)$this->id;
if(!$this->_db->setQuery($queryDelete)->execute()) {
$this->setError($this->_db->getErrorMsg());
return false;
}
}
return $result;
}
/**
* Class constructor
*
* @param Object& $_db
* return Object&
*/
public function __construct(&$_db) {
parent::__construct ( '#__jmap_datasets', 'id', $_db );
}
}