function __construct(ServiceLocatorInterface $sl, $table, $id = null, $id_column = 'id')
{
$dbAdapter = $sl->get('Zend\\Db\\Adapter\\Adapter');
$this->id_column = $id_column;
$this->id_value = $id;
$this->tableGateway = new TableGateway($table, $dbAdapter);
if (!empty($this->id_value)) {
$rs = $this->tableGateway->select(array($id_column => $id));
if ($rs->count() > 0) {
$data = $rs->current();
foreach ($data as $k => $v) {
$this->addColumn($k, $v);
}
}
} else {
$metadata = new \Zend\Db\Metadata\Metadata($this->tableGateway->adapter);
$columns = $metadata->getColumnNames($table);
foreach ($columns as $column_name) {
$this->addColumn($column_name, null);
}
}
}
/**
* Generates PHP files with field names as constants
*/
public function generateDbConstants()
{
$metadata = new \Zend\Db\Metadata\Metadata($this->dbAdapter);
$schema = $this->dbAdapter->getDriver()->getConnection()->getCurrentSchema();
$tables = $metadata->getTableNames($schema, true);
foreach ($tables as $table) {
$words = explode('_', $table);
$class = 'Db';
foreach ($words as $word) {
$word[0] = strtoupper($word[0]);
$class = $class . $word;
}
$filename = __DIR__ . '/../Utils/DbConsts/' . $class . '.php';
if (file_exists($filename)) {
unlink($filename);
}
$writer = new \Zend\Log\Writer\Stream($filename);
$writer->setFormatter(new \Zend\Log\Formatter\Simple('%message%'));
$logger = new \Zend\Log\Logger();
$logger->addWriter($writer);
$logger->info('<?php');
$logger->info('');
$logger->info('namespace Application\\Utils\\DbConsts;');
$logger->info('');
$logger->info("class {$class}");
$logger->info('{');
$logger->info(" const TABLE = '{$table}';");
$columns = $metadata->getColumnNames($table, $schema);
foreach ($columns as $column) {
$logger->info(vsprintf(" const %s = '%s';", array(strtoupper($column), $column)));
}
$logger->info('');
$hasConst = '
static public function hasField($field)
{
if (!is_string($field)) {
return false;
}
$field = strtoupper($field);
$reflect = new \\ReflectionClass(__CLASS__);
foreach ($reflect->getConstants() as $name => $value) {
if (strtoupper($value) === $field) {
return true;
}
};
return false;
}';
$logger->info($hasConst);
$logger->info('}');
$logger = null;
chmod($filename, 0777);
}
}
/**
* Returns columns names
*
* @todo colocar no cache
*
* @return array columns
*/
public function getColumns()
{
if (!isset($this->_columns)) {
$metadata = new \Zend\Db\Metadata\Metadata($this->getTableGateway()->getAdapter());
$this->_columns = $metadata->getColumnNames($this->getTable());
}
return $this->_columns;
}
