/**
* Constructor
*
* @throws Exception if `default` group connection fails
* @return void
*/
public function __construct()
{
if (static::$init == FALSE) {
// Register exception and error handler
set_exception_handler(function ($e) {
Gas::exception($e);
});
// Access current instance singleton
$CI =& get_instance();
// Load necessary configuration(s)
$CI->config->load('gas', TRUE, TRUE);
$CI->config->load('migration', TRUE, TRUE);
// Set temporary config handler
$config = array_merge($CI->config->item('gas'), array('migration' => $CI->config->item('migration')));
// Validate DB instance
if (!class_exists('CI_DB')) {
$DB = $CI->load->database('default', TRUE);
// Register into CI super object, so we could monitore it
$CI->db = $DB;
} else {
$DB = $CI->db;
}
if ($config['auto_create_models'] == TRUE or $config['auto_create_tables'] == TRUE) {
// Load necessary helper and library
$CI->load->helper('file');
$CI->load->library('migration');
}
// Include the bootstrap
include_once APPPATH . 'third_party' . DIRECTORY_SEPARATOR . 'gas' . DIRECTORY_SEPARATOR . 'bootstrap.php';
if (array_key_exists('auto', Gas\Core::$migration)) {
// Execute migration if necessary
if (!$CI->migration->latest()) {
show_error($CI->migration->error_string());
}
}
// Set initialization flag
static::$init = TRUE;
}
}
