/**
* Attempts to log a user in to the system.
*
* @param string $username the specified username
* @param string $password the specified password
* @return integer the result of the login process
*/
public static function login($username, $password) {
try {
// Setup
$protocol = new self::$_protocol($username, $password);
$result = $protocol->authenticate();
if($result > 0) {
self::$_id = \Bedrock\Common\String::random(32);
self::$_status = self::STATUS_LOGGED_IN;
}
return $result;
}
catch(\Exception $ex) {
\Bedrock\Common\Logger::exception($ex);
throw new \Bedrock\Common\Auth\Exception('A problem was encountered while attempting to authenticate the specified user.');
}
}
/**
* Imports the table schema using the specified source. The table will not
* be created until the \Bedrock\Model\Table::save() method is called.
*
* @param string $importSource the source file to import from
* @param integer $importType the format of the source file
* @return boolean whether or not the import was successful
*/
public function importSchema($importSource, $importType = \Bedrock\Model::FORMAT_SQL, $sourceIsFile = true) {
try {
// Setup
$result = false;
if($sourceIsFile && !is_file($importSource)) {
throw new \Bedrock\Model\Exception('The import source specified is invalid: "' . $importSource . '"');
}
// Copy/Backup Table
$backupName = '_bed_' . \Bedrock\Common\String::random(4) . '_' . $this->_name;
\Bedrock\Common\Logger::info('Creating backup of table "' . $this->_name . '" to "' . $backupName . '"');
$sql = 'CREATE TABLE ' . self::sanitize($backupName) . ' SELECT * FROM ' . self::sanitize($this->_name);
if(!$this->_connection->query($sql)) throw new \Bedrock\Model\Exception('Table backup failed for table "' . $this->_name . '".');
// Drop Table
if($this->drop()) throw new \Bedrock\Model\Exception('Dropping table "' . $this->_name . '" failed.');
// Parse Data
switch($importType) {
default:
// SQL Query
case \Bedrock\Model::FORMAT_SQL:
if($sourceIsFile) {
$sql = file_get_contents($importSource);
}
else {
$sql = $importSource;
}
break;
// XML Document
case \Bedrock\Model::FORMAT_XML:
if($sourceIsFile) {
$xml = simplexml_load_file($importSource);
}
else {
$xml = simplexml_load_string($importSource);
}
$sql = 'CREATE TABLE `' . self::sanitize($xml['name']) . '` (';
foreach($xml->columns->column as $column) {
$colObj = new \Bedrock\Model\Column(array(
'name' => $column['name'],
'type' => $column->type,
'length' => $column->length,
'size' => $column->size,
'null' => $column->flags->null == 0 ? false : true,
'default' => $column->default,
'primary_key' => $column->flags->primarykey,
'foreign_key' => '',
'foreign_key_type' => ''
));
$sql .= $colObj->definition . ', ';
}
$sql = substr($sql, 0, strlen($sql)-2) . ')';
if(isset($xml->properties->engine)) {
$sql .= ' ENGINE = ' . self::sanitize($xml->properties->engine);
}
if(isset($xml->properties->charset)) {
$sql .= ' DEFAULT CHARACTER SET = ' . self::sanitize($xml->properties->charset);
}
if(isset($xml->properties->collation)) {
$sql .= ' DEFAULT COLLATE = ' . self::sanitize($xml->properties->collation);
}
if(isset($xml->properties->comment)) {
$sql .= ' COMMENT = \'' . self::sanitize($xml->properties->comment) . '\'';
}
break;
// YAML Document
case \Bedrock\Model::FORMAT_YAML:
if($sourceIsFile) {
$importString = file_get_contents($importSource);
}
else {
$importString = $importSource;
}
$yaml = new \Bedrock\Common\Data\YAML($importString, true);
$sql = 'CREATE TABLE `' . self::sanitize($yaml->table->name) . '` (';
foreach($yaml->table->columns as $column) {
$colObj = new \Bedrock\Model\Column(array(
'name' => $column->name,
'type' => $column->type,
'length' => $column->length,
'size' => $column->size,
'null' => $column->flags->null,
'default' => $column->default,
'primary_key' => $column->flags->primarykey,
'foreign_key' => '',
'foreign_key_type' => ''
));
$sql .= $colObj->definition . ', ';
}
$sql = substr($sql, 0, strlen($sql)-2) . ')';
if(isset($yaml->table->properties->engine)) {
$sql .= ' ENGINE = ' . self::sanitize($yaml->table->properties->engine);
}
if(isset($yaml->table->properties->charset)) {
$sql .= ' DEFAULT CHARACTER SET = ' . self::sanitize($yaml->table->properties->charset);
}
if(isset($yaml->table->properties->collation)) {
$sql .= ' DEFAULT COLLATE = ' . self::sanitize($yaml->table->properties->collation);
}
if(isset($yaml->table->properties->comment)) {
$sql .= ' COMMENT = \'' . self::sanitize($yaml->table->properties->comment) . '\'';
}
break;
// CSV Document
case \Bedrock\Model::FORMAT_CSV:
if($sourceIsFile) {
$importString = file_get_contents($importSource);
}
else {
$importString = $importSource;
}
$csv = new \Bedrock\Common\Data\CSV($importString, ', ', true);
$tableRow = null;
$columnRows = array();
foreach($csv as $row) {
if($row['class'] == 'table') {
$tableRow = $row;
}
elseif($row['class'] == 'column') {
$columnRows[] = $row;
}
}
$sql = 'CREATE TABLE `' . self::sanitize($tableRow['name']) . '` (';
foreach($columnRows as $columnRow) {
$colObj = new \Bedrock\Model\Column(array(
'name' => isset($columnRow['name']) ? $columnRow['name'] : '',
'type' => isset($columnRow['type']) ? $columnRow['type'] : '',
'length' => isset($columnRow['length']) ? $columnRow['length'] : '',
'size' => isset($columnRow['size']) ? $columnRow['size'] : '',
'null' => isset($columnRow['null']) ? $columnRow['null'] : '',
'default' => isset($columnRow['default']) ? $columnRow['default'] : '',
'primary_key' => isset($columnRow['primarykey']) ? $columnRow['primaryKey'] : '',
'foreign_key' => '',
'foreign_key_type' => ''
));
$sql .= $colObj->definition . ', ';
}
$sql = substr($sql, 0, strlen($sql)-2) . ')';
if(isset($tableRow['engine']) && $tableRow['engine'] != '') {
$sql .= ' ENGINE = ' . self::sanitize($tableRow['engine']);
}
if(isset($tableRow['charset']) && $tableRow['charset'] != '') {
$sql .= ' DEFAULT CHARACTER SET = ' . self::sanitize($tableRow['charset']);
}
if(isset($tableRow['collation']) && $tableRow['collation'] != '') {
$sql .= ' DEFAULT COLLATE = ' . self::sanitize($tableRow['collation']);
}
if(isset($tableRow['comment']) && $tableRow['comment'] != '') {
$sql .= ' COMMENT = \'' . self::sanitize($tableRow['comment']) . '\'';
}
break;
}
// Execute Queries
\Bedrock\Common\Logger::info('Importing schema with query: ' . $sql);
$res = $this->_connection->query($sql);
if(!$res) {
$this->revert($backupName);
$result = false;
}
else {
\Bedrock\Common\Logger::info('Removing backup table "' . $backupName .'"...');
$this->_connection->query('DROP TABLE IF EXISTS ' . self::sanitize($backupName));
$result = true;
}
return $result;
}
catch(\Bedrock\Model\Exception $ex) {
\Bedrock\Common\Logger::exception($ex);
if(isset($backupName)) {
$this->revert($backupName);
}
throw new \Bedrock\Model\Exception('Schema import failed.');
}
catch(\Exception $ex) {
\Bedrock\Common\Logger::exception($ex);
if(isset($backupName)) {
$this->revert($backupName);
}
throw new \Bedrock\Model\Exception('Schema import failed.');
}
}
