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<?php
/**
* The DbConfig Task handles creating and updating the database.php
*
* PHP 5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package cake.console.shells.tasks
* @since CakePHP(tm) v 1.2
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
/**
* Task class for creating and updating the database configuration file.
*
* @package cake.console.shells.tasks
*/
class DbConfigTask extends Shell {
/**
* path to CONFIG directory
*
* @var string
*/
public $path = null;
/**
* Default configuration settings to use
*
* @var array
*/
protected $_defaultConfig = array(
'name' => 'default',
'datasource'=> 'Database/Mysql',
'persistent'=> 'false',
'host'=> 'localhost',
'login'=> 'root',
'password'=> 'password',
'database'=> 'project_name',
'schema'=> null,
'prefix'=> null,
'encoding' => null,
'port' => null
);
/**
* String name of the database config class name.
* Used for testing.
*
* @var string
*/
public $databaseClassName = 'DATABASE_CONFIG';
/**
* initialization callback
*
* @var string
*/
public function initialize() {
$this->path = APP . 'config' . DS;
}
/**
* Execution method always used for tasks
*
*/
public function execute() {
if (empty($this->args)) {
$this->_interactive();
$this->_stop();
}
}
/**
* Interactive interface
*
* @return void
*/
protected function _interactive() {
$this->hr();
$this->out('Database Configuration:');
$this->hr();
$done = false;
$dbConfigs = array();
while ($done == false) {
$name = '';
while ($name == '') {
$name = $this->in(__d('cake_console', "Name:"), null, 'default');
if (preg_match('/[^a-z0-9_]/i', $name)) {
$name = '';
$this->out(__d('cake_console', 'The name may only contain unaccented latin characters, numbers or underscores'));
} else if (preg_match('/^[^a-z_]/i', $name)) {
$name = '';
$this->out(__d('cake_console', 'The name must start with an unaccented latin character or an underscore'));
}
}
$driver = $this->in(__d('cake_console', 'Driver:'), array('Mssql', 'Mysql', 'Oracle', 'Postgres', 'Sqlite'), 'Mysql');
$persistent = $this->in(__d('cake_console', 'Persistent Connection?'), array('y', 'n'), 'n');
if (strtolower($persistent) == 'n') {
$persistent = 'false';
} else {
$persistent = 'true';
}
$host = '';
while ($host == '') {
$host = $this->in(__d('cake_console', 'Database Host:'), null, 'localhost');
}
$port = '';
while ($port == '') {
$port = $this->in(__d('cake_console', 'Port?'), null, 'n');
}
if (strtolower($port) == 'n') {
$port = null;
}
$login = '';
while ($login == '') {
$login = $this->in(__d('cake_console', 'User:'), null, 'root');
}
$password = '';
$blankPassword = false;
while ($password == '' && $blankPassword == false) {
$password = $this->in(__d('cake_console', 'Password:'));
if ($password == '') {
$blank = $this->in(__d('cake_console', 'The password you supplied was empty. Use an empty password?'), array('y', 'n'), 'n');
if ($blank == 'y') {
$blankPassword = true;
}
}
}
$database = '';
while ($database == '') {
$database = $this->in(__d('cake_console', 'Database Name:'), null, 'cake');
}
$prefix = '';
while ($prefix == '') {
$prefix = $this->in(__d('cake_console', 'Table Prefix?'), null, 'n');
}
if (strtolower($prefix) == 'n') {
$prefix = null;
}
$encoding = '';
while ($encoding == '') {
$encoding = $this->in(__d('cake_console', 'Table encoding?'), null, 'n');
}
if (strtolower($encoding) == 'n') {
$encoding = null;
}
$schema = '';
if ($driver == 'postgres') {
while ($schema == '') {
$schema = $this->in(__d('cake_console', 'Table schema?'), null, 'n');
}
}
if (strtolower($schema) == 'n') {
$schema = null;
}
$config = compact('name', 'driver', 'persistent', 'host', 'login', 'password', 'database', 'prefix', 'encoding', 'port', 'schema');
while ($this->_verify($config) == false) {
$this->_interactive();
}
$dbConfigs[] = $config;
$doneYet = $this->in(__d('cake_console', 'Do you wish to add another database configuration?'), null, 'n');
if (strtolower($doneYet == 'n')) {
$done = true;
}
}
$this->bake($dbConfigs);
config('database');
return true;
}
/**
* Output verification message and bake if it looks good
*
* @return boolean True if user says it looks good, false otherwise
*/
protected function _verify($config) {
$config = array_merge($this->_defaultConfig, $config);
extract($config);
$this->out();
$this->hr();
$this->out(__d('cake_console', 'The following database configuration will be created:'));
$this->hr();
$this->out(__d('cake_console', "Name: %s", $name));
$this->out(__d('cake_console', "Driver: %s", $driver));
$this->out(__d('cake_console', "Persistent: %s", $persistent));
$this->out(__d('cake_console', "Host: %s", $host));
if ($port) {
$this->out(__d('cake_console', "Port: %s", $port));
}
$this->out(__d('cake_console', "User: %s", $login));
$this->out(__d('cake_console', "Pass: %s", str_repeat('*', strlen($password))));
$this->out(__d('cake_console', "Database: %s", $database));
if ($prefix) {
$this->out(__d('cake_console', "Table prefix: %s", $prefix));
}
if ($schema) {
$this->out(__d('cake_console', "Schema: %s", $schema));
}
if ($encoding) {
$this->out(__d('cake_console', "Encoding: %s", $encoding));
}
$this->hr();
$looksGood = $this->in(__d('cake_console', 'Look okay?'), array('y', 'n'), 'y');
if (strtolower($looksGood) == 'y') {
return $config;
}
return false;
}
/**
* Assembles and writes database.php
*
* @param array $configs Configuration settings to use
* @return boolean Success
*/
public function bake($configs) {
if (!is_dir($this->path)) {
$this->err(__d('cake_console', '%s not found', $this->path));
return false;
}
$filename = $this->path . 'database.php';
$oldConfigs = array();
if (file_exists($filename)) {
config('database');
$db = new $this->databaseClassName;
$temp = get_class_vars(get_class($db));
foreach ($temp as $configName => $info) {
$info = array_merge($this->_defaultConfig, $info);
if (!isset($info['schema'])) {
$info['schema'] = null;
}
if (!isset($info['encoding'])) {
$info['encoding'] = null;
}
if (!isset($info['port'])) {
$info['port'] = null;
}
if ($info['persistent'] === false) {
$info['persistent'] = 'false';
} else {
$info['persistent'] = ($info['persistent'] == true) ? 'true' : 'false';
}
$oldConfigs[] = array(
'name' => $configName,
'driver' => $info['driver'],
'persistent' => $info['persistent'],
'host' => $info['host'],
'port' => $info['port'],
'login' => $info['login'],
'password' => $info['password'],
'database' => $info['database'],
'prefix' => $info['prefix'],
'schema' => $info['schema'],
'encoding' => $info['encoding']
);
}
}
foreach ($oldConfigs as $key => $oldConfig) {
foreach ($configs as $key1 => $config) {
if ($oldConfig['name'] == $config['name']) {
unset($oldConfigs[$key]);
}
}
}
$configs = array_merge($oldConfigs, $configs);
$out = "<?php\n";
$out .= "class DATABASE_CONFIG {\n\n";
foreach ($configs as $config) {
$config = array_merge($this->_defaultConfig, $config);
extract($config);
$out .= "\tpublic \${$name} = array(\n";
$out .= "\t\t'datasource' => 'Database/{$driver}',\n";
$out .= "\t\t'persistent' => {$persistent},\n";
$out .= "\t\t'host' => '{$host}',\n";
if ($port) {
$out .= "\t\t'port' => {$port},\n";
}
$out .= "\t\t'login' => '{$login}',\n";
$out .= "\t\t'password' => '{$password}',\n";
$out .= "\t\t'database' => '{$database}',\n";
if ($schema) {
$out .= "\t\t'schema' => '{$schema}',\n";
}
if ($prefix) {
$out .= "\t\t'prefix' => '{$prefix}',\n";
}
if ($encoding) {
$out .= "\t\t'encoding' => '{$encoding}'\n";
}
$out .= "\t);\n";
}
$out .= "}\n";
$filename = $this->path . 'database.php';
return $this->createFile($filename, $out);
}
/**
* Get a user specified Connection name
*
* @return void
*/
public function getConfig() {
App::uses('ConnectionManager', 'Model');
$useDbConfig = 'default';
$configs = get_class_vars($this->databaseClassName);
if (!is_array($configs)) {
return $this->execute();
}
$connections = array_keys($configs);
if (count($connections) > 1) {
$useDbConfig = $this->in(__d('cake_console', 'Use Database Config') .':', $connections, 'default');
}
return $useDbConfig;
}
/**
* get the option parser
*
* @return ConsoleOptionParser
*/
public function getOptionParser() {
$parser = parent::getOptionParser();
return $parser->description(
__d('cake_console', 'Bake new database configuration settings.')
);
}
}
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