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<?php |
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namespace Tivnet\WPDB; |
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use Symfony\Component\Console\Helper\FormatterHelper; |
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use Symfony\Component\Console\Output\ConsoleOutput; |
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/** |
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* Configuration loader and storage. |
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* |
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* @package Tivnet\WPDB |
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*/ |
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class Config { |
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/** |
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* The Application title. |
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* |
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* @var string |
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*/ |
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const APPLICATION_TITLE = 'WPDB: WordPress DataBase Manager'; |
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/** |
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* WPDB configuration filename. |
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* |
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* @var string |
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*/ |
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const CONFIG_FILE_NAME = '.wpdb.json'; |
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/** |
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* WordPress configuration filename. |
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* |
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* @var string |
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*/ |
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const WP_CONFIG_FILE_NAME = 'wp-config.php'; |
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/** |
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* The full path to the project root. |
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* |
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* @var string |
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*/ |
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protected $path_project_root = '.'; |
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/** |
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* Array of configuration variables. |
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* |
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* @var string[] |
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*/ |
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protected $config = array(); |
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/** |
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* Configuration defaults. |
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* |
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* @var string[] |
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*/ |
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protected static $config_defaults = array( |
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'env' => 'tmp', |
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'dir_dump' => '.wpdb', |
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'dir_web_root' => 'public', |
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'dump_ext' => 'sql', |
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'dump_prefix' => 'wpdb', |
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'cmd_tail' => 'tail -1', |
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'cmd_xz' => 'xz -v', |
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'ext_xz' => 'xz', |
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'dump_ignore' => '', |
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); |
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/** |
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* This will be set to true if any error occurred. |
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* |
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* @var bool |
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*/ |
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public $is_error = false; |
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/** |
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* Get a configuration variable value. |
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* |
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* @param string $key The variable name. |
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* |
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* @return string The value. Empty string if not found. |
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*/ |
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public function get( $key ) { |
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return isset( $this->config[ $key ] ) ? $this->config[ $key ] : ''; |
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} |
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/** |
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* Set a configuration variable value. |
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* |
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* @param string $key The variable name. |
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* @param string $value The value. Default is empty string. |
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*/ |
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public function set( $key, $value = '' ) { |
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$this->config[ $key ] = $value; |
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} |
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/** |
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* Config constructor. |
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*/ |
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public function __construct() { |
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$this->path_project_root = getcwd(); |
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$this->config = self::$config_defaults; |
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$this->loadConfig(); |
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$this->loadWPConfig(); |
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$this->set( 'mysql_authorization', '--login-path=' . $this->get( 'DB_NAME' ) ); |
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} |
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/** |
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* Load configuration parameters from JSON file, if exists. |
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*/ |
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protected function loadConfig() { |
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$file_config = implode( '/', array( |
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$this->path_project_root, |
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self::CONFIG_FILE_NAME, |
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) ); |
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if ( is_file( $file_config ) && is_readable( $file_config ) ) { |
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/** @var string[] $config_overwrite */ |
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$config_overwrite = json_decode( file_get_contents( $file_config ), JSON_OBJECT_AS_ARRAY ); |
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if ( is_array( $config_overwrite ) ) { |
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$this->config = array_merge( $this->config, $config_overwrite ); |
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} |
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} |
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} |
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/** |
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* Read defines from the WordPress configuration file. |
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*/ |
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protected function loadWPConfig() { |
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$file_wp_config = implode( '/', array( |
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$this->path_project_root, |
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$this->get( 'dir_web_root' ), |
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self::WP_CONFIG_FILE_NAME, |
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) ); |
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if ( is_file( $file_wp_config ) && is_readable( $file_wp_config ) ) { |
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$lines = file( $file_wp_config ); |
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$regex_template = '/define\s*\(\s*["\'](DB_NAME|DB_USER|DB_HOST)["\']\s*,\s*["\'](.+)["\']\s*\)\s*;/'; |
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foreach ( $lines as $line ) { |
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if ( preg_match( $regex_template, $line, $matches ) ) { |
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$this->set( $matches[1], $matches[2] ); |
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} |
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} |
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} else { |
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$this->is_error = true; |
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$msg = '[ERROR] WordPress config file not found: ' . $file_wp_config; |
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$output = new ConsoleOutput(); |
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$f = new FormatterHelper(); |
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$output->writeln( array( |
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$f->formatBlock( self::APPLICATION_TITLE, 'info' ), |
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$f->formatBlock( str_repeat( '=', strlen( self::APPLICATION_TITLE ) ), 'info' ), |
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$f->formatBlock( $msg, 'error', true ), |
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) ); |
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} |
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} |
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} |
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tivnet /
wpdb
