/**
* Verifies that all required constants are defined.
* Constants must be of the form: "%ENV%_%NAME%"
*/
private static function validate_config($command, $what, $env)
{
/** Get the required contstants from the dependency array. */
$deps = self::$config_dependencies;
$required = $deps[$command];
if (!empty($what)) {
$required = array_unique(array_merge($deps[$command][$what], $deps[$command]['global']));
}
/** Get all definable constants. */
$all_const = array();
foreach ($deps as $comm_deps) {
foreach ($comm_deps as $item) {
$const = is_array($item) ? $item : array($item);
$all_const = array_merge($all_const, $const);
}
}
$all_const = array_unique($all_const);
$get_const = function ($const) use($env) {
return strtoupper($env . '_' . $const);
};
$errors = array();
$constants = array();
foreach ($all_const as $short_name) {
/** The constants template */
$constant = $get_const($short_name);
if (in_array($short_name, $required) && !defined($constant)) {
$errors[] = "Required constant {$constant} is not defined.";
} elseif (defined($constant)) {
$constants[$short_name] = constant($constant);
}
}
if (count($errors)) {
foreach ($errors as $error) {
WP_Cli::line("{$error}");
}
WP_Cli::error("The missing constants are required in order to run this subcommand.\nType `wp help deploy` for more information.");
}
/** Add the optional constants. */
foreach ($deps['optional'] as $optional) {
$const = $get_const($optional);
if (defined($const)) {
$constants[$optional] = constant($const);
}
}
return $constants;
}
protected static function _prepare_and_extract($args)
{
$out = array();
self::$_env = $args[0];
$errors = self::_validate_config();
if ($errors !== true) {
foreach ($errors as $error) {
WP_Cli::error($error);
}
return false;
}
$out = self::config_constants_to_array();
$out['env'] = self::$_env;
$out['db_user'] = escapeshellarg($out['db_user']);
$out['db_host'] = escapeshellarg($out['db_host']);
$out['db_password'] = escapeshellarg($out['db_password']);
$out['ssh_port'] = isset($out['ssh_port']) ? intval($out['ssh_port']) : 22;
$out['excludes'] = explode(':', $out['excludes']);
return $out;
}