<?php

/**
 * Updates Woo Framework in all WooThemes on a WP installation
 *
 * To use:
 *
 * - Get the latest copy of the framework
 * - Unzip to /wp-content/framework/
 * - Visit wp-admin?cac_update_woo=1 as super admin
 *
 * No guarantees. Test properly and read before using! There is no undo!!
 *
 * @author Boone B Gorges
 * @license GPLv2
 */
function cac_update_woo_framework() {
	if ( empty( $_GET['cac_update_woo'] ) ) {
		return;
	}

	if ( !is_super_admin() ) {
		return;
	}

	// Get a list of files to be copied
	$tdir = opendir( WP_CONTENT_DIR . '/framework/' );
	if ( !$tdir ) {
		return;
	}

	$ffiles = array();
	while ( ( $file = readdir( $tdir ) ) !== false ) {
		if ( 0 === strpos( $file, '.' ) ) {
			continue;
		}

		$ffiles[] = WP_CONTENT_DIR . '/framework/' . $file;
	}

	$themes = get_themes();

	foreach( $themes as $theme_name => $theme ) {

		if ( false === strpos( $theme['Author'], 'WooThemes' ) ) {
			continue;
		}

		foreach( $ffiles as $ff ) {
			// can't use basename for dirs?
			$ffbase = array_pop( explode( WP_CONTENT_DIR . '/framework/', $ff ) );

			rcopy( $ff, $theme['Stylesheet Dir'] . '/functions/' . $ffbase );
		}
	}

        rrmdir( WP_CONTENT_DIR . '/framework/' );
}
add_action( 'admin_init', 'cac_update_woo_framework' );


/**
 * http://www.php.net/manual/en/function.copy.php#104020
 */
// copies files and non-empty directories
function rcopy($src, $dst) {
  if (file_exists($dst)) rrmdir($dst);
  if (is_dir($src)) {
    mkdir($dst);
    $files = scandir($src);
    foreach ($files as $file)
    if ($file != "." && $file != "..") rcopy("$src/$file", "$dst/$file");
  }
  else if (file_exists($src)) copy($src, $dst);
}

function rrmdir($dir) {
  if (is_dir($dir)) {
    $files = scandir($dir);
    foreach ($files as $file)
    if ($file != "." && $file != "..") rrmdir("$dir/$file");
    rmdir($dir);
  }
  else if (file_exists($dir)) unlink($dir);
}

?>