<?php
include_once(dirname(__FILE__) . '/pclzip.lib.php');
class ZipFly {

	var $tempDirectory;
	var $themeDirectory;
	var $errorMessage = null;
	var $tempFile;
	var $themeName;
	
	function ZipFly($tempDirectory, $themeDirectory, $themeName) {
		$this->themeName = $themeName;
		if (!$this->setThemeDirectory($themeDirectory)) {
			$this->setErrorMessage('Theme directory does not exists');
		}
		if (!$this->setTempDirectory($tempDirectory)) {
			$this->setErrorMessage('Temp directory is not writable or does not exists');
		}
		if (!$this->createZip()) {
			$this->setErrorMessage('The ZIP file could not be created');
		}
	}
	
	function createZip() {
		$this->tempFile = $this->tempDirectory . '/' . md5($this->themeName) . '.zip';
		if (file_exists($this->tempFile)) {
			$fInfo = stat($this->tempFile);
			if ($fInfo !== false) {
				$timeWritten = $fInfo[9];
				if (time() - $timeWritten < 1440) {
					return true;
				}
			}
		}
		$archive = new PclZip($this->tempFile);
		
		$v_list = $archive->create($this->themeDirectory, PCLZIP_OPT_REMOVE_PATH, $this->themeDirectory, PCLZIP_OPT_ADD_PATH, $this->themeName);
		if ($v_list == 0) {
			return false;
		}
		return true;
	}
	
	function sendZip() {
	
		$contents = file_get_contents($this->tempFile);
		header("Content-type: application/zip");
		header('Content-Disposition: attachment; filename="' . $this->themeName . '.zip"');
		echo $contents;
		die();
	}
	
	function setErrorMessage($message) {
		$this->errorMessage = $message;
	}
	
	function getLastError() {
		return $this->errorMessage;
	}
	
	function setThemeDirectory($directory) {
		if (is_readable($directory)) {
			$this->themeDirectory = $directory;
			return true;
		} else {
			return false;
		}
	}

	function setTempDirectory($directory) {
		if (is_writable($directory)) {
			$this->tempDirectory = $directory;
			return true;
		} else {
			return false;
		}
	}
}

?>