<?php
define('DRAFT_DIR', CONTENT_DIR . 'drafts/');

class draft_indexer extends fs_filelister {

	var $_varname = 'cache';

	var $_cachefile = null;

	var $_directory = DRAFT_DIR;

	function __construct() {
		$this->_cachefile = CACHE_DIR . 'draft_index.php';
		return parent::__construct();
	}

	function _checkFile($directory, $file) {
		$f = "$directory/$file";
		if (is_dir($f) && ctype_digit($file)) {
			return 1;
		}
		
		if (fnmatch('entry*' . EXT, $file)) {
			$id = basename($file, EXT);
			$arr = draft_parse($id);
			
			// $this->add($id, $arr['subject']);
			$this->_list [$id] = $arr ['subject'];
			
			return 0;
		}
	}
	
}

function &draft_init() {
	global $draftdb;
	if (!isset($draftdb))
		$draftdb = new draft_indexer();
	return $draftdb;
}

function draft_getlist() {
	static $list = array();
	
	if (!$list) {
		$obj = & draft_init();
		$list = $obj->getList();
		krsort($list);
	}
	
	return $list;
}

function draft_parse($id) {
	if ($fname = draft_exists($id)) {
		
		$entry = io_load_file($fname);
		
		$entry = utils_kexplode($entry);
		if (!isset($entry ['categories']))
			$entry ['categories'] = array();
		else
			$entry ['categories'] = explode(',', $entry ['categories']);
		
		return $entry;
	}
	return array();
}

function draft_save(&$entry, $id = null, $update_index = false, $update_date = false) {
	if (!$id) {
		$id = bdb_idfromtime('entry', $entry ['date']);
	}
	
	$ed = entry_dir($id);
	$dd = draft_dir($id);
	
	if (file_exists($ed . EXT)) {
		
		// move collateral files
		@rename($ed, $dd);
		
		if ($update_index) {
			// delete normal entry
			fs_delete($ed . EXT);
			
			// remove from normal flow
			$o = & entry_init();
			$o->delete($id, null);
		}
	}
	
	$new_entry = entry_prepare($entry);
	if ($new_entry ['categories'])
		$new_entry ['categories'] = implode(',', $entry ['categories']);
	else
		unset($new_entry ['categories']);
	
	$string = utils_kimplode($new_entry);
	
	if (!io_write_file($dd . EXT, $string)) {
		return false;
	} else
		return $id;
	
	return false;
}

function draft_dir($id) {
	if (!preg_match('|^entry[0-9]{6}-[0-9]{6}$|', $id))
		return false;
	// $date = date_from_id($id);
	// $f = CONTENT_DIR . "{$date['y']}/{$date['m']}/$id";
	return DRAFT_DIR . $id;
	// return $f;
}

function draft_exists($id) {
	$dir = draft_dir($id);
	if (!$dir)
		return false;
	
	$f = $dir . EXT;
	if (file_exists($f))
		return $f;
	
	return false;
}

function draft_delete($id) {
	$dir = draft_dir($id);
	
	$f = $dir . EXT;
	if (!file_exists($f))
		return false;
	
	// $draftdb =& draft_init();
	// $draftdb->delete($id);
	fs_delete_recursive($dir);
	
	return fs_delete($f);
}

/*
 * function draft_from_entry($entryid) {
 * $dir = entry_dir($entryid);
 * //$dir2 = str_replace('entry', 'draft', $dir);
 * $dir2 = draft_dir($entryid);
 * @rename($dir, $dir2);
 * @rename($dir.EXT, $dir2.EXT);
 * }
 */
function draft_to_entry($draftid) {
	$dir = draft_dir($draftid);
	$dir2 = entry_dir($draftid);
	
	@rename($dir, $dir2);
	draft_delete($draftid);
}

function smarty_block_draftlist($params, $content, &$smarty, &$repeat) {
	global $fpdb;
	
	if ($list = draft_getlist()) {
		$smarty->assign('draft_list', $list);
		return $content;
	}
}

function smarty_block_draft($params, $content, &$smarty, &$repeat) {
	static $list = array();
	
	$smarty->assign(array(
		'subject' => '',
		'content' => '',
		'date' => '',
		'author' => '',
		'version' => '',
		'id' => ''
	));
	$arr = & $smarty->get_template_vars('draft_list');
	
	$id = $subject = null;
	if ($arr) {
		$firstElement = utils_array_kshift($arr);
		$id = array_keys($firstElement) [0];
		$subject = $firstElement [$id];
	}
	
	if ($id) {
		$smarty->assign('subject', $subject);
		$smarty->assign('id', $id);
	}
	
	$repeat = (bool) $id;
	
	return $content;
}

$smarty->register_block('draft_block', 'smarty_block_draftlist');
$smarty->register_block('draft', 'smarty_block_draft');

?>