Source for file api.articles.php

<?php
////////////////////////////////////////////////////////////////////////////////
//   Copyright (C) ReloadCMS Development Team                                 //
//   http://reloadcms.sf.net                                                  //
//                                                                            //
//   This program is distributed in the hope that it will be useful,          //
//   but WITHOUT ANY WARRANTY, without even the implied warranty of           //
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     //
//                                                                            //
//   This product released under GNU General Public License v2                //
////////////////////////////////////////////////////////////////////////////////
 
define('ARTICLES_PATH', DATA_PATH . 'a/');
 
class articles{
    var $containers = array();
    var $categories = array();
    var $articles = array();
    var $container = '';
    var $index = array();
 
    var $last_error = '';
 
    //---------------------------------------------------------------------------------//
    // Containers
 
    
 
    function getContainers($all = 1){
        $res = rcms_scandir(ARTICLES_PATH, '', 'dir');
        foreach ($res as $dir){
            if($all == 2 || ($all == 1 && $dir != '#hidden') || ($all == 0 && $dir != '#hidden' && $dir != '#root')){
                $this->containers[$dir] = __(file_get_contents(ARTICLES_PATH . $dir . '/title'));
            }
        }
        return $this->containers;
    }
 
    function setWorkContainer($id){
        if(empty($id) || preg_replace("/#{0,1}[\d\w]+/i", '', $id) != '') {
            $this->last_error = __('Invalid ID');
            return false;
        }
        if(!is_dir(ARTICLES_PATH . $id)) {
            $this->last_error = __('Section with this ID doesn\'t exists');
            return false;
        }
        $this->container = $id;
        return $this->getIndex();
    }
 
    function createContainer($id, $title){
        if(empty($id) || preg_replace("/[\d\w]+/i", '', $id) != '') {
            $this->last_error = __('Invalid ID');
            return false;
        }
        if(is_dir(ARTICLES_PATH . $id) || is_file(ARTICLES_PATH . $id)) {
            $this->last_error = __('Section with this ID already exists');
            return false;
        }
        if(!rcms_mkdir(ARTICLES_PATH . $id)){
            $this->last_error = __('Cannot create directory');
            return false;
        }
        if(!file_write_contents(ARTICLES_PATH . $id . '/title', $title) || !file_write_contents(ARTICLES_PATH . $id . '/lst', 0)){
            $this->last_error = __('Cannot write to file');
            return false;
        }
        $this->containers[$id] = $title;
        return true;
    }
 
    function editContainer($id, $newid, $newtitle){
        if($id == '#root' || $id == '#hidden') {
            $this->last_error = __('Cannot rename system section');
            return false;
        }
        if(empty($id) || preg_replace("/[\d\w]+/i", '', $id) != '') {
            $this->last_error = __('Invalid ID');
            return false;
        }
        if(empty($newid) || preg_replace("/[\d\w]+/i", '', $newid) != '') {
            $this->last_error = __('Invalid ID');
            return false;
        }
        if(!is_dir(ARTICLES_PATH . $id)) {
            $this->last_error = __('Section with this ID doesn\'t exists');
            return false;
        }
        if($id != $newid && is_dir(ARTICLES_PATH . $newid)) {
            $this->last_error = __('Section with this ID already exists');
            return false;
        }
        if($id !== $newid && !rcms_rename_file(ARTICLES_PATH . $id, ARTICLES_PATH . $newid)){
            $this->last_error = __('Cannot change id');
            return false;
        }
        if(!file_write_contents(ARTICLES_PATH . $newid . '/title', $newtitle)){
            $this->last_error = __('Cannot write to file');
            return false;
        }
        unset($this->containers[$id]);
        $this->containers[$newid] = $newtitle;
        return true;
    }
 
    function removeContainer($id){
        if(empty($id) || preg_replace("/[\d\w]+/i", '', $id) != '') {
            $this->last_error = __('Invalid ID');
            return false;
        }
        if($id == '#root' || $id == '#hidden') {
            $this->last_error = __('Cannot remove system section');
            return false;
        }
        if(!is_dir(ARTICLES_PATH . $id)) {
            $this->last_error = __('Section with this ID doesn\'t exists');
            return false;
        }
        if(!rcms_delete_files(ARTICLES_PATH . $id, true)){
            $this->last_error = __('Cannot remove section');
            return false;
        }
        unset($this->containers[$id]);
        return true;
    }
 
    //---------------------------------------------------------------------------------//
    // Categories
 
    
 
    function getCategories($short = false, $parse = true, $ret_last_article = false){
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container == '#root' || $this->container == '#hidden'){
            $this->last_error = __('This system section doesn\'t have categories');
            return false;
        }
        $return = array();
        $path = ARTICLES_PATH . $this->container . '/';
        if($categories = rcms_scandir($path, '', 'dir')) {
            foreach ($categories as $id => $category){
                if($data = $this->getCategory($category, $parse, $ret_last_article)){
                    if(!$short) {
                        $return[] = $data;
                    } else {
                        $return[$data['id']] = $data['title'];
                    }
                }
            }
        }
        return $return;
    }
 
    function getCategory($cat_id = 0, $parse = true, $ret_last_article = false){
        $cat_id = (int) $cat_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container == '#root' || $this->container == '#hidden'){
            $this->last_error = __('This system section doesn\'t have categories');
            return false;
        }
        global $system;
        $cat_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/';
        if(empty($cat_id)){
            $this->last_error = __('Invalid category ID');
            return false;
        }
        $cat_data = &$this->categories[$this->container][$cat_id];
 
        // Checking access level
        $cat_data['accesslevel'] = (!is_file($cat_prefix . 'access')) ? 0 : (int) file_get_contents($cat_prefix . 'access');
        if($cat_data['accesslevel'] > @$system->user['accesslevel'] && !$system->checkForRight('-any-')) {
            $this->last_error = __('Access denied');
            return false;
        }
        // If category exists
        if(is_dir($cat_prefix)){
            $cat_data['id'] = $cat_id;
            $cat_data['title'] = file_get_contents($cat_prefix . 'title');
            $cat_data['description'] = @file_get_contents($cat_prefix . 'description');
            if($parse) $cat_data['description'] = rcms_parse_text($cat_data['description'], true, false, true, false, true);
            $cat_data['articles_clv'] = sizeof(rcms_scandir($cat_prefix, '', 'dir'));
            if($ret_last_article && $cat_data['articles_clv'] > 0){
                $stat = $this->getStat('time', $cat_id, true);
                if(!empty($stat)) {
                    $id = explode('.', $stat['key']);
                    $cat_data['last_article'] = $this->getArticle($cat_id, $id[1], $parse, false, false, false);
                }
            }
            // Search for icon
            if(is_file($cat_prefix . 'icon.gif')) {
                $cat_data['icon'] = 'icon.gif';
                $cat_data['iconfull'] = $cat_prefix . 'icon.gif';
            } elseif(is_file($cat_prefix . 'icon.png')) {
                $cat_data['icon'] = 'icon.png';
                $cat_data['iconfull'] = $cat_prefix . 'icon.png';
            } elseif(is_file($cat_prefix . 'icon.jpg')) {
                $cat_data['icon'] = 'icon.jpg';
                $cat_data['iconfull'] = $cat_prefix . 'icon.jpg';
            }elseif(is_file($cat_prefix . 'icon.jpeg'))  {
                $cat_data['icon'] = 'icon.jpeg';
                $cat_data['iconfull'] = $cat_prefix . 'icon.jpeg';
            } else $cat_data['icon'] = false;
            // Finish!
            return $cat_data;
        } else {
            $this->last_error = __('There are no category with this ID');
            return false;
        }
    }
 
    function createCategory($title, $desc = '', $icon = array(), $access = 0) {
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container == '#root' || $this->container == '#hidden'){
            $this->last_error = __('This system section doesn\'t have categories');
            return false;
        }
        // If title is empty we cannot create category
        if(empty($title)) {
            $this->last_error = __('Title is empty');
            return false;
        }
        if(is_readable(ARTICLES_PATH . $this->container . '/lst')) {
            $cat_id = (int) @file_get_contents(ARTICLES_PATH . $this->container . '/lst') + 1;
        } else {
            $cat_id = 1;
        }
        $cat_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/';
        $cat_data = &$this->categories[$this->container][$cat_id];
        rcms_mkdir($cat_prefix);
        // Now we can safely create category files
        file_write_contents($cat_prefix . 'title', $title);
        file_write_contents($cat_prefix . 'description', $desc);
        file_write_contents($cat_prefix . 'access', $access);
        file_write_contents($cat_prefix . 'lst', '0');
        // If there is an icon uploaded let's parse it
        if(!empty($icon) && empty($icon['error'])){
            $icon['name'] = basename($icon['name']);
            $icon['tmp']  = explode('.', $icon['name']);
            if($icon['type'] == 'image/gif' || $icon['type'] == 'image/jpeg' || $icon['type'] == 'image/png'){
                move_uploaded_file($icon['tmp_name'], $cat_prefix . 'icon.' . $icon['tmp'][sizeof($icon['tmp'])-1]);
            } else {
                $this->last_error = __('Category created without icon');
                return false;
            }
        }
        file_write_contents(ARTICLES_PATH . $this->container . '/lst', $cat_id);
        return true;
    }
 
    function editCategory($cat_id, $title, $desc, $icon = array(), $access = 0, $killicon = false) {
        $cat_id = (int) $cat_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container == '#root' || $this->container == '#hidden'){
            $this->last_error = __('This system section doesn\'t have categories');
            return false;
        }
        // If title is empty we cannot create category
        if(empty($title)) {
            $this->last_error = __('Title is empty');
            return false;
        }
        $cat_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/';
        $cat_data = &$this->categories[$this->container][$cat_id];
        if(!$cat_data = $this->getCategory($cat_id, false)) {
            $this->last_error = __('There are no category with this ID');
            return false;
        }
        file_write_contents($cat_prefix . 'title', $title);
        file_write_contents($cat_prefix . 'description', $desc);
        file_write_contents($cat_prefix . 'access', $access);
        if(!empty($killicon)) rcms_delete_files($cat_data['iconfull']);
        if(!empty($icon) && empty($icon['error'])){
            $icon['name'] = basename($icon['name']);
            $icon['tmp']  = explode('.', $icon['name']);
            if($icon['type'] == 'image/gif' || $icon['type'] == 'image/jpeg' || $icon['type'] == 'image/png'){
                move_uploaded_file($icon['tmp_name'], $cat_prefix . 'icon.' . $icon['tmp'][sizeof($icon['tmp'])-1]);
            } else {
                $this->last_error = __('Category saved without icon');
                return false;
            }
        }
        return true;
    }
 
    function deleteCategory($cat_id) {
        $cat_id = (int) $cat_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container == '#root' || $this->container == '#hidden'){
            $this->last_error = __('This system section doesn\'t have categories');
            return false;
        }
        if(!$cat_data = $this->getCategory($cat_id, false)) {
            $this->last_error = __('There are no category with this ID');
            return false;
        }
 
        $cat_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/';
        rcms_remove_index($cat_id, $this->index, true);
        $this->saveIndex();
        rcms_delete_files($cat_prefix, true);
        return true;
    }
 
    //---------------------------------------------------------------------------------//
    // Articles
 
    
 
    function getArticles($cat_id, $parse = true, $desc = false, $text = false) {
        $cat_id = (int) $cat_id;
        global $system;
        if($this->container !== '#root' && $this->container !== '#hidden'){
            if(!($category = $this->getCategory($cat_id))){
                return false;
            }
            if(!$system->checkForRight('-any-') && $category['accesslevel'] > (int)@$system->user['accesslevel']) {
                $this->last_error = __('Access denied');
                return false;
            }
            $dir = ARTICLES_PATH . $this->container . '/' . $cat_id;
        } else {
            $dir = ARTICLES_PATH . $this->container;
        }
        $return = array();
 
        if($articles = rcms_scandir($dir, '', 'dir')) {
            foreach ($articles as $art_id) {
                $return[] = $this->getArticle($cat_id, $art_id, $parse, $desc, $text);
            }
        }
        return $return;
    }
 
    function getArticle($cat_id, $art_id, $parse = true, $desc = false, $text = false, $cnt = false) {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        global $system;
        if($this->container !== '#root' && $this->container !== '#hidden'){
            if(!($category = $this->getCategory($cat_id))){
                $this->last_error = __('There are no category with this ID');
                return false;
            }
            if($category['accesslevel'] > (int)@$system->user['accesslevel'] && !$system->checkForRight('-any-')) {
                $this->last_error = __('Access denied');
                return false;
            }
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/' . $art_id . '/';
            $art_data = &$this->articles[$this->container][$cat_id][$art_id];
        } else {
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $art_id . '/';
            $art_data = &$this->articles[$this->container][$art_id];
        }
        if(is_file($art_prefix . 'define')){
            $art_data = rcms_parse_ini_file($art_prefix . 'define');
            if($cnt){
                $art_data['views']++;
                if(!write_ini_file($art_data, $art_prefix . 'define')){
                    $this->last_error = __('Cannot write to file');
                } else {
                    $this->index[$cat_id][$art_id]['view'] = $art_data['views'];
                    $this->saveIndex();
                }
            }
            $art_data['text_nonempty'] = (filesize($art_prefix . 'full') < 1) ? false : true;
            if($desc) {
                $art_data['desc'] = file_get_contents($art_prefix . 'short');
                if ($parse) $art_data['desc'] = rcms_parse_text_by_mode($art_data['desc'], $art_data['mode']);
            }
            if($text) {
                $art_data['text'] = file_get_contents($art_prefix . 'full');
                if ($parse) $art_data['text'] = rcms_parse_text_by_mode($art_data['text'], $art_data['mode']);
            }
            $art_data['id'] = $art_id;
            $art_data['catid'] = $cat_id;
            $art_data['comcnt'] = $art_data['comcount'];
            $art_data['title'] = str_replace('&quot;', '"', $art_data['title']);
            return $art_data;
        } else {
            $this->last_error = __('There are no article with this ID');
            return false;
        }
    }
 
    function saveArticle($cat_id, $art_id, $title, $src, $keywords, $sef_desc, $desc, $text, $mode = 'text', $comments = 'yes') {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        global $system;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        $new_flag = ($art_id == 0);
        if($this->container !== '#root' && $this->container !== '#hidden'){
            if(!($category = $this->getCategory($cat_id))){
                return false;
            }
            if($category['accesslevel'] > (int)@$system->user['accesslevel'] && !$system->checkForRight('-any-')) {
                $this->last_error = __('Access denied');
                return false;
            }
            $cat_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/';
            if($new_flag) $art_id = @file_get_contents($cat_prefix . 'lst') + 1;
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/' . $art_id . '/';
            $art_data = &$this->articles[$this->container][$cat_id][$art_id];
        } else {
            $cat_prefix = ARTICLES_PATH . $this->container . '/';
            if($new_flag) $art_id = @file_get_contents($cat_prefix . 'lst') + 1;
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $art_id . '/';
            $art_data = &$this->articles[$this->container][$art_id];
        }
        // For security reasons all html will be striped off
        $title = str_replace('"', '&quot;', trim(strip_tags($title)));
        $src   = trim(strip_tags($src));
        $text  = trim($text);
        $desc  = trim($desc);
        // Now check for empty fields
        if(empty($title)) {
            $this->last_error = __('Title is empty');
            return false;
        }
        if(empty($src)) $src = "-";
        if(empty($text) && empty($desc)) {
            $this->last_error = __('Text is empty');
            return false;
        }
        if(empty($desc)) {
            $desc = substr($text, 0, 250) . ((strlen($text) > 250) ? ' ...' : '');
        }
        if(!$new_flag && ($old = $this->getArticle($cat_id, $art_id, false, false, false, false)) === false){
            $this->last_error = __('There are no article with this ID');
            return false;
        }
        if(!is_dir($art_prefix)) rcms_mkdir($art_prefix);
        // Writing files
        if($new_flag){
            $add_data = array(
            'author_nick' => $system->user['nickname'],
            'author_name' => $system->user['username'],
            'time' => rcms_get_time(),
            );
        } else {
            $add_data = array(
            'author_nick' => $old['author_nick'],
            'author_name' => $old['author_name'],
            'time' => $old['time'],
            );
        }
 
        if(!write_ini_file(array_merge(array('title' => $title, 'src'  => $src, 'keywords' => strip_tags($keywords), 'sef_desc' => strip_tags($sef_desc), 'comments' => $comments, 'views' => (!$new_flag) ? $old['views'] : 0, 'mode' => $mode, 'comcount' => (!$new_flag) ? $old['comcount'] : 0), $add_data), $art_prefix . 'define') || !file_write_contents($art_prefix . 'short', $desc) || !file_write_contents($art_prefix . 'full', $text)){
            $this->last_error = __('Error while saving article');
            return false;
        }
        if($new_flag && !file_write_contents($cat_prefix . 'lst', $art_id)){
            $this->last_error = __('Cannot update last article flag');
            return false;
        }
        if($this->container !== '#root' && $this->container !== '#hidden') {
            $this->index[$cat_id][$art_id]['time'] = $add_data['time'];
            $this->index[$cat_id][$art_id]['ccnt'] = (!$new_flag) ? $old['comcount'] : 0;
            $this->index[$cat_id][$art_id]['view'] = (!$new_flag) ? $old['views'] : 0;
            if($new_flag) $this->index[$cat_id][$art_id]['lcnt'] = 0;
        } else {
            $this->index[$art_id]['time'] = $add_data['time'];
            $this->index[$art_id]['ccnt'] = (!$new_flag) ? $old['comcount'] : 0;
            $this->index[$art_id]['view'] = (!$new_flag) ? $old['views'] : 0;
            if($new_flag) $this->index[$art_id]['lcnt'] = 0;
        }
        $_SESSION['art_id'] = $art_id;
        return $this->saveIndex();
    }
 
    function moveArticle($cat_id, $art_id, $new_cat_id) {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        $new_cat_id = (int) $new_cat_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container == '#root' || $this->container == '#hidden'){
            $this->last_error = __('This system section doesn\'t have categories');
            return false;
        }
        $cat_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/';
        $art_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/' . $art_id . '/';
        if(!is_dir($art_prefix)){
            $this->last_error = __('Invalid article');
            return false;
        }
        $ncat_prefix = ARTICLES_PATH . $this->container . '/' . $new_cat_id . '/';
        if(!is_dir($ncat_prefix)){
            $this->last_error = __('Invalid target category');
            return false;
        }
        $new_art_id = @file_get_contents($ncat_prefix . 'lst') + 1;
        $nart_prefix = ARTICLES_PATH . $this->container . '/' . $new_cat_id . '/' . $new_art_id . '/';
        rcms_rename_file($art_prefix, $nart_prefix);
        file_write_contents($ncat_prefix . 'lst', file_get_contents($ncat_prefix . 'lst') + 1);
        $this->index[$new_cat_id][$new_art_id] = $this->index[$cat_id][$art_id];
 
        rcms_remove_index($art_id, $this->index[$cat_id], true);
        return $this->saveIndex();
    }
 
    function moveArticleToContainer($src_container, $cat_id, $art_id, $new_container, $new_cat_id = 0) {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        if(!$this->setWorkContainer($src_container)){
            return false;
        }
        if(!$this->setWorkContainer($new_container)){
            return false;
        }
        if(!$this->setWorkContainer($src_container)){
            return false;
        }
        if($src_container == '#root' || $src_container == '#hidden'){
            $cat_prefix = ARTICLES_PATH . $src_container . '/';
            $art_prefix = ARTICLES_PATH . $src_container . '/' . $art_id . '/';
        } else {
            $cat_prefix = ARTICLES_PATH . $src_container . '/' . $cat_id . '/';
            $art_prefix = ARTICLES_PATH . $src_container . '/' . $cat_id . '/' . $art_id . '/';
        }
        if($new_container == '#root' || $new_container == '#hidden'){
            $ncat_prefix = ARTICLES_PATH . $new_container . '/';
        } else {
            $ncat_prefix = ARTICLES_PATH . $new_container . '/' . $new_cat_id . '/';
        }
        if(!is_dir($art_prefix)){
            $this->last_error = __('Invalid article');
            return false;
        }
        if(!is_dir($ncat_prefix)){
            $this->last_error = __('Invalid target category');
            return false;
        }
        if($src_container == '#root' || $src_container == '#hidden'){
            $data = $this->index[$art_id];
            rcms_remove_index($art_id, $this->index, true);
        } else {
            $data = $this->index[$cat_id][$art_id];
            rcms_remove_index($art_id, $this->index[$cat_id], true);
        }
        $this->saveIndex();
        $new_art_id = @file_get_contents($ncat_prefix . 'lst') + 1;
        $nart_prefix = $ncat_prefix . $new_art_id . '/';
        rcms_rename_file($art_prefix, $nart_prefix);
        file_write_contents($ncat_prefix . 'lst', file_get_contents($ncat_prefix . 'lst') + 1);
        if(!$this->setWorkContainer($new_container)){
            return false;
        }
        if($new_container == '#root' || $new_container == '#hidden'){
            $this->index[$new_art_id] = $data;
        } else {
            $this->index[$new_cat_id][$new_art_id] = $data;
        }
        return $this->saveIndex();
    }
 
    function deleteArticle($cat_id, $art_id) {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        global $system;
        if($this->container !== '#root' && $this->container !== '#hidden'){
            if(!($category = $this->getCategory($cat_id))){
                $this->last_error = __('There are no category with this ID');
                return false;
            }
            if($category['accesslevel'] > (int)@$system->user['accesslevel'] && !$system->checkForRight('-any-')) {
                $this->last_error = __('Access denied');
                return false;
            }
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/' . $art_id . '/';
            $art_data = &$this->articles[$this->container][$cat_id][$art_id];
        } else {
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $art_id . '/';
            $art_data = &$this->articles[$this->container][$art_id];
        }
        rcms_delete_files($art_prefix, true);
 
        if($this->container !== '#root' && $this->container !== '#hidden') {
            rcms_remove_index($art_id, $this->index[$cat_id], true);
            unset($this->index[$cat_id][$art_id]);
        } else {
            rcms_remove_index($art_id, $this->index, true);
        }
        $this->saveIndex();
        return true;
    }
 
    //---------------------------------------------------------------------------------//
    // Comments
 
    
 
    function getComments($cat_id, $art_id) {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container !== '#root' && $this->container !== '#hidden'){
            if(!($category = $this->getCategory($cat_id))){
                return false;
            }
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/' . $art_id . '/';
        } else {
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $art_id . '/';
        }
        if($data = @file_get_contents($art_prefix . 'comments')){
            $data = unserialize($data);
            foreach($data as $i => $msg){
                if(!empty($data[$i])) $data[$i]['text'] = rcms_parse_text($data[$i]['text'], true, false, true, 50);
            }
            return $data;
        } else return array();
    }
 
    function addComment($cat_id, $art_id, $text) {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        global $system;
        if($this->container !== '#root' && $this->container !== '#hidden'){
            if(!($category = $this->getCategory($cat_id))){
                return false;
            }
            if($category['accesslevel'] > (int)@$system->user['accesslevel'] && !$system->checkForRight('-any-')) {
                $this->last_error = __('Access denied');
                return false;
            }
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/' . $art_id . '/';
        } else {
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $art_id . '/';
        }
        if(is_file($art_prefix . 'define')){
            if($data = @file_get_contents($art_prefix . 'comments')) $data = unserialize($data); else $data = array();
            $article_data = rcms_parse_ini_file($art_prefix . 'define');
            // Forming new message
            $newmesg['author_user'] = $system->user['username'];
            $newmesg['author_nick'] = $system->user['nickname'];
            $newmesg['time'] = rcms_get_time();
            $newmesg['text'] = substr($text, 0, 2048);
            $newmesg['author_ip'] = $_SERVER['REMOTE_ADDR'];  // Matrix haz you neo ;)
            // Including new message
            $data[] = $newmesg;
            $save = serialize($data);
            iF(!file_write_contents($art_prefix . 'comments', serialize($data))){
                $this->last_error = __('Cannot write to file');
                return false;
            }
            $article_data['comcount']++;
            if(!write_ini_file($article_data, $art_prefix . 'define')){
                $this->last_error = __('Cannot write to file');
                return false;
            }
            if($this->container !== '#root' && $this->container !== '#hidden') {
                $this->index[$cat_id][$art_id]['ccnt']++;
                $this->index[$cat_id][$art_id]['lcnt'] = $newmesg['time'];
            } else {
                $this->index[$art_id]['ccnt']++;
                $this->index[$art_id]['lcnt'] = $newmesg['time'];
            }
            $res = $this->saveIndex();
            return $res;
        } else {
            $this->last_error = __('There are no article with this ID');
            return false;
        }
    }
 
    function deleteComment($cat_id, $art_id, $comment) {
        $cat_id = (int) $cat_id;
        $art_id = (int) $art_id;
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if($this->container !== '#root' && $this->container !== '#hidden'){
            if(!($category = $this->getCategory($cat_id))){
                return false;
            }
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $cat_id . '/' . $art_id . '/';
        } else {
            $art_prefix = ARTICLES_PATH . $this->container . '/' . $art_id . '/';
        }
        if($data = @unserialize(@file_get_contents($art_prefix . 'comments'))){
            if(isset($data[$comment])) {
                rcms_remove_index($comment, $data, true);
                @file_write_contents($art_prefix . 'comments', serialize($data));
                $article_data = rcms_parse_ini_file($art_prefix . 'define');
                $article_data['comcount']--;
                @write_ini_file($article_data, $art_prefix . 'define');
            }
            if($this->container !== '#root' && $this->container !== '#hidden') {
                $this->index[$cat_id][$art_id]['ccnt']--;
            } else {
                $this->index[$art_id]['ccnt']--;
            }
            $res = $this->saveIndex();
            return $res;
        } else return false;
    }
 
    //---------------------------------------------------------------------------------//
    // Index file
 
    
 
    function getIndex(){
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        $data = @file_get_contents(ARTICLES_PATH . $this->container . '/index');
        if(($this->index = @unserialize($data)) === false){
            $this->index = array();
        }
        return true;
    }
 
    function getStat($param, $cat_id = 0, $recent_only = false){
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        $result = array();
        if(!$cat_id && $this->container !== '#root' && $this->container !== '#hidden'){
            foreach ($this->index as $cat_id => $arts_data){
                foreach ($arts_data as $art_id => $art_data){
                    $result[$cat_id . '.' . $art_id] = $art_data[$param];
                }
            }
        } else {
            if($this->container !== '#root' && $this->container !== '#hidden') $arts_data = &$this->index[$cat_id];
            else $arts_data = &$this->index;
            if(!empty($arts_data)){
                foreach ($arts_data as $art_id => $art_data){
                    $result[$cat_id . '.' . $art_id] = $art_data[$param];
                }
            }
        }
        natsort($result);
        $result = array_reverse($result);
        if($recent_only) {
            if(!empty($result)){
                reset($result);
                return each($result);
            } else {
                return false;
            }
        } else {
            return $result;
        }
    }
 
    function getLimitedStat($param, $limit, $reverse = false){
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        $result = array();
        $return = array();
 
        if($this->container !== '#root' && $this->container !== '#hidden'){
            foreach ($this->index as $cat_id => $arts_data){
                foreach ($arts_data as $art_id => $art_data){
                    $result[$cat_id . '.' . $art_id] = $art_data[$param];
                }
            }
        } else {
            $arts_data = &$this->index;
            if(!empty($arts_data)){
                foreach ($arts_data as $art_id => $art_data){
                    $result[$cat_id . '.' . $art_id] = $art_data[$param];
                }
            }
        }
        natsort($result);
        if($reverse) {
            $result = array_reverse($result);
        }
        $i = 1;
        $limits = explode(',', $limit);
        if(sizeof($limits) == 1){
            foreach ($result as $k => $v){
                if($i <= $limits[0]) $return[$k] = $v;
                $i++;
            }
        } else {
            foreach ($result as $k => $v){
                if($i <= $limit[1] && $i >= $limits[0]) $return[$k] = $v;
                $i++;
            }
        }
        return $return;
    }
 
    function saveIndex(){
        if(empty($this->container)){
            $this->last_error = __('No section selected!');
            return false;
        }
        if(($data = serialize($this->index)) === false){
            $this->last_error = __('Error while converting index');
            return false;
        }
        if(!file_write_contents(ARTICLES_PATH . $this->container . '/index', $data)){
            $this->last_error = __('Error while saving index');
            return false;
        }
        return true;
    }
}
?>