Pridana podpora generovani a cteni carovych kodu
[mirrors/SokoMan.git] / index.php
index 33b7f75eb73d08fe4f750081b7fb14846a260adf..db9e514f7d129b11f98af87188bbe0286dbd8ae1 100755 (executable)
--- a/index.php
+++ b/index.php
  */
 
 require_once('sklad.conf.php');
+set_include_path(DIR_LIB.PATH_SEPARATOR.get_include_path());
+
 require_once('Sklad_LMS-fake.class.php');
 require_once('HTTP_Auth.class.php');
+require_once('Locale.class.php');
+require_once('Barcode.class.php');
 
 /**
 * Trida poskytuje vseobecne funkce pro generovani HTML kodu
@@ -54,25 +58,40 @@ class HTML {
                return $html;
        }
 
-       function link($title='n/a', $link='#void', $internal=true) {
-               if($internal) $link = $this->internal_url($link);
-               return "<a href='$link'>$title</a>";
+       function link($title='n/a', $link='#void', $internal=true, $translate=true) {
+               if($internal && (!isset($link[0]) || $link[0] != '#')) $link = $this->internal_url($link);
+               if($translate) $title = T($title);
+               return "<a href='$link'>".$title."</a>";
        }
 
-       function img($src='#void', $title='img') {
-               return "<img src='$src' alt='$title' title='$title' width=64 />";
+       function img($src='#void', $title='img', $options='width=64') {
+               $options = $options ? " $options" : '';
+               return "<img src='$src' alt='$title' title='$title'$options; />";
        }
 
-       function input($name=false, $value=false, $type='text', $placeholder=false, $options=false) {
-               $html = "<input type='$type' ";
+       function input($name=false, $value=false, $type='text', $placeholder=false, $options=false, $prefix='') {
+               $html = T($prefix)."<input type='$type' ";
                if($name) $html.= "name='$name' ";
-               if(!is_bool($value)) $html.= "value='$value' ";
+               if(!is_bool($value)) {
+                       if($type == 'submit') $value = T($value);
+                       $html.= "value='$value' ";
+               }
                if($options) $html.= "$options ";
                if($placeholder) $html.= "placeholder='$placeholder' ";
                $html .= '/>';
                return $html;
        }
 
+       function form($action=false, $method=false, $inputs, $options=false) {
+               $action = $action ? " action='$action'" : '';
+               $method = $method ? " method='$method'" : '';
+               $options = $options ? " $options" : '';
+               $html = "<form$action$method$options>";
+               foreach($inputs as $input) $html .= call_user_func_array(array($this,'input'), $input);
+               $html .= "</form>";
+               return $html;
+       }
+
        function select($name, $selectbox, $default=false) {
                //echo('<pre>'); print_r($selectbox);
                $html = "<select name='$name'>";
@@ -88,6 +107,27 @@ class HTML {
                $html .= "</select>";
                return $html;
        }
+
+       function ul($items,$tag=ul,$head='',$class=false) {
+               $class = $class ? " class='$class'" : '';
+               $html = "$head<$tag$class>";
+               foreach($items as $key => $value) {
+                       $html .= '<li>';
+                       if(is_numeric($key)) {
+                               $html .= $value;
+                       } else {
+                               $html .= $this->link($key,$value);
+                       }
+                       $html .= '</li>';
+               }
+               $html .= "</$tag>";
+               return $html;
+       }
+
+       function div($html, $options) {
+               $options = $options ? " $options" : '';
+               return "<div$options>$html</div>";
+       }
 }
 
 /**
@@ -98,27 +138,36 @@ class HTML {
 * @package  Sklad_HTML
 * @author   Tomas Mudrunka
 */
-class Sklad_HTML extends HTML {
+class Sklad_HTML extends HTML { //TODO: Split into few more methods
        function header($title='') {
                $home = URL_HOME;
                $script = $_SERVER['SCRIPT_NAME'];
                $search = htmlspecialchars(@trim($_GET['q']));
                $message = strip_tags(@trim($_GET['message']),'<a><b><u><i>');
-               return <<<EOF
+               $instance = INSTANCE_ID != '' ? '/'.INSTANCE_ID : '';
+               //$title = T($title); //TODO
+               $html = <<<EOF
 <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+       <title>SōkoMan$title</title>
 </head>
-<h1><a href="$script/">SystémSklad</a><small>$title</small></h1>
+<h1><a href="$script/">SōkoMan</a><small>$instance$title</small></h1>
 
 <style type="text/css">
-.menu li, .menu * li {
+* { font-family: arial; }
+
+.menu li {
        float: left;
-       margin: 0.2em;
+       padding: 0.2em;
+}
+
+.menu * li {
+       float: none;
 }
 
 .menu * menu {
        position: absolute;
-       background-color: yellow;
+       padding: 0.2em;
 }
 
 .menu, .menu * menu {
@@ -126,64 +175,66 @@ class Sklad_HTML extends HTML {
 }
 
 .menu * menu {
+       border: 1px solid orange;
        display: none;
        margin: 0;
 }
 
-.menu li:hover menu {
+.menu li:hover menu, .menu li:hover {
        display: block;
+       background-color: yellow;
 }
+
 </style>
 
 <div>
-       <menu class="menu">
-               <li><a href="?logout">Logout</a></li>
-               <li><a href="$script/">Home</a></li>
-               <li><a href="#">Assistants</A>
-                       <menu>
-                               <li><a href="$script/assistant/new-item">new-item</a></li>
-                       </menu>
-               </li>
-               <li><a href="#">List</a>
-                       <menu>
-                               <li><a href="$script/item">item</a></li>
-                               <li><a href="$script/model">model</a></li>
-                               <li><a href="$script/category">category</a></li>
-                               <li><a href="$script/producer">producer</a></li>
-                               <li><a href="$script/vendor">vendor</a></li>
-                               <li><a href="$script/room">room</a></li>
-                               <li><a href="$script/status">status</a></li>
-                       </menu>
-               </li>
-               <li><a href="#">New</a>
-                       <menu>
-                               <li><a href="$script/item/new">item</a></li>
-                               <li><a href="$script/model/new">model</a></li>
-                               <li><a href="$script/category/new">category</a></li>
-                               <li><a href="$script/producer/new">producer</a></li>
-                               <li><a href="$script/vendor/new">vendor</a></li>
-                               <li><a href="$script/room/new">room</a></li>
-                               <li><a href="$script/status/new">status</a></li>
-                       </menu>
-               </li>
-       </menu>
-
-       <div style="float: right;">
-               <form action="?" method="GET">
-                       <input type="text" name="q" placeholder="regexp..." value="$search" />
-                       <input type="submit" value="filter" />
-               </form>
-               <!-- form action="$script/" method="GET">
-                       <input type="text" name="q" placeholder="regexp..." value="$search" />
-                       <input type="submit" value="search items" />
-               </form -->
-       </div>
+EOF;
+
+       $assistants=array();
+       foreach(scandir(DIR_ASSISTANTS) as $item) {
+               if($item == '.' || $item == '..') continue;
+               $item = preg_replace('/\.inc\.php$/','',$item);
+               $assistants[$item] = "assistant/$item";
+       }
+
+       $tables=array('item','model','category','producer','vendor','room','status');
+
+       foreach($tables as $table) {
+               $listable[$table] = $table;
+               $insertable[$table] = "$table/new";
+       }
+
+       $html .= $this->ul(array(
+               'Logout' => '?logout',
+               'Home' => '',
+               0 => $this->ul($assistants,'menu',$this->link('Assistants','#')),
+               1 => $this->ul($listable,'menu',$this->link('List','#')),
+               2 => $this->ul($insertable,'menu',$this->link('New','#'))
+       ),'menu', '', 'menu');
+
+       $html .= '<div style="float: right;">';
+
+       $html .= $this->form("$script/assistant/go", 'GET', array(
+               array('q','','text','smart id...', 'autofocus'),
+               array(false,'go','submit')
+       ), 'style="float: left;"');
+
+       $html .= $this->form('?', 'GET', array(
+               array('q',$search,'text','regexp...'),
+               array(false,'filter','submit')
+       ), 'style="float: left;"');
+
+       $html .= '</div>';
+
+       $html .= <<<EOF
 </div>
 <hr style="clear: both;" />
 <div style="background-color:#FFDDDD;">
        <font color="red">$message</font>
 </div>
 EOF;
+
+       return $html;
        }
 
        function internal_url($link) {
@@ -201,6 +252,19 @@ EOF;
                }
        }
 
+       function render_barcode($barcode,$opts=false) {
+               return $this->link($this->img($this->internal_url("barcode/$barcode"),$barcode,$opts),"barcode/$barcode",true,false);
+       }
+
+       function table_add_barcodes(&$table) {
+               $image = array('model_barcode', 'item_serial');
+               foreach($table as $id => $row) {
+                       foreach($image as $column) if(isset($table[$id][$column])) {
+                               $table[$id][$column]=$this->render_barcode($table[$id][$column]);
+                       }
+               }
+       }
+
        function table_collapse(&$table) {
                $collapse = array(
                        'item_id' => 'item_id',
@@ -213,7 +277,7 @@ EOF;
                );
                foreach($table as $id => $row) {
                        foreach($collapse as $link => $title)
-                               if(isset($table[$id][$link])) {
+                               if(isset($table[$id][$link]) && isset($row[$title])) {
                                        $type = @array_shift(preg_split('/_/', $link));
                                        if($link != $title) unset($table[$id][$link]);
                                        $table[$id][$title]=$this->link($row[$title], $type.'/'.$row[$link].'/');
@@ -227,22 +291,24 @@ EOF;
                foreach($table as $id => $row) {
                        $table_sorted[$id] = array();
                        foreach($precedence as $column) if(isset($table[$id][$column])) {
-                               $table_sorted[$id][$column]=$table[$id][$column];
+                               $table_sorted[$id][T($column)]=$table[$id][$column];
                                unset($table[$id][$column]);
                        }
-                       $table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
+                       //$table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
+                       foreach($table[$id] as $key => $val) $table_sorted[$id][T($key)] = $val; //array_merge with T() translating
                }
                $table = $table_sorted;
        }
 
        function render_item_table($table) {
                $this->table_add_images($table);
+               $this->table_add_barcodes($table);
                $this->table_collapse($table);
                $this->table_sort($table);
                return $this->table($table);
        }
 
-       function render_insert_form($class, $columns, $selectbox=array(), $current=false, $hidecols=false, $multi_insert=true) {
+       function render_insert_form($class, $columns, $selectbox=array(), $current=false, $hidecols=false, $action=false, $multi_insert=true) {
                //echo('<pre>'); print_r($selectbox);
                //echo('<pre>'); print_r($current);
                $update = false;
@@ -253,13 +319,14 @@ EOF;
 
                if(!is_array($hidecols)) $hidecols = array('item_author', 'item_valid_from', 'item_valid_till'); //TODO Autodetect
 
-               $html='<form method="POST">';
+               $action = $action ? " action='$action'" : false;
+               $html="<form$action method='POST'>"; //TODO: use $this->form()
                if($multi_insert) $html.='<div name="input_set" style="float:left; border:1px solid grey;">';
                //$html.=$this->input('table', $class, 'hidden');
                foreach($columns as $column)    {
-                       $html.=$class.':<b>'.$column['Field'].'</b>: ';
+                       $html.=T($class).':<b>'.T($column['Field']).'</b>: ';
                        $name="values[$class][".$column['Field'].'][]';
-                       $val = $update ? $current[$column['Field']] : false;
+                       $val = $update && isset($current[$column['Field']]) ? $current[$column['Field']] : false;
                        switch(true) {
                                case (preg_match('/auto_increment/', $column['Extra']) || in_array($column['Field'], $hidecols)):
                                        if(!$val) $val = '';
@@ -292,7 +359,7 @@ EOF;
 EOF;
                }
 
-               $btn = is_array($current) ? 'UPDATE' : 'INSERT';
+               $btn = is_array($current) ? 'UPDATE' : 'INSERT'; //TODO: $current may be set even when inserting...
                $html.=$this->input(false, $btn, 'submit');
                $html.='</form>';
                return $html;
@@ -326,7 +393,7 @@ class Sklad_DB extends PDO {
                        'model' => array('category', 'producer')
                ); //TODO Autodetect using foreign keys?
                $search_fields = array(
-                       'item'  => array('item_id','model_name','model_barcode','model_descript','producer_name','vendor_name')
+                       'item'  => array('item_id','item_serial','model_name','model_barcode','model_descript','producer_name','vendor_name')
                ); //TODO Autodetect
 
                //Escaping
@@ -339,14 +406,14 @@ class Sklad_DB extends PDO {
                //WHERE/REGEXP
                if($search) {
                        $search = $this->quote($search);
-                       if(!isset($search_fields[$class])) $this->post_redirect_get($class, "Ve tride $class zatim vyhledavat nemozno :-(");
-                       $search = '';
-                       foreach($search_fields[$class] as $column) $search .= "OR $column REGEXP $search ";
-                       $where[] = "FALSE $search";
+                       if(!isset($search_fields[$class])) die(trigger_error(T("Can't search in $class table yet :-("))); //TODO: post_redirect_get
+                       $sql_search = '';
+                       foreach($search_fields[$class] as $column) $sql_search .= "OR $column REGEXP $search ";
+                       $where[] = "FALSE $sql_search";
                }       elseif($id) $where[] = "$class$suffix_id = $id";
                if(!$history && $this->contains_history($class)) $where[] = $class.'_valid_till=0';
 
-               if($where) $sql .= 'WHERE '.implode(' AND ', $where)."\n";
+               if($where) $sql .= 'WHERE ('.implode(') AND (', $where).")\n";
                //ORDER
                if(!$order) $order = $class.$suffix_id;
                if($this->contains_history($class)) $order .= ",${class}_valid_from DESC";
@@ -371,9 +438,26 @@ class Sklad_DB extends PDO {
                return $result;
        }
 
+       function translate_query_results($result) {
+               $translate_cols = array('status_name', 'item_valid_till'); //TODO: Hardcoded
+               foreach($result as $key => $row) {
+                       foreach($translate_cols as $col) if(isset($result[$key][$col])){
+                               $result[$key][$col] = T($result[$key][$col]);
+                       }
+               }
+               return $result;
+       }
+
+       function safe_query_fetch($sql, $fatal=true, $fetch_flags = PDO::FETCH_ASSOC, $translate=true) {
+               $result = $this->safe_query($sql, $fatal)->fetchAll($fetch_flags);
+               if($translate) $result = $this->translate_query_results($result);
+               return $result;
+       }
+
+
        function get_listing($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $indexed=array(), $suffix_id='_id') {
                $sql = $this->build_query_select($class, $id, $limit, $offset, $where, $search, $history);
-               $result = $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
+               $result = $this->safe_query_fetch($sql);
                if(!$result || !is_array($indexed)) return $result;
 
                foreach($result as $key => $row) $indexed[$row[$class.$suffix_id]]=$row;
@@ -383,7 +467,7 @@ class Sklad_DB extends PDO {
        function get_columns($class) {
                $class = $this->escape($class);
                $sql = "SHOW COLUMNS FROM $class;";
-               return $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
+               return $this->safe_query_fetch($sql);
        }
 
        function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
@@ -395,16 +479,23 @@ class Sklad_DB extends PDO {
                        $table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
 
                        $history = $this->contains_history($table) ? " WHERE ${table}_valid_till=0" : '';
-                       $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table$history;";
-                       $result = $this->safe_query($sql, false);
+                       $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table$history;"; //TODO use build_query_select()!!!
+                       $result = $this->safe_query_fetch($sql, false);
                        if(!$result) continue;
-                       $result = $result->fetchAll(PDO::FETCH_ASSOC);
                        foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
                }
                //echo('<pre>'); print_r($selectbox);
                return array_filter($selectbox, 'ksort');
        }
 
+       function map_unique($key, $value, $select, $table) { //TODO: Guess $select and $table if not passed
+               $history = $this->contains_history($table) ? " AND ${table}_valid_till=0" : '';
+               $value=$this->quote($value);
+               $sql = "SELECT $select FROM $table WHERE $key=$value$history LIMIT 1;"; //TODO use build_query_select()!!!
+               $result = $this->safe_query_fetch($sql);
+               if(isset($result[0][$select])) return $result[0][$select]; else die(trigger_error(T('Record not found!'))); //TODO post_redirect_get...
+       }
+
        function contains_history($table) {
                $history_tables = array('item'); //TODO Autodetect
                return in_array($table, $history_tables);
@@ -482,15 +573,15 @@ class Sklad_DB extends PDO {
                return $sql;
        }
 
-       function insert_or_update($table, $values) {
-               $sql = $this->build_query_insert($table, $values);
+       function insert_or_update($table, $values, $replace=true) {
+               $sql = $this->build_query_insert($table, $values, $replace);
                $this->safe_query($sql);
                return $this->lastInsertId();
        }
 
-       function insert_or_update_multitab($values) {
+       function insert_or_update_multitab($values, $replace=true) {
                $last=false;
-               foreach($values as $table => $rows) $last = $this->insert_or_update($table, $rows);
+               foreach($values as $table => $rows) $last = $this->insert_or_update($table, $rows, $replace);
                return $last;
        }
 
@@ -557,6 +648,7 @@ class Sklad_UI {
                $html.= '<br />';
                $html.= $this->html->link('edit', "$class/$id/edit/");
                if($this->db->contains_history($class)) $html.= ' ][ '.$this->html->link('history', "$class/$id/history/");
+               $html.='<br />'.$this->html->render_barcode(BARCODE_PREFIX.strtoupper("$class/$id"));
                return $html;
        }
 
@@ -583,15 +675,15 @@ class Sklad_UI {
                if($edit)       {
                        $html.= $this->render_form_edit($class, $id);
                        $action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
-           $html.= "<form action='$action' method='POST'>";
-                       $html.= $this->html->input(false, 'DELETE', 'submit');
-                       $html.= 'sure?'.$this->html->input('sure', false, 'checkbox');
-                       $html.= '</form>';
+                       $html.=$this->html->form($action,'POST',array(
+                               array(false,'DELETE','submit'),
+                               array('sure', false, 'checkbox', false, false, 'sure?')
+                       ));
                        $action = $_SERVER['SCRIPT_NAME']."/$class/$id/image";
-           $html.= "<form action='$action' method='POST' enctype='multipart/form-data'>";
-                       $html.= $this->html->input('image', false, 'file', false, 'size="30"');
-                       $html.= $this->html->input(false, 'IMAGE', 'submit');
-                       $html.='</form>';
+                       $html.=$this->html->form($action,'POST',array(
+                               array('image', false, 'file', false, 'size="30"'),
+                               array(false, 'IMAGE', 'submit')
+                       ), "enctype='multipart/form-data'");
                }
                return $html;
        }
@@ -601,10 +693,15 @@ class Sklad_UI {
        }
 
        function post_redirect_get($location, $message='', $error=false) {
-               $location = $this->html->internal_url($location).'?message='.urlencode($message);
+               $url_args = $message != '' ? '?message='.urlencode(T($message)) : '';
+               $location = $this->html->internal_url($location).$url_args;
                header('Location: '.$location);
                if($error) trigger_error($message);
-               die("Location: <a href='$location'>$location</a>");
+               $location=htmlspecialchars($location);
+               die(
+                       "<meta http-equiv='refresh' content='0; url=$location'>".
+                       T($message)."<br />Location: <a href='$location'>$location</a>"
+               );
        }
 
        function safe_include($dir,$name,$vars=array(),$ext='.inc.php') {
@@ -619,7 +716,7 @@ class Sklad_UI {
                return $out;
        }
 
-       function process_http_request_post($action=false, $class=false, $id=false) {
+       function process_http_request_post($action=false, $class=false, $id=false, $force_redirect=false) {
                if($_SERVER['REQUEST_METHOD'] != 'POST') return;
                //echo('<pre>'); //DEBUG (maybe todo remove), HEADERS ALREADY SENT!!!!
 
@@ -641,13 +738,16 @@ class Sklad_UI {
 
                if($action) switch($action) {
                        case 'new':
+                               $replace = false;
                        case 'edit':
+                               if(!isset($replace)) $replace = true;
                                $table = $class ? $class : 'item';
                                //print_r($values); //debug
-                               $last = $this->db->insert_or_update_multitab($values);
-                               $last = "$table/$last/";
+                               $last = $this->db->insert_or_update_multitab($values, $replace);
+                               $last = $force_redirect ? $force_redirect."?last=$last" : "$table/$last/";
                                $next = "$table/new/";
-                               $this->post_redirect_get($last, 'Hotovo. Další záznam přidáte '.$this->html->link('zde', $next).'.');
+                               $message = $force_redirect ? '' : 'Hotovo. Další záznam přidáte '.$this->html->link('zde', $next).'.';
+                               $this->post_redirect_get($last, $message);
                                break;
                        case 'delete':
                                if(!isset($_POST['sure']) || !$_POST['sure']) $this->post_redirect_get("$class/$id/edit", 'Sure user expected :-)');
@@ -658,14 +758,14 @@ class Sklad_UI {
                                $image_classes = array('model'); //TODO, use this more widely across the code
                                if(!in_array($class, $image_classes)) $this->post_redirect_get("$class/$id/edit", "Nekdo nechce k DB Tride '$class' prirazovat obrazky!");
                                $image_destination = DIR_IMAGES."/$class/$id.jpg";
-                               if($_FILES['image']['name'] == '') $this->post_redirect_get("$class/$id/edit", 'Kazde neco se musi nejak jmenovat!', true);
+                               if($_FILES['image']['name'] == '') $this->post_redirect_get("$class/$id/edit", 'Everything has to be called somehow!', true);
                                if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
                                        chmod ($image_destination, 0664);
-                                       $this->post_redirect_get("$class/$id", 'Obrazek se naladoval :)');
-                               } else $this->post_redirect_get("$class/$id/edit", 'Soubor se nenahral :(', true);
+                                       $this->post_redirect_get("$class/$id", 'Image has been upbloated successfully :)');
+                               } else $this->post_redirect_get("$class/$id/edit", 'File upload failed :(', true);
                                break;
                        default:
-                               trigger_error('Nothin\' to do here my cutie :-*');
+                               $this->post_redirect_get('', 'Nothin\' to do here my cutie :-*');
                                break;
                }
 
@@ -681,20 +781,24 @@ class Sklad_UI {
                }
 
                $PATH_INFO=@trim($_SERVER[PATH_INFO]);
-               if($_SERVER['REQUEST_METHOD'] != 'POST') echo $this->html->header($PATH_INFO); //TODO tahle podminka naznacuje ze je v navrhu nejaka drobna nedomyslenost...
-
-
-               //Sephirot:
                $PATH_CHUNKS = preg_split('/\//', $PATH_INFO);
+               //Sephirot:
                if(!isset($PATH_CHUNKS[1])) $PATH_CHUNKS[1]='';
-               switch($PATH_CHUNKS[1]) {
+               if($_SERVER['REQUEST_METHOD'] != 'POST' && $PATH_CHUNKS[1]!='barcode') echo $this->html->header($PATH_INFO); //TODO: tyhle podminky naznacujou, ze je v navrhu nejaka drobna nedomyslenost...
+               switch($PATH_CHUNKS[1]) { //TODO: Move some branches to plugins if possible
                        case 'test':    //test
                                die('Tell me why you cry');
                                break;
                        case 'assistant': //assistant
-                               $assistant_vars['step'] = isset($PATH_CHUNKS[3]) && is_numeric($PATH_CHUNKS[3]) ? trim($PATH_CHUNKS[3]) : false;
+                               $PATH_CHUNKS[3] = isset($PATH_CHUNKS[3]) ? trim($PATH_CHUNKS[3]) : false;
+                               $assistant_vars['SUBPATH'] = array_slice($PATH_CHUNKS, 3);
+                               $assistant_vars['URL_INTERNAL'] = 'assistant/'.$PATH_CHUNKS[2];
+                               $assistant_vars['URL'] = $_SERVER['SCRIPT_NAME'].'/'.$assistant_vars['URL_INTERNAL'];
                                echo $this->safe_include(DIR_ASSISTANTS,$PATH_CHUNKS[2],$assistant_vars);
                                break;
+                       case 'barcode': //barcode
+                               Barcode::download_barcode(implode('/',array_slice($PATH_CHUNKS, 2)));
+                               break;
                        default:        //?
                                $search = (isset($_GET['q']) && trim($_GET['q']) != '') ? trim($_GET['q']) : false;
                                $class  = (isset($PATH_CHUNKS[1]) && $PATH_CHUNKS[1] != '') ? $PATH_CHUNKS[1] : 'item';
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