Vylepseno (zjednoduseno) rozhrani pro assistanty
[mirrors/SokoMan.git] / index.php
index d47bbbc490c92802c05ac5a3c53c08f5b69d2a91..931f06cbb582b2235467c0c3447a4dd913fe1a27 100755 (executable)
--- a/index.php
+++ b/index.php
@@ -22,44 +22,14 @@ require_once('Sklad_LMS-fake.class.php');
 require_once('HTTP_Auth.class.php');
 
 /**
-* Trida poskytuje podpurne funkce pro generovani HTML kodu specificke pro sklad
+* Trida poskytuje vseobecne funkce pro generovani HTML kodu
 *
 * Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
 *
-* @package  Sklad_HTML
+* @package  HTML
 * @author   Tomas Mudrunka
 */
-class Sklad_HTML {
-       function header($title='') {
-               $home = URL_HOME;
-               $script = $_SERVER['SCRIPT_NAME'];
-               $search = htmlspecialchars(@trim($_GET['q']));
-               $message = htmlspecialchars(@trim($_GET['message']));
-               return <<<EOF
-<head>
-       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
-</head>
-<h1><a href="$script/">SystémSklad</a><small>$title</small></h1>
-<div>
-       <menu>
-               <li><a href="?logout">Logout</a></li>
-               <li><a href="$script/">Home</a></li>
-       </menu>
-       <form action="?" method="GET">
-               <input type="text" name="q" placeholder="regexp..." value="$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>
-<div style="background-color:#FFDDDD;">
-       <font color="red">$message</font>
-</div>
-EOF;
-       }
-
+class HTML {
        function row($row) {
                $html='<tr>';
                foreach($row as $var) {
@@ -84,10 +54,6 @@ EOF;
                return $html;
        }
 
-       function internal_url($link) {
-               return $_SERVER['SCRIPT_NAME'].'/'.$link;
-       }
-
        function link($title='n/a', $link='#void', $internal=true) {
                if($internal) $link = $this->internal_url($link);
                return "<a href='$link'>$title</a>";
@@ -97,6 +63,149 @@ EOF;
                return "<img src='$src' alt='$title' title='$title' width=64 />";
        }
 
+       function input($name=false, $value=false, $type='text', $placeholder=false, $options=false) {
+               $html = "<input type='$type' ";
+               if($name) $html.= "name='$name' ";
+               if(!is_bool($value)) $html.= "value='$value' ";
+               if($options) $html.= "$options ";
+               if($placeholder) $html.= "placeholder='$placeholder' ";
+               $html .= '/>';
+               return $html;
+       }
+
+       function select($name, $selectbox, $default=false) {
+               //echo('<pre>'); print_r($selectbox);
+               $html = "<select name='$name'>";
+
+               if($default) {
+                       $value=$default; $title=$selectbox[$value];
+                       $html .= "<option value='$value'>$value :: $title</option>";
+                       unset($selectbox[$value]);
+               }
+               foreach($selectbox as $value => $title) {
+                       $html .= "<option value='$value'>$value :: $title</option>";
+               }
+               $html .= "</select>";
+               return $html;
+       }
+}
+
+/**
+* Trida poskytuje podpurne funkce pro generovani HTML kodu specificke pro sklad
+*
+* Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
+*
+* @package  Sklad_HTML
+* @author   Tomas Mudrunka
+*/
+class Sklad_HTML extends HTML {
+       function header($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
+<head>
+       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+</head>
+<h1><a href="$script/">SystémSklad</a><small>$title</small></h1>
+
+<style type="text/css">
+.menu li {
+       float: left;
+       padding: 0.2em;
+}
+
+.menu * li {
+       float: none;
+}
+
+.menu * menu {
+       position: absolute;
+       padding: 0.2em;
+}
+
+.menu, .menu * menu {
+       list-style: none;
+}
+
+.menu * menu {
+       border: 1px solid orange;
+       display: none;
+       margin: 0;
+}
+
+.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/stats">stats</a></li>
+                               <li><a href="$script/assistant/store">store</a></li>
+                               <li><a href="$script/assistant/store-single">store-single</a></li>
+                               <li><a href="$script/assistant/dispose">dispose</a></li>
+                               <li><a href="$script/assistant/sell">sell</a></li>
+                               <li>&darr;&darr; BETA &darr;&darr;</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="$script/assistant/go" method="GET" style="float: left;"><!-- TODO: Display only when go plugin available -->
+                       <input type="text" name="q" placeholder="smart id..." />
+                       <input type="submit" value="go" />
+               </form>
+               <form action="?" method="GET" style="float: left;">
+                       <input type="text" name="q" placeholder="regexp..." value="$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>
+</div>
+<hr style="clear: both;" />
+<div style="background-color:#FFDDDD;">
+       <font color="red">$message</font>
+</div>
+EOF;
+       }
+
+       function internal_url($link) {
+               return $_SERVER['SCRIPT_NAME'].'/'.$link;
+       }
+
        function table_add_images(&$table) {
                $image = array('model_id');
                foreach($table as $id => $row) {
@@ -120,7 +229,7 @@ EOF;
                );
                foreach($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].'/');
@@ -149,33 +258,7 @@ EOF;
                return $this->table($table);
        }
 
-       function input($name=false, $value=false, $type='text', $placeholder=false, $options=false) {
-               $html = "<input type='$type' ";
-               if($name) $html.= "name='$name' ";
-               if(!is_bool($value)) $html.= "value='$value' ";
-               if($options) $html.= "$options ";
-               if($placeholder) $html.= "placeholder='$placeholder' ";
-               $html .= '/>';
-               return $html;
-       }
-
-       function select($name, $selectbox, $default=false) {
-               //echo('<pre>'); print_r($selectbox);
-               $html = "<select name='$name'>";
-
-               if($default) {
-                       $value=$default; $title=$selectbox[$value];
-                       $html .= "<option value='$value'>$value :: $title</option>";
-                       unset($selectbox[$value]);
-               }
-               foreach($selectbox as $value => $title) {
-                       $html .= "<option value='$value'>$value :: $title</option>";
-               }
-               $html .= "</select>";
-               return $html;
-       }
-
-       function render_insert_form($class, $columns, $selectbox=array(), $current=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;
@@ -184,15 +267,18 @@ EOF;
                        $current = array_shift($current);
                }
 
-               $html='<form method="POST">';
+               if(!is_array($hidecols)) $hidecols = array('item_author', 'item_valid_from', 'item_valid_till'); //TODO Autodetect
+
+               $action = $action ? " action='$action'" : false;
+               $html="<form$action method='POST'>";
                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>: ';
                        $name="values[$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']):
+                               case (preg_match('/auto_increment/', $column['Extra']) || in_array($column['Field'], $hidecols)):
                                        if(!$val) $val = '';
                                        $html.=$this->input($name, $val, 'hidden');
                                        $html.=$val.'(AUTO)';
@@ -223,7 +309,7 @@ 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 $html;
@@ -250,15 +336,15 @@ class Sklad_DB extends PDO {
                return preg_replace('(^.|.$)', '', $this->quote($str)); //TODO HACK
        }
 
-       function build_query_select($class, $id=false, $limit=false, $offset=0, $search=false, $order=false, $suffix_id='_id') {
+       function build_query_select($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $order=false, $suffix_id='_id') {
                //Configuration
                $join = array(
                        'item'  => array('model', 'category', 'producer', 'vendor', 'room', 'status'),
                        '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
                $class = $this->escape($class);
@@ -270,37 +356,40 @@ class Sklad_DB extends PDO {
                //WHERE/REGEXP
                if($search) {
                        $search = $this->quote($search);
-                       if(!isset($search_fields[$class])) {
-                               trigger_error("Ve tride $class zatim vyhledavat nemozno :-(");
-                               die();
-                       }
-                       $sql .= 'WHERE FALSE ';
-                       foreach($search_fields[$class] as $column) $sql .= "OR $column REGEXP $search ";
-               }       elseif($id) $sql .= "WHERE $class$suffix_id = $id\n";
+                       if(!isset($search_fields[$class])) $this->post_redirect_get($class, "Ve tride $class zatim vyhledavat nemozno :-(");
+                       $sql_search = '';
+                       foreach($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 (', $where).")\n";
+               //ORDER
+               if(!$order) $order = $class.$suffix_id;
+               if($this->contains_history($class)) $order .= ",${class}_valid_from DESC";
+               $sql .= "ORDER BY $order\n";
                //LIMIT/OFFSET
                if($limit) {
                        $limit = $this->escape((int)$limit);
                        $offset = $this->escape((int)$offset);
                        $sql .= "LIMIT $offset,$limit\n";
                }
-               //ORDER
-               if(!$order) $order = $class.$suffix_id;
-               $sql .= "ORDER BY $order";
 
                return $sql;
        }
 
-       function safe_query($sql) {
+       function safe_query($sql, $fatal=true) {
                $result = $this->query($sql);
                if(!$result) {
                        $error = $this->errorInfo();
-                       die(trigger_error("<font color=red><b>QUERY FAILED ($error[0]): </b>$error[2]<br /><br /><b>QUERY:</b>\n<pre>$sql</pre></font>"));
+                       trigger_error("<font color=red><b>QUERY FAILED ($error[0],$error[1]): </b>$error[2]<br /><br /><b>QUERY:</b>\n<pre>$sql</pre></font>");
+                       if($fatal) die();
                }
                return $result;
        }
 
-       function get_listing($class, $id=false, $limit=false, $offset=0, $search=false, $indexed=array(), $suffix_id='_id') {
-               $sql = $this->build_query_select($class, $id, $limit, $offset, $search);
+       function get_listing($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);
                if(!$result || !is_array($indexed)) return $result;
 
@@ -317,53 +406,121 @@ class Sklad_DB extends PDO {
        function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
                $selectbox=array();
                foreach($columns as $column) {
+                       if($column['Field'] == 'user_id') continue; //TODO HACK Blacklist: tabulka nemusi obsahovat *_name!!! momentalne se to tyka jen tabulky user (a item - u ty to nevadi)!
                        if($class && $column['Field'] == $class.$suffix_id) continue;
                        if(!preg_match('/'.$suffix_id.'$/', $column['Field'])) continue;
                        $table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
-                       $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table;";
-                       $result=$this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
+
+                       $history = $this->contains_history($table) ? " WHERE ${table}_valid_till=0" : '';
+                       $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table$history;"; //TODO use build_query_select()!!!
+                       $result = $this->safe_query($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 $selectbox;
+               return array_filter($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 = $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
+               if(isset($result[0][$select])) return $result[0][$select]; else die(trigger_error('Položka nenalezena!')); //TODO post_redirect_get...
+       }
+
+       function contains_history($table) {
+               $history_tables = array('item'); //TODO Autodetect
+               return in_array($table, $history_tables);
        }
 
        function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
+               //Init
+               $history = $this->contains_history($table);
+
+               //Escaping
                $table = $this->escape($table);
 
                //Get list of POSTed columns
-               $columns = implode(',',array_map(array($this,'escape'), array_keys($values[0])));
+               $columns_array = array_map(array($this,'escape'), array_keys($values[0]));
+               $columns = implode(',',$columns_array);
+
+               //Build query
+               $sql = '';
+               //echo('<pre>'); die(print_r($values));
+
+               if($history) {
+                       $history_update=false;  foreach($values as $row) if(is_numeric($row[$table.'_id'])) $history_update=true;
+                       if($history_update) {
+                               $sql .= "UPDATE $table";
+                               $sql .= " SET ${table}_valid_till=NOW()";
+                               $sql .= " WHERE ${table}_valid_till=0 AND (";
+                               $or = '';
+                               foreach($values as $row) {
+                                       $sql .= $or.' '.$table.'_id='.$row[$table.'_id'];
+                                       $or = ' OR';
+                               }
+                               $sql .= " );\n\n";
+                               $replace = false;
+                       }
+               }
 
                //Insert into table (columns)
-               $sql = 'INSERT';
-               if($replace) $sql = 'REPLACE';
-               $sql .= " INTO $table ($columns) VALUES ";
+               $sql .= "INSERT INTO $table ($columns) VALUES ";
 
                //Values (a,b,c),(d,e,f)
                $comma='';
                foreach($values as $row) {
-                       $sql .= $comma.'('.implode(',',array_map(array($this,'quote'), $row)).')';
+                       $row_quoted = array_map(array($this,'quote'), $row); //Check
+                       if($history) {
+                               foreach($row as $column => $value) {
+                                       switch($column) {
+                                               case $table.'_valid_from':
+                                                       $row_quoted[$column] = 'NOW()';
+                                                       break;
+                                               case $table.'_valid_till':
+                                                       $row_quoted[$column] = '0';
+                                                       break;
+                                               case $table.'_author':
+                                                       $row_quoted[$column] = $this->lms->get_authorized_user_id();
+                                                       //die($this->lms->get_authorized_user_id().'=USER');
+                                                       break;
+                                       }
+                               }
+                       }
+                       $sql .= $comma.'('.implode(',',$row_quoted).')';
                        $comma = ',';
                }
 
+               //On duplicate key
+               if($replace) {
+                       foreach($columns_array as $col) {
+                               if($col == $table.'_id' || $col == $table.'_valid_till') continue;
+                               $on_duplicate[] = "$col=VALUES($col)";
+                       }
+                       $sql .= "\nON DUPLICATE KEY UPDATE ".implode(',', $on_duplicate);
+               }
+
                //Terminate
                $sql .= ';';
                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;
        }
 
        function delete($table, $id, $suffix_id='_id') {
+               if($this->contains_history($table)) return false;
                $key = $this->escape($table.$suffix_id);
                $table = $this->escape($table);
                $id = $this->quote($id);
@@ -371,6 +528,16 @@ class Sklad_DB extends PDO {
        }
 }
 
+/**
+* Trida poskytuje high-level rozhrani k databazi skladu
+*
+* @package  Sklad_DB_Abstract
+* @author   Tomas Mudrunka
+*/
+class Sklad_DB_Abstract extends Sklad_DB {
+       //TODO Code
+}
+
 /**
 * Trida implementuje uzivatelske rozhrani skladu
 *
@@ -387,8 +554,8 @@ class Sklad_UI {
                $this->html = new Sklad_HTML();
        }
 
-       function render_items($class, $id=false, $limit=false, $offset=0, $search=false) {
-               return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $search));
+       function render_items($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false) {
+               return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $where, $search, $history, false));
        }
 
        function render_form_add($class) {
@@ -400,7 +567,7 @@ class Sklad_UI {
        function render_form_edit($class, $id) {
                $columns = $this->db->get_columns($class);
                $selectbox = $this->db->columns_get_selectbox($columns, $class);
-               $current = $this->db->get_listing($class, $id);
+               $current = $this->db->get_listing($class, $id, 1);
                return $this->html->render_insert_form($class, $columns, $selectbox, $current);
        }
 
@@ -414,6 +581,7 @@ class Sklad_UI {
                $html.= $this->html->link('>>', "$class/$id_next/");
                $html.= '<br />';
                $html.= $this->html->link('edit', "$class/$id/edit/");
+               if($this->db->contains_history($class)) $html.= ' ][ '.$this->html->link('history', "$class/$id/history/");
                return $html;
        }
 
@@ -438,7 +606,6 @@ class Sklad_UI {
                        $html.=$this->render_listing_navigation($class, '*', $limit, $offset);
                }
                if($edit)       {
-                       $html.='<br />TODO UPDATE FORM!<br />';
                        $html.= $this->render_form_edit($class, $id);
                        $action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
            $html.= "<form action='$action' method='POST'>";
@@ -458,16 +625,22 @@ class Sklad_UI {
                new HTTP_Auth('SkladovejSystem', true, array($this->db->lms,'check_auth'));
        }
 
-       function post_redirect_get($location, $message='') {
-               $location = $this->html->internal_url($location).'?message='.urlencode($message);
+       function post_redirect_get($location, $message='', $error=false) {
+               $url_args = $message != '' ? '?message='.urlencode($message) : '';
+               $location = $this->html->internal_url($location).$url_args;
                header('Location: '.$location);
-               die("Location: $location");
+               if($error) trigger_error($message);
+               $location=htmlspecialchars($location);
+               die(
+                       "<meta http-equiv='refresh' content='0; url=$location'>".
+                       "Location: <a href='$location'>$location</a>"
+               );
        }
 
        function safe_include($dir,$name,$vars=array(),$ext='.inc.php') {
-               if(preg_match('/[^a-zA-Z0-9-]/',$name)) die(trigger_error('SAFE INCLUDE: Securityfuck.'));
+               if(preg_match('/[^a-zA-Z0-9-]/',$name)) $this->post_redirect_get('', 'SAFE INCLUDE: Securityfuck.', true);
                $filename="$dir/$name$ext";
-               if(!is_file($filename)) die(trigger_error('SAFE INCLUDE: Fuckfound.'));
+               if(!is_file($filename)) $this->post_redirect_get('', 'SAFE INCLUDE: Fuckfound.', true);
                foreach($vars as $var => $val) $$var=$val;
                ob_start();
                include($filename);
@@ -476,7 +649,7 @@ 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!!!!
 
@@ -498,32 +671,31 @@ class Sklad_UI {
 
                if($action) switch($action) {
                        case 'new':
+                               $replace = false;
                        case 'edit':
-                               //if(!isset($_POST['table'])) die(trigger_error("Jest nutno specifikovat tabulku voe!"));
-                               //$table=$_POST['table'];
-                               $table='item';
+                               if(!isset($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/";
-                               echo 'Hotovo. Poslední vložený záznam naleznete '.$this->html->link('zde', $last).'.<br />'.
-                                       'Další záznam přidáte '.$this->html->link('zde', $next).'.';
-                               die();
+                               $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']) die(trigger_error('Sure user expected :-)'));
-                               $this->db->delete($class, $id);
+                               if(!isset($_POST['sure']) || !$_POST['sure']) $this->post_redirect_get("$class/$id/edit", 'Sure user expected :-)');
+                               $this->db->delete($class, $id) || $this->post_redirect_get("$class/$id/edit", "V tabulce $class jentak neco mazat nebudes chlapecku :-P");
                                $this->post_redirect_get("$class", "Neco (pravdepodobne /$class/$id) bylo asi smazano. Fnuk :'-(");
                                break;
                        case 'image':
                                $image_classes = array('model'); //TODO, use this more widely across the code
-                               if(!in_array($class, $image_classes)) die(trigger_error("Nekdo nechce k DB Tride '$class' prirazovat obrazky!"));
+                               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'] == '') die(trigger_error('Kazde neco se musi nejak jmenovat!'));
+                               if($_FILES['image']['name'] == '') $this->post_redirect_get("$class/$id/edit", 'Kazde neco se musi nejak jmenovat!', true);
                                if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
                                        chmod ($image_destination, 0664);
                                        $this->post_redirect_get("$class/$id", 'Obrazek se naladoval :)');
-                               } else die(trigger_error('Soubor se nenahral :('));
+                               } else $this->post_redirect_get("$class/$id/edit", 'Soubor se nenahral :(', true);
                                break;
                        default:
                                trigger_error('Nothin\' to do here my cutie :-*');
@@ -553,7 +725,10 @@ class Sklad_UI {
                                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;
                        default:        //?
@@ -571,14 +746,16 @@ class Sklad_UI {
                                                $edit=false;
                                                switch($PATH_CHUNKS[3]) {
                                                        case 'edit':    //?/?/edit
-                                                       case 'image':   //?/image
-                                                       case 'delete':  //?/delete
+                                                       case 'image':   //?/?/image
+                                                       case 'delete':  //?/?/delete
                                                                $this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
                                                                $edit=true;
                                                        default:        //?/?/?
+                                                               $history = $PATH_CHUNKS[3] == 'history' ? true : false;
                                                                $limit  = (int) (isset($PATH_CHUNKS[3]) ? $PATH_CHUNKS[3] : '0');
                                                                $offset = (int) (isset($PATH_CHUNKS[4]) ? $PATH_CHUNKS[4] : '0');
-                                                               echo $this->render_items($class, $id, $limit, $offset, $search);
+                                                               $where = false; //TODO get from URL
+                                                               echo $this->render_items($class, $id, $limit, $offset, $where, $search, $history);
                                                                echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
                                                                //print_r(array("<pre>",$_SERVER));
                                                                break;
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