index.php

   1 <?php
   2 /*
   3  * SkladovySystem - Storage management system compatible with LMS
   4  * Copyright (C) 2011  Tomas Mudrunka
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as
   8  * published by the Free Software Foundation, either version 3 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 require_once('sklad.conf.php');
  21 set_include_path(DIR_LIB.PATH_SEPARATOR.get_include_path());
  22
  23 require_once('Sklad_Auth.class/common.php');
  24 require_once('HTTP_Auth.class.php');
  25 require_once('Locale.class.php');
  26 require_once('Barcode.class.php');
  27
  28 /**
  29 * Trida poskytuje vseobecne funkce pro generovani HTML kodu
  30 *
  31 * Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
  32 *
  33 * @package  HTML
  34 * @author   Tomas Mudrunka
  35 */
  36 class HTML {
  37         function row($row,$type=false,$class=false) {
  38                 $html = '';
  39                 $class = $class ? $class=" class='$class' " : '';
  40                 if($type) $html.="<$type>";
  41                 $html.="<tr$class>";
  42                 $td = $type == 'thead' ? 'th' : 'td';
  43                 foreach($row as $var) {
  44                         if(trim($var) == '') $var = '&nbsp;';
  45                         $html.="<$td>$var</$td>";
  46                 }
  47                 $html.='</tr>';
  48                 if($type) $html.="</$type>";
  49                 return $html;
  50         }
  51
  52         function table(&$table, $parity_class=array('tr_odd','tr_even'), $params='border=1') {
  53                 $html="<table $params>";
  54                 $header=true;
  55                 $even=false;
  56                 foreach($table as $row) {
  57                         if($header) {
  58                                 $html.=$this->row(array_keys($row),'thead');
  59                                 $header=false;
  60                         }
  61                         $class = $parity_class ? $parity_class[$even] : false;
  62                         $html.=$this->row($row,false,$class);
  63                         $even = !$even;
  64                 }
  65                 $html.='</table>';
  66                 return $html;
  67         }
  68
  69         function link($title='n/a', $link='#void', $internal=true, $translate=true) {
  70                 if($internal && (!isset($link[0]) || $link[0] != '#')) $link = $this->internal_url($link);
  71                 if($translate) $title = T($title);
  72                 return "<a href='$link'>".$title."</a>";
  73         }
  74
  75         function img($src='#void', $title='img', $options='width=64') {
  76                 $options = $options ? " $options" : '';
  77                 return "<img src='$src' alt='$title' title='$title'$options; />";
  78         }
  79
  80         function img_link($src, $link='#void', $title='img_link', $internal=true, $translate=true, $options='width=64') {
  81                 return $this->link($this->img($src,$title,$options),$link,$internal,$translate);
  82         }
  83
  84         function textarea($name=false, $value='', $placeholder=false, $options=false, $prefix='') {
  85                 $html = T($prefix)."<textarea";
  86                 if($name) $html.= " name='$name'";
  87                 if($options) $html.= " $options";
  88                 if($placeholder) $html.= " placeholder='$placeholder'";
  89                 $html .= ">$value</textarea>";
  90                 return $html;
  91         }
  92
  93         function input($name=false, $value=false, $type='text', $placeholder=false, $options=false, $prefix='') {
  94                 if($type == 'textarea') return $this->textarea($name, $value, $placeholder, $options, $prefix);
  95                 $html = T($prefix)."<input type='$type' ";
  96                 if($name) $html.= "name='$name' ";
  97                 if(!is_bool($value)) {
  98                         if($type == 'submit') $value = T($value);
  99                         $html.= "value='$value' ";
 100                 }
 101                 if($options) $html.= "$options ";
 102                 if($placeholder) $html.= "placeholder='$placeholder' ";
 103                 $html .= '/>';
 104                 return $html;
 105         }
 106
 107         function form($action=false, $method=false, $inputs, $options=false) {
 108                 $action = $action ? " action='$action'" : '';
 109                 $method = $method ? " method='$method'" : '';
 110                 $options = $options ? " $options" : '';
 111                 $html = "<form$action$method$options>";
 112                 foreach($inputs as $input) $html .= call_user_func_array(array($this,'input'), $input);
 113                 $html .= "</form>";
 114                 return $html;
 115         }
 116
 117         function select($name, $selectbox, $default=false) {
 118                 //echo('<pre>'); print_r($selectbox);
 119                 $html = "<select name='$name'>";
 120
 121                 if($default) {
 122                         $value=$default; $title=$selectbox[$value];
 123                         $html .= "<option value='$value'>$value :: $title</option>";
 124                         unset($selectbox[$value]);
 125                 }
 126                 foreach($selectbox as $value => $title) {
 127                         $html .= "<option value='$value'>$value :: $title</option>";
 128                 }
 129                 $html .= "</select>";
 130                 return $html;
 131         }
 132
 133         function ul($items,$tag=ul,$head='',$class=false) {
 134                 $class = $class ? " class='$class'" : '';
 135                 $html = "$head<$tag$class>";
 136                 foreach($items as $key => $value) {
 137                         $html .= '<li>';
 138                         if(is_numeric($key)) {
 139                                 $html .= $value;
 140                         } else {
 141                                 $html .= $this->link($key,$value);
 142                         }
 143                         $html .= '</li>';
 144                 }
 145                 $html .= "</$tag>";
 146                 return $html;
 147         }
 148
 149         function div($html, $options) {
 150                 $options = $options ? " $options" : '';
 151                 return "<div$options>$html</div>";
 152         }
 153
 154         function favicon($url='/favicon.ico') {
 155                 return '<link rel="shortcut icon" href="'.$url.'" /><link href="'.$url.'" rel="icon" type="image/gif" />';
 156
 157         }
 158
 159         function head($title=false,$charset='UTF-8',$more='') {
 160                 $title = $title ? "\n<title>$title</title>" : '';
 161                 $html= '<head>';
 162                 $html.= '<meta http-equiv="Content-Type" content="text/html; charset='.$charset.'" />'.$title.$more;
 163                 $html.= $this->favicon(dirname($_SERVER['SCRIPT_NAME']).'/favicon.ico');
 164                 $html.= '</head>';
 165                 return $html;
 166         }
 167 }
 168
 169 /**
 170 * Trida poskytuje podpurne funkce pro generovani HTML kodu specificke pro sklad
 171 *
 172 * Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
 173 *
 174 * @package  Sklad_HTML
 175 * @author   Tomas Mudrunka
 176 */
 177 class Sklad_HTML extends HTML { //TODO: Split into few more methods
 178         function header($title='', $user=array()) {
 179                 $home = URL_HOME;
 180                 $script = $_SERVER['SCRIPT_NAME'];
 181                 $search = htmlspecialchars(@trim($_GET['q']));
 182                 $message = strip_tags(@trim($_GET['message']),'<a><b><u><i><br>');
 183                 $fortune = 'test';
 184                 $instance = INSTANCE_ID != '' ? '/'.INSTANCE_ID : '';
 185                 $user_id = htmlspecialchars($user['id']);
 186                 $user_gid = htmlspecialchars($user['gid']);
 187                 $user_name = htmlspecialchars($user['name']);
 188                 $time = date('r');
 189                 //$title = T($title); //TODO
 190
 191                 $html = $this->head("SōkoMan$title");
 192                 $html .= <<<EOF
 193 <h1 style="display: inline;"><a href="$script/">SōkoMan</a><small>$instance$title</small></h1>
 194 <div style="float:right; text-align:right;">
 195         Logged in as <b>$user_name</b> [UID: <b>$user_id</b>; GID: <b>$user_gid</b>]<br />
 196         Page loaded at $time
 197 </div>
 198
 199 <style type="text/css">
 200 * { font-family: arial; }
 201 td,body { background-color: white; }
 202 table { background-color: orange; border: orange; }
 203 a, a img { text-decoration:none; color: darkblue; border:none; }
 204 li a, a:hover { text-decoration:underline; }
 205 .tr_even td { background-color: lemonchiffon; }
 206
 207 .menu li {
 208         float: left;
 209         padding: 0.2em;
 210 }
 211
 212 .menu * li {
 213         float: none;
 214 }
 215
 216 .menu * menu {
 217         position: absolute;
 218         padding: 0.2em;
 219 }
 220
 221 .menu, .menu * menu {
 222         list-style: none;
 223 }
 224
 225 .menu * menu {
 226         border: 1px solid orange;
 227         display: none;
 228         margin: 0;
 229 }
 230
 231 .menu li:hover menu, .menu li:hover {
 232         display: block;
 233         background-color: yellow;
 234 }
 235
 236 </style>
 237
 238 <div>
 239 EOF;
 240
 241         $assistants=array();
 242         foreach(scandir(DIR_ASSISTANTS) as $item) {
 243                 if($item == '.' || $item == '..') continue;
 244                 $item = preg_replace('/\.inc\.php$/','',$item,-1,$count);
 245                 if($count) $assistants[$item] = "assistant/$item";
 246         }
 247
 248         $tables=array('item','model','category','producer','vendor','room','status');
 249
 250         foreach($tables as $table) {
 251                 $listable[$table] = $table;
 252                 $insertable[$table] = "$table/new";
 253         }
 254
 255         $html .= $this->ul(array(
 256                 'Home' => '',
 257                 'Logout' => '?logout',
 258                 0 => $this->ul($assistants,'menu',$this->link('Assistants','#')),
 259                 1 => $this->ul($insertable,'menu',$this->link('New','#')),
 260                 2 => $this->ul($listable,'menu',$this->link('List','#'))
 261         ),'menu', '', 'menu');
 262
 263         $html .= '<div style="float: right;">';
 264
 265         /*
 266         //TODO: Do we really need this?
 267         $html .= $this->form("$script/api/go", 'GET', array(
 268                 array('q','','text','smart id...', 'autofocus'),
 269                 array(false,'go','submit')
 270         ), 'style="float: left;"');
 271         */
 272
 273         $html .= $this->form('?', 'GET', array(
 274                 array('q',$search,'text','regexp...'),
 275                 array(false,'filter','submit')
 276         ), 'style="float: left;"');
 277
 278         $html .= $this->form("$script/item", 'GET', array(
 279                 array('q',$search,'text','regexp...','autofocus'),
 280                 array(false,'search','submit')
 281         ), 'style="float: left;"');
 282
 283         $html .= '</div>';
 284
 285         $html .= <<<EOF
 286 </div>
 287 <hr style="clear: both;" />
 288 <div style="background-color:#FFDDDD;">
 289         <font color="red">$message</font>
 290 </div>
 291 <div style="text-align:right;">
 292 $fortune
 293 </div>
 294 EOF;
 295
 296         return $html;
 297         }
 298
 299         function internal_url($link) {
 300                 return $_SERVER['SCRIPT_NAME'].'/'.$link;
 301         }
 302
 303         function table_add_images(&$table) {
 304                 $image = array('model_id');
 305                 foreach($table as $id => $row) {
 306                         foreach($image as $column) if(isset($table[$id][$column])) {
 307                                 $type = @array_shift(preg_split('/_/', $column));
 308                                 $src=URL_IMAGES."/$type/".$table[$id][$column].'.jpg';
 309                                 $table[$id][$type.'_image']=$this->img_link($src, $src, $table[$id][$column], false, false);
 310                         }
 311                 }
 312         }
 313
 314         function render_barcode($barcode,$opts=false) {
 315                 return $this->img_link($this->internal_url("barcode/$barcode"),$this->internal_url("barcode/$barcode"),$barcode,false,false,$opts);
 316         }
 317
 318         function table_add_barcodes(&$table) {
 319                 $image = array('model_barcode', 'item_serial');
 320                 foreach($table as $id => $row) {
 321                         foreach($image as $column) if(isset($table[$id][$column])) {
 322                                 $table[$id][$column]=$this->render_barcode($table[$id][$column]);
 323                         }
 324                 }
 325         }
 326
 327         function table_add_relations(&$table, $class, $suffix_relations='_relations') {
 328                 $where_url = '%d/?where[%c]==%v';
 329                 $relations = array( //TODO: Autodetect???
 330                         'model' => array(
 331                                 'model_id' => array(array('item',$where_url),array('edit','model/%v/edit/')),
 332                                 'model_barcode' => array(array('store','assistant/%d?barcode=%v')),
 333                                 'model_name' => array(array('google','http://google.com/search?q=%v',true)) //TODO: add manufacturer to google query
 334                         ),
 335                         'item' => array(
 336                                 'item_serial' => array(array('dispose','assistant/%d?serial=%v','not_sold'),array('sell','assistant/%d?serial=%v','not_sold')),
 337                                 'item_id' => array(array('edit','item/%v/edit/'))
 338                         ),
 339                         'category'      => array('category_id' => array(array('item',$where_url), array('model',$where_url))),
 340                         'producer' => array('producer_id' => array(array('item',$where_url), array('model',$where_url))),
 341                         'vendor' => array('vendor_id' => array(array('item',$where_url))),
 342                         'room' => array('room_id' => array(array('item',$where_url))),
 343                         'status' => array('status_id' => array(array('item',$where_url)))
 344                 );
 345                 $relations_conditions=array(
 346                         //'not_sold' => function(&$table,$id,$class=false,$column=false) { return(@$table[$id]['status_id'] != 3); }
 347                         'not_sold' => 'return(@$table[$id]["status_id"] != 3);'
 348                 );
 349                 foreach($table as $id => $row) {
 350                         foreach($row as $column => $value) {
 351                                 if(isset($relations[$class][$column])) {
 352                                         foreach($relations[$class][$column] as $destination) {
 353                                                 $destination_url = str_replace(
 354                                                         array('%d','%c','%v'),
 355                                                         array(urlencode($destination[0]),urlencode($column),urlencode($value)),
 356                                                         $destination[1]
 357                                                 );
 358                                                 if(isset($destination[2]) && isset($relations_conditions[$destination[2]])) {
 359                                                         //$condition = $relations_conditions[$destination[2]]($table,$id);
 360                                                         if(!eval($relations_conditions[$destination[2]])) continue;
 361                                                 }
 362                                                 @$table[$id][$class.$suffix_relations] .= $this->link($destination[0], $destination_url, !isset($destination[2])).',';
 363                                         }
 364                                 }
 365                         }
 366                 }
 367         }
 368
 369         function table_collapse(&$table) {
 370                 $collapse = array(
 371                         'item_id' => 'item_id',
 372                         'model_id' => 'model_name',
 373                         'category_id' => 'category_name',
 374                         'producer_id' => 'producer_name',
 375                         'vendor_id' => 'vendor_name',
 376                         'room_id' => 'room_name',
 377                         'status_id' => 'status_name',
 378                         'item_author' => 'item_author_backend',
 379                         'item_customer' => 'item_customer',
 380                 );
 381
 382                 foreach($table as $id => $row) {
 383                         foreach($collapse as $link => $title)
 384                                 if(isset($table[$id][$link]) && isset($row[$title])) {
 385                                         $type = @array_shift(preg_split('/_/', $link));
 386                                         if($link != $title) unset($table[$id][$link]);
 387                                         switch($link) { //TODO: Move to array for easy configuration
 388                                                 case 'item_author':
 389                                                 case 'item_customer':
 390                                                         $table[$id][$title]=$this->link($row[$title], "?where[$link]==".$row[$link], false);
 391                                                         break;
 392                                                 default:
 393                                                         $table[$id][$title]=$this->link($row[$title], $type.'/'.$row[$link].'/');
 394                                                         break;
 395                                         }
 396                                 }
 397                 }
 398         }
 399
 400         function table_sort(&$table) {
 401                 $precedence = array('item_id', 'model_image', 'model_name','model_descript','category_name','status_name','room_name','item_quantity','item_price_in','item_price_out','model_price_in','model_price_out','item_relations','model_relations');
 402                 $table_sorted = array();
 403                 foreach($table as $id => $row) {
 404                         $table_sorted[$id] = array();
 405                         foreach($precedence as $column) if(isset($table[$id][$column])) {
 406                                 $table_sorted[$id][T($column)]=$table[$id][$column];
 407                                 unset($table[$id][$column]);
 408                         }
 409                         //$table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
 410                         foreach($table[$id] as $key => $val) $table_sorted[$id][T($key)] = $val; //array_merge with T() translating
 411                 }
 412                 $table = $table_sorted;
 413         }
 414
 415         function table_hide_columns(&$table, $class) { //TODO: Move to build_query_select() !!! :-)))
 416                 $fields_hide = array(
 417                         'item' => array('model_descript','model_price_in','model_price_out','model_barcode','model_countable','model_reserve','model_eshop_hide','room_descript','room_author','producer_name','producer_note','vendor_note')
 418                 );
 419                 //print_r($table); die();
 420                 if(isset($fields_hide[$class])) foreach($table as $id => $row) {
 421                         foreach($fields_hide[$class] as $field) unset($table[$id][$field]);
 422                 }
 423         }
 424
 425         function render_item_table($table,$class=false) {
 426                 if(empty($table)) return '<h3>'.T('holy primordial emptiness is all you can find here...').'</h3><br />';
 427                 $this->table_add_images($table);
 428                 if($class) $this->table_add_relations($table,$class);
 429                 $this->table_add_barcodes($table);
 430                 $this->table_collapse($table);
 431                 if($class) $this->table_hide_columns($table,$class);
 432                 $this->table_sort($table);
 433                 return $this->table($table);
 434         }
 435
 436         function render_insert_inputs($class,$columns,$selectbox,$current,$hidecols,$update) {
 437                 $textarea = array(
 438                         'item' => array('item_note'),
 439                         'model' => array('model_descript')
 440                 );
 441                 $html = '';
 442                 foreach($columns as $column)    {
 443                         $html.=T($class).':<b>'.T($column['Field']).'</b>: ';
 444                         $name="values[$class][".$column['Field'].'][]';
 445                         $val = $update && isset($current[$column['Field']]) ? $current[$column['Field']] : false;
 446                         switch(true) {
 447                                 case (preg_match('/auto_increment/', $column['Extra']) || in_array($column['Field'], $hidecols)):
 448                                         if(!$val) $val = '';
 449                                         $html.=$this->input($name, $val, 'hidden');
 450                                         $html.=$val.'(AUTO)';
 451                                         break;
 452                                 case isset($selectbox[$column['Field']]):
 453                                         $html.=$this->select($name,$selectbox[$column['Field']],$val);
 454                                         break;
 455                                 case isset($textarea[$class]) && in_array($column['Field'],$textarea[$class]):
 456                                         $html.=$this->input($name, $val, 'textarea');
 457                                         break;
 458                                 default:
 459                                         $html.=$this->input($name, $val);
 460                                         break;
 461                         }
 462                         $html.='<br />';
 463                 }
 464                 return $html;
 465         }
 466
 467         function render_insert_form_multi($array) {
 468                 $html = '';
 469                 $head=false;
 470
 471                 foreach($array as $key => $args) {
 472                         $parts=array('inputs');
 473                         if(!$head) { $head = true;
 474                                 $parts[]='head';
 475                         }
 476                         if(!isset($array[$key+1])) {
 477                                 $parts[]='foot';
 478                                 $hr = '';
 479                         } else $hr = '<hr />';
 480                         //$args[] = false;
 481                         $args[] = $parts;
 482
 483                         $html .= call_user_func_array(array($this, 'render_insert_form'), $args);
 484                         $html .= $hr;
 485                 }
 486                 return $html;
 487         }
 488
 489         function render_insert_form($class, $columns, $selectbox=array(), $current=false, $hidecols=false, $action=false, $multi_insert=true, $parts=false) {
 490                 $html = '';
 491                 //print_r($parts);
 492                 //echo('<pre>'); print_r($selectbox);
 493                 //echo('<pre>'); print_r($current);
 494                 $update = false;
 495                 if(is_array($current)) {
 496                         $update = true;
 497                         $current = array_shift($current);
 498                 }
 499
 500                 if(!is_array($hidecols)) $hidecols = array();
 501                 $hidecols = array_merge($hidecols, array('item_author', 'item_valid_from', 'item_valid_till')); //TODO Autodetect
 502
 503                 if(!is_array($parts) || in_array('head', $parts)) {
 504                         $action = $action ? " action='$action'" : false;
 505                         $html.="<form$action method='POST'>"; //TODO: use $this->form()
 506                         $html.='<span><div name="input_set" style="float:left; border:1px solid grey; padding: 1px; margin: 1px;">';
 507                 }
 508
 509                 if(!is_array($parts) || in_array('inputs', $parts))
 510                         $html.=$this->render_insert_inputs($class,$columns,$selectbox,$current,$hidecols,$update);
 511
 512                 if(!is_array($parts) || in_array('foot', $parts)) {
 513                         $html .= '</div></span><br style="clear:both" />';
 514                         if($multi_insert) { //TODO, move to separate JS file
 515                                 $html.=<<<EOF
 516                                 <script>
 517                                         function duplicate_element(what, where) {
 518                                                 var node = document.getElementsByName(what)[0];
 519                                                 node.parentNode.appendChild(node.cloneNode(true));
 520                                         }
 521                                 </script>
 522                                 <a href='#' onClick="duplicate_element('input_set')">+</a>
 523 EOF;
 524                         }
 525
 526                         $btn = is_array($current) ? 'UPDATE' : 'INSERT'; //TODO: $current may be set even when inserting...
 527                         $html.=$this->input(false, $btn, 'submit');
 528                         $html.='</form>';
 529                 }
 530                 return $html;
 531         }
 532 }
 533
 534 /**
 535 * Trida poskytuje rozhrani k databazi skladu
 536 *
 537 * @package  Sklad_DB
 538 * @author   Tomas Mudrunka
 539 */
 540 class Sklad_DB extends PDO {
 541         function __construct() {
 542                 $this->auth = new Sklad_Auth();
 543
 544                 parent::__construct(
 545                         DB_DSN, DB_USER, DB_PASS,
 546                         array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8") //Force UTF8 for MySQL
 547                 );
 548         }
 549
 550         function escape($str) {
 551                 return preg_replace('(^.|.$)', '', $this->quote($str)); //TODO HACK
 552         }
 553
 554         function quote_identifier($str) {
 555                 return '`'.$this->escape($str).'`'; //TODO HACK
 556         }
 557
 558         function build_query_select($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $order=false, $suffix_id='_id') {
 559                 //Configuration
 560                 $join = array(
 561                         'item'  => array('model', 'category', 'producer', 'vendor', 'room', 'status'),
 562                         'model' => array('category', 'producer')
 563                 ); //TODO Autodetect using foreign keys?
 564                 $fields_search = array(
 565                         'item'  => array('item_id','item_serial','model_name','model_barcode','model_descript','producer_name','vendor_name'),
 566                         'model' => array('model_id','model_name','model_barcode','model_descript','producer_name')
 567                 ); //TODO Autodetect
 568
 569                 //Init
 570                 if(is_array($where)) foreach($where as $key => $value) $where[$key] = $key.' '.$value; //TODO: escape SQLi!!!
 571
 572                 //Escaping
 573                 $class = $this->escape($class);
 574
 575                 //SELECT
 576                 $sql="SELECT * FROM `$class`\n";
 577                 //JOIN
 578                 if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN `$j` USING($j$suffix_id)\n";
 579                 //WHERE/REGEXP
 580                 if($search) {
 581                         $search = $this->quote($search);
 582                         if(!isset($fields_search[$class])) die(trigger_error(T("Can't search in $class table yet :-("))); //TODO: post_redirect_get
 583                         $sql_search = '';
 584                         foreach($fields_search[$class] as $column) $sql_search .= "OR $column REGEXP $search ";
 585                         $where[] = "FALSE $sql_search";
 586                 }       elseif($id) $where[] = "$class$suffix_id = $id";
 587                 if(!$history && $this->contains_history($class)) $where[] = $class.'_valid_till=0';
 588
 589                 if($where) $sql .= 'WHERE ('.implode(') AND (', $where).")\n";
 590                 //ORDER
 591                 if(!$order) $order = $class.$suffix_id.' DESC';
 592                 if($this->contains_history($class)) $order .= ",${class}_valid_from DESC";
 593                 $sql .= "ORDER BY $order\n";
 594                 //LIMIT/OFFSET
 595                 if($limit) {
 596                         $limit = $this->escape((int)$limit);
 597                         $offset = $this->escape((int)$offset);
 598                         $sql .= "LIMIT $offset,$limit\n";
 599                 }
 600
 601                 return $sql;
 602         }
 603
 604         function safe_query($sql, $fatal=true) {
 605                 $result = $this->query($sql);
 606                 if(!$result) {
 607                         $error = $this->errorInfo();
 608                         trigger_error("<font color=red><b>QUERY FAILED ($error[0],$error[1]): </b>$error[2]<br /><br /><b>QUERY:</b>\n<pre>$sql</pre></font>");
 609                         if($fatal) die();
 610                 }
 611                 return $result;
 612         }
 613
 614         function translate_query_results(&$result) {
 615                 $translate_cols = array('status_name', 'item_valid_till'); //TODO: Hardcoded
 616                 foreach($result as $key => $row) {
 617                         foreach($translate_cols as $col) if(isset($result[$key][$col])){
 618                                 $result[$key][$col] = T($result[$key][$col]);
 619                         }
 620                 }
 621         }
 622
 623         function load_backend_data_to_query_results(&$result,$suffix_backend='_backend') {
 624                 $translate_cols = array(
 625                         'item_author' => 'return($this->auth->get_username_by_id($result[$key][$col]));'
 626                 ); //TODO: Hardcoded
 627                 foreach($result as $key => $row) {
 628                         foreach($translate_cols as $col => $backend) if(isset($result[$key][$col])){
 629                                 $result[$key][$col.$suffix_backend] = eval($backend);
 630                         }
 631                 }
 632         }
 633
 634         function safe_query_fetch($sql, $fatal=true, $fetch_flags = PDO::FETCH_ASSOC, $translate=true) {
 635                 $result = $this->safe_query($sql, $fatal)->fetchAll($fetch_flags);
 636                 $this->load_backend_data_to_query_results($result);
 637                 if($translate) $this->translate_query_results($result);
 638                 return $result;
 639         }
 640
 641
 642         function get_listing($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $indexed=array(), $suffix_id='_id') {
 643                 $sql = $this->build_query_select($class, $id, $limit, $offset, $where, $search, $history);
 644                 $result = $this->safe_query_fetch($sql);
 645                 if(!$result || !is_array($indexed)) return $result;
 646
 647                 foreach($result as $key => $row) $indexed[$row[$class.$suffix_id]]=$row;
 648                 return $indexed;
 649         }
 650
 651         function get_columns($class,$disable_cols=array()) { //TODO: Not sure if compatible with non-MySQL DBs
 652                 $class = $this->escape($class);
 653                 $sql = "SHOW COLUMNS FROM $class;";
 654                 $columns = $this->safe_query_fetch($sql);
 655                 /*foreach($columns as $colk => $col) foreach($col as $key => $val) {
 656                         if(in_array($col['Field'],$disable_cols)) $columns[$colk]['Extra']='auto_increment';
 657                 }*/
 658                 return $columns;
 659         }
 660
 661         function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
 662                 $selectbox=array( //TODO: Hardcoded...
 663                         'model_countable' => array(0 => 'no', 1 => 'yes'),
 664                         'model_eshop_hide' => array(0 => 'no', 1 => 'yes'),
 665                         'vendor_id' => array('COMPULSORY' => 'select...')
 666                 );
 667                 foreach($columns as $column) {
 668                         if($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)!
 669                         if($class && $column['Field'] == $class.$suffix_id) continue;
 670                         if(!preg_match('/'.$suffix_id.'$/', $column['Field'])) continue;
 671                         $table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
 672
 673                         $history = $this->contains_history($table) ? " WHERE ${table}_valid_till=0" : '';
 674                         $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table$history;"; //TODO use build_query_select()!!!
 675                         $result = $this->safe_query_fetch($sql, false);
 676                         if(!$result) continue;
 677                         foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
 678                 }
 679                 //echo('<pre>'); print_r($selectbox);
 680                 return array_filter($selectbox, 'ksort');
 681         }
 682
 683         function map_unique($key, $value, $select, $table, $fatal=true) { //TODO: Guess $select and $table if not passed
 684                 $history = $this->contains_history($table) ? " AND ${table}_valid_till=0" : '';
 685                 $value=$this->quote($value);
 686                 $sql = "SELECT $select FROM $table WHERE $key=$value$history LIMIT 1;"; //TODO use build_query_select()!!!
 687                 $result = $this->safe_query_fetch($sql);
 688                 if(isset($result[0][$select])) return $result[0][$select]; else if($fatal) die(trigger_error(T('Record not found!'))); //TODO post_redirect_get...
 689         }
 690
 691         function contains_history($table) {
 692                 $history_tables = array('item'); //TODO Autodetect
 693                 return in_array($table, $history_tables);
 694         }
 695
 696         function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
 697                 //Init
 698                 $history = $this->contains_history($table);
 699
 700                 //Escaping
 701                 $table = $this->escape($table);
 702
 703                 //Get list of POSTed columns
 704                 $columns_array = array_map(array($this,'escape'), array_keys($values[0]));
 705                 $columns = implode(',',$columns_array);
 706
 707                 //Build query
 708                 $sql = '';
 709                 //echo('<pre>'); die(print_r($values));
 710
 711                 if($history) {
 712                         $history_update=false;  foreach($values as $row) if(is_numeric($row[$table.'_id'])) $history_update=true;
 713                         if($history_update) {
 714                                 $sql .= "UPDATE $table";
 715                                 $sql .= " SET ${table}_valid_till=NOW()";
 716                                 $sql .= " WHERE ${table}_valid_till=0 AND (";
 717                                 $or = '';
 718                                 foreach($values as $row) {
 719                                         $sql .= $or.' '.$table.'_id='.$this->quote($row[$table.'_id']);
 720                                         $or = ' OR';
 721                                 }
 722                                 $sql .= " );\n\n";
 723                                 $replace = false;
 724                         }
 725                 }
 726
 727                 //Insert into table (columns)
 728                 $sql .= "INSERT INTO $table ($columns) VALUES ";
 729
 730                 //Values (a,b,c),(d,e,f)
 731                 $comma='';
 732                 foreach($values as $row) {
 733                         $row_quoted = array_map(array($this,'quote'), $row); //Check
 734                         if($history) {
 735                                 foreach($row as $column => $value) {
 736                                         switch($column) {
 737                                                 case $table.'_valid_from':
 738                                                         $row_quoted[$column] = 'NOW()';
 739                                                         break;
 740                                                 case $table.'_valid_till':
 741                                                         $row_quoted[$column] = '0';
 742                                                         break;
 743                                                 case $table.'_author':
 744                                                         $row_quoted[$column] = $this->auth->get_user_id();
 745                                                         //die($this->auth->get_user_id().'=USER');
 746                                                         break;
 747                                         }
 748                                 }
 749                         }
 750                         $sql .= $comma.'('.implode(',',$row_quoted).')';
 751                         $comma = ',';
 752                 }
 753
 754                 //On duplicate key
 755                 if($replace) {
 756                         foreach($columns_array as $col) {
 757                                 if($col == $table.'_id' || $col == $table.'_valid_till') continue;
 758                                 $on_duplicate[] = "$col=VALUES($col)";
 759                         }
 760                         $sql .= "\nON DUPLICATE KEY UPDATE ".implode(',', $on_duplicate);
 761                 }
 762
 763                 //Terminate
 764                 $sql .= ';';
 765                 return $sql;
 766         }
 767
 768         function insert_or_update($table, $values, $replace=true) {
 769                 $sql = $this->build_query_insert($table, $values, $replace);
 770                 $this->safe_query($sql);
 771                 return $this->lastInsertId();
 772         }
 773
 774         function insert_or_update_multitab($values, $replace=true) {
 775                 $last=false;
 776                 foreach($values as $table => $rows) $last = $this->insert_or_update($table, $rows, $replace);
 777                 return $last;
 778         }
 779
 780         function delete($table, $id, $suffix_id='_id') {
 781                 if($this->contains_history($table)) return false;
 782                 $key = $this->escape($table.$suffix_id);
 783                 $table = $this->escape($table);
 784                 $id = $this->quote($id);
 785                 return $this->safe_query("DELETE FROM $table WHERE $key = $id LIMIT 1;");
 786         }
 787 }
 788
 789 /**
 790 * Trida poskytuje high-level rozhrani k databazi skladu
 791 *
 792 * @package  Sklad_DB_Abstract
 793 * @author   Tomas Mudrunka
 794 */
 795 class Sklad_DB_Abstract extends Sklad_DB {
 796         //TODO Code
 797 }
 798
 799 /**
 800 * Trida implementuje uzivatelske rozhrani skladu
 801 *
 802 * Example usage:
 803 * $sklad = new Sklad_UI();
 804 * $sklad->process_http_request();
 805 *
 806 * @package  Sklad_UI
 807 * @author   Tomas Mudrunka
 808 */
 809 class Sklad_UI {
 810         function __construct() {
 811                 $this->db = new Sklad_DB();
 812                 $this->html = new Sklad_HTML();
 813         }
 814
 815         function render_items($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false) {
 816                 return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $where, $search, $history, false),$class);
 817         }
 818
 819         function render_form_add($class) {
 820                 $columns = $this->db->get_columns($class);
 821                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 822                 return $this->html->render_insert_form($class, $columns, $selectbox);
 823         }
 824
 825         function render_form_edit($class, $id, $multi_insert) {
 826                 $columns = $this->db->get_columns($class);
 827                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 828                 $current = $this->db->get_listing($class, $id, 1);
 829                 return $this->html->render_insert_form($class, $columns, $selectbox, $current, false, false, $multi_insert);
 830         }
 831
 832         function render_single_record_details($class, $id) {
 833                 $id_next = $id + 1;
 834                 $id_prev = $id - 1 > 0 ? $id - 1 : 0;
 835                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 836                 $html='';
 837                 $html.= $this->html->link('<<', "$class/$id_prev/");
 838                 $html.= '-';
 839                 $html.= $this->html->link('>>', "$class/$id_next/");
 840                 $html.= '<br />';
 841                 $html.='<span style="float:right;">'.$this->html->render_barcode(BARCODE_PREFIX.strtoupper("$class/$id")).'</span>';
 842                 $html.= $this->html->link('edit', "$class/$id/edit/");
 843                 if($this->db->contains_history($class)) $html.= ' ][ '.$this->html->link('history', "$class/$id/history/");
 844                 return $html;
 845         }
 846
 847         function render_listing_navigation($class, $id, $limit, $offset) {
 848                 $offset_next = $offset + $limit;
 849                 $offset_prev = $offset - $limit > 0 ? $offset - $limit : 0;
 850                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 851                 $html='';
 852                 $html.= $this->html->link('<<', "$class/$id/$limit/$offset_prev/$get");
 853                 $html.= '-';
 854                 $html.= $this->html->link('>>', "$class/$id/$limit/$offset_next/$get");
 855                 $html.= '<br />';
 856                 $html.= $this->html->link('new', "$class/new/$get");
 857                 return $html;
 858         }
 859
 860         function render_listing_extensions($class, $id, $limit, $offset, $edit=false) {
 861                 $html='';
 862                 if(is_numeric($id)) {
 863                         $html.=$this->render_single_record_details($class, $id);
 864                 } else {
 865                         $html.=$this->render_listing_navigation($class, '*', $limit, $offset);
 866                 }
 867                 if($edit)       {
 868                         $html.= $this->render_form_edit($class, $id, false);
 869                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
 870                         $html.=$this->html->form($action,'POST',array(
 871                                 array(false,'DELETE','submit'),
 872                                 array('sure', false, 'checkbox', false, false, 'sure?')
 873                         ));
 874                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/image";
 875                         $html.=$this->html->form($action,'POST',array(
 876                                 array('image', false, 'file', false, 'size="30"'),
 877                                 array(false, 'IMAGE', 'submit')
 878                         ), "enctype='multipart/form-data'");
 879                 }
 880                 return $html;
 881         }
 882
 883         function check_auth() {
 884                 new HTTP_Auth('WareHouse ['.BACKEND_AUTH.']', true, array($this->db->auth,'check_auth'));
 885         }
 886
 887         function post_redirect_get($location, $message='', $error=false, $translate=true) {
 888                 $messaget = $translate ? T($message) : $message;
 889                 $url_args = $messaget != '' ? '?message='.urlencode($messaget) : '';
 890                 $location = $this->html->internal_url($location).$url_args;
 891                 header('Location: '.$location);
 892                 if($error) trigger_error($message);
 893                 $location=htmlspecialchars($location);
 894                 die(
 895                         "<meta http-equiv='refresh' content='0; url=$location'>".
 896                         $messaget."<br />Location: <a href='$location'>$location</a>"
 897                 );
 898         }
 899
 900         function safe_include($dir,$name,$vars=array(),$ext='.inc.php') {
 901                 if(preg_match('/[^a-zA-Z0-9-]/',$name)) $this->post_redirect_get('', 'SAFE INCLUDE: Securityfuck.', true);
 902                 $filename="$dir/$name$ext";
 903                 if(!is_file($filename)) $this->post_redirect_get('', 'SAFE INCLUDE: Fuckfound.', true);
 904                 foreach($vars as $var => $val) $$var=$val;
 905                 ob_start();
 906                 include($filename);
 907                 $out=ob_get_contents();
 908                 ob_end_clean();
 909                 return $out;
 910         }
 911
 912         function check_input_validity($field, $value='', $ruleset=0) {
 913                 $rules = array(0 => array(
 914                         'model_barcode' => '/./',
 915                         'item_serial' => '/./',
 916                         'vendor_id' => '/^[0-9]*$/'
 917                 ));
 918                 if(isset($rules[$ruleset][$field]) && !preg_match($rules[$ruleset][$field], trim($value))) return false;
 919                 return true;
 920         }
 921
 922         function process_http_request_post($action=false, $class=false, $id=false, $force_redirect=false) {
 923                 if($_SERVER['REQUEST_METHOD'] != 'POST') return;
 924                 //echo('<pre>'); //DEBUG (maybe todo remove), HEADERS ALREADY SENT!!!!
 925
 926                 //SephirPOST:
 927
 928                 /* Tenhle foreach() prekopiruje promenne
 929                  * z:           $_POST['values'][$table][$column][$id];
 930                  * do:  $values[$table][$id][$column]
 931                  */
 932                 if(isset($_POST['values'])) {
 933                         $values=array();
 934                         foreach($_POST['values'] as $table => $columns) {
 935                                 foreach($columns as $column => $ids) {
 936                                         foreach($ids as $id => $val) {
 937                                                 $values[$table][$id][$column] = trim($val);
 938                                                 if(!$this->check_input_validity($column,$val)) {
 939                                                         $message = "Spatny vstup: $column [$id] = \"$val\"; ". //XSS
 940                                                                 $this->html->link('GO BACK', 'javascript:history.back()', false, false);
 941                                 $this->post_redirect_get('', $message, false, false);
 942                                                 }
 943                                         }
 944                                 }
 945                         }
 946                         //die(print_r($values));
 947                 }
 948
 949                 if($action) switch($action) {
 950                         case 'new':
 951                                 $replace = false;
 952                         case 'edit':
 953                                 if(!isset($replace)) $replace = true;
 954                                 $table = $class ? $class : 'item';
 955                                 //print_r($values); //debug
 956                                 $last = $this->db->insert_or_update_multitab($values, $replace);
 957                                 $last = $force_redirect ? $force_redirect."?last=$last" : "$table/$last/";
 958                                 $next = "$table/new/";
 959                                 $message = $force_redirect ? '' : 'Hotovo. Další záznam přidáte '.$this->html->link('zde', $next).'.';
 960                                 $this->post_redirect_get($last, $message);
 961                                 break;
 962                         case 'delete':
 963                                 if(!isset($_POST['sure']) || !$_POST['sure']) $this->post_redirect_get("$class/$id/edit", 'Sure user expected :-)');
 964                                 $this->db->delete($class, $id) || $this->post_redirect_get("$class/$id/edit", "V tabulce $class jentak neco mazat nebudes chlapecku :-P");
 965                                 $this->post_redirect_get("$class", "Neco (pravdepodobne /$class/$id) bylo asi smazano. Fnuk :'-(");
 966                                 break;
 967                         case 'image':
 968                                 $image_classes = array('model'); //TODO, use this more widely across the code
 969                                 if(!in_array($class, $image_classes)) $this->post_redirect_get("$class/$id/edit", "Nekdo nechce k DB Tride '$class' prirazovat obrazky!");
 970                                 $image_destination = DIR_IMAGES."/$class/$id.jpg";
 971                                 if($_FILES['image']['name'] == '') $this->post_redirect_get("$class/$id/edit", 'Everything has to be called somehow!', true);
 972                                 if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
 973                                         chmod ($image_destination, 0664);
 974                                         $this->post_redirect_get("$class/$id", 'Image has been upbloated successfully :)');
 975                                 } else $this->post_redirect_get("$class/$id/edit", 'File upload failed :(', true);
 976                                 break;
 977                         default:
 978                                 $this->post_redirect_get('', 'Nothin\' to do here my cutie :-*');
 979                                 break;
 980                 }
 981
 982                 die('POSTed pyčo!');
 983         }
 984
 985         function process_http_request() {
 986                 $this->check_auth();
 987
 988                 @ini_set('magic_quotes_gpc' , 'off');
 989                 if(get_magic_quotes_gpc()) {
 990                         die(trigger_error("Error: magic_quotes_gpc needs to be disabled! F00K!"));
 991                 }
 992
 993                 $PATH_INFO=@trim($_SERVER[PATH_INFO]);
 994                 if($PATH_INFO == '' || $PATH_INFO == '/') $PATH_INFO = FRONTEND_PAGE_WELCOME;
 995                 $PATH_CHUNKS = preg_split('/\//', $PATH_INFO);
 996                 //Sephirot:
 997                 if(!isset($PATH_CHUNKS[1])) $PATH_CHUNKS[1]='';
 998                 if($_SERVER['REQUEST_METHOD'] != 'POST' && $PATH_CHUNKS[1]!='barcode' && $PATH_CHUNKS[1]!='api') //TODO: tyhle podminky naznacujou, ze je v navrhu nejaka drobna nedomyslenost...
 999                         echo $this->html->header($PATH_INFO,$this->db->auth->get_user());
1000                 switch($PATH_CHUNKS[1]) { //TODO: Move some branches to plugins if possible
1001                         case 'test':    //test
1002                                 die('Tell me why you cry');
1003                                 break;
1004                         case 'assistant': case 'api': //assistant|api
1005                                 $incdirs = array(
1006                                         'assistant'     => DIR_ASSISTANTS,
1007                                         'api'   => DIR_APIS
1008                                 );
1009                                 $PATH_CHUNKS[3] = isset($PATH_CHUNKS[3]) ? trim($PATH_CHUNKS[3]) : false;
1010                                 $assistant_vars['SUBPATH'] = array_slice($PATH_CHUNKS, 3);
1011                                 $assistant_vars['URL_INTERNAL'] = 'assistant/'.$PATH_CHUNKS[2];
1012                                 $assistant_vars['URL'] = $_SERVER['SCRIPT_NAME'].'/'.$assistant_vars['URL_INTERNAL'];
1013                                 $assistant_vars['ASSISTANT'] = $PATH_CHUNKS[2];
1014                                 echo $this->safe_include($incdirs[$PATH_CHUNKS[1]],$PATH_CHUNKS[2],$assistant_vars);
1015                                 break;
1016                         case 'barcode': //barcode
1017                                 Barcode::download_barcode(implode('/',array_slice($PATH_CHUNKS, 2)));
1018                                 break;
1019                         default:        //?
1020                                 $search = (isset($_GET['q']) && trim($_GET['q']) != '') ? trim($_GET['q']) : false;
1021                                 $class  = (isset($PATH_CHUNKS[1]) && $PATH_CHUNKS[1] != '') ? $PATH_CHUNKS[1] : 'item';
1022                                 if(!isset($PATH_CHUNKS[2])) $PATH_CHUNKS[2]='';
1023                                 switch($PATH_CHUNKS[2]) {
1024                                         case 'new':     //?/new
1025                                                 $this->process_http_request_post($PATH_CHUNKS[2], $class);
1026                                                 echo $this->render_form_add($class);
1027                                                 break;
1028                                         default:        //?/?
1029                                                 $id     = (isset($PATH_CHUNKS[2]) && is_numeric($PATH_CHUNKS[2]) ? (int) $PATH_CHUNKS[2] : false);
1030                                                 if(!isset($PATH_CHUNKS[3])) $PATH_CHUNKS[3]='';
1031                                                 $edit=false;
1032                                                 switch($PATH_CHUNKS[3]) {
1033                                                         case 'edit':    //?/?/edit
1034                                                         case 'image':   //?/?/image
1035                                                         case 'delete':  //?/?/delete
1036                                                                 $this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
1037                                                                 $edit=true;
1038                                                         default:        //?/?/?
1039                                                                 $history = $PATH_CHUNKS[3] == 'history' ? true : false;
1040                                                                 $limit  = is_numeric($PATH_CHUNKS[3]) ? (int) $PATH_CHUNKS[3] : FRONTEND_LISTING_LIMIT;
1041                                                                 $offset = isset($PATH_CHUNKS[4]) ? (int) $PATH_CHUNKS[4] : 0;
1042                                                                 $where = @is_array($_GET['where']) ? $_GET['where'] : false;
1043                                                                 echo $this->render_items($class, $id, $limit, $offset, $where, $search, $history);
1044                                                                 echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
1045                                                                 //print_r(array("<pre>",$_SERVER));
1046                                                                 break;
1047                                                 }
1048                                                 break;
1049                                 }
1050                                 break;
1051                 }
1052         }
1053 }
1054
1055 $sklad = new Sklad_UI();
1056 $sklad->process_http_request();
1057
1058 echo('<br style="clear:both;" /><hr />');