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