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>');
 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                         ),
 301                         'item' => array(
 302                                 'item_serial' => array(array('dispose','assistant/%d?serial=%v'),array('sell','assistant/%d?serial=%v'))
 303                         ),
 304                         'category' => array('category_id' => array(array('item',$where_url))),
 305                         'producer' => array('producer_id' => array(array('item',$where_url))),
 306                         'vendor' => array('vendor_id' => array(array('item',$where_url))),
 307                         'room' => array('room_id' => array(array('item',$where_url))),
 308                         'status' => array('status_id' => array(array('item',$where_url)))
 309                 );
 310                 foreach($table as $id => $row) {
 311                         foreach($row as $column => $value) {
 312                                 if(isset($relations[$class][$column])) {
 313                                         foreach($relations[$class][$column] as $destination) {
 314                                                 $destination_url = str_replace(
 315                                                         array('%d','%c','%v'),
 316                                                         array($destination[0],$column,$value),
 317                                                         $destination[1]
 318                                                 );
 319                                                 @$table[$id][$class.$suffix_relations] .= $this->link($destination[0], $destination_url).',';
 320                                         }
 321                                 }
 322                         }
 323                 }
 324         }
 325
 326         function table_collapse(&$table) {
 327                 $collapse = array(
 328                         'item_id' => 'item_id',
 329                         'model_id' => 'model_name',
 330                         'category_id' => 'category_name',
 331                         'producer_id' => 'producer_name',
 332                         'vendor_id' => 'vendor_name',
 333                         'room_id' => 'room_name',
 334                         'status_id' => 'status_name',
 335                 );
 336                 foreach($table as $id => $row) {
 337                         foreach($collapse as $link => $title)
 338                                 if(isset($table[$id][$link]) && isset($row[$title])) {
 339                                         $type = @array_shift(preg_split('/_/', $link));
 340                                         if($link != $title) unset($table[$id][$link]);
 341                                         $table[$id][$title]=$this->link($row[$title], $type.'/'.$row[$link].'/');
 342                                 }
 343                 }
 344         }
 345
 346         function table_sort(&$table) {
 347                 $precedence = array('item_id', 'model_image', 'model_name','model_descript','category_name','status_name','room_name');
 348                 $table_sorted = array();
 349                 foreach($table as $id => $row) {
 350                         $table_sorted[$id] = array();
 351                         foreach($precedence as $column) if(isset($table[$id][$column])) {
 352                                 $table_sorted[$id][T($column)]=$table[$id][$column];
 353                                 unset($table[$id][$column]);
 354                         }
 355                         //$table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
 356                         foreach($table[$id] as $key => $val) $table_sorted[$id][T($key)] = $val; //array_merge with T() translating
 357                 }
 358                 $table = $table_sorted;
 359         }
 360
 361         function render_item_table($table,$class=false) {
 362                 $this->table_add_images($table);
 363                 if($class) $this->table_add_relations($table,$class);
 364                 $this->table_add_barcodes($table);
 365                 $this->table_collapse($table);
 366                 $this->table_sort($table);
 367                 return $this->table($table);
 368         }
 369
 370         function render_insert_inputs($class,$columns,$selectbox,$current,$hidecols,$update) {
 371                 $html = '';
 372                 foreach($columns as $column)    {
 373                         $html.=T($class).':<b>'.T($column['Field']).'</b>: ';
 374                         $name="values[$class][".$column['Field'].'][]';
 375                         $val = $update && isset($current[$column['Field']]) ? $current[$column['Field']] : false;
 376                         switch(true) {
 377                                 case (preg_match('/auto_increment/', $column['Extra']) || in_array($column['Field'], $hidecols)):
 378                                         if(!$val) $val = '';
 379                                         $html.=$this->input($name, $val, 'hidden');
 380                                         $html.=$val.'(AUTO)';
 381                                         break;
 382                                 case isset($selectbox[$column['Field']]):
 383                                         $html.=$this->select($name,$selectbox[$column['Field']],$val);
 384                                         break;
 385                                 default:
 386                                         $html.=$this->input($name, $val);
 387                                         break;
 388                         }
 389                         $html.='<br />';
 390                 }
 391                 return $html;
 392         }
 393
 394         function render_insert_form_multi($array) {
 395                 $html = '';
 396                 $head=false;
 397
 398                 foreach($array as $key => $args) {
 399                         $parts=array('inputs');
 400                         if(!$head) { $head = true;
 401                                 $parts[]='head';
 402                         }
 403                         if(!isset($array[$key+1])) {
 404                                 $parts[]='foot';
 405                                 $hr = '';
 406                         } else $hr = '<hr />';
 407                         //$args[] = false;
 408                         $args[] = $parts;
 409                         $html .= call_user_func_array(array($this, 'render_insert_form'), $args);
 410                         $html .= $hr;
 411                 }
 412                 return $html;
 413         }
 414
 415         function render_insert_form($class, $columns, $selectbox=array(), $current=false, $hidecols=false, $action=false, $multi_insert=true, $parts=false) {
 416                 $html = '';
 417                 //print_r($parts);
 418                 //echo('<pre>'); print_r($selectbox);
 419                 //echo('<pre>'); print_r($current);
 420                 $update = false;
 421                 if(is_array($current)) {
 422                         $update = true;
 423                         $current = array_shift($current);
 424                 }
 425
 426                 if(!is_array($hidecols)) $hidecols = array();
 427                 $hidecols = array_merge($hidecols, array('item_author', 'item_valid_from', 'item_valid_till')); //TODO Autodetect
 428
 429                 if(!is_array($parts) || in_array('head', $parts)) {
 430                         $action = $action ? " action='$action'" : false;
 431                         $html.="<form$action method='POST'>"; //TODO: use $this->form()
 432                         $html.='<span><div name="input_set" style="float:left; border:1px solid grey; padding: 1px; margin: 1px;">';
 433                 }
 434
 435                 if(!is_array($parts) || in_array('inputs', $parts))
 436                         $html.=$this->render_insert_inputs($class,$columns,$selectbox,$current,$hidecols,$update);
 437
 438                 if(!is_array($parts) || in_array('foot', $parts)) {
 439                         $html .= '</div></span><br style="clear:both" />';
 440                         if($multi_insert) { //TODO, move to separate JS file
 441                                 $html.=<<<EOF
 442                                 <script>
 443                                         function duplicate_element(what, where) {
 444                                                 var node = document.getElementsByName(what)[0];
 445                                                 node.parentNode.appendChild(node.cloneNode(true));
 446                                         }
 447                                 </script>
 448                                 <a href='#' onClick="duplicate_element('input_set')">+</a>
 449 EOF;
 450                         }
 451
 452                         $btn = is_array($current) ? 'UPDATE' : 'INSERT'; //TODO: $current may be set even when inserting...
 453                         $html.=$this->input(false, $btn, 'submit');
 454                         $html.='</form>';
 455                 }
 456                 return $html;
 457         }
 458 }
 459
 460 /**
 461 * Trida poskytuje rozhrani k databazi skladu
 462 *
 463 * @package  Sklad_DB
 464 * @author   Tomas Mudrunka
 465 */
 466 class Sklad_DB extends PDO {
 467         function __construct() {
 468                 $this->auth = new Sklad_Auth();
 469
 470                 parent::__construct(
 471                         DB_DSN, DB_USER, DB_PASS,
 472                         array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8") //Force UTF8 for MySQL
 473                 );
 474         }
 475
 476         function escape($str) {
 477                 return preg_replace('(^.|.$)', '', $this->quote($str)); //TODO HACK
 478         }
 479
 480         function quote_identifier($str) {
 481                 return '`'.$this->escape($str).'`'; //TODO HACK
 482         }
 483
 484         function build_query_select($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $order=false, $suffix_id='_id') {
 485                 //Configuration
 486                 $join = array(
 487                         'item'  => array('model', 'category', 'producer', 'vendor', 'room', 'status'),
 488                         'model' => array('category', 'producer')
 489                 ); //TODO Autodetect using foreign keys?
 490                 $search_fields = array(
 491                         'item'  => array('item_id','item_serial','model_name','model_barcode','model_descript','producer_name','vendor_name')
 492                 ); //TODO Autodetect
 493
 494                 //Init
 495                 if(is_array($where)) foreach($where as $key => $value) $where[$key] = $key.' '.$value; //TODO: escape SQLi!!!
 496
 497                 //Escaping
 498                 $class = $this->escape($class);
 499
 500                 //SELECT
 501                 $sql="SELECT * FROM `$class`\n";
 502                 //JOIN
 503                 if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN `$j` USING($j$suffix_id)\n";
 504                 //WHERE/REGEXP
 505                 if($search) {
 506                         $search = $this->quote($search);
 507                         if(!isset($search_fields[$class])) die(trigger_error(T("Can't search in $class table yet :-("))); //TODO: post_redirect_get
 508                         $sql_search = '';
 509                         foreach($search_fields[$class] as $column) $sql_search .= "OR $column REGEXP $search ";
 510                         $where[] = "FALSE $sql_search";
 511                 }       elseif($id) $where[] = "$class$suffix_id = $id";
 512                 if(!$history && $this->contains_history($class)) $where[] = $class.'_valid_till=0';
 513
 514                 if($where) $sql .= 'WHERE ('.implode(') AND (', $where).")\n";
 515                 //ORDER
 516                 if(!$order) $order = $class.$suffix_id;
 517                 if($this->contains_history($class)) $order .= ",${class}_valid_from DESC";
 518                 $sql .= "ORDER BY $order\n";
 519                 //LIMIT/OFFSET
 520                 if($limit) {
 521                         $limit = $this->escape((int)$limit);
 522                         $offset = $this->escape((int)$offset);
 523                         $sql .= "LIMIT $offset,$limit\n";
 524                 }
 525
 526                 return $sql;
 527         }
 528
 529         function safe_query($sql, $fatal=true) {
 530                 $result = $this->query($sql);
 531                 if(!$result) {
 532                         $error = $this->errorInfo();
 533                         trigger_error("<font color=red><b>QUERY FAILED ($error[0],$error[1]): </b>$error[2]<br /><br /><b>QUERY:</b>\n<pre>$sql</pre></font>");
 534                         if($fatal) die();
 535                 }
 536                 return $result;
 537         }
 538
 539         function translate_query_results($result) {
 540                 $translate_cols = array('status_name', 'item_valid_till'); //TODO: Hardcoded
 541                 foreach($result as $key => $row) {
 542                         foreach($translate_cols as $col) if(isset($result[$key][$col])){
 543                                 $result[$key][$col] = T($result[$key][$col]);
 544                         }
 545                 }
 546                 return $result;
 547         }
 548
 549         function safe_query_fetch($sql, $fatal=true, $fetch_flags = PDO::FETCH_ASSOC, $translate=true) {
 550                 $result = $this->safe_query($sql, $fatal)->fetchAll($fetch_flags);
 551                 if($translate) $result = $this->translate_query_results($result);
 552                 return $result;
 553         }
 554
 555
 556         function get_listing($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $indexed=array(), $suffix_id='_id') {
 557                 $sql = $this->build_query_select($class, $id, $limit, $offset, $where, $search, $history);
 558                 $result = $this->safe_query_fetch($sql);
 559                 if(!$result || !is_array($indexed)) return $result;
 560
 561                 foreach($result as $key => $row) $indexed[$row[$class.$suffix_id]]=$row;
 562                 return $indexed;
 563         }
 564
 565         function get_columns($class,$disable_cols=array()) { //TODO: Not sure if compatible with non-MySQL DBs
 566                 $class = $this->escape($class);
 567                 $sql = "SHOW COLUMNS FROM $class;";
 568                 $columns = $this->safe_query_fetch($sql);
 569                 /*foreach($columns as $colk => $col) foreach($col as $key => $val) {
 570                         if(in_array($col['Field'],$disable_cols)) $columns[$colk]['Extra']='auto_increment';
 571                 }*/
 572                 return $columns;
 573         }
 574
 575         function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
 576                 $selectbox=array();
 577                 foreach($columns as $column) {
 578                         if($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)!
 579                         if($class && $column['Field'] == $class.$suffix_id) continue;
 580                         if(!preg_match('/'.$suffix_id.'$/', $column['Field'])) continue;
 581                         $table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
 582
 583                         $history = $this->contains_history($table) ? " WHERE ${table}_valid_till=0" : '';
 584                         $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table$history;"; //TODO use build_query_select()!!!
 585                         $result = $this->safe_query_fetch($sql, false);
 586                         if(!$result) continue;
 587                         foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
 588                 }
 589                 //echo('<pre>'); print_r($selectbox);
 590                 return array_filter($selectbox, 'ksort');
 591         }
 592
 593         function map_unique($key, $value, $select, $table, $fatal=true) { //TODO: Guess $select and $table if not passed
 594                 $history = $this->contains_history($table) ? " AND ${table}_valid_till=0" : '';
 595                 $value=$this->quote($value);
 596                 $sql = "SELECT $select FROM $table WHERE $key=$value$history LIMIT 1;"; //TODO use build_query_select()!!!
 597                 $result = $this->safe_query_fetch($sql);
 598                 if(isset($result[0][$select])) return $result[0][$select]; else if($fatal) die(trigger_error(T('Record not found!'))); //TODO post_redirect_get...
 599         }
 600
 601         function contains_history($table) {
 602                 $history_tables = array('item'); //TODO Autodetect
 603                 return in_array($table, $history_tables);
 604         }
 605
 606         function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
 607                 //Init
 608                 $history = $this->contains_history($table);
 609
 610                 //Escaping
 611                 $table = $this->escape($table);
 612
 613                 //Get list of POSTed columns
 614                 $columns_array = array_map(array($this,'escape'), array_keys($values[0]));
 615                 $columns = implode(',',$columns_array);
 616
 617                 //Build query
 618                 $sql = '';
 619                 //echo('<pre>'); die(print_r($values));
 620
 621                 if($history) {
 622                         $history_update=false;  foreach($values as $row) if(is_numeric($row[$table.'_id'])) $history_update=true;
 623                         if($history_update) {
 624                                 $sql .= "UPDATE $table";
 625                                 $sql .= " SET ${table}_valid_till=NOW()";
 626                                 $sql .= " WHERE ${table}_valid_till=0 AND (";
 627                                 $or = '';
 628                                 foreach($values as $row) {
 629                                         $sql .= $or.' '.$table.'_id='.$this->quote($row[$table.'_id']);
 630                                         $or = ' OR';
 631                                 }
 632                                 $sql .= " );\n\n";
 633                                 $replace = false;
 634                         }
 635                 }
 636
 637                 //Insert into table (columns)
 638                 $sql .= "INSERT INTO $table ($columns) VALUES ";
 639
 640                 //Values (a,b,c),(d,e,f)
 641                 $comma='';
 642                 foreach($values as $row) {
 643                         $row_quoted = array_map(array($this,'quote'), $row); //Check
 644                         if($history) {
 645                                 foreach($row as $column => $value) {
 646                                         switch($column) {
 647                                                 case $table.'_valid_from':
 648                                                         $row_quoted[$column] = 'NOW()';
 649                                                         break;
 650                                                 case $table.'_valid_till':
 651                                                         $row_quoted[$column] = '0';
 652                                                         break;
 653                                                 case $table.'_author':
 654                                                         $row_quoted[$column] = $this->auth->get_user_id();
 655                                                         //die($this->auth->get_user_id().'=USER');
 656                                                         break;
 657                                         }
 658                                 }
 659                         }
 660                         $sql .= $comma.'('.implode(',',$row_quoted).')';
 661                         $comma = ',';
 662                 }
 663
 664                 //On duplicate key
 665                 if($replace) {
 666                         foreach($columns_array as $col) {
 667                                 if($col == $table.'_id' || $col == $table.'_valid_till') continue;
 668                                 $on_duplicate[] = "$col=VALUES($col)";
 669                         }
 670                         $sql .= "\nON DUPLICATE KEY UPDATE ".implode(',', $on_duplicate);
 671                 }
 672
 673                 //Terminate
 674                 $sql .= ';';
 675                 return $sql;
 676         }
 677
 678         function insert_or_update($table, $values, $replace=true) {
 679                 $sql = $this->build_query_insert($table, $values, $replace);
 680                 $this->safe_query($sql);
 681                 return $this->lastInsertId();
 682         }
 683
 684         function insert_or_update_multitab($values, $replace=true) {
 685                 $last=false;
 686                 foreach($values as $table => $rows) $last = $this->insert_or_update($table, $rows, $replace);
 687                 return $last;
 688         }
 689
 690         function delete($table, $id, $suffix_id='_id') {
 691                 if($this->contains_history($table)) return false;
 692                 $key = $this->escape($table.$suffix_id);
 693                 $table = $this->escape($table);
 694                 $id = $this->quote($id);
 695                 return $this->safe_query("DELETE FROM $table WHERE $key = $id LIMIT 1;");
 696         }
 697 }
 698
 699 /**
 700 * Trida poskytuje high-level rozhrani k databazi skladu
 701 *
 702 * @package  Sklad_DB_Abstract
 703 * @author   Tomas Mudrunka
 704 */
 705 class Sklad_DB_Abstract extends Sklad_DB {
 706         //TODO Code
 707 }
 708
 709 /**
 710 * Trida implementuje uzivatelske rozhrani skladu
 711 *
 712 * Example usage:
 713 * $sklad = new Sklad_UI();
 714 * $sklad->process_http_request();
 715 *
 716 * @package  Sklad_UI
 717 * @author   Tomas Mudrunka
 718 */
 719 class Sklad_UI {
 720         function __construct() {
 721                 $this->db = new Sklad_DB();
 722                 $this->html = new Sklad_HTML();
 723         }
 724
 725         function render_items($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false) {
 726                 return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $where, $search, $history, false),$class);
 727         }
 728
 729         function render_form_add($class) {
 730                 $columns = $this->db->get_columns($class);
 731                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 732                 return $this->html->render_insert_form($class, $columns, $selectbox);
 733         }
 734
 735         function render_form_edit($class, $id) {
 736                 $columns = $this->db->get_columns($class);
 737                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 738                 $current = $this->db->get_listing($class, $id, 1);
 739                 return $this->html->render_insert_form($class, $columns, $selectbox, $current);
 740         }
 741
 742         function render_single_record_details($class, $id) {
 743                 $id_next = $id + 1;
 744                 $id_prev = $id - 1 > 0 ? $id - 1 : 0;
 745                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 746                 $html='';
 747                 $html.= $this->html->link('<<', "$class/$id_prev/");
 748                 $html.= '-';
 749                 $html.= $this->html->link('>>', "$class/$id_next/");
 750                 $html.= '<br />';
 751                 $html.='<span style="float:right;">'.$this->html->render_barcode(BARCODE_PREFIX.strtoupper("$class/$id")).'</span>';
 752                 $html.= $this->html->link('edit', "$class/$id/edit/");
 753                 if($this->db->contains_history($class)) $html.= ' ][ '.$this->html->link('history', "$class/$id/history/");
 754                 return $html;
 755         }
 756
 757         function render_listing_navigation($class, $id, $limit, $offset) {
 758                 $offset_next = $offset + $limit;
 759                 $offset_prev = $offset - $limit > 0 ? $offset - $limit : 0;
 760                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 761                 $html='';
 762                 $html.= $this->html->link('<<', "$class/$id/$limit/$offset_prev/$get");
 763                 $html.= '-';
 764                 $html.= $this->html->link('>>', "$class/$id/$limit/$offset_next/$get");
 765                 $html.= '<br />';
 766                 $html.= $this->html->link('new', "$class/new/$get");
 767                 return $html;
 768         }
 769
 770         function render_listing_extensions($class, $id, $limit, $offset, $edit=false) {
 771                 $html='';
 772                 if(is_numeric($id)) {
 773                         $html.=$this->render_single_record_details($class, $id);
 774                 } else {
 775                         $html.=$this->render_listing_navigation($class, '*', $limit, $offset);
 776                 }
 777                 if($edit)       {
 778                         $html.= $this->render_form_edit($class, $id);
 779                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
 780                         $html.=$this->html->form($action,'POST',array(
 781                                 array(false,'DELETE','submit'),
 782                                 array('sure', false, 'checkbox', false, false, 'sure?')
 783                         ));
 784                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/image";
 785                         $html.=$this->html->form($action,'POST',array(
 786                                 array('image', false, 'file', false, 'size="30"'),
 787                                 array(false, 'IMAGE', 'submit')
 788                         ), "enctype='multipart/form-data'");
 789                 }
 790                 return $html;
 791         }
 792
 793         function check_auth() {
 794                 new HTTP_Auth('SkladovejSystem', true, array($this->db->auth,'check_auth'));
 795         }
 796
 797         function post_redirect_get($location, $message='', $error=false) {
 798                 $url_args = $message != '' ? '?message='.urlencode(T($message)) : '';
 799                 $location = $this->html->internal_url($location).$url_args;
 800                 header('Location: '.$location);
 801                 if($error) trigger_error($message);
 802                 $location=htmlspecialchars($location);
 803                 die(
 804                         "<meta http-equiv='refresh' content='0; url=$location'>".
 805                         T($message)."<br />Location: <a href='$location'>$location</a>"
 806                 );
 807         }
 808
 809         function safe_include($dir,$name,$vars=array(),$ext='.inc.php') {
 810                 if(preg_match('/[^a-zA-Z0-9-]/',$name)) $this->post_redirect_get('', 'SAFE INCLUDE: Securityfuck.', true);
 811                 $filename="$dir/$name$ext";
 812                 if(!is_file($filename)) $this->post_redirect_get('', 'SAFE INCLUDE: Fuckfound.', true);
 813                 foreach($vars as $var => $val) $$var=$val;
 814                 ob_start();
 815                 include($filename);
 816                 $out=ob_get_contents();
 817                 ob_end_clean();
 818                 return $out;
 819         }
 820
 821         function process_http_request_post($action=false, $class=false, $id=false, $force_redirect=false) {
 822                 if($_SERVER['REQUEST_METHOD'] != 'POST') return;
 823                 //echo('<pre>'); //DEBUG (maybe todo remove), HEADERS ALREADY SENT!!!!
 824
 825                 //SephirPOST:
 826
 827                 /* Tenhle foreach() prekopiruje promenne
 828                  * z:           $_POST['values'][$table][$column][$id];
 829                  * do:  $values[$table][$id][$column]
 830                  */
 831                 if(isset($_POST['values'])) {
 832                         $values=array();
 833                         foreach($_POST['values'] as $table => $columns) {
 834                                 foreach($columns as $column => $ids) {
 835                                         foreach($ids as $id => $val) $values[$table][$id][$column] = $val;
 836                                 }
 837                         }
 838                         //die(print_r($values));
 839                 }
 840
 841                 if($action) switch($action) {
 842                         case 'new':
 843                                 $replace = false;
 844                         case 'edit':
 845                                 if(!isset($replace)) $replace = true;
 846                                 $table = $class ? $class : 'item';
 847                                 //print_r($values); //debug
 848                                 $last = $this->db->insert_or_update_multitab($values, $replace);
 849                                 $last = $force_redirect ? $force_redirect."?last=$last" : "$table/$last/";
 850                                 $next = "$table/new/";
 851                                 $message = $force_redirect ? '' : 'Hotovo. Další záznam přidáte '.$this->html->link('zde', $next).'.';
 852                                 $this->post_redirect_get($last, $message);
 853                                 break;
 854                         case 'delete':
 855                                 if(!isset($_POST['sure']) || !$_POST['sure']) $this->post_redirect_get("$class/$id/edit", 'Sure user expected :-)');
 856                                 $this->db->delete($class, $id) || $this->post_redirect_get("$class/$id/edit", "V tabulce $class jentak neco mazat nebudes chlapecku :-P");
 857                                 $this->post_redirect_get("$class", "Neco (pravdepodobne /$class/$id) bylo asi smazano. Fnuk :'-(");
 858                                 break;
 859                         case 'image':
 860                                 $image_classes = array('model'); //TODO, use this more widely across the code
 861                                 if(!in_array($class, $image_classes)) $this->post_redirect_get("$class/$id/edit", "Nekdo nechce k DB Tride '$class' prirazovat obrazky!");
 862                                 $image_destination = DIR_IMAGES."/$class/$id.jpg";
 863                                 if($_FILES['image']['name'] == '') $this->post_redirect_get("$class/$id/edit", 'Everything has to be called somehow!', true);
 864                                 if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
 865                                         chmod ($image_destination, 0664);
 866                                         $this->post_redirect_get("$class/$id", 'Image has been upbloated successfully :)');
 867                                 } else $this->post_redirect_get("$class/$id/edit", 'File upload failed :(', true);
 868                                 break;
 869                         default:
 870                                 $this->post_redirect_get('', 'Nothin\' to do here my cutie :-*');
 871                                 break;
 872                 }
 873
 874                 die('POSTed pyčo!');
 875         }
 876
 877         function process_http_request() {
 878                 $this->check_auth();
 879
 880                 @ini_set('magic_quotes_gpc' , 'off');
 881                 if(get_magic_quotes_gpc()) {
 882                         die(trigger_error("Error: magic_quotes_gpc needs to be disabled! F00K!"));
 883                 }
 884
 885                 $PATH_INFO=@trim($_SERVER[PATH_INFO]);
 886                 $PATH_CHUNKS = preg_split('/\//', $PATH_INFO);
 887                 //Sephirot:
 888                 if(!isset($PATH_CHUNKS[1])) $PATH_CHUNKS[1]='';
 889                 if($_SERVER['REQUEST_METHOD'] != 'POST' && $PATH_CHUNKS[1]!='barcode') //TODO: tyhle podminky naznacujou, ze je v navrhu nejaka drobna nedomyslenost...
 890                         echo $this->html->header($PATH_INFO,$this->db->auth->get_user());
 891                 switch($PATH_CHUNKS[1]) { //TODO: Move some branches to plugins if possible
 892                         case 'test':    //test
 893                                 die('Tell me why you cry');
 894                                 break;
 895                         case 'assistant': //assistant
 896                                 $PATH_CHUNKS[3] = isset($PATH_CHUNKS[3]) ? trim($PATH_CHUNKS[3]) : false;
 897                                 $assistant_vars['SUBPATH'] = array_slice($PATH_CHUNKS, 3);
 898                                 $assistant_vars['URL_INTERNAL'] = 'assistant/'.$PATH_CHUNKS[2];
 899                                 $assistant_vars['URL'] = $_SERVER['SCRIPT_NAME'].'/'.$assistant_vars['URL_INTERNAL'];
 900                                 $assistant_vars['ASSISTANT'] = $PATH_CHUNKS[2];
 901                                 echo $this->safe_include(DIR_ASSISTANTS,$PATH_CHUNKS[2],$assistant_vars);
 902                                 break;
 903                         case 'barcode': //barcode
 904                                 Barcode::download_barcode(implode('/',array_slice($PATH_CHUNKS, 2)));
 905                                 break;
 906                         default:        //?
 907                                 $search = (isset($_GET['q']) && trim($_GET['q']) != '') ? trim($_GET['q']) : false;
 908                                 $class  = (isset($PATH_CHUNKS[1]) && $PATH_CHUNKS[1] != '') ? $PATH_CHUNKS[1] : 'item';
 909                                 if(!isset($PATH_CHUNKS[2])) $PATH_CHUNKS[2]='';
 910                                 switch($PATH_CHUNKS[2]) {
 911                                         case 'new':     //?/new
 912                                                 $this->process_http_request_post($PATH_CHUNKS[2], $class);
 913                                                 echo $this->render_form_add($class);
 914                                                 break;
 915                                         default:        //?/?
 916                                                 $id     = (isset($PATH_CHUNKS[2]) && is_numeric($PATH_CHUNKS[2]) ? (int) $PATH_CHUNKS[2] : false);
 917                                                 if(!isset($PATH_CHUNKS[3])) $PATH_CHUNKS[3]='';
 918                                                 $edit=false;
 919                                                 switch($PATH_CHUNKS[3]) {
 920                                                         case 'edit':    //?/?/edit
 921                                                         case 'image':   //?/?/image
 922                                                         case 'delete':  //?/?/delete
 923                                                                 $this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
 924                                                                 $edit=true;
 925                                                         default:        //?/?/?
 926                                                                 $history = $PATH_CHUNKS[3] == 'history' ? true : false;
 927                                                                 $limit  = (int) (isset($PATH_CHUNKS[3]) ? $PATH_CHUNKS[3] : '0');
 928                                                                 $offset = (int) (isset($PATH_CHUNKS[4]) ? $PATH_CHUNKS[4] : '0');
 929                                                                 $where = @is_array($_GET['where']) ? $_GET['where'] : false;
 930                                                                 echo $this->render_items($class, $id, $limit, $offset, $where, $search, $history);
 931                                                                 echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
 932                                                                 //print_r(array("<pre>",$_SERVER));
 933                                                                 break;
 934                                                 }
 935                                                 break;
 936                                 }
 937                                 break;
 938                 }
 939         }
 940 }
 941
 942 $sklad = new Sklad_UI();
 943 $sklad->process_http_request();
 944
 945 echo('<br style="clear:both;" /><hr />');