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