index.php

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