index.php

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