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