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 require_once('Sklad_LMS-fake.class.php');
  22 require_once('HTTP_Auth.class.php');
  23
  24 /**
  25 * Trida poskytuje vseobecne funkce pro generovani HTML kodu
  26 *
  27 * Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
  28 *
  29 * @package  HTML
  30 * @author   Tomas Mudrunka
  31 */
  32 class HTML {
  33         function row($row) {
  34                 $html='<tr>';
  35                 foreach($row as $var) {
  36                         if(trim($var) == '') $var = '&nbsp;';
  37                         $html.="<td>$var</td>";
  38                 }
  39                 $html.='</tr>';
  40                 return $html;
  41         }
  42
  43         function table(&$table, $params='border=1') {
  44                 $html="<table $params>";
  45                 $header=true;
  46                 foreach($table as $row) {
  47                         if($header) {
  48                                 $html.=$this->row(array_keys($row));
  49                                 $header=false;
  50                         }
  51                         $html.=$this->row($row);
  52                 }
  53                 $html.='</table>';
  54                 return $html;
  55         }
  56
  57         function link($title='n/a', $link='#void', $internal=true) {
  58                 if($internal) $link = $this->internal_url($link);
  59                 return "<a href='$link'>$title</a>";
  60         }
  61
  62         function img($src='#void', $title='img') {
  63                 return "<img src='$src' alt='$title' title='$title' width=64 />";
  64         }
  65
  66         function input($name=false, $value=false, $type='text', $placeholder=false, $options=false) {
  67                 $html = "<input type='$type' ";
  68                 if($name) $html.= "name='$name' ";
  69                 if(!is_bool($value)) $html.= "value='$value' ";
  70                 if($options) $html.= "$options ";
  71                 if($placeholder) $html.= "placeholder='$placeholder' ";
  72                 $html .= '/>';
  73                 return $html;
  74         }
  75
  76         function select($name, $selectbox, $default=false) {
  77                 //echo('<pre>'); print_r($selectbox);
  78                 $html = "<select name='$name'>";
  79
  80                 if($default) {
  81                         $value=$default; $title=$selectbox[$value];
  82                         $html .= "<option value='$value'>$value :: $title</option>";
  83                         unset($selectbox[$value]);
  84                 }
  85                 foreach($selectbox as $value => $title) {
  86                         $html .= "<option value='$value'>$value :: $title</option>";
  87                 }
  88                 $html .= "</select>";
  89                 return $html;
  90         }
  91 }
  92
  93 /**
  94 * Trida poskytuje podpurne funkce pro generovani HTML kodu specificke pro sklad
  95 *
  96 * Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
  97 *
  98 * @package  Sklad_HTML
  99 * @author   Tomas Mudrunka
 100 */
 101 class Sklad_HTML extends HTML {
 102         function header($title='') {
 103                 $home = URL_HOME;
 104                 $script = $_SERVER['SCRIPT_NAME'];
 105                 $search = htmlspecialchars(@trim($_GET['q']));
 106                 $message = strip_tags(@trim($_GET['message']),'<a><b><u><i>');
 107                 return <<<EOF
 108 <head>
 109         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
 110 </head>
 111 <h1><a href="$script/">SystémSklad</a><small>$title</small></h1>
 112
 113 <style type="text/css">
 114 .menu li, .menu * li {
 115         float: left;
 116         margin: 0.2em;
 117 }
 118
 119 .menu * menu {
 120         position: absolute;
 121         background-color: yellow;
 122 }
 123
 124 .menu, .menu * menu {
 125         list-style: none;
 126 }
 127
 128 .menu * menu {
 129         display: none;
 130         margin: 0;
 131 }
 132
 133 .menu li:hover menu {
 134         display: block;
 135 }
 136 </style>
 137
 138 <div>
 139         <menu class="menu">
 140                 <li><a href="?logout">Logout</a></li>
 141                 <li><a href="$script/">Home</a></li>
 142                 <li><a href="#">Assistants</A>
 143                         <menu>
 144                                 <li><a href="$script/assistant/store">store</a></li>
 145                                 <li><a href="$script/assistant/new-item">new-item</a></li>
 146                         </menu>
 147                 </li>
 148                 <li><a href="#">List</a>
 149                         <menu>
 150                                 <li><a href="$script/item">item</a></li>
 151                                 <li><a href="$script/model">model</a></li>
 152                                 <li><a href="$script/category">category</a></li>
 153                                 <li><a href="$script/producer">producer</a></li>
 154                                 <li><a href="$script/vendor">vendor</a></li>
 155                                 <li><a href="$script/room">room</a></li>
 156                                 <li><a href="$script/status">status</a></li>
 157                         </menu>
 158                 </li>
 159                 <li><a href="#">New</a>
 160                         <menu>
 161                                 <li><a href="$script/item/new">item</a></li>
 162                                 <li><a href="$script/model/new">model</a></li>
 163                                 <li><a href="$script/category/new">category</a></li>
 164                                 <li><a href="$script/producer/new">producer</a></li>
 165                                 <li><a href="$script/vendor/new">vendor</a></li>
 166                                 <li><a href="$script/room/new">room</a></li>
 167                                 <li><a href="$script/status/new">status</a></li>
 168                         </menu>
 169                 </li>
 170         </menu>
 171
 172         <div style="float: right;">
 173                 <form action="?" method="GET">
 174                         <input type="text" name="q" placeholder="regexp..." value="$search" />
 175                         <input type="submit" value="filter" />
 176                 </form>
 177                 <!-- form action="$script/" method="GET">
 178                         <input type="text" name="q" placeholder="regexp..." value="$search" />
 179                         <input type="submit" value="search items" />
 180                 </form -->
 181         </div>
 182 </div>
 183 <hr style="clear: both;" />
 184 <div style="background-color:#FFDDDD;">
 185         <font color="red">$message</font>
 186 </div>
 187 EOF;
 188         }
 189
 190         function internal_url($link) {
 191                 return $_SERVER['SCRIPT_NAME'].'/'.$link;
 192         }
 193
 194         function table_add_images(&$table) {
 195                 $image = array('model_id');
 196                 foreach($table as $id => $row) {
 197                         foreach($image as $column) if(isset($table[$id][$column])) {
 198                                 $type = @array_shift(preg_split('/_/', $column));
 199                                 $src=URL_IMAGES."/$type/".$table[$id][$column].'.jpg';
 200                                 $table[$id][$type.'_image']=$this->img($src, $table[$id][$column]);
 201                         }
 202                 }
 203         }
 204
 205         function table_collapse(&$table) {
 206                 $collapse = array(
 207                         'item_id' => 'item_id',
 208                         'model_id' => 'model_name',
 209                         'category_id' => 'category_name',
 210                         'producer_id' => 'producer_name',
 211                         'vendor_id' => 'vendor_name',
 212                         'room_id' => 'room_name',
 213                         'status_id' => 'status_name',
 214                 );
 215                 foreach($table as $id => $row) {
 216                         foreach($collapse as $link => $title)
 217                                 if(isset($table[$id][$link])) {
 218                                         $type = @array_shift(preg_split('/_/', $link));
 219                                         if($link != $title) unset($table[$id][$link]);
 220                                         $table[$id][$title]=$this->link($row[$title], $type.'/'.$row[$link].'/');
 221                                 }
 222                 }
 223         }
 224
 225         function table_sort(&$table) {
 226                 $precedence = array('item_id', 'model_image', 'model_name','model_descript','category_name','status_name','room_name');
 227                 $table_sorted = array();
 228                 foreach($table as $id => $row) {
 229                         $table_sorted[$id] = array();
 230                         foreach($precedence as $column) if(isset($table[$id][$column])) {
 231                                 $table_sorted[$id][$column]=$table[$id][$column];
 232                                 unset($table[$id][$column]);
 233                         }
 234                         $table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
 235                 }
 236                 $table = $table_sorted;
 237         }
 238
 239         function render_item_table($table) {
 240                 $this->table_add_images($table);
 241                 $this->table_collapse($table);
 242                 $this->table_sort($table);
 243                 return $this->table($table);
 244         }
 245
 246         function render_insert_form($class, $columns, $selectbox=array(), $current=false, $hidecols=false, $multi_insert=true) {
 247                 //echo('<pre>'); print_r($selectbox);
 248                 //echo('<pre>'); print_r($current);
 249                 $update = false;
 250                 if(is_array($current)) {
 251                         $update = true;
 252                         $current = array_shift($current);
 253                 }
 254
 255                 if(!is_array($hidecols)) $hidecols = array('item_author', 'item_valid_from', 'item_valid_till'); //TODO Autodetect
 256
 257                 $html='<form method="POST">';
 258                 if($multi_insert) $html.='<div name="input_set" style="float:left; border:1px solid grey;">';
 259                 //$html.=$this->input('table', $class, 'hidden');
 260                 foreach($columns as $column)    {
 261                         $html.=$class.':<b>'.$column['Field'].'</b>: ';
 262                         $name="values[$class][".$column['Field'].'][]';
 263                         $val = $update ? $current[$column['Field']] : false;
 264                         switch(true) {
 265                                 case (preg_match('/auto_increment/', $column['Extra']) || in_array($column['Field'], $hidecols)):
 266                                         if(!$val) $val = '';
 267                                         $html.=$this->input($name, $val, 'hidden');
 268                                         $html.=$val.'(AUTO)';
 269                                         break;
 270                                 case isset($selectbox[$column['Field']]):
 271                                         $html.=$this->select($name,$selectbox[$column['Field']],$val);
 272                                         break;
 273                                 default:
 274                                         $html.=$this->input($name, $val);
 275                                         break;
 276                         }
 277                         $html.='<br />';
 278                 }
 279
 280                 if($multi_insert) {
 281                         //TODO, move to separate JS file
 282                         $html.=<<<EOF
 283                         </div>
 284                         <span name="input_set_next"></span><br style="clear:both" />
 285                         <script>
 286                                 function duplicate_element(what, where) {
 287                                         document.getElementsByName(where)[0].outerHTML =
 288                                                 document.getElementsByName(what)[0].outerHTML
 289                                                 + document.getElementsByName(where)[0].outerHTML;
 290                                 }
 291                         </script>
 292                         <a href='#' onClick="duplicate_element('input_set', 'input_set_next')">+</a>
 293 EOF;
 294                 }
 295
 296                 $btn = is_array($current) ? 'UPDATE' : 'INSERT';
 297                 $html.=$this->input(false, $btn, 'submit');
 298                 $html.='</form>';
 299                 return $html;
 300         }
 301 }
 302
 303 /**
 304 * Trida poskytuje rozhrani k databazi skladu
 305 *
 306 * @package  Sklad_DB
 307 * @author   Tomas Mudrunka
 308 */
 309 class Sklad_DB extends PDO {
 310         function __construct() {
 311                 $this->lms = new Sklad_LMS();
 312
 313                 parent::__construct(
 314                         DB_DSN, DB_USER, DB_PASS,
 315                         array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8") //Force UTF8 for MySQL
 316                 );
 317         }
 318
 319         function escape($str) {
 320                 return preg_replace('(^.|.$)', '', $this->quote($str)); //TODO HACK
 321         }
 322
 323         function build_query_select($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $order=false, $suffix_id='_id') {
 324                 //Configuration
 325                 $join = array(
 326                         'item'  => array('model', 'category', 'producer', 'vendor', 'room', 'status'),
 327                         'model' => array('category', 'producer')
 328                 ); //TODO Autodetect using foreign keys?
 329                 $search_fields = array(
 330                         'item'  => array('item_id','model_name','model_barcode','model_descript','producer_name','vendor_name')
 331                 ); //TODO Autodetect
 332
 333                 //Escaping
 334                 $class = $this->escape($class);
 335
 336                 //SELECT
 337                 $sql="SELECT * FROM $class\n";
 338                 //JOIN
 339                 if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN $j USING($j$suffix_id)\n";
 340                 //WHERE/REGEXP
 341                 if($search) {
 342                         $search = $this->quote($search);
 343                         if(!isset($search_fields[$class])) $this->post_redirect_get($class, "Ve tride $class zatim vyhledavat nemozno :-(");
 344                         $search = '';
 345                         foreach($search_fields[$class] as $column) $search .= "OR $column REGEXP $search ";
 346                         $where[] = "FALSE $search";
 347                 }       elseif($id) $where[] = "$class$suffix_id = $id";
 348                 if(!$history && $this->contains_history($class)) $where[] = $class.'_valid_till=0';
 349
 350                 if($where) $sql .= 'WHERE '.implode(' AND ', $where)."\n";
 351                 //ORDER
 352                 if(!$order) $order = $class.$suffix_id;
 353                 if($this->contains_history($class)) $order .= ",${class}_valid_from DESC";
 354                 $sql .= "ORDER BY $order\n";
 355                 //LIMIT/OFFSET
 356                 if($limit) {
 357                         $limit = $this->escape((int)$limit);
 358                         $offset = $this->escape((int)$offset);
 359                         $sql .= "LIMIT $offset,$limit\n";
 360                 }
 361
 362                 return $sql;
 363         }
 364
 365         function safe_query($sql, $fatal=true) {
 366                 $result = $this->query($sql);
 367                 if(!$result) {
 368                         $error = $this->errorInfo();
 369                         trigger_error("<font color=red><b>QUERY FAILED ($error[0],$error[1]): </b>$error[2]<br /><br /><b>QUERY:</b>\n<pre>$sql</pre></font>");
 370                         if($fatal) die();
 371                 }
 372                 return $result;
 373         }
 374
 375         function get_listing($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $indexed=array(), $suffix_id='_id') {
 376                 $sql = $this->build_query_select($class, $id, $limit, $offset, $where, $search, $history);
 377                 $result = $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
 378                 if(!$result || !is_array($indexed)) return $result;
 379
 380                 foreach($result as $key => $row) $indexed[$row[$class.$suffix_id]]=$row;
 381                 return $indexed;
 382         }
 383
 384         function get_columns($class) {
 385                 $class = $this->escape($class);
 386                 $sql = "SHOW COLUMNS FROM $class;";
 387                 return $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
 388         }
 389
 390         function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
 391                 $selectbox=array();
 392                 foreach($columns as $column) {
 393                         if($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)!
 394                         if($class && $column['Field'] == $class.$suffix_id) continue;
 395                         if(!preg_match('/'.$suffix_id.'$/', $column['Field'])) continue;
 396                         $table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
 397
 398                         $history = $this->contains_history($table) ? " WHERE ${table}_valid_till=0" : '';
 399                         $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table$history;"; //TODO use build_query_select()!!!
 400                         $result = $this->safe_query($sql, false);
 401                         if(!$result) continue;
 402                         $result = $result->fetchAll(PDO::FETCH_ASSOC);
 403                         foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
 404                 }
 405                 //echo('<pre>'); print_r($selectbox);
 406                 return array_filter($selectbox, 'ksort');
 407         }
 408
 409         function contains_history($table) {
 410                 $history_tables = array('item'); //TODO Autodetect
 411                 return in_array($table, $history_tables);
 412         }
 413
 414         function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
 415                 //Init
 416                 $history = $this->contains_history($table);
 417
 418                 //Escaping
 419                 $table = $this->escape($table);
 420
 421                 //Get list of POSTed columns
 422                 $columns_array = array_map(array($this,'escape'), array_keys($values[0]));
 423                 $columns = implode(',',$columns_array);
 424
 425                 //Build query
 426                 $sql = '';
 427                 //echo('<pre>'); die(print_r($values));
 428
 429                 if($history) {
 430                         $history_update=false;  foreach($values as $row) if(is_numeric($row[$table.'_id'])) $history_update=true;
 431                         if($history_update) {
 432                                 $sql .= "UPDATE $table";
 433                                 $sql .= " SET ${table}_valid_till=NOW()";
 434                                 $sql .= " WHERE ${table}_valid_till=0 AND (";
 435                                 $or = '';
 436                                 foreach($values as $row) {
 437                                         $sql .= $or.' '.$table.'_id='.$row[$table.'_id'];
 438                                         $or = ' OR';
 439                                 }
 440                                 $sql .= " );\n\n";
 441                                 $replace = false;
 442                         }
 443                 }
 444
 445                 //Insert into table (columns)
 446                 $sql .= "INSERT INTO $table ($columns) VALUES ";
 447
 448                 //Values (a,b,c),(d,e,f)
 449                 $comma='';
 450                 foreach($values as $row) {
 451                         $row_quoted = array_map(array($this,'quote'), $row); //Check
 452                         if($history) {
 453                                 foreach($row as $column => $value) {
 454                                         switch($column) {
 455                                                 case $table.'_valid_from':
 456                                                         $row_quoted[$column] = 'NOW()';
 457                                                         break;
 458                                                 case $table.'_valid_till':
 459                                                         $row_quoted[$column] = '0';
 460                                                         break;
 461                                                 case $table.'_author':
 462                                                         $row_quoted[$column] = $this->lms->get_authorized_user_id();
 463                                                         //die($this->lms->get_authorized_user_id().'=USER');
 464                                                         break;
 465                                         }
 466                                 }
 467                         }
 468                         $sql .= $comma.'('.implode(',',$row_quoted).')';
 469                         $comma = ',';
 470                 }
 471
 472                 //On duplicate key
 473                 if($replace) {
 474                         foreach($columns_array as $col) {
 475                                 if($col == $table.'_id' || $col == $table.'_valid_till') continue;
 476                                 $on_duplicate[] = "$col=VALUES($col)";
 477                         }
 478                         $sql .= "\nON DUPLICATE KEY UPDATE ".implode(',', $on_duplicate);
 479                 }
 480
 481                 //Terminate
 482                 $sql .= ';';
 483                 return $sql;
 484         }
 485
 486         function insert_or_update($table, $values, $replace=true) {
 487                 $sql = $this->build_query_insert($table, $values, $replace);
 488                 $this->safe_query($sql);
 489                 return $this->lastInsertId();
 490         }
 491
 492         function insert_or_update_multitab($values, $replace=true) {
 493                 $last=false;
 494                 foreach($values as $table => $rows) $last = $this->insert_or_update($table, $rows, $replace);
 495                 return $last;
 496         }
 497
 498         function delete($table, $id, $suffix_id='_id') {
 499                 if($this->contains_history($table)) return false;
 500                 $key = $this->escape($table.$suffix_id);
 501                 $table = $this->escape($table);
 502                 $id = $this->quote($id);
 503                 return $this->safe_query("DELETE FROM $table WHERE $key = $id LIMIT 1;");
 504         }
 505 }
 506
 507 /**
 508 * Trida poskytuje high-level rozhrani k databazi skladu
 509 *
 510 * @package  Sklad_DB_Abstract
 511 * @author   Tomas Mudrunka
 512 */
 513 class Sklad_DB_Abstract extends Sklad_DB {
 514         //TODO Code
 515 }
 516
 517 /**
 518 * Trida implementuje uzivatelske rozhrani skladu
 519 *
 520 * Example usage:
 521 * $sklad = new Sklad_UI();
 522 * $sklad->process_http_request();
 523 *
 524 * @package  Sklad_UI
 525 * @author   Tomas Mudrunka
 526 */
 527 class Sklad_UI {
 528         function __construct() {
 529                 $this->db = new Sklad_DB();
 530                 $this->html = new Sklad_HTML();
 531         }
 532
 533         function render_items($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false) {
 534                 return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $where, $search, $history, false));
 535         }
 536
 537         function render_form_add($class) {
 538                 $columns = $this->db->get_columns($class);
 539                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 540                 return $this->html->render_insert_form($class, $columns, $selectbox);
 541         }
 542
 543         function render_form_edit($class, $id) {
 544                 $columns = $this->db->get_columns($class);
 545                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 546                 $current = $this->db->get_listing($class, $id, 1);
 547                 return $this->html->render_insert_form($class, $columns, $selectbox, $current);
 548         }
 549
 550         function render_single_record_details($class, $id) {
 551                 $id_next = $id + 1;
 552                 $id_prev = $id - 1 > 0 ? $id - 1 : 0;
 553                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 554                 $html='';
 555                 $html.= $this->html->link('<<', "$class/$id_prev/");
 556                 $html.= '-';
 557                 $html.= $this->html->link('>>', "$class/$id_next/");
 558                 $html.= '<br />';
 559                 $html.= $this->html->link('edit', "$class/$id/edit/");
 560                 if($this->db->contains_history($class)) $html.= ' ][ '.$this->html->link('history', "$class/$id/history/");
 561                 return $html;
 562         }
 563
 564         function render_listing_navigation($class, $id, $limit, $offset) {
 565                 $offset_next = $offset + $limit;
 566                 $offset_prev = $offset - $limit > 0 ? $offset - $limit : 0;
 567                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 568                 $html='';
 569                 $html.= $this->html->link('<<', "$class/$id/$limit/$offset_prev/$get");
 570                 $html.= '-';
 571                 $html.= $this->html->link('>>', "$class/$id/$limit/$offset_next/$get");
 572                 $html.= '<br />';
 573                 $html.= $this->html->link('new', "$class/new/$get");
 574                 return $html;
 575         }
 576
 577         function render_listing_extensions($class, $id, $limit, $offset, $edit=false) {
 578                 $html='';
 579                 if(is_numeric($id)) {
 580                         $html.=$this->render_single_record_details($class, $id);
 581                 } else {
 582                         $html.=$this->render_listing_navigation($class, '*', $limit, $offset);
 583                 }
 584                 if($edit)       {
 585                         $html.= $this->render_form_edit($class, $id);
 586                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
 587             $html.= "<form action='$action' method='POST'>";
 588                         $html.= $this->html->input(false, 'DELETE', 'submit');
 589                         $html.= 'sure?'.$this->html->input('sure', false, 'checkbox');
 590                         $html.= '</form>';
 591                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/image";
 592             $html.= "<form action='$action' method='POST' enctype='multipart/form-data'>";
 593                         $html.= $this->html->input('image', false, 'file', false, 'size="30"');
 594                         $html.= $this->html->input(false, 'IMAGE', 'submit');
 595                         $html.='</form>';
 596                 }
 597                 return $html;
 598         }
 599
 600         function check_auth() {
 601                 new HTTP_Auth('SkladovejSystem', true, array($this->db->lms,'check_auth'));
 602         }
 603
 604         function post_redirect_get($location, $message='', $error=false) {
 605                 $location = $this->html->internal_url($location).'?message='.urlencode($message);
 606                 header('Location: '.$location);
 607                 if($error) trigger_error($message);
 608                 die("Location: <a href='$location'>$location</a>");
 609         }
 610
 611         function safe_include($dir,$name,$vars=array(),$ext='.inc.php') {
 612                 if(preg_match('/[^a-zA-Z0-9-]/',$name)) $this->post_redirect_get('', 'SAFE INCLUDE: Securityfuck.', true);
 613                 $filename="$dir/$name$ext";
 614                 if(!is_file($filename)) $this->post_redirect_get('', 'SAFE INCLUDE: Fuckfound.', true);
 615                 foreach($vars as $var => $val) $$var=$val;
 616                 ob_start();
 617                 include($filename);
 618                 $out=ob_get_contents();
 619                 ob_end_clean();
 620                 return $out;
 621         }
 622
 623         function process_http_request_post($action=false, $class=false, $id=false) {
 624                 if($_SERVER['REQUEST_METHOD'] != 'POST') return;
 625                 //echo('<pre>'); //DEBUG (maybe todo remove), HEADERS ALREADY SENT!!!!
 626
 627                 //SephirPOST:
 628
 629                 /* Tenhle foreach() prekopiruje promenne
 630                  * z:           $_POST['values'][$table][$column][$id];
 631                  * do:  $values[$table][$id][$column]
 632                  */
 633                 if(isset($_POST['values'])) {
 634                         $values=array();
 635                         foreach($_POST['values'] as $table => $columns) {
 636                                 foreach($columns as $column => $ids) {
 637                                         foreach($ids as $id => $val) $values[$table][$id][$column] = $val;
 638                                 }
 639                         }
 640                         //die(print_r($values));
 641                 }
 642
 643                 if($action) switch($action) {
 644                         case 'new':
 645                                 $replace = false;
 646                         case 'edit':
 647                                 if(!isset($replace)) $replace = true;
 648                                 $table = $class ? $class : 'item';
 649                                 //print_r($values); //debug
 650                                 $last = $this->db->insert_or_update_multitab($values, $replace);
 651                                 $last = "$table/$last/";
 652                                 $next = "$table/new/";
 653                                 $this->post_redirect_get($last, 'Hotovo. Další záznam přidáte '.$this->html->link('zde', $next).'.');
 654                                 break;
 655                         case 'delete':
 656                                 if(!isset($_POST['sure']) || !$_POST['sure']) $this->post_redirect_get("$class/$id/edit", 'Sure user expected :-)');
 657                                 $this->db->delete($class, $id) || $this->post_redirect_get("$class/$id/edit", "V tabulce $class jentak neco mazat nebudes chlapecku :-P");
 658                                 $this->post_redirect_get("$class", "Neco (pravdepodobne /$class/$id) bylo asi smazano. Fnuk :'-(");
 659                                 break;
 660                         case 'image':
 661                                 $image_classes = array('model'); //TODO, use this more widely across the code
 662                                 if(!in_array($class, $image_classes)) $this->post_redirect_get("$class/$id/edit", "Nekdo nechce k DB Tride '$class' prirazovat obrazky!");
 663                                 $image_destination = DIR_IMAGES."/$class/$id.jpg";
 664                                 if($_FILES['image']['name'] == '') $this->post_redirect_get("$class/$id/edit", 'Kazde neco se musi nejak jmenovat!', true);
 665                                 if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
 666                                         chmod ($image_destination, 0664);
 667                                         $this->post_redirect_get("$class/$id", 'Obrazek se naladoval :)');
 668                                 } else $this->post_redirect_get("$class/$id/edit", 'Soubor se nenahral :(', true);
 669                                 break;
 670                         default:
 671                                 trigger_error('Nothin\' to do here my cutie :-*');
 672                                 break;
 673                 }
 674
 675                 die('POSTed pyčo!');
 676         }
 677
 678         function process_http_request() {
 679                 $this->check_auth();
 680
 681                 @ini_set('magic_quotes_gpc' , 'off');
 682                 if(get_magic_quotes_gpc()) {
 683                         die(trigger_error("Error: magic_quotes_gpc needs to be disabled! F00K!"));
 684                 }
 685
 686                 $PATH_INFO=@trim($_SERVER[PATH_INFO]);
 687                 if($_SERVER['REQUEST_METHOD'] != 'POST') echo $this->html->header($PATH_INFO); //TODO tahle podminka naznacuje ze je v navrhu nejaka drobna nedomyslenost...
 688
 689
 690                 //Sephirot:
 691                 $PATH_CHUNKS = preg_split('/\//', $PATH_INFO);
 692                 if(!isset($PATH_CHUNKS[1])) $PATH_CHUNKS[1]='';
 693                 switch($PATH_CHUNKS[1]) {
 694                         case 'test':    //test
 695                                 die('Tell me why you cry');
 696                                 break;
 697                         case 'assistant': //assistant
 698                                 $assistant_vars['step'] = isset($PATH_CHUNKS[3]) && is_numeric($PATH_CHUNKS[3]) ? trim($PATH_CHUNKS[3]) : false;
 699                                 echo $this->safe_include(DIR_ASSISTANTS,$PATH_CHUNKS[2],$assistant_vars);
 700                                 break;
 701                         default:        //?
 702                                 $search = (isset($_GET['q']) && trim($_GET['q']) != '') ? trim($_GET['q']) : false;
 703                                 $class  = (isset($PATH_CHUNKS[1]) && $PATH_CHUNKS[1] != '') ? $PATH_CHUNKS[1] : 'item';
 704                                 if(!isset($PATH_CHUNKS[2])) $PATH_CHUNKS[2]='';
 705                                 switch($PATH_CHUNKS[2]) {
 706                                         case 'new':     //?/new
 707                                                 $this->process_http_request_post($PATH_CHUNKS[2], $class);
 708                                                 echo $this->render_form_add($class);
 709                                                 break;
 710                                         default:        //?/?
 711                                                 $id     = (isset($PATH_CHUNKS[2]) && is_numeric($PATH_CHUNKS[2]) ? (int) $PATH_CHUNKS[2] : false);
 712                                                 if(!isset($PATH_CHUNKS[3])) $PATH_CHUNKS[3]='';
 713                                                 $edit=false;
 714                                                 switch($PATH_CHUNKS[3]) {
 715                                                         case 'edit':    //?/?/edit
 716                                                         case 'image':   //?/?/image
 717                                                         case 'delete':  //?/?/delete
 718                                                                 $this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
 719                                                                 $edit=true;
 720                                                         default:        //?/?/?
 721                                                                 $history = $PATH_CHUNKS[3] == 'history' ? true : false;
 722                                                                 $limit  = (int) (isset($PATH_CHUNKS[3]) ? $PATH_CHUNKS[3] : '0');
 723                                                                 $offset = (int) (isset($PATH_CHUNKS[4]) ? $PATH_CHUNKS[4] : '0');
 724                                                                 $where = false; //TODO get from URL
 725                                                                 echo $this->render_items($class, $id, $limit, $offset, $where, $search, $history);
 726                                                                 echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
 727                                                                 //print_r(array("<pre>",$_SERVER));
 728                                                                 break;
 729                                                 }
 730                                                 break;
 731                                 }
 732                                 break;
 733                 }
 734         }
 735 }
 736
 737 $sklad = new Sklad_UI();
 738 $sklad->process_http_request();
 739
 740 echo("<hr/>");