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 require_once('Fortune.php');
  28
  29 /**
  30 * Trida poskytuje vseobecne funkce pro generovani HTML kodu
  31 *
  32 * Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
  33 *
  34 * @package  HTML
  35 * @author   Tomas Mudrunka
  36 */
  37 class HTML {
  38         function row($row,$type=false,$class=false,$parameters='') {
  39                 $html = '';
  40                 $class = $class ? $class=" class='$class' " : '';
  41                 if($type) $html.="<$type>";
  42                 $html.="<tr$class$parameters>";
  43                 $td = $type == 'thead' ? 'th' : 'td';
  44                 foreach($row as $var) {
  45                         if(trim($var) == '') $var = '&nbsp;';
  46                         $html.="<$td>$var</$td>";
  47                 }
  48                 $html.='</tr>';
  49                 if($type) $html.="</$type>";
  50                 return $html;
  51         }
  52
  53         function table(&$table, $parity_class=array('tr_odd','tr_even'), $params='border=1', $row_params_field='_row_parameters') {
  54                 $html="<table $params>";
  55                 $header=true;
  56                 $even=false;
  57                 foreach($table as $row) {
  58                         if($header) {
  59                                 unset($row[$row_params_field]);
  60                                 $html.=$this->row(array_keys($row),'thead');
  61                                 $header=false;
  62                         }
  63                         $class = $parity_class ? $parity_class[$even] : false;
  64                         $params = isset($row[$row_params_field]) ? $row[$row_params_field] : '';
  65                         unset($row[$row_params_field]);
  66                         $html.=$this->row($row,false,$class.$params);
  67                         $even = !$even;
  68                 }
  69                 $html.='</table>';
  70                 return $html;
  71         }
  72
  73         function link($title='n/a', $link='#void', $internal=true, $translate=true) {
  74                 if($internal && (!isset($link[0]) || $link[0] != '#')) $link = $this->internal_url($link);
  75                 if($translate) $title = T($title);
  76                 return "<a href='$link'>".$title."</a>";
  77         }
  78
  79         function img($src='#void', $title='img', $options='width=64') {
  80                 $options = $options ? " $options" : '';
  81                 return "<img src='$src' alt='$title' title='$title'$options; />";
  82         }
  83
  84         function img_link($src, $link='#void', $title='img_link', $internal=true, $translate=true, $options='width=64') {
  85                 return $this->link($this->img($src,$title,$options),$link,$internal,$translate);
  86         }
  87
  88         function textarea($name=false, $value='', $placeholder=false, $options=false, $prefix='') {
  89                 $html = T($prefix)."<textarea";
  90                 if($name) $html.= " name='$name'";
  91                 if($options) $html.= " $options";
  92                 if($placeholder) $html.= " placeholder='$placeholder'";
  93                 $html .= ">$value</textarea>";
  94                 return $html;
  95         }
  96
  97         function input($name=false, $value=false, $type='text', $placeholder=false, $options=false, $prefix='') {
  98                 if($type == 'textarea') return $this->textarea($name, $value, $placeholder, $options, $prefix);
  99                 $html = T($prefix)."<input type='$type' ";
 100                 if($name) $html.= "name='$name' ";
 101                 if(!is_bool($value)) {
 102                         if($type == 'submit') $value = T($value);
 103                         $html.= "value='$value' ";
 104                 }
 105                 if($options) $html.= "$options ";
 106                 if($placeholder) $html.= "placeholder='$placeholder' ";
 107                 $html .= '/>';
 108                 return $html;
 109         }
 110
 111         function form($action=false, $method=false, $inputs, $options=false) {
 112                 $action = $action ? " action='$action'" : '';
 113                 $method = $method ? " method='$method'" : '';
 114                 $options = $options ? " $options" : '';
 115                 $html = "<form$action$method$options>";
 116                 foreach($inputs as $input) $html .= call_user_func_array(array($this,'input'), $input);
 117                 $html .= "</form>";
 118                 return $html;
 119         }
 120
 121         function select($name, $selectbox, $default=false) {
 122                 //echo('<pre>'); print_r($selectbox);
 123                 $html = "<select name='$name'>";
 124
 125                 if(!is_bool($default)) {
 126                         $value=$default; $title=$selectbox[$value];
 127                         $html .= "<option value='$value'>$value :: $title</option>";
 128                         unset($selectbox[$value]);
 129                 }
 130                 foreach($selectbox as $value => $title) {
 131                         $html .= "<option value='$value'>$value :: $title</option>";
 132                 }
 133                 $html .= "</select>";
 134                 return $html;
 135         }
 136
 137         function ul($items,$tag=ul,$head='',$class=false) {
 138                 $class = $class ? " class='$class'" : '';
 139                 $html = "$head<$tag$class>";
 140                 foreach($items as $key => $value) {
 141                         $html .= '<li>';
 142                         if(is_numeric($key)) {
 143                                 $html .= $value;
 144                         } else {
 145                                 $html .= $this->link($key,$value);
 146                         }
 147                         $html .= '</li>';
 148                 }
 149                 $html .= "</$tag>";
 150                 return $html;
 151         }
 152
 153         function div($html, $options) {
 154                 $options = $options ? " $options" : '';
 155                 return "<div$options>$html</div>";
 156         }
 157
 158         function favicon($url='/favicon.ico') {
 159                 return '<link rel="shortcut icon" href="'.$url.'" /><link href="'.$url.'" rel="icon" type="image/gif" />';
 160
 161         }
 162
 163         function head($title=false,$charset='UTF-8',$more='') {
 164                 $title = $title ? "\n<title>$title</title>" : '';
 165                 $html= '<head>';
 166                 $html.= '<meta http-equiv="Content-Type" content="text/html; charset='.$charset.'" />'.$title.$more;
 167                 $html.= $this->favicon(dirname($_SERVER['SCRIPT_NAME']).'/favicon.ico');
 168                 $html.= '</head>';
 169                 return $html;
 170         }
 171 }
 172
 173 /**
 174 * Trida poskytuje podpurne funkce pro generovani HTML kodu specificke pro sklad
 175 *
 176 * Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
 177 *
 178 * @package  Sklad_HTML
 179 * @author   Tomas Mudrunka
 180 */
 181 class Sklad_HTML extends HTML { //TODO: Split into few more methods
 182         function header($title='', $user=array()) {
 183                 $home = URL_HOME;
 184                 $script = $_SERVER['SCRIPT_NAME'];
 185                 $search = htmlspecialchars(@trim($_GET['q']));
 186                 $message = strip_tags(@trim($_GET['message']),'<a><b><u><i><br>');
 187                 $fortune = fortune();
 188                 $instance = INSTANCE_ID != '' ? '/'.INSTANCE_ID : '';
 189                 $user_id = htmlspecialchars($user['id']);
 190                 $user_gid = htmlspecialchars($user['gid']);
 191                 $user_name = htmlspecialchars($user['name']);
 192                 $time = date('r');
 193                 //$title = T($title); //TODO
 194
 195                 $html = $this->head("SōkoMan$title");
 196                 $html .= <<<EOF
 197 <h1 style="display: inline;"><a href="$script/">SōkoMan</a><small>$instance$title</small></h1>
 198 <div style="float:right; text-align:right;">
 199         Logged in as <b>$user_name</b> [UID: <b>$user_id</b>; GID: <b>$user_gid</b>]<br />
 200         Page loaded at $time
 201 </div>
 202
 203 <style type="text/css">
 204 * { font-family: arial; }
 205 td,body { background-color: white; }
 206 table { background-color: orange; border: orange; }
 207 a, a img { text-decoration:none; color: darkblue; border:none; }
 208 li a, a:hover { text-decoration:underline; }
 209 .tr_even td { background-color: lemonchiffon; }
 210 .item_status_stored td { font-weight:bold; }
 211 .item_status_deleted td { font-style:italic; }
 212
 213 .menu li {
 214         float: left;
 215         padding: 0.2em;
 216 }
 217
 218 .menu * li {
 219         float: none;
 220 }
 221
 222 .menu * menu {
 223         position: absolute;
 224         padding: 0.2em;
 225 }
 226
 227 .menu, .menu * menu {
 228         list-style: none;
 229 }
 230
 231 .menu * menu {
 232         border: 1px solid orange;
 233         display: none;
 234         margin: 0;
 235 }
 236
 237 .menu li:hover menu, .menu li:hover {
 238         display: block;
 239         background-color: yellow;
 240 }
 241
 242 </style>
 243
 244 <div>
 245 EOF;
 246
 247         $assistants=array();
 248         foreach(scandir(DIR_ASSISTANTS) as $item) {
 249                 if($item == '.' || $item == '..') continue;
 250                 $item = preg_replace('/\.inc\.php$/','',$item,-1,$count);
 251                 if($count) $assistants[$item] = "assistant/$item";
 252         }
 253
 254         $tables=array('item','model','category','producer','vendor','room','status');
 255
 256         foreach($tables as $table) {
 257                 $listable[$table] = $table;
 258                 $insertable[$table] = "$table/new";
 259         }
 260
 261         $html .= $this->ul(array(
 262                 'Home' => '',
 263                 'Logout' => '?logout',
 264                 0 => $this->ul($assistants,'menu',$this->link('Assistants','#')),
 265                 1 => $this->ul($insertable,'menu',$this->link('New','#')),
 266                 2 => $this->ul($listable,'menu',$this->link('List','#'))
 267         ),'menu', '', 'menu');
 268
 269         $html .= '<div style="float: right;">';
 270
 271         /*
 272         //TODO: Do we really need this?
 273         $html .= $this->form("$script/api/go", 'GET', array(
 274                 array('q','','text','smart id...', 'autofocus'),
 275                 array(false,'go','submit')
 276         ), 'style="float: left;"');
 277         */
 278
 279         $html .= $this->form('?', 'GET', array(
 280                 array('q',$search,'text','regexp...'),
 281                 array(false,'filter','submit')
 282         ), 'style="float: left;"');
 283
 284         $html .= $this->form("$script/item", 'GET', array(
 285                 array('q',$search,'text','regexp...','autofocus'),
 286                 array(false,'search','submit')
 287         ), 'style="float: left;"');
 288
 289         $html .= '</div>';
 290
 291         $html .= <<<EOF
 292 </div>
 293 <hr style="clear: both;" />
 294 <div style="background-color:#FFDDDD;">
 295         <font color="red">$message</font>
 296 </div>
 297 <div style="text-align:right; color:darkgreen;">
 298 $fortune
 299 </div>
 300 EOF;
 301
 302         return $html;
 303         }
 304
 305         function internal_url($link) {
 306                 return $_SERVER['SCRIPT_NAME'].'/'.$link;
 307         }
 308
 309         function table_add_images(&$table) {
 310                 $image = array('model_id');
 311                 foreach($table as $id => $row) {
 312                         foreach($image as $column) if(isset($table[$id][$column])) {
 313                                 $type = @array_shift(preg_split('/_/', $column));
 314                                 $src=URL_IMAGES."/$type/".$table[$id][$column].'.jpg';
 315                                 $table[$id][$type.'_image']=$this->img_link($src, $src, $table[$id][$column], false, false);
 316                         }
 317                 }
 318         }
 319
 320         function render_barcode($barcode,$opts=false) {
 321                 return $this->img_link($this->internal_url("barcode/$barcode"),$this->internal_url("barcode/$barcode"),$barcode,false,false,$opts);
 322         }
 323
 324         function table_add_barcodes(&$table) {
 325                 $image = array('model_barcode', 'item_serial');
 326                 foreach($table as $id => $row) {
 327                         foreach($image as $column) if(isset($table[$id][$column])) {
 328                                 $table[$id][$column]=$this->render_barcode($table[$id][$column]);
 329                         }
 330                 }
 331         }
 332
 333         function table_add_row_parameters(&$table, $param_col='_row_parameters') { //TODO: rename to table_add_row_classes()
 334                 $image = array('status_name' => ' item_status_');
 335                 foreach($table as $id => $row) {
 336                         foreach($image as $column => $param) if(isset($table[$id][$column])) {
 337                                 @$table[$id][$param_col] .= $param.$table[$id][$column];
 338                         }
 339                 }
 340         }
 341
 342         function table_add_relations(&$table, $class, $suffix_relations='_relations') {
 343                 $where_url = '%d/?where[%c]==%v';
 344                 $relations = array( //TODO: Autodetect???
 345                         'model' => array(
 346                                 'model_id' => array(array('item',$where_url),array('edit','model/%v/edit/')),
 347                                 'model_barcode' => array(array('store','assistant/%d?barcode=%v')),
 348                                 'model_name' => array(array('google','http://google.com/search?q=%v',true)) //TODO: add manufacturer to google query
 349                         ),
 350                         'item' => array(
 351                                 'item_serial' => array(array('dispose','assistant/%d?serial=%v','in_stock'),array('sell','assistant/%d?serial=%v','in_stock')),
 352                                 'item_id' => array(array('edit','item/%v/edit/'))
 353                         ),
 354                         'category'      => array('category_id' => array(array('item',$where_url), array('model',$where_url))),
 355                         'producer' => array('producer_id' => array(array('item',$where_url), array('model',$where_url))),
 356                         'vendor' => array('vendor_id' => array(array('item',$where_url))),
 357                         'room' => array('room_id' => array(array('item',$where_url))),
 358                         'status' => array('status_id' => array(array('item',$where_url)))
 359                 );
 360                 $relations_conditions=array(
 361                         'in_stock' => 'return(@$table[$id]["status_name"] == "stored");',
 362                         'not_sold' => 'return(@$table[$id]["status_name"] != "saled");',
 363                         'not_sold_or_disposed' => 'return(@$table[$id]["status_name"] != "saled" && @$table[$id]["status_name"] != "disposed");'
 364                 );
 365                 foreach($table as $id => $row) {
 366                         foreach($row as $column => $value) {
 367                                 if(isset($relations[$class][$column])) {
 368                                         foreach($relations[$class][$column] as $destination) {
 369                                                 $destination_url = str_replace(
 370                                                         array('%d','%c','%v'),
 371                                                         array(urlencode($destination[0]),urlencode($column),urlencode($value)),
 372                                                         $destination[1]
 373                                                 );
 374                                                 if(isset($destination[2]) && isset($relations_conditions[$destination[2]])) {
 375                                                         //$condition = $relations_conditions[$destination[2]]($table,$id);
 376                                                         if(!eval($relations_conditions[$destination[2]])) continue;
 377                                                 }
 378                                                 @$table[$id][$class.$suffix_relations] .= $this->link($destination[0], $destination_url).',';
 379                                         }
 380                                 }
 381                         }
 382                 }
 383         }
 384
 385         function table_collapse(&$table) {
 386                 $collapse = array(
 387                         'item_id' => 'item_id',
 388                         'model_id' => 'model_name',
 389                         'category_id' => 'category_name',
 390                         'producer_id' => 'producer_name',
 391                         'vendor_id' => 'vendor_name',
 392                         'room_id' => 'room_name',
 393                         'status_id' => 'status_name',
 394                         'item_author' => 'item_author_backend',
 395                         'item_customer' => 'item_customer',
 396                 );
 397
 398                 foreach($table as $id => $row) {
 399                         foreach($collapse as $link => $title)
 400                                 if(isset($table[$id][$link]) && isset($row[$title])) {
 401                                         $type = @array_shift(preg_split('/_/', $link));
 402                                         if($link != $title) unset($table[$id][$link]);
 403                                         switch($link) { //TODO: Move to array for easy configuration
 404                                                 case 'item_author':
 405                                                 case 'item_customer':
 406                                                         $table[$id][$title]=$this->link($row[$title], "?where[$link]==".$row[$link], false);
 407                                                         break;
 408                                                 default:
 409                                                         $table[$id][$title]=$this->link($row[$title], $type.'/'.$row[$link].'/');
 410                                                         break;
 411                                         }
 412                                 }
 413                 }
 414         }
 415
 416         function table_sort(&$table) {
 417                 $precedence = array('item_id', 'model_image', 'model_name','model_descript','category_name','status_name','room_name','item_quantity','item_price_in','item_price_out','model_price_in','model_price_out','item_relations','model_relations');
 418                 $table_sorted = array();
 419                 foreach($table as $id => $row) {
 420                         $table_sorted[$id] = array();
 421                         foreach($precedence as $column) if(isset($table[$id][$column])) {
 422                                 $table_sorted[$id][T($column)]=$table[$id][$column];
 423                                 unset($table[$id][$column]);
 424                         }
 425                         //$table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
 426                         foreach($table[$id] as $key => $val) $table_sorted[$id][T($key)] = $val; //array_merge with T() translating
 427                 }
 428                 $table = $table_sorted;
 429         }
 430
 431         function table_hide_columns(&$table, $class) { //TODO: Move to build_query_select() !!! :-)))
 432                 $fields_hide = array(
 433                         'item' => array('model_descript','model_price_in','model_price_out','model_barcode','model_countable','model_reserve','model_eshop_hide','room_descript','room_author','producer_name','producer_note','vendor_note')
 434                 );
 435                 //print_r($table); die();
 436                 if(isset($fields_hide[$class])) foreach($table as $id => $row) {
 437                         foreach($fields_hide[$class] as $field) unset($table[$id][$field]);
 438                 }
 439         }
 440
 441         function render_item_table($table,$class=false) {
 442                 if(empty($table)) return '<h3>'.T('holy primordial emptiness is all you can find here...').'</h3><br />';
 443                 $this->table_add_row_parameters($table);
 444                 $this->table_add_images($table);
 445                 if($class) $this->table_add_relations($table,$class);
 446                 $this->table_add_barcodes($table);
 447                 $this->table_collapse($table);
 448                 if($class) $this->table_hide_columns($table,$class);
 449                 $this->table_sort($table);
 450                 return $this->table($table);
 451         }
 452
 453         function render_insert_inputs($class,$columns,$selectbox,$current,$hidecols,$update) {
 454                 $textarea = array(
 455                         'item' => array('item_note'),
 456                         'model' => array('model_descript')
 457                 );
 458                 $html = '';
 459                 foreach($columns as $column)    {
 460                         $html.=T($class).':<b>'.T($column['Field']).'</b>: ';
 461                         $name="values[$class][".$column['Field'].'][]';
 462                         $val = $update && isset($current[$column['Field']]) ? $current[$column['Field']] : false;
 463                         switch(true) {
 464                                 case (preg_match('/auto_increment/', $column['Extra']) || in_array($column['Field'], $hidecols)):
 465                                         if(is_bool($val) && !$val) $val = '';
 466                                         $html.=$this->input($name, $val, 'hidden');
 467                                         $html.=$val.'(AUTO)';
 468                                         break;
 469                                 case isset($selectbox[$column['Field']]):
 470                                         $html.=$this->select($name,$selectbox[$column['Field']],$val);
 471                                         break;
 472                                 case isset($textarea[$class]) && in_array($column['Field'],$textarea[$class]):
 473                                         $html.=$this->input($name, $val, 'textarea');
 474                                         break;
 475                                 default:
 476                                         $html.=$this->input($name, $val);
 477                                         break;
 478                         }
 479                         $html.='<br />';
 480                 }
 481                 return $html;
 482         }
 483
 484         function render_insert_form_multi($array) {
 485                 $html = '';
 486                 $head=false;
 487
 488                 foreach($array as $key => $args) {
 489                         $parts=array('inputs');
 490                         if(!$head) { $head = true;
 491                                 $parts[]='head';
 492                         }
 493                         if(!isset($array[$key+1])) {
 494                                 $parts[]='foot';
 495                                 $hr = '';
 496                         } else $hr = '<hr />';
 497                         //$args[] = false;
 498                         $args[] = $parts;
 499
 500                         $html .= call_user_func_array(array($this, 'render_insert_form'), $args);
 501                         $html .= $hr;
 502                 }
 503                 return $html;
 504         }
 505
 506         function render_insert_form($class, $columns, $selectbox=array(), $current=false, $hidecols=false, $action=false, $multi_insert=true, $parts=false) {
 507                 $html = '';
 508                 //print_r($parts);
 509                 //echo('<pre>'); print_r($selectbox);
 510                 //echo('<pre>'); print_r($current);
 511                 $update = false;
 512                 if(is_array($current)) {
 513                         $update = true;
 514                         $current = array_shift($current);
 515                 }
 516
 517                 if(!is_array($hidecols)) $hidecols = array();
 518                 $hidecols = array_merge($hidecols, array('item_author', 'item_valid_from', 'item_valid_till')); //TODO Autodetect
 519
 520                 if(!is_array($parts) || in_array('head', $parts)) {
 521                         $action = $action ? " action='$action'" : false;
 522                         $html.="<form$action method='POST'>"; //TODO: use $this->form()
 523                         $html.='<span><div name="input_set" style="float:left; border:1px solid grey; padding: 1px; margin: 1px;">';
 524                 }
 525
 526                 if(!is_array($parts) || in_array('inputs', $parts))
 527                         $html.=$this->render_insert_inputs($class,$columns,$selectbox,$current,$hidecols,$update);
 528
 529                 if(!is_array($parts) || in_array('foot', $parts)) {
 530                         $html .= '</div></span><br style="clear:both" />';
 531                         if($multi_insert) { //TODO, move to separate JS file
 532                                 $html.=<<<EOF
 533                                 <script>
 534                                         function duplicate_element(what, where) {
 535                                                 var node = document.getElementsByName(what)[0];
 536                                                 node.parentNode.appendChild(node.cloneNode(true));
 537                                         }
 538                                 </script>
 539                                 <a href='#' onClick="duplicate_element('input_set')">+</a>
 540 EOF;
 541                         }
 542
 543                         $btn = is_array($current) ? 'UPDATE' : 'INSERT'; //TODO: $current may be set even when inserting...
 544                         $html.=$this->input(false, $btn, 'submit');
 545                         $html.='</form>';
 546                 }
 547                 return $html;
 548         }
 549 }
 550
 551 /**
 552 * Trida poskytuje rozhrani k databazi skladu
 553 *
 554 * @package  Sklad_DB
 555 * @author   Tomas Mudrunka
 556 */
 557 class Sklad_DB extends PDO {
 558         function __construct() {
 559                 $this->auth = new Sklad_Auth();
 560
 561                 parent::__construct(
 562                         DB_DSN, DB_USER, DB_PASS,
 563                         array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8") //Force UTF8 for MySQL
 564                 );
 565         }
 566
 567         function escape($str) {
 568                 return preg_replace('(^.|.$)', '', $this->quote($str)); //TODO HACK
 569         }
 570
 571         function quote_identifier($str) {
 572                 return '`'.$this->escape($str).'`'; //TODO HACK
 573         }
 574
 575         function build_query_select($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $order=false, $suffix_id='_id') {
 576                 //Configuration
 577                 $join = array(
 578                         'item'  => array('model', 'category', 'producer', 'vendor', 'room', 'status'),
 579                         'model' => array('category', 'producer')
 580                 ); //TODO Autodetect using foreign keys?
 581                 $fields_search = array(
 582                         'item'  => array('item_id','item_serial','model_name','model_barcode','model_descript','producer_name','vendor_name'),
 583                         'model' => array('model_id','model_name','model_barcode','model_descript','producer_name')
 584                 ); //TODO Autodetect
 585
 586                 //Init
 587                 if(is_array($where)) foreach($where as $key => $value) $where[$key] = $key.' '.$value; //TODO: escape SQLi!!!
 588
 589                 //Escaping
 590                 $class = $this->escape($class);
 591
 592                 //SELECT
 593                 $sql="SELECT * FROM `$class`\n";
 594                 //JOIN
 595                 if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN `$j` USING($j$suffix_id)\n";
 596                 //WHERE/REGEXP
 597                 if($search) {
 598                         $search = $this->quote($search);
 599                         if(!isset($fields_search[$class])) die(trigger_error(T("Can't search in $class table yet :-("))); //TODO: post_redirect_get
 600                         $sql_search = '';
 601                         foreach($fields_search[$class] as $column) $sql_search .= "OR $column REGEXP $search ";
 602                         $where[] = "FALSE $sql_search";
 603                 }       elseif($id) $where[] = "$class$suffix_id = $id";
 604                 if(!$history && $this->contains_history($class)) $where[] = $class.'_valid_till=0';
 605
 606                 if($where) $sql .= 'WHERE ('.implode(') AND (', $where).")\n";
 607                 //ORDER
 608                 if(!$order) $order = $class.$suffix_id.' DESC';
 609                 if($this->contains_history($class)) $order .= ",${class}_valid_from DESC";
 610                 $sql .= "ORDER BY $order\n";
 611                 //LIMIT/OFFSET
 612                 if($limit) {
 613                         $limit = $this->escape((int)$limit);
 614                         $offset = $this->escape((int)$offset);
 615                         $sql .= "LIMIT $offset,$limit\n";
 616                 }
 617
 618                 return $sql;
 619         }
 620
 621         function safe_query($sql, $fatal=true) {
 622                 $result = $this->query($sql);
 623                 if(!$result) {
 624                         $error = $this->errorInfo();
 625                         trigger_error("<font color=red><b>QUERY FAILED ($error[0],$error[1]): </b>$error[2]<br /><br /><b>QUERY:</b>\n<pre>$sql</pre></font>");
 626                         if($fatal) die();
 627                 }
 628                 return $result;
 629         }
 630
 631         function translate_query_results(&$result) {
 632                 $translate_cols = array('item_valid_till'); //TODO: Hardcoded
 633                 foreach($result as $key => $row) {
 634                         foreach($translate_cols as $col) if(isset($result[$key][$col])){
 635                                 $result[$key][$col] = T($result[$key][$col]);
 636                         }
 637                 }
 638         }
 639
 640         function load_backend_data_to_query_results(&$result,$suffix_backend='_backend') {
 641                 $translate_cols = array(
 642                         'item_author' => 'return($this->auth->get_username_by_id($result[$key][$col]));'
 643                 ); //TODO: Hardcoded
 644                 foreach($result as $key => $row) {
 645                         foreach($translate_cols as $col => $backend) if(isset($result[$key][$col])){
 646                                 $result[$key][$col.$suffix_backend] = eval($backend);
 647                         }
 648                 }
 649         }
 650
 651         function safe_query_fetch($sql, $fatal=true, $fetch_flags = PDO::FETCH_ASSOC, $translate=true) {
 652                 $result = $this->safe_query($sql, $fatal)->fetchAll($fetch_flags);
 653                 $this->load_backend_data_to_query_results($result);
 654                 if($translate) $this->translate_query_results($result);
 655                 return $result;
 656         }
 657
 658         function get_listing($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false, $indexed=array(), $suffix_id='_id') {
 659                 $sql = $this->build_query_select($class, $id, $limit, $offset, $where, $search, $history);
 660                 $result = $this->safe_query_fetch($sql);
 661                 if(!$result || !is_array($indexed)) return $result;
 662
 663                 foreach($result as $key => $row) $indexed[$row[$class.$suffix_id]]=$row;
 664                 return $indexed;
 665         }
 666
 667         function get_columns($class,$disable_cols=array()) { //TODO: Not sure if compatible with non-MySQL DBs
 668                 $class = $this->escape($class);
 669                 $sql = "SHOW COLUMNS FROM $class;";
 670                 $columns = $this->safe_query_fetch($sql);
 671                 /*foreach($columns as $colk => $col) foreach($col as $key => $val) {
 672                         if(in_array($col['Field'],$disable_cols)) $columns[$colk]['Extra']='auto_increment';
 673                 }*/
 674                 return $columns;
 675         }
 676
 677         function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
 678                 $selectbox=array( //TODO: Hardcoded...
 679                         'model_countable' => array(0 => 'no', 1 => 'yes'),
 680                         'model_eshop_hide' => array(0 => 'no', 1 => 'yes'),
 681                         'vendor_id' => array('COMPULSORY' => 'select...')
 682                 );
 683                 foreach($columns as $column) {
 684                         if($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)!
 685                         if($class && $column['Field'] == $class.$suffix_id) continue;
 686                         if(!preg_match('/'.$suffix_id.'$/', $column['Field'])) continue;
 687                         $table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
 688
 689                         $history = $this->contains_history($table) ? " WHERE ${table}_valid_till=0" : '';
 690                         $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table$history;"; //TODO use build_query_select()!!!
 691                         $result = $this->safe_query_fetch($sql, false);
 692                         if(!$result) continue;
 693                         foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
 694                 }
 695                 //echo('<pre>'); print_r($selectbox);
 696                 return array_filter($selectbox, 'ksort');
 697         }
 698
 699         function map_unique($key, $value, $select, $table, $fatal=true) { //TODO: Guess $select and $table if not passed
 700                 $history = $this->contains_history($table) ? " AND ${table}_valid_till=0" : '';
 701                 $value=$this->quote($value);
 702                 $sql = "SELECT $select FROM $table WHERE $key=$value$history LIMIT 1;"; //TODO use build_query_select()!!!
 703                 $result = $this->safe_query_fetch($sql);
 704                 if(isset($result[0][$select])) return $result[0][$select]; else if($fatal) die(trigger_error(T('Record not found!'))); //TODO post_redirect_get...
 705         }
 706
 707         function contains_history($table) {
 708                 $history_tables = array('item'); //TODO Autodetect
 709                 return in_array($table, $history_tables);
 710         }
 711
 712         function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
 713                 //Init
 714                 $history = $this->contains_history($table);
 715
 716                 //Escaping
 717                 $table = $this->escape($table);
 718
 719                 //Get list of POSTed columns
 720                 $columns_array = array_map(array($this,'escape'), array_keys($values[0]));
 721                 $columns = implode(',',$columns_array);
 722
 723                 //Build query
 724                 $sql = '';
 725                 //echo('<pre>'); die(print_r($values));
 726
 727                 if($history) {
 728                         $history_update=false;  foreach($values as $row) if(is_numeric($row[$table.'_id'])) $history_update=true;
 729                         if($history_update) {
 730                                 $sql .= "UPDATE $table";
 731                                 $sql .= " SET ${table}_valid_till=NOW()";
 732                                 $sql .= " WHERE ${table}_valid_till=0 AND (";
 733                                 $or = '';
 734                                 foreach($values as $row) {
 735                                         $sql .= $or.' '.$table.'_id='.$this->quote($row[$table.'_id']);
 736                                         $or = ' OR';
 737                                 }
 738                                 $sql .= " );\n\n";
 739                                 $replace = false;
 740                         }
 741                 }
 742
 743                 //Insert into table (columns)
 744                 $sql .= "INSERT INTO $table ($columns) VALUES ";
 745
 746                 //Values (a,b,c),(d,e,f)
 747                 $comma='';
 748                 foreach($values as $row) {
 749                         $row_quoted = array_map(array($this,'quote'), $row); //Check
 750                         if($history) {
 751                                 foreach($row as $column => $value) {
 752                                         switch($column) {
 753                                                 case $table.'_valid_from':
 754                                                         $row_quoted[$column] = 'NOW()';
 755                                                         break;
 756                                                 case $table.'_valid_till':
 757                                                         $row_quoted[$column] = '0';
 758                                                         break;
 759                                                 case $table.'_author':
 760                                                         $row_quoted[$column] = $this->auth->get_user_id();
 761                                                         //die($this->auth->get_user_id().'=USER');
 762                                                         break;
 763                                         }
 764                                 }
 765                         }
 766                         $sql .= $comma.'('.implode(',',$row_quoted).')';
 767                         $comma = ',';
 768                 }
 769
 770                 //On duplicate key
 771                 if($replace) {
 772                         foreach($columns_array as $col) {
 773                                 if($col == $table.'_id' || $col == $table.'_valid_till') continue;
 774                                 $on_duplicate[] = "$col=VALUES($col)";
 775                         }
 776                         $sql .= "\nON DUPLICATE KEY UPDATE ".implode(',', $on_duplicate);
 777                 }
 778
 779                 //Terminate
 780                 $sql .= ';';
 781                 return $sql;
 782         }
 783
 784         function insert_or_update($table, $values, $replace=true) {
 785                 $sql = $this->build_query_insert($table, $values, $replace);
 786                 $this->safe_query($sql);
 787                 return $this->lastInsertId();
 788         }
 789
 790         function insert_or_update_multitab($values, $replace=true) {
 791                 $last=false;
 792                 foreach($values as $table => $rows) $last = $this->insert_or_update($table, $rows, $replace);
 793                 return $last;
 794         }
 795
 796         function delete($table, $id, $suffix_id='_id') {
 797                 if($this->contains_history($table)) return false;
 798                 $key = $this->escape($table.$suffix_id);
 799                 $table = $this->escape($table);
 800                 $id = $this->quote($id);
 801                 return $this->safe_query("DELETE FROM $table WHERE $key = $id LIMIT 1;");
 802         }
 803 }
 804
 805 /**
 806 * Trida poskytuje high-level rozhrani k databazi skladu
 807 *
 808 * @package  Sklad_DB_Abstract
 809 * @author   Tomas Mudrunka
 810 */
 811 class Sklad_DB_Abstract extends Sklad_DB {
 812         //TODO Code
 813 }
 814
 815 /**
 816 * Trida implementuje uzivatelske rozhrani skladu
 817 *
 818 * Example usage:
 819 * $sklad = new Sklad_UI();
 820 * $sklad->process_http_request();
 821 *
 822 * @package  Sklad_UI
 823 * @author   Tomas Mudrunka
 824 */
 825 class Sklad_UI {
 826         function __construct() {
 827                 $this->db = new Sklad_DB();
 828                 $this->html = new Sklad_HTML();
 829         }
 830
 831         function render_items($class, $id=false, $limit=false, $offset=0, $where=false, $search=false, $history=false) {
 832                 return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $where, $search, $history, false),$class);
 833         }
 834
 835         function render_form_add($class) {
 836                 $columns = $this->db->get_columns($class);
 837                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 838                 return $this->html->render_insert_form($class, $columns, $selectbox);
 839         }
 840
 841         function render_form_edit($class, $id, $multi_insert) {
 842                 $columns = $this->db->get_columns($class);
 843                 $selectbox = $this->db->columns_get_selectbox($columns, $class);
 844                 $current = $this->db->get_listing($class, $id, 1);
 845                 return $this->html->render_insert_form($class, $columns, $selectbox, $current, false, false, $multi_insert);
 846         }
 847
 848         function render_single_record_details($class, $id) {
 849                 $id_next = $id + 1;
 850                 $id_prev = $id - 1 > 0 ? $id - 1 : 0;
 851                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 852                 $html='';
 853                 $html.= $this->html->link('<<', "$class/$id_prev/");
 854                 $html.= '-';
 855                 $html.= $this->html->link('>>', "$class/$id_next/");
 856                 $html.= '<br />';
 857                 $html.='<span style="float:right;">'.$this->html->render_barcode(BARCODE_PREFIX.strtoupper("$class/$id")).'</span>';
 858                 $html.= $this->html->link('edit', "$class/$id/edit/");
 859                 if($this->db->contains_history($class)) $html.= ' ][ '.$this->html->link('history', "$class/$id/history/");
 860                 return $html;
 861         }
 862
 863         function render_listing_navigation($class, $id, $limit, $offset) {
 864                 $offset_next = $offset + $limit;
 865                 $offset_prev = $offset - $limit > 0 ? $offset - $limit : 0;
 866                 $get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
 867                 $html='';
 868                 $html.= $this->html->link('<<', "$class/$id/$limit/$offset_prev/$get");
 869                 $html.= '-';
 870                 $html.= $this->html->link('>>', "$class/$id/$limit/$offset_next/$get");
 871                 $html.= '<br />';
 872                 $html.= $this->html->link('new', "$class/new/$get");
 873                 return $html;
 874         }
 875
 876         function render_listing_extensions($class, $id, $limit, $offset, $edit=false) {
 877                 $html='';
 878                 if(is_numeric($id)) {
 879                         $html.=$this->render_single_record_details($class, $id);
 880                 } else {
 881                         $html.=$this->render_listing_navigation($class, '*', $limit, $offset);
 882                 }
 883                 if($edit)       {
 884                         $html.= $this->render_form_edit($class, $id, false);
 885                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
 886                         $html.=$this->html->form($action,'POST',array(
 887                                 array(false,'DELETE','submit'),
 888                                 array('sure', false, 'checkbox', false, false, 'sure?')
 889                         ));
 890                         $action = $_SERVER['SCRIPT_NAME']."/$class/$id/image";
 891                         $html.=$this->html->form($action,'POST',array(
 892                                 array('image', false, 'file', false, 'size="30"'),
 893                                 array(false, 'IMAGE', 'submit')
 894                         ), "enctype='multipart/form-data'");
 895                 }
 896                 return $html;
 897         }
 898
 899         function check_auth() {
 900                 new HTTP_Auth('WareHouse ['.BACKEND_AUTH.']', true, array($this->db->auth,'check_auth'));
 901         }
 902
 903         function post_redirect_get($location, $message='', $error=false, $translate=true) {
 904                 $messaget = $translate ? T($message) : $message;
 905                 $url_args = $messaget != '' ? '?message='.urlencode($messaget) : '';
 906                 $location = $this->html->internal_url($location).$url_args;
 907                 header('Location: '.$location);
 908                 if($error) trigger_error($message);
 909                 $location=htmlspecialchars($location);
 910                 die(
 911                         "<meta http-equiv='refresh' content='0; url=$location'>".
 912                         $messaget."<br />Location: <a href='$location'>$location</a>"
 913                 );
 914         }
 915
 916         function safe_include($dir,$name,$vars=array(),$ext='.inc.php') {
 917                 if(preg_match('/[^a-zA-Z0-9-]/',$name)) $this->post_redirect_get('', 'SAFE INCLUDE: Securityfuck.', true);
 918                 $filename="$dir/$name$ext";
 919                 if(!is_file($filename)) $this->post_redirect_get('', 'SAFE INCLUDE: Fuckfound.', true);
 920                 foreach($vars as $var => $val) $$var=$val;
 921                 ob_start();
 922                 include($filename);
 923                 $out=ob_get_contents();
 924                 ob_end_clean();
 925                 return $out;
 926         }
 927
 928         function check_input_validity($field, $value='', $ruleset=0) {
 929                 $rules = array(0 => array(
 930                         'model_barcode' => '/./',
 931                         'item_serial' => '/./',
 932                         'vendor_id' => '/^[0-9]*$/'
 933                 ));
 934                 if(isset($rules[$ruleset][$field]) && !preg_match($rules[$ruleset][$field], trim($value))) return false;
 935                 return true;
 936         }
 937
 938         function process_http_request_post($action=false, $class=false, $id=false, $force_redirect=false) {
 939                 if($_SERVER['REQUEST_METHOD'] != 'POST') return;
 940                 //echo('<pre>'); //DEBUG (maybe todo remove), HEADERS ALREADY SENT!!!!
 941
 942                 //SephirPOST:
 943
 944                 /* Tenhle foreach() prekopiruje promenne
 945                  * z:           $_POST['values'][$table][$column][$id];
 946                  * do:  $values[$table][$id][$column]
 947                  */
 948                 if(isset($_POST['values'])) {
 949                         $values=array();
 950                         foreach($_POST['values'] as $table => $columns) {
 951                                 foreach($columns as $column => $ids) {
 952                                         foreach($ids as $id => $val) {
 953                                                 $values[$table][$id][$column] = trim($val);
 954                                                 if(!$this->check_input_validity($column,$val)) {
 955                                                         $message = "Spatny vstup: $column [$id] = \"$val\"; ". //XSS
 956                                                                 $this->html->link('GO BACK', 'javascript:history.back()', false, false);
 957                                 $this->post_redirect_get('', $message, false, false);
 958                                                 }
 959                                         }
 960                                 }
 961                         }
 962                         //die(print_r($values));
 963                 }
 964
 965                 if($action) switch($action) {
 966                         case 'new':
 967                                 $replace = false;
 968                         case 'edit':
 969                                 if(!isset($replace)) $replace = true;
 970                                 $table = $class ? $class : 'item';
 971                                 //print_r($values); //debug
 972                                 $last = $this->db->insert_or_update_multitab($values, $replace);
 973                                 $last = $force_redirect ? $force_redirect."?last=$last" : "$table/$last/";
 974                                 $next = "$table/new/";
 975                                 $message = $force_redirect ? '' : 'Hotovo. Další záznam přidáte '.$this->html->link('zde', $next).'.';
 976                                 $this->post_redirect_get($last, $message);
 977                                 break;
 978                         case 'delete':
 979                                 if(!isset($_POST['sure']) || !$_POST['sure']) $this->post_redirect_get("$class/$id/edit", 'Sure user expected :-)');
 980                                 $this->db->delete($class, $id) || $this->post_redirect_get("$class/$id/edit", "V tabulce $class jentak neco mazat nebudes chlapecku :-P");
 981                                 $this->post_redirect_get("$class", "Neco (pravdepodobne /$class/$id) bylo asi smazano. Fnuk :'-(");
 982                                 break;
 983                         case 'image':
 984                                 $image_classes = array('model'); //TODO, use this more widely across the code
 985                                 if(!in_array($class, $image_classes)) $this->post_redirect_get("$class/$id/edit", "Nekdo nechce k DB Tride '$class' prirazovat obrazky!");
 986                                 $image_destination = DIR_IMAGES."/$class/$id.jpg";
 987                                 if($_FILES['image']['name'] == '') $this->post_redirect_get("$class/$id/edit", 'Everything has to be called somehow!', true);
 988                                 if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
 989                                         chmod ($image_destination, 0664);
 990                                         $this->post_redirect_get("$class/$id", 'Image has been upbloated successfully :)');
 991                                 } else $this->post_redirect_get("$class/$id/edit", 'File upload failed :(', true);
 992                                 break;
 993                         default:
 994                                 $this->post_redirect_get('', 'Nothin\' to do here my cutie :-*');
 995                                 break;
 996                 }
 997
 998                 die('POSTed pyčo!');
 999         }
1000
1001         function process_http_request() {
1002                 $this->check_auth();
1003
1004                 @ini_set('magic_quotes_gpc' , 'off');
1005                 if(get_magic_quotes_gpc()) {
1006                         die(trigger_error("Error: magic_quotes_gpc needs to be disabled! F00K!"));
1007                 }
1008
1009                 $PATH_INFO=@trim($_SERVER[PATH_INFO]);
1010                 if($PATH_INFO == '' || $PATH_INFO == '/') $PATH_INFO = FRONTEND_PAGE_WELCOME;
1011                 $PATH_CHUNKS = preg_split('/\//', $PATH_INFO);
1012                 //Sephirot:
1013                 if(!isset($PATH_CHUNKS[1])) $PATH_CHUNKS[1]='';
1014                 if($_SERVER['REQUEST_METHOD'] != 'POST' && $PATH_CHUNKS[1]!='barcode' && $PATH_CHUNKS[1]!='api') //TODO: tyhle podminky naznacujou, ze je v navrhu nejaka drobna nedomyslenost...
1015                         echo $this->html->header($PATH_INFO,$this->db->auth->get_user());
1016                 switch($PATH_CHUNKS[1]) { //TODO: Move some branches to plugins if possible
1017                         case 'test':    //test
1018                                 die('Tell me why you cry');
1019                                 break;
1020                         case 'assistant': case 'api': //assistant|api
1021                                 $incdirs = array(
1022                                         'assistant'     => DIR_ASSISTANTS,
1023                                         'api'   => DIR_APIS
1024                                 );
1025                                 $PATH_CHUNKS[3] = isset($PATH_CHUNKS[3]) ? trim($PATH_CHUNKS[3]) : false;
1026                                 $assistant_vars['SUBPATH'] = array_slice($PATH_CHUNKS, 3);
1027                                 $assistant_vars['URL_INTERNAL'] = 'assistant/'.$PATH_CHUNKS[2];
1028                                 $assistant_vars['URL'] = $_SERVER['SCRIPT_NAME'].'/'.$assistant_vars['URL_INTERNAL'];
1029                                 $assistant_vars['ASSISTANT'] = $PATH_CHUNKS[2];
1030                                 echo $this->safe_include($incdirs[$PATH_CHUNKS[1]],$PATH_CHUNKS[2],$assistant_vars);
1031                                 break;
1032                         case 'barcode': //barcode
1033                                 Barcode::download_barcode(implode('/',array_slice($PATH_CHUNKS, 2)));
1034                                 break;
1035                         default:        //?
1036                                 $search = (isset($_GET['q']) && trim($_GET['q']) != '') ? trim($_GET['q']) : false;
1037                                 $class  = (isset($PATH_CHUNKS[1]) && $PATH_CHUNKS[1] != '') ? $PATH_CHUNKS[1] : 'item';
1038                                 if(!isset($PATH_CHUNKS[2])) $PATH_CHUNKS[2]='';
1039                                 switch($PATH_CHUNKS[2]) {
1040                                         case 'new':     //?/new
1041                                                 $this->process_http_request_post($PATH_CHUNKS[2], $class);
1042                                                 echo $this->render_form_add($class);
1043                                                 break;
1044                                         default:        //?/?
1045                                                 $id     = (isset($PATH_CHUNKS[2]) && is_numeric($PATH_CHUNKS[2]) ? (int) $PATH_CHUNKS[2] : false);
1046                                                 if(!isset($PATH_CHUNKS[3])) $PATH_CHUNKS[3]='';
1047                                                 $edit=false;
1048                                                 switch($PATH_CHUNKS[3]) {
1049                                                         case 'edit':    //?/?/edit
1050                                                         case 'image':   //?/?/image
1051                                                         case 'delete':  //?/?/delete
1052                                                                 $this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
1053                                                                 $edit=true;
1054                                                         default:        //?/?/?
1055                                                                 $history = $PATH_CHUNKS[3] == 'history' ? true : false;
1056                                                                 $limit  = is_numeric($PATH_CHUNKS[3]) ? (int) $PATH_CHUNKS[3] : FRONTEND_LISTING_LIMIT;
1057                                                                 $offset = isset($PATH_CHUNKS[4]) ? (int) $PATH_CHUNKS[4] : 0;
1058                                                                 $where = @is_array($_GET['where']) ? $_GET['where'] : false;
1059                                                                 echo $this->render_items($class, $id, $limit, $offset, $where, $search, $history);
1060                                                                 echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
1061                                                                 //print_r(array("<pre>",$_SERVER));
1062                                                                 break;
1063                                                 }
1064                                                 break;
1065                                 }
1066                                 break;
1067                 }
1068         }
1069 }
1070
1071 $sklad = new Sklad_UI();
1072 $sklad->process_http_request();
1073
1074 echo('<br style="clear:both;" /><hr />');