[mirrors/SokoMan.git] / index.php

<?php
/*
 * SkladovySystem - Storage management system compatible with LMS
 * Copyright (C) 2011  Tomas Mudrunka
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

require_once('sklad.conf.php');
require_once('Sklad_LMS-fake.class.php');
require_once('HTTP_Auth.class.php');

/**
* Trida poskytuje podpurne funkce pro generovani HTML kodu specificke pro sklad
*
* Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
*
* @package  Sklad_HTML
* @author   Tomas Mudrunka
*/
class Sklad_HTML {
	function header($title='') {
		$home = URL_HOME;
		$script = $_SERVER['SCRIPT_NAME'];
		$search = @trim($_GET['q']);
		return <<<EOF
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<h1><a href="$script/">SystémSklad</a><small>$title</small></h1>
<div>
	<menu>
		<li><a href="?logout">Logout</a></li>
		<li><a href="$script/">Home</a></li>
	</menu>
	<form action="?" method="GET">
		<input type="text" name="q" placeholder="regexp..." value="$search" />
		<input type="submit" value="filter" />
	</form>
	<!-- form action="$script/" method="GET">
		<input type="text" name="q" placeholder="regexp..." value="$search" />
		<input type="submit" value="search items" />
	</form -->
</div>
EOF;
	}

	function row($row) {
		$html='<tr>';
		foreach($row as $var) {
			if(trim($var) == '') $var = '&nbsp;';
			$html.="<td>$var</td>";
		}
		$html.='</tr>';
		return $html;
	}

	function table(&$table, $params='border=1') {
		$html="<table $params>";
		$header=true;
		foreach($table as $row) {
			if($header) {
				$html.=$this->row(array_keys($row));
				$header=false;
			}
			$html.=$this->row($row);
		}
		$html.='</table>';
		return $html;
	}

	function link($title='n/a', $link='#void', $internal=true) {
		if($internal) $link = $_SERVER['SCRIPT_NAME'].'/'.$link;
		return "<a href='$link'>$title</a>";
	}

	function img($src='#void', $title='img') {
		return "<img src='$src' alt='$title' title='$title' width=64 />";
	}

	function table_add_images(&$table) {
		$image = array('model_id');
		foreach($table as $id => $row) {
			foreach($image as $column) if(isset($table[$id][$column])) {
				$type = @array_shift(preg_split('/_/', $column));
				$src=URL_IMAGES."/$type/".$table[$id][$column].'.jpg';
				$table[$id][$type.'_image']=$this->img($src, $table[$id][$column]);
			}
		}
	}

	function table_collapse(&$table) {
		$collapse = array(
			'item_id' => 'item_id',
			'model_id' => 'model_name',
			'category_id' => 'category_name',
			'producer_id' => 'producer_name',
			'vendor_id' => 'vendor_name',
			'room_id' => 'room_name',
			'status_id' => 'status_name',
		);
		foreach($table as $id => $row) {
			foreach($collapse as $link => $title)
				if(isset($table[$id][$link])) {
					$type = @array_shift(preg_split('/_/', $link));
					if($link != $title) unset($table[$id][$link]);
					$table[$id][$title]=$this->link($row[$title], $type.'/'.$row[$link].'/');
				}
		}
	}

	function table_sort(&$table) {
		$precedence = array('item_id', 'model_image', 'model_name','model_descript','category_name','status_name','room_name');
		$table_sorted = array();
		foreach($table as $id => $row) {
			$table_sorted[$id] = array();
			foreach($precedence as $column) if(isset($table[$id][$column])) {
				$table_sorted[$id][$column]=$table[$id][$column];
				unset($table[$id][$column]);
			}
			$table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
		}
		$table = $table_sorted;
	}

	function render_item_table($table) {
		$this->table_add_images($table);
		$this->table_collapse($table);
		$this->table_sort($table);
		return $this->table($table);
	}

	function input($name=false, $value=false, $type='text', $placeholder=false, $options=false) {
		$html = "<input type='$type' ";
		if($name) $html.= "name='$name' ";
		if(!is_bool($value)) $html.= "value='$value' ";
		if($options) $html.= "$options ";
		if($placeholder) $html.= "placeholder='$placeholder' ";
		$html .= '/>';
		return $html;
	}

	function select($name, $selectbox, $default=false) {
		//echo('<pre>'); print_r($selectbox);
		$html = "<select name='$name'>";

		if($default) {
			$value=$default; $title=$selectbox[$value];
			$html .= "<option value='$value'>$value :: $title</option>";
			unset($selectbox[$value]);
		}
		foreach($selectbox as $value => $title) {
			$html .= "<option value='$value'>$value :: $title</option>";
		}
		$html .= "</select>";
		return $html;
	}

	function render_insert_form($class, $columns, $selectbox=array(), $current=false, $multi_insert=true) {
		//echo('<pre>'); print_r($selectbox);
		//echo('<pre>'); print_r($current);
		$update = false;
		if(is_array($current)) {
			$update = true;
			$current = array_shift($current);
		}

		$html='<form method="POST">';
		if($multi_insert) $html.='<div name="input_set" style="float:left; border:1px solid grey;">';
		$html.=$this->input('table', $class, 'hidden');
		foreach($columns as $column)	{
			$html.=$column['Field'].': ';
			$name='value:'.$column['Field'].'[]';
			switch(true) {
				case preg_match('/auto_increment/', $column['Extra']):
					$val = $update ? $current[$column['Field']] : ''; //opakuje se (skoro) zbytecne
					$html.=$this->input($name, $val, 'hidden');
					$html.=$val.'(AUTO)';
					break;
				case isset($selectbox[$column['Field']]):
					$val = $update ? $current[$column['Field']] : false;
					$html.=$this->select($name,$selectbox[$column['Field']],$val); //opakuje se
					break;
				default:
					$val = $update ? $current[$column['Field']] : false; //opakuje se
					$html.=$this->input($name, $val);
					break;
			}
			$html.='<br />';
		}

		if($multi_insert) {
			//TODO, move to separate JS file
			$html.=<<<EOF
			</div>
			<span name="input_set_next"></span><br style="clear:both" />
			<script>
				function duplicate_element(what, where) {
					document.getElementsByName(where)[0].outerHTML =
						document.getElementsByName(what)[0].outerHTML
						+ document.getElementsByName(where)[0].outerHTML;
				}
			</script>
			<a href='#' onClick="duplicate_element('input_set', 'input_set_next')">+</a>
EOF;
		}

		$btn = is_array($current) ? 'UPDATE' : 'INSERT';
		$html.=$this->input(false, $btn, 'submit');
		$html.='</form>';
		return $html;
	}
}

/**
* Trida poskytuje rozhrani k databazi skladu
*
* @package  Sklad_DB
* @author   Tomas Mudrunka
*/
class Sklad_DB extends PDO {
	function __construct() {
		$this->lms = new Sklad_LMS();

		parent::__construct(
			DB_DSN, DB_USER, DB_PASS,
			array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8") //Force UTF8 for MySQL
		);
	}

	function escape($str) {
		return preg_replace('(^.|.$)', '', $this->quote($str)); //TODO HACK
	}

	function build_query_select($class, $id=false, $limit=false, $offset=0, $search=false, $id_suffix='_id') {
		$class = $this->escape($class);
		$join = array(
			'item'	=> array('model', 'category', 'producer', 'vendor', 'room', 'status'),
			'model'	=> array('category', 'producer')
		);
		$search_fields = array(
			'item'	=> array('item_id','model_name','model_barcode','model_descript','producer_name','vendor_name')
		);
		$sql="SELECT * FROM $class\n";
		if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN $j USING($j$id_suffix)\n";
		if($search) {
			$search = $this->quote($search);
			if(!isset($search_fields[$class])) {
				trigger_error("Ve tride $class zatim vyhledavat nemozno :-(");
				die();
			}
			$sql .= 'WHERE FALSE ';
			foreach($search_fields[$class] as $column) $sql .= "OR $column REGEXP $search ";
		}	elseif($id) $sql .= "WHERE $class$id_suffix = $id\n";
		if($limit) {
			$limit = $this->escape((int)$limit);
			$offset = $this->escape((int)$offset);
			$sql .= "LIMIT $offset,$limit\n";
		}
		return $sql;
	}

	function safe_query($sql) {
		$result = $this->query($sql);
		if(!$result) {
			trigger_error('<font color=red><b>QUERY FAILED:</b><pre>'.$sql.'</pre></font>');
			die();
		}
		return $result;
	}

	function get_listing($class, $id=false, $limit=false, $offset=0, $search=false, $indexed=array(), $suffix_id='_id') {
		$sql = $this->build_query_select($class, $id, $limit, $offset, $search);
		$result = $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
		if(!$result || !is_array($indexed)) return $result;

		foreach($result as $key => $row) $indexed[$row[$class.$suffix_id]]=$row;
		return $indexed;
	}

	function get_columns($class) {
		$class = $this->escape($class);
		$sql = "SHOW COLUMNS FROM $class;";
		return $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
	}

	function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
		$selectbox=array();
		foreach($columns as $column) {
			if($class && $column['Field'] == $class.$suffix_id) continue;
			if(!preg_match('/'.$suffix_id.'$/', $column['Field'])) continue;
			$table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
			$sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table;";
			$result=$this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
			foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
		}
		//echo('<pre>'); print_r($selectbox);
		return $selectbox;
	}

	function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
		$table = $this->escape($table);

		//Get list of POSTed columns
		$columns = implode(',',array_map(array($this,'escape'), array_keys($values[0])));

		//Insert into table (columns)
		$sql = 'INSERT';
		if($replace) $sql = 'REPLACE';
		$sql .= " INTO $table ($columns) VALUES ";

		//Values (a,b,c),(d,e,f)
		$comma='';
		foreach($values as $row) {
			$sql .= $comma.'('.implode(',',array_map(array($this,'quote'), $row)).')';
			$comma = ',';
		}

		//Terminate
		$sql .= ';';
		return $sql;
	}

	function insert_or_update($table, $values) {
		$sql = $this->build_query_insert($table, $values);
		$this->safe_query($sql);
		return $this->lastInsertId();
	}

	function delete($table, $id, $suffix_id='_id') {
		$key = $this->escape($table.$suffix_id);
		$table = $this->escape($table);
		$id = $this->quote($id);
		return $this->safe_query("DELETE FROM $table WHERE $key = $id LIMIT 1;");
	}
}

/**
* Trida implementuje uzivatelske rozhrani skladu
*
* Example usage:
* $sklad = new Sklad_UI();
* $sklad->process_http_request();
*
* @package  Sklad_UI
* @author   Tomas Mudrunka
*/
class Sklad_UI {
	function __construct() {
		$this->db = new Sklad_DB();
		$this->html = new Sklad_HTML();
	}

	function render_items($class, $id=false, $limit=false, $offset=0, $search=false) {
		return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $search));
	}

	function render_form_add($class) {
		$columns = $this->db->get_columns($class);
		$selectbox = $this->db->columns_get_selectbox($columns, $class);
		return $this->html->render_insert_form($class, $columns, $selectbox);
	}

	function render_form_edit($class, $id) {
		$columns = $this->db->get_columns($class);
		$selectbox = $this->db->columns_get_selectbox($columns, $class);
		$current = $this->db->get_listing($class, $id);
		return $this->html->render_insert_form($class, $columns, $selectbox, $current);
	}

	function render_single_record_details($class, $id) {
		$id_next = $id + 1;
		$id_prev = $id - 1 > 0 ? $id - 1 : 0;
		$get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
		$html='';
		$html.= $this->html->link('<<', "$class/$id_prev/");
		$html.= '-';
		$html.= $this->html->link('>>', "$class/$id_next/");
		$html.= '<br />';
		$html.= $this->html->link('edit', "$class/$id/edit/");
		return $html;
	}

	function render_listing_navigation($class, $id, $limit, $offset) {
		$offset_next = $offset + $limit;
		$offset_prev = $offset - $limit > 0 ? $offset - $limit : 0;
		$get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
		$html='';
		$html.= $this->html->link('<<', "$class/$id/$limit/$offset_prev/$get");
		$html.= '-';
		$html.= $this->html->link('>>', "$class/$id/$limit/$offset_next/$get");
		$html.= '<br />';
		$html.= $this->html->link('new', "$class/new/$get");
		return $html;
	}

	function render_listing_extensions($class, $id, $limit, $offset, $edit=false) {
		$html='';
		if(is_numeric($id)) {
			$html.=$this->render_single_record_details($class, $id);
		} else {
			$html.=$this->render_listing_navigation($class, '*', $limit, $offset);
		}
		if($edit)	{
			$html.='<br />TODO UPDATE FORM!<br />';
			$html.= $this->render_form_edit($class, $id);
			$action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
	    $html.= "<form action='$action' method='POST'>";
			$html.= $this->html->input(false, 'DELETE', 'submit');
			$html.= 'sure?'.$this->html->input('sure', false, 'checkbox');
			$html.= '</form>';
			$action = $_SERVER['SCRIPT_NAME']."/$class/$id/image";
	    $html.= "<form action='$action' method='POST' enctype='multipart/form-data'>";
			$html.= $this->html->input('image', false, 'file', false, 'size="30"');
			$html.= $this->html->input(false, 'IMAGE', 'submit');
			$html.='</form>';
		}
		return $html;
	}

	function check_auth() {
		new HTTP_Auth('SkladovejSystem', true, array($this->db->lms,'check_auth'));
	}

	function post_redirect_get($last, $next) { //TODO prepracovat, tohle je uplna picovina...
		//header('Location: '.$_SERVER['REQUEST_URI']); //TODO redirect (need templating system or ob_start() first!!!)
		echo 'Hotovo. Poslední vložený záznam naleznete '.$this->html->link('zde', $last).'.<br />'.
		'Další záznam přidáte '.$this->html->link('zde', $next).'.';
		die();
	}

	function process_http_request_post($action=false, $class=false, $id=false) {
		if($_SERVER['REQUEST_METHOD'] != 'POST') return;
		echo('<pre>'); //DEBUG (maybe todo remove)

		//SephirPOST:
		$values=array();
		foreach($_POST as $key => $value) {
			$name = preg_split('/:/',$key);
			if(isset($name[0])) switch($name[0]) {
				case 'value':
					foreach($value as $id => $val) $values[$id][$name[1]]=$value[$id];
					break;
				default:
					break;
			}
		}

		if($action) switch($action) {
			case 'new':
			case 'edit':
				if(!isset($_POST['table'])) die(trigger_error("Jest nutno specifikovat tabulku voe!"));
				$table=$_POST['table'];
				//print_r($values); //debug
				$last = $this->db->insert_or_update($table, $values);
				$this->post_redirect_get("$table/$last/", "$table/new/");
				break;
			case 'delete':
				if(!isset($_POST['sure']) || !$_POST['sure']) die(trigger_error('Sure user expected :-)'));
				//$this->db->delete($class, $id);
				die('Neco asi bylo smazano. Fnuk :\'-('); //TODO REDIRECT
				break;
			case 'image':
				$image_classes = array('model'); //TODO, use this more widely across the code
				if(!in_array($class, $image_classes)) die(trigger_error("Nekdo nechce k DB Tride '$class' prirazovat obrazky!"));
				$image_destination = DIR_IMAGES."/$class/$id.jpg";
				if($_FILES['image']['name'] == '') die(trigger_error('Kazde neco se musi nejak jmenovat!'));
				if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
	        chmod ($image_destination, 0664);
  	      die('Obrazek se naladoval :)'); //TODO REDIRECT
        } else die(trigger_error('Soubor se nenahral :('));
				break;
			default:
				trigger_error('Nothin\' to do here my cutie :-*');
				break;
		}

		die('POSTed pyčo!');
	}

	function process_http_request() {
		$this->check_auth();

		@ini_set('magic_quotes_gpc' , 'off');
		if(get_magic_quotes_gpc()) {
			die(trigger_error("Error: magic_quotes_gpc needs to be disabled! F00K!"));
		}

		$PATH_INFO=@trim($_SERVER[PATH_INFO]);
		echo $this->html->header($PATH_INFO);


		//Sephirot:
		$PATH_CHUNKS = preg_split('/\//', $PATH_INFO);
		if(!isset($PATH_CHUNKS[1])) $PATH_CHUNKS[1]='';
		switch($PATH_CHUNKS[1]) {
			case 'test':	//test
				die('Tell me why you cry');
				break;
			default:	//?
				$search	= (isset($_GET['q']) && trim($_GET['q']) != '') ? trim($_GET['q']) : false;
				$class	= (isset($PATH_CHUNKS[1]) && $PATH_CHUNKS[1] != '') ? $PATH_CHUNKS[1] : 'item';
				if(!isset($PATH_CHUNKS[2])) $PATH_CHUNKS[2]='';
				switch($PATH_CHUNKS[2]) {
					case 'new':	//?/new
						$this->process_http_request_post($PATH_CHUNKS[2], $class);
						echo $this->render_form_add($class);
						break;
					default:	//?/?
						$id	= (isset($PATH_CHUNKS[2]) && is_numeric($PATH_CHUNKS[2]) ? (int) $PATH_CHUNKS[2] : false);
						if(!isset($PATH_CHUNKS[3])) $PATH_CHUNKS[3]='';
						$edit=false;
						switch($PATH_CHUNKS[3]) {
							case 'edit':	//?/?/edit
							case 'image':	//?/image
							case 'delete':	//?/delete
								$this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
								$edit=true;
							default:	//?/?/?
								$limit	= (int) (isset($PATH_CHUNKS[3]) ? $PATH_CHUNKS[3] : '0');
								$offset	= (int) (isset($PATH_CHUNKS[4]) ? $PATH_CHUNKS[4] : '0');
								echo $this->render_items($class, $id, $limit, $offset, $search);
								echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
								//print_r(array("<pre>",$_SERVER));
								break;
						}
						break;
				}
				break;
		}
	}
}

$sklad = new Sklad_UI();
$sklad->process_http_request();

echo("<hr/>");
Commit	Line	Data
cdfce7c2 TM	1	<?php
	2	/*
	3	* SkladovySystem - Storage management system compatible with LMS
78bf26a5	4	* Copyright (C) 2011 Tomas Mudrunka
cdfce7c2 TM	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
78bf26a5 TM	24	/**
	25	* Trida poskytuje podpurne funkce pro generovani HTML kodu specificke pro sklad
	26	*
fc5c5b8b TM	27	* Tato trida by nemela sama nic vypisovat (vyjma chybovych a debugovacich hlasek)!
fc5c5b8b TM	28	*
78bf26a5 TM	29	* @package Sklad_HTML
	30	* @author Tomas Mudrunka
	31	*/
cdfce7c2	32	class Sklad_HTML {
fc5c5b8b	33	function header($title='') {
cdfce7c2 TM	34	$home = URL_HOME;
	35	$script = $_SERVER['SCRIPT_NAME'];
	36	$search = @trim($_GET['q']);
fc5c5b8b	37	return <<<EOF
10562613	38	<head>
	39	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	40	</head>
cdfce7c2 TM	41	<h1><a href="$script/">SystémSklad</a><small>$title</small></h1>
	42	<div>
	43	<menu>
	44	<li><a href="?logout">Logout</a></li>
	45	<li><a href="$script/">Home</a></li>
	46	</menu>
	47	<form action="?" method="GET">
	48	<input type="text" name="q" placeholder="regexp..." value="$search" />
	49	<input type="submit" value="filter" />
	50	</form>
	51	<!-- form action="$script/" method="GET">
	52	<input type="text" name="q" placeholder="regexp..." value="$search" />
	53	<input type="submit" value="search items" />
	54	</form -->
	55	</div>
	56	EOF;
	57	}
	58
fc5c5b8b TM	59	function row($row) {
fc5c5b8b TM	60	$html='<tr>';
cdfce7c2 TM	61	foreach($row as $var) {
cdfce7c2 TM	62	if(trim($var) == '') $var = ' ';
fc5c5b8b	63	$html.="<td>$var</td>";
cdfce7c2	64	}
fc5c5b8b TM	65	$html.='</tr>';
fc5c5b8b TM	66	return $html;
cdfce7c2 TM	67	}
cdfce7c2 TM	68
fc5c5b8b TM	69	function table(&$table, $params='border=1') {
fc5c5b8b TM	70	$html="<table $params>";
cdfce7c2 TM	71	$header=true;
	72	foreach($table as $row) {
	73	if($header) {
fc5c5b8b	74	$html.=$this->row(array_keys($row));
cdfce7c2 TM	75	$header=false;
cdfce7c2 TM	76	}
fc5c5b8b	77	$html.=$this->row($row);
cdfce7c2	78	}
fc5c5b8b TM	79	$html.='</table>';
fc5c5b8b TM	80	return $html;
cdfce7c2 TM	81	}
	82
	83	function link($title='n/a', $link='#void', $internal=true) {
	84	if($internal) $link = $_SERVER['SCRIPT_NAME'].'/'.$link;
	85	return "<a href='$link'>$title</a>";
	86	}
	87
	88	function img($src='#void', $title='img') {
	89	return "<img src='$src' alt='$title' title='$title' width=64 />";
	90	}
	91
	92	function table_add_images(&$table) {
	93	$image = array('model_id');
	94	foreach($table as $id => $row) {
	95	foreach($image as $column) if(isset($table[$id][$column])) {
	96	$type = @array_shift(preg_split('/_/', $column));
	97	$src=URL_IMAGES."/$type/".$table[$id][$column].'.jpg';
	98	$table[$id][$type.'_image']=$this->img($src, $table[$id][$column]);
	99	}
	100	}
	101	}
	102
	103	function table_collapse(&$table) {
	104	$collapse = array(
	105	'item_id' => 'item_id',
	106	'model_id' => 'model_name',
	107	'category_id' => 'category_name',
	108	'producer_id' => 'producer_name',
	109	'vendor_id' => 'vendor_name',
	110	'room_id' => 'room_name',
	111	'status_id' => 'status_name',
	112	);
	113	foreach($table as $id => $row) {
	114	foreach($collapse as $link => $title)
	115	if(isset($table[$id][$link])) {
	116	$type = @array_shift(preg_split('/_/', $link));
	117	if($link != $title) unset($table[$id][$link]);
	118	$table[$id][$title]=$this->link($row[$title], $type.'/'.$row[$link].'/');
	119	}
	120	}
	121	}
	122
	123	function table_sort(&$table) {
	124	$precedence = array('item_id', 'model_image', 'model_name','model_descript','category_name','status_name','room_name');
	125	$table_sorted = array();
	126	foreach($table as $id => $row) {
	127	$table_sorted[$id] = array();
	128	foreach($precedence as $column) if(isset($table[$id][$column])) {
	129	$table_sorted[$id][$column]=$table[$id][$column];
	130	unset($table[$id][$column]);
	131	}
	132	$table_sorted[$id]=array_merge($table_sorted[$id],$table[$id]);
	133	}
	134	$table = $table_sorted;
	135	}
	136
fc5c5b8b	137	function render_item_table($table) {
cdfce7c2 TM	138	$this->table_add_images($table);
	139	$this->table_collapse($table);
	140	$this->table_sort($table);
fc5c5b8b	141	return $this->table($table);
cdfce7c2 TM	142	}
	143
	144	function input($name=false, $value=false, $type='text', $placeholder=false, $options=false) {
	145	$html = "<input type='$type' ";
	146	if($name) $html.= "name='$name' ";
	147	if(!is_bool($value)) $html.= "value='$value' ";
	148	if($options) $html.= "$options ";
	149	if($placeholder) $html.= "placeholder='$placeholder' ";
	150	$html .= '/>';
	151	return $html;
	152	}
	153
	154	function select($name, $selectbox, $default=false) {
	155	//echo('<pre>'); print_r($selectbox);
	156	$html = "<select name='$name'>";
	157
	158	if($default) {
	159	$value=$default; $title=$selectbox[$value];
	160	$html .= "<option value='$value'>$value :: $title</option>";
	161	unset($selectbox[$value]);
	162	}
	163	foreach($selectbox as $value => $title) {
	164	$html .= "<option value='$value'>$value :: $title</option>";
	165	}
	166	$html .= "</select>";
	167	return $html;
	168	}
	169
fc5c5b8b	170	function render_insert_form($class, $columns, $selectbox=array(), $current=false, $multi_insert=true) {
cdfce7c2 TM	171	//echo('<pre>'); print_r($selectbox);
	172	//echo('<pre>'); print_r($current);
	173	$update = false;
	174	if(is_array($current)) {
	175	$update = true;
	176	$current = array_shift($current);
	177	}
	178
fc5c5b8b TM	179	$html='<form method="POST">';
	180	if($multi_insert) $html.='<div name="input_set" style="float:left; border:1px solid grey;">';
	181	$html.=$this->input('table', $class, 'hidden');
cdfce7c2	182	foreach($columns as $column) {
fc5c5b8b	183	$html.=$column['Field'].': ';
cdfce7c2 TM	184	$name='value:'.$column['Field'].'[]';
	185	switch(true) {
	186	case preg_match('/auto_increment/', $column['Extra']):
	187	$val = $update ? $current[$column['Field']] : ''; //opakuje se (skoro) zbytecne
fc5c5b8b TM	188	$html.=$this->input($name, $val, 'hidden');
fc5c5b8b TM	189	$html.=$val.'(AUTO)';
cdfce7c2 TM	190	break;
	191	case isset($selectbox[$column['Field']]):
	192	$val = $update ? $current[$column['Field']] : false;
fc5c5b8b	193	$html.=$this->select($name,$selectbox[$column['Field']],$val); //opakuje se
cdfce7c2 TM	194	break;
	195	default:
	196	$val = $update ? $current[$column['Field']] : false; //opakuje se
fc5c5b8b	197	$html.=$this->input($name, $val);
cdfce7c2 TM	198	break;
cdfce7c2 TM	199	}
fc5c5b8b	200	$html.='<br />';
cdfce7c2 TM	201	}
	202
	203	if($multi_insert) {
	204	//TODO, move to separate JS file
fc5c5b8b	205	$html.=<<<EOF
cdfce7c2 TM	206	</div>
	207	<span name="input_set_next"></span><br style="clear:both" />
	208	<script>
	209	function duplicate_element(what, where) {
	210	document.getElementsByName(where)[0].outerHTML =
	211	document.getElementsByName(what)[0].outerHTML
	212	+ document.getElementsByName(where)[0].outerHTML;
	213	}
	214	</script>
	215	<a href='#' onClick="duplicate_element('input_set', 'input_set_next')">+</a>
	216	EOF;
	217	}
	218
	219	$btn = is_array($current) ? 'UPDATE' : 'INSERT';
fc5c5b8b TM	220	$html.=$this->input(false, $btn, 'submit');
	221	$html.='</form>';
	222	return $html;
cdfce7c2 TM	223	}
	224	}
	225
78bf26a5 TM	226	/**
	227	* Trida poskytuje rozhrani k databazi skladu
	228	*
	229	* @package Sklad_DB
	230	* @author Tomas Mudrunka
	231	*/
cdfce7c2 TM	232	class Sklad_DB extends PDO {
	233	function __construct() {
	234	$this->lms = new Sklad_LMS();
	235
	236	parent::__construct(
	237	DB_DSN, DB_USER, DB_PASS,
	238	array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8") //Force UTF8 for MySQL
	239	);
	240	}
	241
	242	function escape($str) {
	243	return preg_replace('(^.\|.$)', '', $this->quote($str)); //TODO HACK
	244	}
	245
	246	function build_query_select($class, $id=false, $limit=false, $offset=0, $search=false, $id_suffix='_id') {
	247	$class = $this->escape($class);
	248	$join = array(
	249	'item' => array('model', 'category', 'producer', 'vendor', 'room', 'status'),
	250	'model' => array('category', 'producer')
	251	);
	252	$search_fields = array(
	253	'item' => array('item_id','model_name','model_barcode','model_descript','producer_name','vendor_name')
	254	);
	255	$sql="SELECT * FROM $class\n";
	256	if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN $j USING($j$id_suffix)\n";
	257	if($search) {
	258	$search = $this->quote($search);
	259	if(!isset($search_fields[$class])) {
	260	trigger_error("Ve tride $class zatim vyhledavat nemozno :-(");
	261	die();
	262	}
	263	$sql .= 'WHERE FALSE ';
	264	foreach($search_fields[$class] as $column) $sql .= "OR $column REGEXP $search ";
	265	} elseif($id) $sql .= "WHERE $class$id_suffix = $id\n";
	266	if($limit) {
	267	$limit = $this->escape((int)$limit);
	268	$offset = $this->escape((int)$offset);
	269	$sql .= "LIMIT $offset,$limit\n";
	270	}
	271	return $sql;
	272	}
	273
	274	function safe_query($sql) {
	275	$result = $this->query($sql);
	276	if(!$result) {
	277	trigger_error('<font color=red><b>QUERY FAILED:</b><pre>'.$sql.'</pre></font>');
	278	die();
	279	}
	280	return $result;
	281	}
	282
	283	function get_listing($class, $id=false, $limit=false, $offset=0, $search=false, $indexed=array(), $suffix_id='_id') {
	284	$sql = $this->build_query_select($class, $id, $limit, $offset, $search);
	285	$result = $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
	286	if(!$result \|\| !is_array($indexed)) return $result;
	287
	288	foreach($result as $key => $row) $indexed[$row[$class.$suffix_id]]=$row;
	289	return $indexed;
	290	}
	291
	292	function get_columns($class) {
	293	$class = $this->escape($class);
	294	$sql = "SHOW COLUMNS FROM $class;";
	295	return $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
296	}
297
298	function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
299	$selectbox=array();
300	foreach($columns as $column) {
301	if($class && $column['Field'] == $class.$suffix_id) continue;
302	if(!preg_match('/'.$suffix_id.'$/', $column['Field'])) continue;
303	$table=preg_replace('/'.$suffix_id.'$/','',$column['Field']);
304	$sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table;";
305	$result=$this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
306	foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
307	}
308	//echo('<pre>'); print_r($selectbox);
309	return $selectbox;
310	}
311
312	function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
313	$table = $this->escape($table);
314
315	//Get list of POSTed columns
316	$columns = implode(',',array_map(array($this,'escape'), array_keys($values[0])));
317
318	//Insert into table (columns)
319	$sql = 'INSERT';
320	if($replace) $sql = 'REPLACE';
321	$sql .= " INTO $table ($columns) VALUES ";
322
323	//Values (a,b,c),(d,e,f)
324	$comma='';
325	foreach($values as $row) {
326	$sql .= $comma.'('.implode(',',array_map(array($this,'quote'), $row)).')';
327	$comma = ',';
328	}
329
330	//Terminate
331	$sql .= ';';
332	return $sql;
333	}
334
335	function insert_or_update($table, $values) {
336	$sql = $this->build_query_insert($table, $values);
337	$this->safe_query($sql);
338	return $this->lastInsertId();
339	}
340
341	function delete($table, $id, $suffix_id='_id') {
342	$key = $this->escape($table.$suffix_id);
343	$table = $this->escape($table);
344	$id = $this->quote($id);
345	return $this->safe_query("DELETE FROM $table WHERE $key = $id LIMIT 1;");
346	}
347	}
348
78bf26a5 TM	349	/**
	350	* Trida implementuje uzivatelske rozhrani skladu
	351	*
	352	* Example usage:
	353	* $sklad = new Sklad_UI();
	354	* $sklad->process_http_request();
	355	*
	356	* @package Sklad_UI
	357	* @author Tomas Mudrunka
	358	*/
cdfce7c2 TM	359	class Sklad_UI {
	360	function __construct() {
	361	$this->db = new Sklad_DB();
	362	$this->html = new Sklad_HTML();
	363	}
	364
a25f85f8 TM	365	function render_items($class, $id=false, $limit=false, $offset=0, $search=false) {
a25f85f8 TM	366	return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $search));
cdfce7c2 TM	367	}
cdfce7c2 TM	368
a25f85f8	369	function render_form_add($class) {
cdfce7c2 TM	370	$columns = $this->db->get_columns($class);
cdfce7c2 TM	371	$selectbox = $this->db->columns_get_selectbox($columns, $class);
a25f85f8	372	return $this->html->render_insert_form($class, $columns, $selectbox);
cdfce7c2 TM	373	}
cdfce7c2 TM	374
a25f85f8	375	function render_form_edit($class, $id) {
cdfce7c2 TM	376	$columns = $this->db->get_columns($class);
	377	$selectbox = $this->db->columns_get_selectbox($columns, $class);
	378	$current = $this->db->get_listing($class, $id);
a25f85f8	379	return $this->html->render_insert_form($class, $columns, $selectbox, $current);
cdfce7c2 TM	380	}
cdfce7c2 TM	381
a25f85f8	382	function render_single_record_details($class, $id) {
cdfce7c2 TM	383	$id_next = $id + 1;
	384	$id_prev = $id - 1 > 0 ? $id - 1 : 0;
	385	$get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
a25f85f8 TM	386	$html='';
	387	$html.= $this->html->link('<<', "$class/$id_prev/");
	388	$html.= '-';
	389	$html.= $this->html->link('>>', "$class/$id_next/");
	390	$html.= '<br />';
	391	$html.= $this->html->link('edit', "$class/$id/edit/");
	392	return $html;
cdfce7c2 TM	393	}
cdfce7c2 TM	394
a25f85f8	395	function render_listing_navigation($class, $id, $limit, $offset) {
cdfce7c2 TM	396	$offset_next = $offset + $limit;
	397	$offset_prev = $offset - $limit > 0 ? $offset - $limit : 0;
	398	$get = $_SERVER['QUERY_STRING'] != '' ? '?'.$_SERVER['QUERY_STRING'] : '';
a25f85f8 TM	399	$html='';
	400	$html.= $this->html->link('<<', "$class/$id/$limit/$offset_prev/$get");
	401	$html.= '-';
	402	$html.= $this->html->link('>>', "$class/$id/$limit/$offset_next/$get");
	403	$html.= '<br />';
	404	$html.= $this->html->link('new', "$class/new/$get");
	405	return $html;
cdfce7c2 TM	406	}
cdfce7c2 TM	407
a25f85f8 TM	408	function render_listing_extensions($class, $id, $limit, $offset, $edit=false) {
a25f85f8 TM	409	$html='';
cdfce7c2	410	if(is_numeric($id)) {
a25f85f8	411	$html.=$this->render_single_record_details($class, $id);
cdfce7c2	412	} else {
a25f85f8	413	$html.=$this->render_listing_navigation($class, '*', $limit, $offset);
cdfce7c2 TM	414	}
cdfce7c2 TM	415	if($edit) {
a25f85f8 TM	416	$html.='<br />TODO UPDATE FORM!<br />';
a25f85f8 TM	417	$html.= $this->render_form_edit($class, $id);
cdfce7c2	418	$action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
a25f85f8 TM	419	$html.= "<form action='$action' method='POST'>";
	420	$html.= $this->html->input(false, 'DELETE', 'submit');
	421	$html.= 'sure?'.$this->html->input('sure', false, 'checkbox');
	422	$html.= '</form>';
cdfce7c2	423	$action = $_SERVER['SCRIPT_NAME']."/$class/$id/image";
a25f85f8 TM	424	$html.= "<form action='$action' method='POST' enctype='multipart/form-data'>";
	425	$html.= $this->html->input('image', false, 'file', false, 'size="30"');
	426	$html.= $this->html->input(false, 'IMAGE', 'submit');
	427	$html.='</form>';
cdfce7c2	428	}
a25f85f8	429	return $html;
cdfce7c2 TM	430	}
	431
	432	function check_auth() {
	433	new HTTP_Auth('SkladovejSystem', true, array($this->db->lms,'check_auth'));
	434	}
	435
	436	function post_redirect_get($last, $next) { //TODO prepracovat, tohle je uplna picovina...
	437	//header('Location: '.$_SERVER['REQUEST_URI']); //TODO redirect (need templating system or ob_start() first!!!)
	438	echo 'Hotovo. Poslední vložený záznam naleznete '.$this->html->link('zde', $last).'.<br />'.
	439	'Další záznam přidáte '.$this->html->link('zde', $next).'.';
	440	die();
	441	}
	442
	443	function process_http_request_post($action=false, $class=false, $id=false) {
	444	if($_SERVER['REQUEST_METHOD'] != 'POST') return;
	445	echo('<pre>'); //DEBUG (maybe todo remove)
	446
	447	//SephirPOST:
	448	$values=array();
	449	foreach($_POST as $key => $value) {
	450	$name = preg_split('/:/',$key);
	451	if(isset($name[0])) switch($name[0]) {
	452	case 'value':
	453	foreach($value as $id => $val) $values[$id][$name[1]]=$value[$id];
	454	break;
	455	default:
	456	break;
	457	}
	458	}
	459
	460	if($action) switch($action) {
	461	case 'new':
	462	case 'edit':
	463	if(!isset($_POST['table'])) die(trigger_error("Jest nutno specifikovat tabulku voe!"));
	464	$table=$_POST['table'];
	465	//print_r($values); //debug
	466	$last = $this->db->insert_or_update($table, $values);
	467	$this->post_redirect_get("$table/$last/", "$table/new/");
	468	break;
	469	case 'delete':
	470	if(!isset($_POST['sure']) \|\| !$_POST['sure']) die(trigger_error('Sure user expected :-)'));
	471	//$this->db->delete($class, $id);
	472	die('Neco asi bylo smazano. Fnuk :\'-('); //TODO REDIRECT
	473	break;
	474	case 'image':
	475	$image_classes = array('model'); //TODO, use this more widely across the code
	476	if(!in_array($class, $image_classes)) die(trigger_error("Nekdo nechce k DB Tride '$class' prirazovat obrazky!"));
	477	$image_destination = DIR_IMAGES."/$class/$id.jpg";
	478	if($_FILES['image']['name'] == '') die(trigger_error('Kazde neco se musi nejak jmenovat!'));
	479	if(move_uploaded_file($_FILES['image']['tmp_name'], $image_destination)) {
	480	chmod ($image_destination, 0664);
	481	die('Obrazek se naladoval :)'); //TODO REDIRECT
	482	} else die(trigger_error('Soubor se nenahral :('));
	483	break;
	484	default:
	485	trigger_error('Nothin\' to do here my cutie :-*');
	486	break;
	487	}
	488
	489	die('POSTed pyčo!');
	490	}
	491
	492	function process_http_request() {
	493	$this->check_auth();
494
495	@ini_set('magic_quotes_gpc' , 'off');
496	if(get_magic_quotes_gpc()) {
497	die(trigger_error("Error: magic_quotes_gpc needs to be disabled! F00K!"));
498	}
499
500	$PATH_INFO=@trim($_SERVER[PATH_INFO]);
fc5c5b8b	501	echo $this->html->header($PATH_INFO);
cdfce7c2 TM	502
	503
	504	//Sephirot:
	505	$PATH_CHUNKS = preg_split('/\//', $PATH_INFO);
	506	if(!isset($PATH_CHUNKS[1])) $PATH_CHUNKS[1]='';
	507	switch($PATH_CHUNKS[1]) {
	508	case 'test': //test
	509	die('Tell me why you cry');
	510	break;
	511	default: //?
	512	$search = (isset($_GET['q']) && trim($_GET['q']) != '') ? trim($_GET['q']) : false;
	513	$class = (isset($PATH_CHUNKS[1]) && $PATH_CHUNKS[1] != '') ? $PATH_CHUNKS[1] : 'item';
	514	if(!isset($PATH_CHUNKS[2])) $PATH_CHUNKS[2]='';
	515	switch($PATH_CHUNKS[2]) {
	516	case 'new': //?/new
	517	$this->process_http_request_post($PATH_CHUNKS[2], $class);
a25f85f8	518	echo $this->render_form_add($class);
cdfce7c2 TM	519	break;
	520	default: //?/?
	521	$id = (isset($PATH_CHUNKS[2]) && is_numeric($PATH_CHUNKS[2]) ? (int) $PATH_CHUNKS[2] : false);
	522	if(!isset($PATH_CHUNKS[3])) $PATH_CHUNKS[3]='';
	523	$edit=false;
	524	switch($PATH_CHUNKS[3]) {
	525	case 'edit': //?/?/edit
	526	case 'image': //?/image
	527	case 'delete': //?/delete
	528	$this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
	529	$edit=true;
	530	default: //?/?/?
	531	$limit = (int) (isset($PATH_CHUNKS[3]) ? $PATH_CHUNKS[3] : '0');
	532	$offset = (int) (isset($PATH_CHUNKS[4]) ? $PATH_CHUNKS[4] : '0');
a25f85f8 TM	533	echo $this->render_items($class, $id, $limit, $offset, $search);
a25f85f8 TM	534	echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
cdfce7c2 TM	535	//print_r(array("<pre>",$_SERVER));
	536	break;
	537	}
	538	break;
	539	}
	540	break;
	541	}
	542	}
	543	}
	544
	545	$sklad = new Sklad_UI();
	546	$sklad->process_http_request();
	547
	548	echo("<hr/>");