Podpora historie (audit trails) pridana do UI
[mirrors/SokoMan.git] / index.php
index 493c92bc6b42cf1c3b4d7541f88b72337c088631..7d500bac22b08ee934ba60baff196e3a4a967d50 100755 (executable)
--- a/index.php
+++ b/index.php
@@ -33,7 +33,8 @@ class Sklad_HTML {
        function header($title='') {
                $home = URL_HOME;
                $script = $_SERVER['SCRIPT_NAME'];
-               $search = @trim($_GET['q']);
+               $search = htmlspecialchars(@trim($_GET['q']));
+               $message = htmlspecialchars(@trim($_GET['message']));
                return <<<EOF
 <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
@@ -53,6 +54,9 @@ class Sklad_HTML {
                <input type="submit" value="search items" />
        </form -->
 </div>
+<div style="background-color:#FFDDDD;">
+       <font color="red">$message</font>
+</div>
 EOF;
        }
 
@@ -80,8 +84,12 @@ EOF;
                return $html;
        }
 
+       function internal_url($link) {
+               return $_SERVER['SCRIPT_NAME'].'/'.$link;
+       }
+
        function link($title='n/a', $link='#void', $internal=true) {
-               if($internal) $link = $_SERVER['SCRIPT_NAME'].'/'.$link;
+               if($internal) $link = $this->internal_url($link);
                return "<a href='$link'>$title</a>";
        }
 
@@ -178,22 +186,21 @@ EOF;
 
                $html='<form method="POST">';
                if($multi_insert) $html.='<div name="input_set" style="float:left; border:1px solid grey;">';
-               $html.=$this->input('table', $class, 'hidden');
+               //$html.=$this->input('table', $class, 'hidden');
                foreach($columns as $column)    {
-                       $html.=$column['Field'].': ';
-                       $name='value:'.$column['Field'].'[]';
+                       $html.=$class.':<b>'.$column['Field'].'</b>: ';
+                       $name="values[$class][".$column['Field'].'][]';
+                       $val = $update ? $current[$column['Field']] : false;
                        switch(true) {
                                case preg_match('/auto_increment/', $column['Extra']):
-                                       $val = $update ? $current[$column['Field']] : ''; //opakuje se (skoro) zbytecne
+                                       if(!$val) $val = '';
                                        $html.=$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
+                                       $html.=$this->select($name,$selectbox[$column['Field']],$val);
                                        break;
                                default:
-                                       $val = $update ? $current[$column['Field']] : false; //opakuje se
                                        $html.=$this->input($name, $val);
                                        break;
                        }
@@ -243,45 +250,61 @@ class Sklad_DB extends PDO {
                return preg_replace('(^.|.$)', '', $this->quote($str)); //TODO HACK
        }
 
-       function build_query_select($class, $id=false, $limit=false, $offset=0, $search=false, $id_suffix='_id') {
-               $class = $this->escape($class);
+       function build_query_select($class, $id=false, $limit=false, $offset=0, $search=false, $history=false, $order=false, $suffix_id='_id') {
+               //Configuration
                $join = array(
                        'item'  => array('model', 'category', 'producer', 'vendor', 'room', 'status'),
                        'model' => array('category', 'producer')
-               );
+               ); //TODO Autodetect using foreign keys?
                $search_fields = array(
                        'item'  => array('item_id','model_name','model_barcode','model_descript','producer_name','vendor_name')
-               );
+               ); //TODO Autodetect
+
+               //Escaping
+               $class = $this->escape($class);
+
+               //SELECT
                $sql="SELECT * FROM $class\n";
-               if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN $j USING($j$id_suffix)\n";
+               //JOIN
+               if(isset($join[$class])) foreach($join[$class] as $j) $sql .= "LEFT JOIN $j USING($j$suffix_id)\n";
+               //WHERE/REGEXP
+               $where = false;
                if($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";
+                       $where[0] = 'FALSE ';
+                       foreach($search_fields[$class] as $column) $where[0] .= "OR $column REGEXP $search ";
+               }       elseif($id) $where[1] = "$class$suffix_id = $id";
+               if(!$history && $this->contains_history($class)) $where[2] = $class.'_valid_till=0';
+               if($where) $sql .= 'WHERE '.implode(' AND ', $where)."\n";
+               //LIMIT/OFFSET
                if($limit) {
                        $limit = $this->escape((int)$limit);
                        $offset = $this->escape((int)$offset);
                        $sql .= "LIMIT $offset,$limit\n";
                }
+               //ORDER
+               if(!$order) $order = $class.$suffix_id;
+               $sql .= "ORDER BY $order";
+
                return $sql;
        }
 
-       function safe_query($sql) {
+       function safe_query($sql, $fatal=true) {
                $result = $this->query($sql);
                if(!$result) {
-                       trigger_error('<font color=red><b>QUERY FAILED:</b><pre>'.$sql.'</pre></font>');
-                       die();
+                       $error = $this->errorInfo();
+                       trigger_error("<font color=red><b>QUERY FAILED ($error[0],$error[1]): </b>$error[2]<br /><br /><b>QUERY:</b>\n<pre>$sql</pre></font>");
+                       if($fatal) 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, $search);
+       function get_listing($class, $id=false, $limit=false, $offset=0, $search=false, $history=false, $indexed=array(), $suffix_id='_id') {
+               $sql = $this->build_query_select($class, $id, $limit, $offset, $search, $history);
                $result = $this->safe_query($sql)->fetchAll(PDO::FETCH_ASSOC);
                if(!$result || !is_array($indexed)) return $result;
 
@@ -298,32 +321,81 @@ class Sklad_DB extends PDO {
        function columns_get_selectbox($columns, $class=false, $suffix_id='_id', $suffix_name='_name') {
                $selectbox=array();
                foreach($columns as $column) {
+                       if($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)!
                        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);
+
+                       $sql = "SELECT $table$suffix_id, $table$suffix_name FROM $table;"; //TODO History
+                       $result = $this->safe_query($sql, false);
+                       if(!$result) continue;
+                       $result = $result->fetchAll(PDO::FETCH_ASSOC);
                        foreach($result as $row) $selectbox[$table.$suffix_id][$row[$table.$suffix_id]]=$row[$table.$suffix_name];
                }
                //echo('<pre>'); print_r($selectbox);
-               return $selectbox;
+               return array_filter($selectbox, 'ksort');
+       }
+
+       function contains_history($table) {
+               $history_tables = array('item'); //TODO Autodetect
+               return in_array($table, $history_tables);
        }
 
        function build_query_insert($table, $values, $replace=true, $suffix_id='_id') {
+               //Init
+               $history = $this->contains_history($table);
+
+               //Escaping
                $table = $this->escape($table);
 
                //Get list of POSTed columns
                $columns = implode(',',array_map(array($this,'escape'), array_keys($values[0])));
 
+               //Build query
+               $sql = '';
+               //echo('<pre>'); die(print_r($values));
+
+               if($history) {
+                       $history_update=false;  foreach($values as $row) if(is_numeric($row[$table.'_id'])) $history_update=true;
+                       if($history_update) {
+                               $sql .= "UPDATE $table";
+                               $sql .= ' SET '.$table.'_valid_till=NOW()';
+                               $sql .= ' WHERE '.$table.'_valid_till=0 AND (';
+                               $or = '';
+                               foreach($values as $row) {
+                                       $sql .= $or.' '.$table.'_id='.$row[$table.'_id'];
+                                       $or = ' OR';
+                               }
+                               $sql .= " );\n\n";
+                               $replace = false;
+                       }
+               }
+
                //Insert into table (columns)
-               $sql = 'INSERT';
-               if($replace) $sql = 'REPLACE';
+               $sql .= $replace ? 'REPLACE' : 'INSERT';
                $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)).')';
+                       $row_quoted = array_map(array($this,'quote'), $row); //Check
+                       if($history) {
+                               foreach($row as $column => $value) {
+                                       switch($column) {
+                                               case $table.'_valid_from':
+                                                       $row_quoted[$column] = 'NOW()';
+                                                       break;
+                                               case $table.'_valid_till':
+                                                       $row_quoted[$column] = '0';
+                                                       break;
+                                               case $table.'_author':
+                                                       $row_quoted[$column] = $this->lms->get_authorized_user_id();
+                                                       //die($this->lms->get_authorized_user_id().'=USER');
+                                                       break;
+                                       }
+                               }
+                       }
+                       $sql .= $comma.'('.implode(',',$row_quoted).')';
                        $comma = ',';
                }
 
@@ -338,7 +410,14 @@ class Sklad_DB extends PDO {
                return $this->lastInsertId();
        }
 
+       function insert_or_update_multitab($values) {
+               $last=false;
+               foreach($values as $table => $rows) $last = $this->insert_or_update($table, $rows);
+               return $last;
+       }
+
        function delete($table, $id, $suffix_id='_id') {
+               if($this->contains_history($table)) die(trigger_error("V tabulce $table jentak neco mazat nebudes chlapecku :-P")); //TODO post redirect get
                $key = $this->escape($table.$suffix_id);
                $table = $this->escape($table);
                $id = $this->quote($id);
@@ -362,8 +441,8 @@ class Sklad_UI {
                $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, $search));
+       function render_items($class, $id=false, $limit=false, $offset=0, $search=false, $history=false) {
+               return $this->html->render_item_table($this->db->get_listing($class, $id, $limit, $offset, $search, $history, false));
        }
 
        function render_form_add($class) {
@@ -389,6 +468,7 @@ class Sklad_UI {
                $html.= $this->html->link('>>', "$class/$id_next/");
                $html.= '<br />';
                $html.= $this->html->link('edit', "$class/$id/edit/");
+               if($this->db->contains_history($class)) $html.= ' ][ '.$this->html->link('history', "$class/$id/history/");
                return $html;
        }
 
@@ -413,7 +493,7 @@ class Sklad_UI {
                        $html.=$this->render_listing_navigation($class, '*', $limit, $offset);
                }
                if($edit)       {
-                       $html.='<br />TODO UPDATE FORM!<br />';
+                       $html.='<br />TODO UPDATE FORM!<br />'; //TODO: Asi uz je hotovy...
                        $html.= $this->render_form_edit($class, $id);
                        $action = $_SERVER['SCRIPT_NAME']."/$class/$id/delete";
            $html.= "<form action='$action' method='POST'>";
@@ -433,43 +513,62 @@ class Sklad_UI {
                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', $next).'.';
-               die();
+       function post_redirect_get($location, $message='') {
+               $location = $this->html->internal_url($location).'?message='.urlencode($message);
+               header('Location: '.$location);
+               die("Location: $location");
+       }
+
+       function safe_include($dir,$name,$vars=array(),$ext='.inc.php') {
+               if(preg_match('/[^a-zA-Z0-9-]/',$name)) die(trigger_error('SAFE INCLUDE: Securityfuck.'));
+               $filename="$dir/$name$ext";
+               if(!is_file($filename)) die(trigger_error('SAFE INCLUDE: Fuckfound.'));
+               foreach($vars as $var => $val) $$var=$val;
+               ob_start();
+               include($filename);
+               $out=ob_get_contents();
+               ob_end_clean();
+               return $out;
        }
 
        function process_http_request_post($action=false, $class=false, $id=false) {
                if($_SERVER['REQUEST_METHOD'] != 'POST') return;
-               echo('<pre>'); //DEBUG (maybe todo remove)
+               //echo('<pre>'); //DEBUG (maybe todo remove), HEADERS ALREADY SENT!!!!
 
                //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;
+
+               /* Tenhle foreach() prekopiruje promenne
+                * z:           $_POST['values'][$table][$column][$id];
+                * do:  $values[$table][$id][$column]
+                */
+               if(isset($_POST['values'])) {
+                       $values=array();
+                       foreach($_POST['values'] as $table => $columns) {
+                               foreach($columns as $column => $ids) {
+                                       foreach($ids as $id => $val) $values[$table][$id][$column] = $val;
+                               }
                        }
+                       //die(print_r($values));
                }
 
                if($action) switch($action) {
                        case 'new':
                        case 'edit':
-                               if(!isset($_POST['table'])) die(trigger_error("Jest nutno specifikovat tabulku voe!"));
-                               $table=$_POST['table'];
+                               //if(!isset($_POST['table'])) die(trigger_error("Jest nutno specifikovat tabulku voe!"));
+                               //$table=$_POST['table'];
+                               $table='item';
                                //print_r($values); //debug
-                               $last = $this->db->insert_or_update($table, $values);
-                               $this->post_redirect_get("$table/$last/", "$table/new/");
+                               $last = $this->db->insert_or_update_multitab($values);
+                               $last = "$table/$last/";
+                               $next = "$table/new/";
+                               echo 'Hotovo. Poslední vložený záznam naleznete '.$this->html->link('zde', $last).'.<br />'.
+                                       'Další záznam přidáte '.$this->html->link('zde', $next).'.';
+                               die();
                                break;
                        case 'delete':
                                if(!isset($_POST['sure']) || !$_POST['sure']) die(trigger_error('Sure user expected :-)'));
-                               //$this->db->delete($class, $id);
-                               die('Neco asi bylo smazano. Fnuk :\'-('); //TODO REDIRECT
+                               $this->db->delete($class, $id);
+                               $this->post_redirect_get("$class", "Neco (pravdepodobne /$class/$id) bylo asi smazano. Fnuk :'-(");
                                break;
                        case 'image':
                                $image_classes = array('model'); //TODO, use this more widely across the code
@@ -477,9 +576,9 @@ class Sklad_UI {
                                $image_destination = DIR_IMAGES."/$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 :('));
+                                       chmod ($image_destination, 0664);
+                                       $this->post_redirect_get("$class/$id", 'Obrazek se naladoval :)');
+                               } else die(trigger_error('Soubor se nenahral :('));
                                break;
                        default:
                                trigger_error('Nothin\' to do here my cutie :-*');
@@ -498,7 +597,7 @@ class Sklad_UI {
                }
 
                $PATH_INFO=@trim($_SERVER[PATH_INFO]);
-               echo $this->html->header($PATH_INFO);
+               if($_SERVER['REQUEST_METHOD'] != 'POST') echo $this->html->header($PATH_INFO); //TODO tahle podminka naznacuje ze je v navrhu nejaka drobna nedomyslenost...
 
 
                //Sephirot:
@@ -508,6 +607,10 @@ class Sklad_UI {
                        case 'test':    //test
                                die('Tell me why you cry');
                                break;
+                       case 'assistant': //assistant
+                               $assistant_vars['step'] = isset($PATH_CHUNKS[3]) && is_numeric($PATH_CHUNKS[3]) ? trim($PATH_CHUNKS[3]) : false;
+                               echo $this->safe_include(DIR_ASSISTANTS,$PATH_CHUNKS[2],$assistant_vars);
+                               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';
@@ -523,14 +626,15 @@ class Sklad_UI {
                                                $edit=false;
                                                switch($PATH_CHUNKS[3]) {
                                                        case 'edit':    //?/?/edit
-                                                       case 'image':   //?/image
-                                                       case 'delete':  //?/delete
+                                                       case 'image':   //?/?/image
+                                                       case 'delete':  //?/?/delete
                                                                $this->process_http_request_post($PATH_CHUNKS[3], $class, $id);
                                                                $edit=true;
                                                        default:        //?/?/?
+                                                               $history = $PATH_CHUNKS[3] == 'history' ? true : false;
                                                                $limit  = (int) (isset($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 $this->render_items($class, $id, $limit, $offset, $search, $history);
                                                                echo $this->render_listing_extensions($class, $id, $limit, $offset, $edit);
                                                                //print_r(array("<pre>",$_SERVER));
                                                                break;
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