inc/nodes.inc

   1 <?php
   2    if (!function_exists('str_split')){
   3      function str_split($string, $split_length=1){
   4
   5          if ($split_length < 1){
   6            return false;
   7          }
   8
   9          for ($pos=0, $chunks = array(); $pos < strlen($string); $pos+=$split_length){
  10            $chunks[] = substr($string, $pos, $split_length);
  11          }
  12          return $chunks;
  13      }
  14    }
  15
  16 class nodes {
  17
  18
  19
  20 function addNode($params) {
  21         global $db,$node,$error,$error_messages;
  22         $parent_id=$params['node_parent'];
  23
  24         if (!is_numeric($parent_id)) {
  25                 $parent_id=$node['node_id'];
  26         }
  27
  28         $parent_permissions=permissions::checkPermissions($parent_id);
  29         if (!$parent_permissions['w']) {
  30                 $error=$error_messages['WRITE_PERMISSION_ERROR'];
  31                 log::log('add','error','WRITE_PERMISSION_ERROR');
  32                 return false;
  33         }
  34
  35
  36         $kset=$db->query("select user_k from users where user_id='$params[node_creator]'");
  37         $kset->next();
  38         $user_k=$kset->getString('user_k');
  39
  40         if ($params['flag']=='registration') $params['node_creator']=UBIK_ID;
  41
  42         if (!$user_k && $params['node_creator']!=UBIK_ID) {
  43                 $error=$error_messages['K_SPENT'];
  44                 return false;
  45         }
  46
  47
  48
  49         $set=$db->query("select node_vector,node_children_count from nodes where node_id='$parent_id'");
  50         $set->next();
  51         $parent_vector=$set->getString('node_vector');
  52
  53         if ($set->getInt('node_children_count')>MAX_CHILDREN) {
  54                 $error=$error_messages['MAX_CHILDREN'];
  55                 return false;
  56         }
  57
  58         //working with external links
  59         $external_link=$params['external_link'];
  60
  61         $template_id=$params['template_id'];
  62         if (!is_numeric($template_id)) $template_id=DEFAULT_TEMPLATE_ID;
  63
  64         $q="insert into nodes set
  65 node_name='".$params['node_name']."',
  66 node_external_access='".$node['node_external_access']."',
  67 node_system_access='".$node['node_system_access']."',
  68 node_creator='".$params['node_creator']."',
  69 template_id='".$template_id."',
  70 external_link='".$external_link."',
  71 node_parent='".$parent_id."',
  72 node_views=0,node_created=NOW(),
  73 node_content='".$params['node_content']."',
  74 node_vector='".$params['node_vector']."'";
  75         $db->query("start transaction");
  76         $db->query($q);
  77         $id=$db->getLastInsertId();
  78
  79 //node_content MyIsam only for FULLTEXT !!!
  80 //        $db->query("insert into node_content set node_id='$id',node_content='".$params['node_content']."'");
  81
  82         $new_id=str_pad($id,VECTOR_CHARS,"0",STR_PAD_LEFT);
  83         $new_vector=trim($parent_vector,"z").$new_id;
  84
  85         if ($params['flag']=='registration') $db->query("update nodes set node_system_access='public',node_external_access='yes',node_creator=$id where node_id=$id");
  86
  87         $db->query("update nodes set node_vector='$new_vector' where node_id='$id'");
  88         $db->query("update nodes set node_children_count=node_children_count+1 where node_id='$parent_id'");
  89
  90         $node_vector=trim(chunk_split($new_vector,VECTOR_CHARS,';'),';');
  91
  92         $ancestors=explode(";",$node_vector);
  93         foreach($ancestors as $key => $ancestor_id) {
  94                 if ($key) {
  95                         $ancestor_id=ltrim($ancestor_id,'0');
  96                         $db->query("update nodes set node_descendant_count=node_descendant_count+1,lastdescendant_created=NOW() where node_id='$ancestor_id'");
  97                 }
  98         }
  99         $db->query("update node_access set node_user_subchild_count=node_user_subchild_count+1 where node_id='$parent_id'");
 100         --$user_k;
 101         $db->query("update users set user_k='$user_k' where user_id='$params[node_creator]'");
 102         $db->query("commit");
 103         log::log('add','ok',$id);
 104
 105         if ($_POST['code']) {
 106                 $params['node_creator']=UBIK_ID;
 107                 $params['node_parent']=WARNING_ZONE;
 108                 $params['node_name']="node $id added with code_parameter";
 109                 $params['node_content']="node <a href='/id/$id'>$id</a> added with code_parameter";
 110                 unset($_POST['code']);
 111                 nodes::addNode($params);
 112         }
 113
 114         return $id;
 115 }
 116
 117
 118 function processContent($node_content) {
 119         global $node;
 120         include_once(SYSTEM_ROOT.'/inc/htmlparse.inc');
 121
 122         if ($node['template_id']==$node['node_id'] && $_POST['event']=='configure_content') {
 123
 124         }
 125
 126         elseif ($_POST['no_html']) {
 127                 $node_content=htmlspecialchars($node_content);
 128         }
 129
 130         elseif ($_POST['wiki']) {
 131                 // load the class file
 132                 require_once 'Text/Wiki.php';
 133
 134                 // instantiate a Text_Wiki object with the default rule set
 135                 $wiki =& new Text_Wiki();
 136
 137                 $node_content = $wiki->transform($node_content, 'Xhtml');
 138         }
 139
 140         elseif ($_POST['code']) {}
 141
 142         else {
 143                 global $db,$htmlparse,$error;
 144
 145                 if (!htmlparse::htmlparse($node_content)) {
 146                         $error=$htmlparse;
 147                         return false;
 148                 }
 149
 150                 $node_content = eregi_Replace("((( )|(\n)|(^))+)(http://|ftp://|https://)([[:alnum:]][^,[:space:]]*)","\\2<a target='_blank' href=\"\\6\\7\">\\6\\7</a>",$node_content);
 151                 $node_content = mysql_real_escape_string($node_content);
 152         }
 153
 154         return $node_content;
 155 }
 156
 157
 158         function getUserByLogin($login) {
 159                 global $error, $error_messages;
 160                 $q2="select user_id from users where login='".$login."'";
 161                 $userset=$db->query($q2);
 162                 $userset->next();
 163                 $id=$userset->getString('user_id');
 164                 if (is_numeric($id)) return $id;
 165                 else {
 166                         $error = $error_messages['USER_NOT_FOUND'];
 167                         return false;
 168                 }
 169         }
 170
 171
 172         function getNodeIdByName($name,$external_link=false) {
 173                 global $db;
 174                 $q="select node_id from nodes where node_name='$name'";
 175                 if ($external_link) $q.=" and external_link='$external_link'";
 176                 $set=$db->query($q);
 177                 $set->next();
 178                 return $set->getString('node_id');
 179         }
 180
 181         function getNodeById($node_handle,$user_id, $table_name="nodes") {
 182                 global $db, $error;
 183                 $q="select length(concat($table_name.node_vector)) as
 184 vector_depth,$table_name.*,$table_name.node_creator as
 185 node_owner_id,creator.node_name as owner,node_access.*,$table_name.node_id as
 186 node_id,node_parent.node_name as node_parent_name
 187 from $table_name left join $table_name as creator on creator.node_id=$table_name.node_creator
 188 left join $table_name as node_parent on $table_name.node_parent=node_parent.node_id
 189 left join node_access on (node_access.node_id='$node_handle' and node_access.user_id='$user_id')
 190 where $table_name.node_id='$node_handle'";
 191
 192                 $result=$db->query($q);
 193                 if (!$result->next()) {
 194                         return false;
 195                 }
 196                 else {
 197                         $node=$result->getRecord();
 198                         $node['node_vector']=trim($node['node_vector'],"z");
 199                         $ancestors=str_split($node['node_vector'],VECTOR_CHARS);
 200                         foreach ($ancestors as $ancestor) {
 201                           $node['ancestors'][]=array("name"=>"","link"=>ltrim($ancestor,"0"));
 202                         }
 203                 }
 204                 return $node;
 205
 206         }
 207
 208
 209         function redirByName($node_handle) {
 210                 global $db, $error;
 211                 $user_id=$_SESSION['user_id'];
 212                 $set=$db->query("select node_id from nodes where node_name='$node_handle' and node_creator='$user_id'");
 213                 if ($set->next()) {
 214                         $node_id=$set->getString('node_id');
 215                         if (!empty($node_id)) {
 216                                 return nodes::getNodeById($node_id,$_SESSION['user_id']);
 217                         }
 218
 219                 }
 220                 $set=$db->query("select node_id from nodes where node_name='$node_handle' ");
 221                 $set->next();
 222                 $node_id=$set->getString('node_id');
 223                 if (!empty($node_id)) {
 224                         return nodes::getNodeById($node_id,$_SESSION['user_id']);
 225                 }
 226
 227         }
 228
 229         function getNodesByName($node_handle) {
 230                 global $db, $error;
 231                 $q="select nodes.* from nodes where node_name='$node_handle%'";
 232
 233                 $result=$db->query($q);
 234
 235                 while ($result->next()){
 236                         $record[]=$result->getRecord();
 237                 }
 238                 return $record;
 239
 240         }
 241
 242
 243
 244         function getChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
 245                 global $db, $error, $node;
 246                 $node_handle=$node['node_id'];
 247
 248                 $q="select users.*,nodes.* from nodes
 249 left join users on users.user_id=nodes.node_creator where
 250 node_parent='$node_handle' order by node_created $orderby LIMIT $offset,$limit";
 251                 echo $q;
 252                 $result=$db->query($q);
 253
 254                 while ($result->next()) {
 255                         $array[]=$result->getRecord();
 256                 }
 257
 258                 return $array;
 259
 260         }
 261
 262
 263         function getThreadedChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
 264                 global $db, $error, $node;
 265                 $node_handle=$node['node_id'];
 266
 267                 $q="select length(node_vector) as depth,users.login,nodes.* from nodes left join users on users.user_id=nodes.node_creator where  node_vector like '".$node['node_vector'].";".$node['node_id']."%' and node_type=3 order by concat(node_vector,';',nodes.node_id,';z') desc,depth LIMIT $offset,$limit";
 268
 269                 $result=$db->query($q);
 270
 271                 while ($result->next()) {
 272                         $children_array[]=$result->getRecord();
 273                 }
 274
 275                 return $children_array;
 276
 277         }
 278
 279
 280
 281         function getNodeAccessData() {
 282                 global $node,$db;
 283                 $q="select users.login,node_access.* from node_access left join users on users.user_id=node_access.user_id where node_id='".$node['node_id']."' and node_permission!=''";
 284                 $result=$db->query($q);
 285
 286                 while ($result->next()) {
 287                         $access_data[]=$result->getRecord();
 288                 }
 289
 290                 return $access_data;
 291
 292         }
 293 }
 294
 295 ?>