wwwroot/backend/mysql/backend.inc

   1 <?php
   2 class nodes {
   3 // All mysql code should go here
   4 // Split into multiple files if needed
   5
   6 function processContent($node_content) { return processContent_hack($node_content); } //XXX TODO FIXME HACK
   7
   8 // Called for every node view. Updates node views, neurons,
   9 function update_nodes($user_id,$node_id,$referer_id) {
  10         global $node,$db,$error;
  11         $db->update("update nodes set node_views=node_views+1 where".
  12                      "node_id='".$node_id."'");
  13         if (is_numeric($referer_id) && ($referer_id)) {
  14                 $q="update neurons set synapse=synapse+1 where ".
  15                     "dst='".$node_id."' and src='$referer_id'";
  16                 $result=$db->update($q);
  17                 if (!$result) {
  18                         $q="insert into neurons set synapse_creator='".
  19                            $user_id."',dst='".$node_id.
  20                            "',src='$referer_id',synapse=1";
  21                         $db->query($q);
  22                 }
  23         }
  24
  25         // LEVENSHTEIN
  26
  27         // these 4 lines are not the source of kyberia lagging problems.
  28         // leave them. started on the 10.4.
  29         // data gained will be used for scientific purposes
  30         if ($user_id) {
  31                 $q="insert delayed into levenshtein set user_id='".
  32                     $user_id."',node_id='".$node_id."'";
  33                 $db->update($q);
  34         }
  35 }
  36
  37
  38 function putNode($what,$where,$checkpermissions=true) {
  39         global $db,$error,$error_messages;
  40         $user_id = $_SESSION['user_id'];
  41         if (!$user_id) {
  42                 $user_id=UBIK_ID;
  43         }
  44         if (!is_numeric($what) || !is_numeric($where)) {
  45                 $error=$error_messages['NUMERIC_NOT_NUMERIC'];
  46         }
  47
  48         $nodeshell = nodes::getNodeById($where,$user_id);
  49         $nodeshell_vector = $nodeshell['node_vector'];
  50
  51         if ($checkpermissions) {
  52                 $nodeshell_permissions = permissions::checkPerms($nodeshell);
  53                 if (!$nodeshell_permissions['w']) {
  54                         $error = $error_messages['WRITE_PERMISSION_ERROR'];
  55                         return false;
  56                 }
  57         }
  58
  59         $dst_vector = $nodeshell_vector.str_pad($chosen,VECTOR_CHARS,0,STR_PAD_LEFT);
  60         $q = "update neurons set synapse_created=NOW(),link='hard',synapse=synapse+1, dst_vector='$dst_vector' where src='$what' and dst='$where'";
  61         $result=$db->update($q);
  62
  63         if (!$result) $db->query("insert into neurons set synapse_creator='$user_id',synapse_created=NOW(), src='$what',dst='$where',dst_vector='$dst_vector',link='hard',synapse=1");
  64         $db->query("update nodes set lastdescendant_created=NOW(),node_children_count=node_children_count+1 where node_id='$where'");
  65 }
  66
  67 function addNode($params) {
  68         global $db,$node,$error,$error_messages;
  69         $parent_id=$params['node_parent'];
  70
  71         if ($params['flag']=='registration') $params['node_creator']=UBIK_ID;
  72
  73         if (!is_numeric($parent_id)) {
  74                 $parent_id=$node['node_id'];
  75         }
  76
  77         $parent_permissions=permissions::checkPerms($parent_id);
  78         print_r($parent_permissions);
  79         if (!$parent_permissions['w']) {
  80                 $error=$error_messages['WRITE_PERMISSION_ERROR'];
  81                 logger::log('add','error','WRITE_PERMISSION_ERROR');
  82                 die("trralalala1");
  83                 return false;
  84         }
  85
  86
  87         $kset=$db->query("select user_k from users where user_id='$params[node_creator]'");
  88         $kset->next();
  89         $user_k=$kset->getString('user_k');
  90
  91         if (!$user_k && $params['node_creator']!=UBIK_ID) {
  92                 $error=$error_messages['K_SPENT'];
  93         }
  94
  95
  96
  97         $set=$db->query("select node_vector,node_children_count from nodes where node_id='$parent_id'");
  98         $set->next();
  99         $parent_vector=$set->getString('node_vector');
 100
 101         if ($set->getInt('node_children_count')>MAX_CHILDREN) {
 102                 $error=$error_messages['MAX_CHILDREN'];
 103                 return false;
 104         }
 105
 106         //working with external links
 107         $external_link=$params['external_link'];
 108
 109         $template_id=$params['template_id'];
 110         if (!is_numeric($template_id)) $template_id=DEFAULT_TEMPLATE_ID;
 111
 112         if(!isset($params['node_system_access'])) $params['node_system_access'] = $node['node_system_access'];
 113         if(!isset($params['node_external_access'])) $params['node_external_access'] = $node['node_external_access'];
 114
 115         $q="insert into nodes set
 116 node_name='".$params['node_name']."',
 117 node_external_access='".$params['node_external_access']."',
 118 node_system_access='".$params['node_system_access']."',
 119 node_creator='".$params['node_creator']."',
 120 template_id='".$template_id."',
 121 external_link='".$external_link."',
 122 node_parent='".$parent_id."',
 123 node_views=0,node_created=NOW(),
 124 node_content='".$params['node_content']."',
 125 node_vector='".$params['node_vector']."'";
 126         $db->query("start transaction");
 127         $db->query($q);
 128         $id=$db->getLastInsertId();
 129
 130 //node_content MyIsam only for FULLTEXT !!!
 131 //        $db->query("insert into node_content set node_id='$id',node_content='".$params['node_content']."'");
 132
 133         $new_id=str_pad($id,VECTOR_CHARS,"0",STR_PAD_LEFT);
 134         $new_vector=trim($parent_vector,"z").$new_id;
 135
 136         if ($params['flag']=='registration') $db->query("update nodes set node_system_access='public',node_external_access='yes',node_creator=$id where node_id=$id");
 137
 138         $db->query("update nodes set node_vector='$new_vector' where node_id='$id'");
 139         $db->query("update nodes set node_children_count=node_children_count+1 where node_id='$parent_id'");
 140
 141         $node_vector=trim(chunk_split($new_vector,VECTOR_CHARS,';'),';');
 142
 143         $ancestors=explode(";",$node_vector);
 144         foreach($ancestors as $key => $ancestor_id) {
 145                 if ($key) {
 146                         $ancestor_id=ltrim($ancestor_id,'0');
 147                         $db->query("update nodes set node_descendant_count=node_descendant_count+1,lastdescendant_created=NOW() where node_id='$ancestor_id'");
 148                 }
 149         }
 150         $db->query("update node_access set node_user_subchild_count=node_user_subchild_count+1 where node_id='$parent_id'");
 151         --$user_k;
 152         $db->query("update users set user_k='$user_k' where user_id='$params[node_creator]'");
 153         $db->query("commit");
 154         logger::log('add','ok',$id);
 155
 156         if ($_POST['code']) {
 157                 $params['node_creator']=UBIK_ID;
 158                 $params['node_parent']=WARNING_ZONE;
 159                 $params['node_name']="node $id added with code_parameter";
 160                 $params['node_content']="node <a href='/id/$id'>$id</a> added with code_parameter";
 161                 unset($_POST['code']);
 162                 nodes::addNode($params);
 163         }
 164
 165         return $id;
 166 }
 167
 168
 169 function getUserByLogin($login) {
 170         global $error, $error_messages;
 171         $q2="select user_id from users where login='".$login."'";
 172         $userset=$db->query($q2);
 173         $userset->next();
 174         $id=$userset->getString('user_id');
 175         if (is_numeric($id)) return $id;
 176         else {
 177                 $error = $error_messages['USER_NOT_FOUND'];
 178                 return false;
 179         }
 180 }
 181
 182 static function getNodeIdByName($name, $external_link=false) {
 183         global $db;
 184
 185         $qh = sprintf('select node_id from nodes where node_name = "%s"', mysql_real_escape_string($name));
 186         if ($external_link)
 187                 $qh .= sprintf(' and external_link="%s"', mysql_real_escape_string($external_link));
 188
 189         $set = $db->query($qh);
 190         $set->next();
 191         return $set->getString('node_id');
 192 }
 193
 194 function getNodeById($node_handle,$user_id, $table_name="nodes") {
 195         global $db, $error;
 196         $q="select length(concat($table_name.node_vector)) as
 197 vector_depth,$table_name.*,$table_name.node_creator as
 198 node_owner_id,creator.node_name as owner,node_access.*,$table_name.node_id as
 199 node_id,node_parent.node_name as node_parent_name
 200 from $table_name left join $table_name as creator on creator.node_id=$table_name.node_creator
 201 left join $table_name as node_parent on $table_name.node_parent=node_parent.node_id
 202 left join node_access on (node_access.node_id='$node_handle' and node_access.user_id='$user_id')
 203 where $table_name.node_id='$node_handle'";
 204
 205         $result=$db->query($q);
 206         if (!$result->next()) {
 207                 return false;
 208         }
 209         else {
 210                 $node=addBase36id($result->getRecord());
 211                 $node['node_vector']=trim($node['node_vector'],"z");
 212                 $ancestors=str_split($node['node_vector'],VECTOR_CHARS);
 213                 foreach ($ancestors as $ancestor) {
 214                         $node['ancestors'][]=array("name"=>"","link"=>ltrim($ancestor,"0"));
 215                 }
 216         }
 217         transport_process_node($node);
 218         return $node;
 219
 220 }
 221
 222
 223 function redirByName($node_handle) {
 224         global $db, $error;
 225         $user_id=$_SESSION['user_id'];
 226         $set=$db->query("select node_id from nodes where node_name='$node_handle' and node_creator='$user_id'");
 227         if ($set->next()) {
 228                 $node_id=$set->getString('node_id');
 229                 if (!empty($node_id)) {
 230                         return nodes::getNodeById($node_id,$_SESSION['user_id']);
 231                 }
 232
 233         }
 234         $set=$db->query("select node_id from nodes where node_name='$node_handle' ");
 235         $set->next();
 236         $node_id=$set->getString('node_id');
 237         if (!empty($node_id)) {
 238                 return nodes::getNodeById($node_id,$_SESSION['user_id']);
 239         }
 240
 241 }
 242
 243 function getNodesByName($node_handle) {
 244         global $db, $error;
 245         $q="select nodes.* from nodes where node_name='$node_handle%'";
 246
 247         $result=$db->query($q);
 248
 249         while ($result->next()){
 250                 $record[]=addBase36id($result->getRecord());
 251         }
 252         return $record;
 253
 254 }
 255
 256
 257
 258 function getChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
 259         global $db, $error, $node;
 260         $node_handle=$node['node_id'];
 261
 262         $q="select users.*,nodes.* from nodes
 263 left join users on users.user_id=nodes.node_creator where
 264 node_parent='$node_handle' order by node_created $orderby LIMIT $offset,$limit";
 265         echo $q;
 266         $result=$db->query($q);
 267
 268         while ($result->next()) {
 269                 $array[]=addBase36id($result->getRecord());
 270         }
 271
 272         return $array;
 273
 274 }
 275
 276
 277 function getThreadedChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
 278         global $db, $error, $node;
 279         $node_handle=$node['node_id'];
 280
 281         $q="select length(node_vector) as depth,users.login,nodes.* from nodes left join users on users.user_id=nodes.node_creator where  node_vector like '".$node['node_vector'].";".$node['node_id']."%' and node_type=3 order by concat(node_vector,';',nodes.node_id,';z') desc,depth LIMIT $offset,$limit";
 282
 283         $result=$db->query($q);
 284
 285         while ($result->next()) {
 286                 $children_array[]=addBase36id($result->getRecord());
 287         }
 288
 289         return $children_array;
 290
 291 }
 292
 293
 294
 295 function getNodeAccessData() {
 296         global $node,$db;
 297         $q="select users.login,node_access.* from node_access left join users on users.user_id=node_access.user_id where node_id='".$node['node_id']."' and node_permission!=''";
 298         $result=$db->query($q);
 299
 300         while ($result->next()) {
 301                 $access_data[]=$result->getRecord();
 302         }
 303
 304         return $access_data;
 305
 306 }
 307
 308
 309 // Simple internal function to set node parrent
 310
 311 function setParent($node_id,$parent_id) {
 312         global $db,$node,$error,$error_messages;
 313
 314         if (!is_numeric($parent_id)) {
 315                 return false;
 316         }
 317
 318         $q="select node_vector from nodes where node_id='$parent_id'";
 319         $set=$db->query($q);
 320         $set->next();
 321         $parent_vector=$set->getString('node_vector');
 322         $new_vector=$parent_vector.str_pad($node_id,VECTOR_CHARS,"0",STR_PAD_LEFT);
 323
 324         $q="update nodes set node_parent='$parent_id',node_vector='$new_vector' where node_id='$node_id'";
 325         $db->query($q);
 326
 327         return 0;
 328 }
 329
 330 // Get nodes sorted by weight_k specific to user
 331
 332 function getKNeurons($user_id,$interval) {
 333         global $db,$node,$error,$error_messages;
 334
 335         $q="call k_neurons('$user_id','$interval')";
 336         $set=$db->query($q);
 337
 338         while ($set->next()) {
 339                 $k_array[]=$set->getRecord();
 340         }
 341
 342         return $k_array;
 343 }
 344
 345 }