$nodeshell_vector = $nodeshell['node_vector'];
if ($checkpermissions) {
- $nodeshell_permissions = permissions::checkPermissions($nodeshell);
+ $nodeshell_permissions = permissions::checkPerms($nodeshell);
if (!$nodeshell_permissions['w']) {
$error = $error_messages['WRITE_PERMISSION_ERROR'];
return false;
global $db,$node,$error,$error_messages;
$parent_id=$params['node_parent'];
+ if ($params['flag']=='registration') $params['node_creator']=UBIK_ID;
+
if (!is_numeric($parent_id)) {
$parent_id=$node['node_id'];
}
- $parent_permissions=permissions::checkPermissions($parent_id);
+ $parent_permissions=permissions::checkPerms($parent_id);
+
if (!$parent_permissions['w']) {
$error=$error_messages['WRITE_PERMISSION_ERROR'];
logger::log('add','error','WRITE_PERMISSION_ERROR');
$kset->next();
$user_k=$kset->getString('user_k');
- if ($params['flag']=='registration') $params['node_creator']=UBIK_ID;
-
if (!$user_k && $params['node_creator']!=UBIK_ID) {
$error=$error_messages['K_SPENT'];
- return false;
}
return 0;
}
-// XXX TODO
-//
+// Get nodes sorted by weight_k specific to user
-function get_k_neurons($user_id,$interval) {
+function getKNeurons($user_id,$interval) {
global $db,$node,$error,$error_messages;
$q="call k_neurons('$user_id','$interval')";
$set=$db->query($q);
-// $set->next();
- return $set;
+
+ while ($set->next()) {
+ $k_array[]=$set->getRecord();
+ }
+
+ return $k_array;
}
+// setSynapse
+
+// Set synapse weight.
+// If synapse does not exists, create a new one.
+// Secure.
+// Returns true on sucess, otherwise false.
+function setSynapse($params){
+ global $db,$node,$error,$error_messages;
+
+ // security check
+ if ((!is_numeric($params['src']))
+ or (!is_numeric($params['dst']))
+ or (!is_numeric($params['weight']))) {
+
+ return false;
+ }
+
+ $src=$params['src'];
+ $dst=$params['dst'];
+ $weight=$params['weight'];
+
+ // weight could be only positive
+ if ( $weight < 0) {
+ return false;
+ }
+ // if already exists
+ $q="select count(src) from neurons where dst ='$dst' and src = '$src'";
+ $set=$db->query($q);
+ $set->next();
+ $isrc=$set->getString('count(src)');
+
+ if ( $isrc > 0 ) {
+ $q="update neurons set synapse_weight='$weight'
+ where dst = '$dst' and src = '$src'";
+ } else {
+ // FIXME no vector set
+ $q="insert into neurons values('$weight','$dst','$src',0,'synapse',
+ CURRENT_TIMESTAMP(),now(),NULL,$src)";
+ }
+ $set=$db->query($q);
+
+ return true;
+}
+
+// getSynapseWeight
+
+// If synapse does not exists, weight is 1
+// Secure.
+// Returns synapse weight (from user to node)
+
+function getSynapseWeight($user_id,$node_id){
+ global $db;
+
+ if (!is_numeric($user_id))
+ { return -1; }
+ if (!is_numeric($node_id))
+ { return -1; }
+
+ $set=$db->query("select synapse_weight from neurons where src =".
+ $user_id." and dst = ".$node_id." and link='synapse'");
+
+ $set->next();
+ $synapse_weight=$set->getString('synapse_weight');
+
+ if (! ($synapse_weight) ) { $synapse_weight = 1;}
+
+ return $synapse_weight;
+
+}
}
+?>