synapse_weight typo fix

[mirrors/Kyberia-bloodline.git] / wwwroot / backend / mysql / backend.inc

diff --git a/wwwroot/backend/mysql/backend.inc b/wwwroot/backend/mysql/backend.inc
index 55e633ffbc2fe4ac3f27a320c969b4197f578139..515b344aa00d701f4b52671bb35029d220fdd738 100644 (file)
--- a/wwwroot/backend/mysql/backend.inc
+++ b/wwwroot/backend/mysql/backend.inc
@@ -49,7 +49,7 @@ function putNode($what,$where,$checkpermissions=true) {
        $nodeshell_vector = $nodeshell['node_vector'];
        
        if ($checkpermissions) {
-               $nodeshell_permissions = permissions::checkPermissions($nodeshell);
+               $nodeshell_permissions = permissions::checkPerms($nodeshell);
                if (!$nodeshell_permissions['w']) {
                        $error = $error_messages['WRITE_PERMISSION_ERROR'];
                        return false;
@@ -68,11 +68,14 @@ function addNode($params) {
         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');
@@ -84,11 +87,8 @@ function addNode($params) {
         $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;
         }
 
 
@@ -341,4 +341,77 @@ function getKNeurons($user_id,$interval) {
        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;
+
 }
+}
+
+?>