X-Git-Url: https://git.harvie.cz/?a=blobdiff_plain;ds=sidebyside;f=wwwroot%2Fbackend%2Fmysql%2Fbackend.inc;h=aa6e3c97b9ab0314284a6fbe3432f67e4ceb1ac3;hb=1f014b94d50fde9d3fefc5c4b29cf3afe4ab0b05;hp=b3f17dc3e2904e23b91a9beeb465972c6752a5be;hpb=2bda541f45eca3abddb70ad9121b81742b53cb02;p=mirrors%2FKyberia-bloodline.git

diff --git a/wwwroot/backend/mysql/backend.inc b/wwwroot/backend/mysql/backend.inc
index b3f17dc..aa6e3c9 100644
--- a/wwwroot/backend/mysql/backend.inc
+++ b/wwwroot/backend/mysql/backend.inc
@@ -1,3 +1,482 @@
-<?
+<?php
+class nodes {
 // All mysql code should go here
+// Split into multiple files if needed
+
+public static function processContent($node_content) { return processContent_hack($node_content); } //XXX TODO FIXME HACK
+
+// Called for every node view. Updates node views, neurons, 
+public static function update_nodes($user_id,$node_id,$referer_id) {
+	global $node,$db,$error;
+	$db->update("update nodes set node_views=node_views+1 where".
+		     "node_id='".$node_id."'");
+	if (is_numeric($referer_id) && ($referer_id)) {
+		$q="update neurons set synapse=synapse+1 where ".
+		    "dst='".$node_id."' and src='$referer_id'";
+		$result=$db->update($q);
+		if (!$result) {
+			$q="insert into neurons set synapse_creator='".
+			   $user_id."',dst='".$node_id.
+			   "',src='$referer_id',synapse=1";
+			$db->query($q);
+		}
+	}
+
+	// LEVENSHTEIN
+
+	// these 4 lines are not the source of kyberia lagging problems.
+	// leave them. started on the 10.4. 
+	// data gained will be used for scientific purposes
+	if ($user_id) {
+	        $q="insert delayed into levenshtein set user_id='".
+		    $user_id."',node_id='".$node_id."'";
+	        $db->update($q);
+	}
+}
+
+
+public static function putNode($what,$where,$checkpermissions=true) {
+	global $db,$error,$error_messages;
+	$user_id = $_SESSION['user_id'];
+	if (!$user_id) {
+		$user_id=UBIK_ID;
+	}
+	if (!is_numeric($what) || !is_numeric($where)) {
+		$error=$error_messages['NUMERIC_NOT_NUMERIC'];
+	}
+
+	$nodeshell = nodes::getNodeById($where,$user_id);
+	$nodeshell_vector = $nodeshell['node_vector'];
+	
+	if ($checkpermissions) {
+		$nodeshell_permissions = permissions::checkPerms($nodeshell);
+		if (!$nodeshell_permissions['w']) {
+			$error = $error_messages['WRITE_PERMISSION_ERROR'];
+			return false;
+    		}
+	}
+
+	$dst_vector = $nodeshell_vector.str_pad($chosen,VECTOR_CHARS,0,STR_PAD_LEFT);
+	$q = "update neurons set synapse_created=NOW(),link='hard',synapse=synapse+1, dst_vector='$dst_vector' where src='$what' and dst='$where'";
+	$result=$db->update($q);
+
+	if (!$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");
+	$db->query("update nodes set lastdescendant_created=NOW(),node_children_count=node_children_count+1 where node_id='$where'");
+}
+
+public static 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'];
+        }
+
+        $parent_permissions=permissions::checkPerms($parent_id);
+
+        if (!$parent_permissions['w']) {
+                $error=$error_messages['WRITE_PERMISSION_ERROR'];
+                logger::log('add','error','WRITE_PERMISSION_ERROR');
+                return false;
+        }
+
+
+        $kset=$db->query("select user_k from users where user_id='$params[node_creator]'");
+        $kset->next();
+        $user_k=$kset->getString('user_k');
+
+        if (!$user_k && $params['node_creator']!=UBIK_ID) {
+                $error=$error_messages['K_SPENT'];
+        }
+
+
+
+        $set=$db->query("select node_vector,node_children_count from nodes where node_id='$parent_id'");
+        $set->next();
+        $parent_vector=$set->getString('node_vector');
+
+        if ($set->getInt('node_children_count')>MAX_CHILDREN) {
+                $error=$error_messages['MAX_CHILDREN'];
+                return false;
+        }
+
+        //working with external links
+        $external_link=$params['external_link'];
+
+        $template_id=$params['template_id'];
+        if (!is_numeric($template_id)) $template_id=DEFAULT_TEMPLATE_ID;
+
+        if(!isset($params['node_system_access'])) $params['node_system_access'] = $node['node_system_access'];
+        if(!isset($params['node_external_access'])) $params['node_external_access'] = $node['node_external_access'];
+
+        $q="insert into nodes set
+node_name='".$params['node_name']."',
+node_external_access='".$params['node_external_access']."',
+node_system_access='".$params['node_system_access']."',
+node_creator='".$params['node_creator']."',
+template_id='".$template_id."',
+external_link='".$external_link."',
+node_parent='".$parent_id."',
+node_views=0,node_created=NOW(),
+node_content='".$params['node_content']."',
+node_vector='".$params['node_vector']."'";
+        $db->query("start transaction");
+        $db->query($q);
+        $id=$db->getLastInsertId();
+
+//node_content MyIsam only for FULLTEXT !!!
+//        $db->query("insert into node_content set node_id='$id',node_content='".$params['node_content']."'");
+
+        $new_id=str_pad($id,VECTOR_CHARS,"0",STR_PAD_LEFT);
+        $new_vector=trim($parent_vector,"z").$new_id;
+
+        if ($params['flag']=='registration') $db->query("update nodes set node_system_access='public',node_external_access='yes',node_creator=$id where node_id=$id");
+
+        $db->query("update nodes set node_vector='$new_vector' where node_id='$id'");
+        $db->query("update nodes set node_children_count=node_children_count+1 where node_id='$parent_id'");
+
+        $node_vector=trim(chunk_split($new_vector,VECTOR_CHARS,';'),';');
+
+        $ancestors=explode(";",$node_vector);
+        foreach($ancestors as $key => $ancestor_id) {
+                if ($key) {
+                        $ancestor_id=ltrim($ancestor_id,'0');
+                        $db->query("update nodes set node_descendant_count=node_descendant_count+1,lastdescendant_created=NOW() where node_id='$ancestor_id'");
+                }
+        }
+        $db->query("update node_access set node_user_subchild_count=node_user_subchild_count+1 where node_id='$parent_id'");
+        --$user_k;
+        $db->query("update users set user_k='$user_k' where user_id='$params[node_creator]'");
+        $db->query("commit");
+        logger::log('add','ok',$id);
+
+        if ($_POST['code']) {
+                $params['node_creator']=UBIK_ID;
+                $params['node_parent']=WARNING_ZONE;
+                $params['node_name']="node $id added with code_parameter";
+                $params['node_content']="node <a href='/id/$id'>$id</a> added with code_parameter";
+                unset($_POST['code']);
+                nodes::addNode($params);
+        }
+
+        return $id;
+}
+
+
+public static function getUserByLogin($login) {
+	global $error, $error_messages;
+	$q2="select user_id from users where login='".$login."'";
+	$userset=$db->query($q2);
+	$userset->next();
+	$id=$userset->getString('user_id');
+	if (is_numeric($id)) return $id;
+	else {
+		$error = $error_messages['USER_NOT_FOUND'];
+		return false;
+	}
+}
+
+public static function getNodeIdByName($name, $external_link=false) {
+	global $db;
+
+	$qh = sprintf('select node_id from nodes where node_name = "%s"', db_escape_string($name));
+    	if ($external_link)
+		$qh .= sprintf(' and external_link="%s"', db_escape_string($external_link));
+
+	$set = $db->query($qh);
+	$set->next();
+	return $set->getString('node_id');
+}
+
+public static function getNodeById($node_handle,$user_id, $table_name="nodes") {
+	global $db, $error;
+	$q="select length(concat($table_name.node_vector)) as
+vector_depth,$table_name.*,$table_name.node_creator as
+node_owner_id,creator.node_name as owner,node_access.*,$table_name.node_id as
+node_id,node_parent.node_name as node_parent_name
+from $table_name left join $table_name as creator on creator.node_id=$table_name.node_creator
+left join $table_name as node_parent on $table_name.node_parent=node_parent.node_id
+left join node_access on (node_access.node_id='$node_handle' and node_access.user_id='$user_id')
+where $table_name.node_id='$node_handle'";
+
+	$result=$db->query($q);
+	if (!$result->next()) {
+		return false;
+	}
+	else {
+		$node=addBase36id($result->getRecord());
+		$node['node_vector']=trim($node['node_vector'],"z");
+		$ancestors=str_split($node['node_vector'],VECTOR_CHARS);
+		foreach ($ancestors as $ancestor) {
+			$node['ancestors'][]=array("name"=>"","link"=>ltrim($ancestor,"0"));
+		}
+	}
+	transport_process_node($node);
+	return $node;
+
+}
+
+
+public static function redirByName($node_handle) {
+	global $db, $error;
+	$user_id=$_SESSION['user_id'];
+	$set=$db->query("select node_id from nodes where node_name='$node_handle' and node_creator='$user_id'");
+	if ($set->next()) {
+		$node_id=$set->getString('node_id');
+		if (!empty($node_id)) {
+			return nodes::getNodeById($node_id,$_SESSION['user_id']);
+		}
+
+	}
+	$set=$db->query("select node_id from nodes where node_name='$node_handle' ");
+	$set->next();
+	$node_id=$set->getString('node_id');
+	if (!empty($node_id)) {
+		return nodes::getNodeById($node_id,$_SESSION['user_id']);
+	}
+
+}
+
+public static function getNodesByName($node_handle) {
+	global $db, $error;
+	$q="select nodes.* from nodes where node_name='$node_handle%'";
+
+	$result=$db->query($q);
+
+	while ($result->next()){
+		$record[]=addBase36id($result->getRecord());
+	}
+	return $record;
+
+}
+
+
+
+public static function getChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
+	global $db, $error, $node;
+	$node_handle=$node['node_id'];
+
+	$q="select users.*,nodes.* from nodes
+left join users on users.user_id=nodes.node_creator where
+node_parent='$node_handle' order by node_created $orderby LIMIT $offset,$limit";
+	#echo $q;
+	$result=$db->query($q);
+
+	while ($result->next()) {
+		$array[]=addBase36id($result->getRecord());
+	}
+
+	return $array;
+
+}
+
+
+public static function GetUserSubmissionsChildren($user_id,$limit=23,$offset=0,$orderby='') {
+  global $db;
+
+	if (!is_numeric($user_id)) {
+		return -1;
+	}
+	if (!is_numeric($limit)) {
+		return -1;
+	}
+	if (!is_numeric($offset)) {
+		return -1;
+	}
+
+	// XXX orderby mysql escape
+
+	$q = "select child.*, users.login as login, parent.node_name as parent_name from nodes as child join 
+		(select node_id,node_creator from nodes where node_creator='$user_id')
+		as parent on child.node_parent=parent.node_id and child.node_creator <> '$user_id'
+		join users as users on users.user_id=child.node_creator order by node_created desc
+		$orderby LIMIT $offset,$limit";
+
+  #echo $q;
+  $result=$db->query($q);
+
+  while ($result->next()) {
+    $array[]=addBase36id($result->getRecord());
+  }
+
+  return $array;
+}
+
+public static function getThreadedChildrenNodes($orderby="desc",$offset=0,$limit=DEFAULT_LISTING_AMOUNT) {
+	global $db, $error, $node;
+	$node_handle=$node['node_id'];
+
+	$q="select length(node_vector) as depth,users.login,nodes.* from nodes left join users on users.user_id=nodes.node_creator where  node_vector like '".$node['node_vector'].";".$node['node_id']."%' and node_type=3 order by concat(node_vector,';',nodes.node_id,';z') desc,depth LIMIT $offset,$limit";
+
+	$result=$db->query($q);
+
+	while ($result->next()) {
+		$children_array[]=addBase36id($result->getRecord());
+	}
+
+	return $children_array;
+
+}
+
+
+
+public static function getNodeAccessData() {
+	global $node,$db;
+	$q="select users.login,node_access.* from node_access left join users on users.user_id=node_access.user_id where node_id='".$node['node_id']."' and node_permission!=''";
+	$result=$db->query($q);
+
+	while ($result->next()) {
+		$access_data[]=$result->getRecord();
+	}
+
+	return $access_data;
+
+}
+
+
+// Simple internal function to set node parrent
+
+public static function setParent($node_id,$parent_id) {
+	global $db,$node,$error,$error_messages;
+
+	if (!is_numeric($parent_id)) {
+		return false;
+	}
+
+	$q="select node_vector from nodes where node_id='$parent_id'";
+	$set=$db->query($q);
+	$set->next();
+	$parent_vector=$set->getString('node_vector');
+	$new_vector=$parent_vector.str_pad($node_id,VECTOR_CHARS,"0",STR_PAD_LEFT);
+
+	$q="update nodes set node_parent='$parent_id',node_vector='$new_vector' where node_id='$node_id'";
+	$db->query($q);
+
+	return 0;
+}
+
+// Get last submissions of all users on kyberia.
+// XXX ad permission checking
+// XXX remove constants
+
+public static function getLast($params) {
+	global $db,$node,$error,$error_messages;
+
+	if ($params['listing_amount']=='all') $listing_amount='-1';
+	else $listing_amount=addslashes($params['listing_amount']);
+	if (empty($params['offset'])) $offset=0;
+	else $offset=addslashes($params['offset']);
+
+	global $db,$node;
+	if ($node['node_id']==23)  {
+		$interval=" nodes.node_created>NOW()-INTERVAL 65 HOUR and";
+		$params['vector']="00";
+	}	else {
+
+		$vector=$node['node_vector'];
+		$interval=" nodes.node_created>NOW()-INTERVAL 42 DAY and";
+	}
+
+	$node_id=$node['node_id'];
+	$user_id=$_SESSION['user_id'];
+		$q="select parent.node_name as parent_name,users.*,nodes.* from nodes
+		left join nodes as parent on parent.node_id=nodes.node_parent
+		left  join users on users.user_id=nodes.node_creator where $interval
+		nodes.node_vector like '$vector%'  and
+		nodes.node_system_access!='private' order by nodes.node_id desc LIMIT $offset,$listing_amount ";
+
+	$set=$db->query($q);
+}
+
+
+// Get nodes sorted by weight_k specific to user
+
+public static function getKNeurons($user_id,$interval) {
+	global $db,$node,$error,$error_messages;
+
+	$q="call k_neurons('$user_id','$interval')";
+	$set=$db->query($q);
+
+	while ($set->next()) {
+		$k_array[]=$set->getRecord();
+	}
+
+	return $k_array;
+}
+
+// setSynapse
+
+// Set synapse weight. 
+// If synapse does not exists, create a new one.
+// Secure.
+// Returns true on sucess, otherwise false.
+
+public static function setSynapse($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($q);
+
+	return true;
+}
+
+// getSynapseWeight
+
+// If synapse does not exists, weight is 1
+// Secure.
+// Returns synapse weight (from user to node)
+
+public static function getSynapseWeight($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;
+
+}
+}
+
 ?>