void OsmApiDbReader::_addNodesForWay(vector<long> nodeIds, OsmMap& map)
{
for (unsigned int i = 0; i < nodeIds.size(); i++)
{
QStringList tags;
if (map.containsNode(nodeIds[i]) == false)
{
shared_ptr<QSqlQuery> queryIterator = _database.selectNodeById(nodeIds[i]);
while (queryIterator->next())
{
shared_ptr<Node> node = _resultToNode(*queryIterator.get(), map);
QString result = _database.extractTagFromRow(queryIterator, ElementType::Node);
if(result != "")
{
tags << result;
}
if(tags.size()>0)
{
node->setTags(ApiDb::unescapeTags(tags.join(", ")) );
ApiDbReader::addTagsToElement(node);
}
if (_status != Status::Invalid)
{
node->setStatus(_status);
}
map.addElement(node);
}
}
}
}
void OsmApiDbReader::_processRelation(const QSqlQuery& resultIterator, OsmMap& map, const Envelope& env)
{
QStringList tags;
long long relId = resultIterator.value(0).toLongLong();
vector<RelationData::Entry> members = _database.selectMembersForRelation( relId );
for(vector<RelationData::Entry>::iterator it = members.begin(); it != members.end(); ++it)
{
ElementId eid = (*it).getElementId();
QString type = eid.getType().toString();
long idFromRelation = eid.getId();
if(type=="Node")
{
shared_ptr<QSqlQuery> nodeIterator = _database.selectBoundedElements(idFromRelation, ElementType::Node, _bbox);
if( nodeIterator->next() ) // we found a relation in the bounds
{
// process the relation into a data structure
shared_ptr<Element> element = _resultToRelation(resultIterator, map);
// get the way tags
shared_ptr<QSqlQuery> relationTagIterator = _database.selectTagsForRelation( relId );
while( relationTagIterator->next() )
{
// test for blank tag
QString val1 = relationTagIterator->value(1).toString();
QString val2 = relationTagIterator->value(2).toString();
QString tag = "";
if(val1!="" || val2!="") tag = "\""+val1+"\"=>\""+val2+"\"";
if(tag != "") tags << tag;
}
if(tags.size()>0)
{
element->setTags(ApiDb::unescapeTags(tags.join(", ")) );
ApiDbReader::addTagsToElement( element );
}
if (_status != Status::Invalid) {element->setStatus(_status); }
map.addElement(element);
tags.clear();
}
}
else if(type == "Way")
{
shared_ptr<QSqlQuery> nodeInfoIterator = _database.selectNodesForWay( idFromRelation );
bool foundOne = false;
while( nodeInfoIterator->next() && !foundOne)
{
// do the bounds check
double lat = nodeInfoIterator->value(ApiDb::NODES_LATITUDE).toLongLong()/(double)ApiDb::COORDINATE_SCALE;
double lon = nodeInfoIterator->value(ApiDb::NODES_LONGITUDE).toLongLong()/(double)ApiDb::COORDINATE_SCALE;
Coordinate c(lon, lat);
if (env.contains(c))
{
foundOne = true;
}
}
if( foundOne ) // we found a relation in the bounds
{
// process the relation into a data structure
shared_ptr<Element> element = _resultToRelation(resultIterator, map);
// get the way tags
shared_ptr<QSqlQuery> relationTagIterator = _database.selectTagsForRelation( relId );
while( relationTagIterator->next() )
{
// test for blank tag
QString val1 = relationTagIterator->value(1).toString();
QString val2 = relationTagIterator->value(2).toString();
QString tag = "";
if(val1!="" || val2!="") tag = "\""+val1+"\"=>\""+val2+"\"";
if(tag != "") tags << tag;
}
if(tags.size()>0)
{
element->setTags( ApiDb::unescapeTags(tags.join(", ")) );
ApiDbReader::addTagsToElement( element );
}
if (_status != Status::Invalid) { element->setStatus(_status); }
map.addElement(element);
tags.clear();
}
}
else if(type == "Relation")
{
shared_ptr<QSqlQuery> relIterator = _database.selectBoundedElements(idFromRelation, ElementType::Relation, _bbox);
while(relIterator->next())
{
_processRelation(*relIterator, map, env);
}
}
}
}