relation.nodes[role].forEach(function(node) {
outstanding_nodes++;
NodeTmpDB.getNode(Mongojs.Long(node.osm_id), function(error, nd) {
if (error) {
throw new Error("Error reading node: "+node.osm_id+" "+error);
}
if (!nd) {
// as below for ways, we may consider calling a missingNode callback here
outstanding_nodes--;
} else {
dots.push(nd.loc);
var q_node = {'_id': {osm: Mongojs.Long(nd._id)}};
var nodedata = {
$set: {type: 'n', loc: nd.loc},
$addToSet: {rel: {id: Mongojs.Long(relation.osm_id), r: role}}
}
DB.getCollection('osm').findAndModify(q_node, [], nodedata, {safe: true, upsert: true}, function(error,result) {
if (error) {
throw new Error("Could not update node: "+node.osm_id+" "+error);
}
outstanding_nodes--;
})
}
})
})
relation.ways[role].forEach(function(way) {
outstanding_ways++;
var q_way = {_id: {osm: Mongojs.Long(way.osm_id), seg: 0}};
var data = {$addToSet: {rel: {id: Mongojs.Long(relation.osm_id), r: role}}};
DB.getCollection('osm').findAndModify(q_way, [], data, {safe: true}, function(error,result) {
if (error) {
throw new Error("Could not update way: "+way.osm_id+" "+error);
}
if (result && result.loc) {
dots = dots.concat(result.loc);
outstanding_ways--;
} else {
// not all relation members may be included in the input file
// store segment-0 dataset to have the reference to the relation but give it
// version -1 so that it will be updated as soon as the way data is loaded
data["$set"] = {v: -1, type: 'w'};
DB.getCollection('osm').findAndModify(q_way, [], data, {safe: true, upsert: true}, function(error,result) {
assert.equal(null,error);
outstanding_ways--;
})
missingWay(way.osm_id);
}
})
})
function storeRelationWithDotsCB() {
if (outstanding_ways || outstanding_nodes) {
// still waiting for the bbox to be completed
setTimeout(storeRelationWithDotsCB,30);
return;
}
// store relation itself with location dots for all members
var q_rel = {_id: {osm: Mongojs.Long(relation.osm_id)}};
var reldata = {$set: {v: relation.version, type: 'r'
, tags: relation.attrs}
}
// relations without any downloaded data don't have a bbox
reldata["$set"]["loc"] = dots;
DB.getCollection('osm').update(q_rel, reldata, {upsert: true, safe: true}, function(error) {
if (error) {
throw new Error("Could not update/insert relation: "+relation.osm_id+" "+error);
}
decrDBQueue();
});
}