private BsonDocument CreateDoc()
{
// create same object, but using BsonDocument
var doc = new BsonDocument();
doc["_id"] = 123;
doc["FirstString"] = "BEGIN this string \" has \" \t and this \f \n\r END";
doc["CustomerId"] = Guid.NewGuid();
doc["Date"] = DateTime.Now;
doc["MyNull"] = null;
doc["EmptyObj"] = new BsonDocument();
doc["EmptyString"] = "";
doc["maxDate"] = DateTime.MaxValue;
doc["minDate"] = DateTime.MinValue;
doc.Set("Customer.Address.Street", "Av. Cacapava");
doc["Items"] = new BsonArray();
doc["Items"].AsArray.Add(new BsonDocument());
doc["Items"].AsArray[0].AsDocument["Qtd"] = 3;
doc["Items"].AsArray[0].AsDocument["Description"] = "Big beer package";
doc["Items"].AsArray[0].AsDocument["Unit"] = (double)10 / (double)3;
doc["Items"].AsArray.Add("string-one");
doc["Items"].AsArray.Add(null);
doc["Items"].AsArray.Add(true);
doc["Items"].AsArray.Add(DateTime.Now);
return doc;
}
private BsonDocument CreateDoc()
{
// create same object, but using BsonDocument
var doc = new BsonDocument();
doc["_id"] = 123;
doc["FirstString"] = "BEGIN this string \" has \" \t and this \f \n\r END";
doc["CustomerId"] = Guid.NewGuid();
doc["Date"] = new DateTime(2015, 1, 1);
doc["MyNull"] = null;
doc["Items"] = new BsonArray();
doc["MyObj"] = new BsonDocument();
doc["EmptyString"] = "";
var obj = new BsonDocument();
obj["Qtd"] = 3;
obj["Description"] = "Big beer package";
obj["Unit"] = 1299.995;
doc["Items"].AsArray.Add(obj);
doc["Items"].AsArray.Add("string-one");
doc["Items"].AsArray.Add(null);
doc["Items"].AsArray.Add(true);
doc["Items"].AsArray.Add(DateTime.Now);
doc.Set("MyObj.IsFirstId", true);
return doc;
}
/// <summary>
/// Recursive method for resolving nested DbRef documents.
/// </summary>
private void ResolveReferences(BsonDocument bson, string[] pathSegments, int segmentIndex)
{
var path = pathSegments[segmentIndex];
var value = bson[path];
if (value.IsNull)
{
return;
}
// if property value is an array, populate all values
if (value.IsArray)
{
var array = value.AsArray;
if (array.Count == 0)
{
return;
}
var docs = array.ToArray();
array.Clear();
foreach (var doc in docs)
{
var colRef = doc.AsDocument["$ref"];
var colId = doc.AsDocument["$id"];
var bsonValue = doc;
if (!colRef.IsString || colId.IsNull)
{
if (pathSegments.Length == segmentIndex + 1)
{
// This might be the case when an include is being used *AFTER* another include starting
// with the same path, but going deeper.
throw LiteException.InvalidDbRef(CreateInvalidPathMessage(pathSegments, segmentIndex));
}
// Not a reference document, so add the original
array.Add(bsonValue);
}
else
{
// Resolve this document
bsonValue = _engine.Value.Find(colRef, Query.EQ("_id", colId)).FirstOrDefault();
// include only object that exists in external ref
if (bsonValue != null)
{
array.Add(bsonValue);
}
}
if (bsonValue != null && segmentIndex < pathSegments.Length - 1)
{
ResolveReferences(bsonValue.AsDocument, pathSegments, segmentIndex + 1);
}
}
}
else if (value.IsDocument)
{
// for BsonDocument, get property value update with full object reference
var doc = value.AsDocument;
var colRef = doc["$ref"];
var colId = doc["$id"];
var bsonValue = doc;
if (!colRef.IsString || colId.IsNull)
{
if (segmentIndex == pathSegments.Length - 1)
{
throw LiteException.InvalidDbRef(CreateInvalidPathMessage(pathSegments, segmentIndex));
}
}
else
{
// Reference document, so replace with real document
bsonValue = _engine.Value.Find(colRef, Query.EQ("_id", colId)).FirstOrDefault();
bson.Set(path, bsonValue);
}
if (segmentIndex < pathSegments.Length - 1)
{
// Not the last property on the path, so resolve nested documents
ResolveReferences(bsonValue, pathSegments, segmentIndex + 1);
}
}
else
{
throw LiteException.InvalidDbRef(path);
}
}
