public static bool Exists(this BsonValue bsonValue, string name)
{
return(bsonValue.Find(name) != BsonNull.Value);
}
public static BsonValue Update(this BsonValue bsonValue, string name, BsonValue value)
{
var fieldNames = name.Split('.');
// Value to set on next level
BsonValue valueForNextLevel = value;
for (int i = 0; i < fieldNames.Length; i++)
{
var fieldName = fieldNames[fieldNames.Length - 1 - i];
if (fieldName == "$")
{
fieldName = "0";
}
var valueToTake = string.Join(".", fieldNames.Take(fieldNames.Length - 1 - i));
var valueOfHigherLevel = string.IsNullOrEmpty(valueToTake) ? bsonValue : bsonValue.Find(valueToTake);
if (valueOfHigherLevel.IsBsonDocument)
{
valueForNextLevel = valueOfHigherLevel.AsBsonDocument.Set(fieldName, valueForNextLevel);
}
else if (valueOfHigherLevel.IsBsonArray)
{
int fieldIndex = int.Parse(fieldName);
valueOfHigherLevel.AsBsonArray[fieldIndex] = valueForNextLevel;
valueForNextLevel = valueOfHigherLevel;
}
}
return(valueForNextLevel);
}