public object Encode()
{
List <object> additionQueue = AdditionQueue.Select(id => PointerOrLocalIdEncoder.Instance.Encode(ParseObject.CreateWithoutData(TargetClassName, id))).ToList();
List <object> removalQueue = RemovalQueue.Select(id => PointerOrLocalIdEncoder.Instance.Encode(ParseObject.CreateWithoutData(TargetClassName, id))).ToList();
Dictionary <string, object> additionOperation = additionQueue.Count == 0 ? null : new Dictionary <string, object>
{
["__op"] = "AddRelation",
["objects"] = additionQueue
};
Dictionary <string, object> removalOperation = removalQueue.Count == 0 ? null : new Dictionary <string, object>
{
["__op"] = "RemoveRelation",
["objects"] = removalQueue
};
return(additionOperation != null && removalOperation != null ? new Dictionary <string, object> {
["__op"] = "Batch", ["ops"] = new[] { additionOperation, removalOperation }
} : additionOperation ?? removalOperation);
}
public IParseFieldOperation MergeWithPrevious(IParseFieldOperation previous)
{
switch (previous)
{
case null:
return(this);
case ParseDeleteOperation _:
throw new InvalidOperationException("You can't modify a relation after deleting it.");
case ParseRelationOperation other:
if (other.TargetClassName != TargetClassName)
{
throw new InvalidOperationException(String.Format("Related object must be of class {0}, but {1} was passed in.", other.TargetClassName, TargetClassName));
}
return(new ParseRelationOperation(AdditionQueue.Union(other.AdditionQueue.Except(RemovalQueue)).ToList(), RemovalQueue.Union(other.RemovalQueue.Except(AdditionQueue)).ToList(), TargetClassName));
default:
throw new InvalidOperationException("Operation is invalid after previous operation.");
}
}
