public Guid?GetContextForInstanceSubValue(DatasetElement datasetElement, DatasetElementSub datasetSubElement, string instanceValue)
{
var datasetInstanceValue = DatasetInstanceValues.SingleOrDefault(div => div.DatasetElement.Id == datasetElement.Id);
if (datasetInstanceValue != null && datasetInstanceValue.DatasetInstanceSubValues.Any())
{
return(datasetInstanceValue.DatasetInstanceSubValues.Where(disv => disv.DatasetElementSub.Id == datasetSubElement.Id && disv.InstanceValue.Trim() == instanceValue.Trim()).Select(disv => disv.ContextValue).First());
}
return(null);
}
public DatasetInstanceSubValue SetInstanceSubValue(DatasetElementSub datasetElementSub, string instanceSubValue, Guid contextValue = default(Guid))
{
datasetElementSub.Validate(instanceSubValue);
var datasetInstanceValue = DatasetInstanceValues.SingleOrDefault(div => div.DatasetElement.Id == datasetElementSub.DatasetElement.Id);
if (datasetInstanceValue == null)
{
if (datasetElementSub.DatasetElement.Field.FieldType.Id == (int)FieldTypes.Table)
{
datasetInstanceValue = SetInstanceValue(datasetElementSub.DatasetElement, "<<TABLE>>");
}
else
{
throw new Exception("Cannot set an instance sub value without setting the parent instance value");
}
}
var datasetInstanceSubValue = datasetInstanceValue.DatasetInstanceSubValues.SingleOrDefault(disv => disv.DatasetElementSub.Id == datasetElementSub.Id && disv.ContextValue == contextValue);
if (datasetInstanceSubValue == null)
{
if (!string.IsNullOrWhiteSpace(instanceSubValue))
{
datasetInstanceSubValue = datasetInstanceValue.AddDatasetInstanceSubValue(datasetElementSub, instanceSubValue, contextValue);
}
else
{
if (datasetElementSub.Field.Mandatory)
{
throw new DatasetFieldSetException(datasetElementSub.Id.ToString(), string.Format("{0} is required", datasetElementSub.ElementName));
}
}
}
else
{
if (string.IsNullOrWhiteSpace(instanceSubValue))
{
if (datasetElementSub.Field.Mandatory)
{
throw new DatasetFieldSetException(datasetElementSub.Id.ToString(), string.Format("{0} is required", datasetElementSub.ElementName));
}
datasetInstanceValue.DatasetInstanceSubValues.Remove(datasetInstanceSubValue);
datasetInstanceSubValue = null;
}
else
{
datasetInstanceSubValue.InstanceValue = instanceSubValue;
}
}
return(datasetInstanceSubValue);
}