public static DataSourceResult GetDataSourceResult <TModel, TResult>(this IQueryable <TModel> modelQueryableInstances, DataSourceRequest request, Func <TModel, TResult> mapper)
{
DataSourceResult dataSourceResult = null;
if (request.Filters.Any())
{
var dataSourceBasedOnViewModelFields = request.RefineDataSource(typeof(TResult));
if (dataSourceBasedOnViewModelFields.Any())
{
//modelQueryableInstances.WhereV<TResult>(dataSourceBasedOnViewModelFields);
dataSourceResult = modelQueryableInstances.ToDataSourceResult <TModel, TResult>(request, mapper);
dataSourceResult.Data = (IQueryable)dataSourceResult.Data.AsQueryable().Where(dataSourceBasedOnViewModelFields);
dataSourceResult.Total = dataSourceResult.Data.AsQueryable().Count();
}
else // if filter contains not any items.
{
dataSourceResult = modelQueryableInstances.ToDataSourceResult <TModel, TResult>(request, mapper);
//return dataSourceResult;
}
return(dataSourceResult);
}
else // if filter contains not any items.
{
dataSourceResult = modelQueryableInstances.ToDataSourceResult <TModel, TResult>(request, mapper);
return(dataSourceResult);
}
}