/// <summary>
/// Creates a pagination wrapper with Continuation Token support
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source"></param>
/// <returns></returns>
public static async Task <PagedResults <T> > ToPagedResults <T>(this IOrderedQueryable <T> source)
{
var documentQuery = source.AsDocumentQuery();
var results = new PagedResults <T>();
try
{
var queryResult = await documentQuery.ExecuteNextAsync <T>();
if (!queryResult.Any())
{
return(results);
}
results.ContinuationToken = queryResult.ResponseContinuation;
results.Results.AddRange(queryResult);
}
catch
{
//documentQuery.ExecuteNextAsync throws an Exception if there are no results
return(results);
}
return(results);
}
public static async Task <T> GetFirstOrDefault <T>(this IOrderedQueryable <T> queryAll)
{
return((await queryAll.AsDocumentQuery().GetAllResultsAsync()).FirstOrDefault());
}