public static PagingResult <T> ToPagedResult <T>(this IEnumerable <T> input, PagingParameters pagingParameters)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
if (pagingParameters == null)
{
throw new ArgumentNullException(nameof(pagingParameters));
}
var offset = pagingParameters.Cursor.IsStart ? 0 : long.Parse(pagingParameters.Cursor.ToString());
var totalCount = input.LongCount();
var resultItems = input.Skip((int)offset).Take(pagingParameters.Limit).ToList();
var continuationCursor = PagingCursor.FromOffset(offset + resultItems.Count);
return(new PagingResult <T>(resultItems, totalCount, continuationCursor));
}
public PagingParameters(PagingCursor cursor, int limit = DefaultLimit)
{
Cursor = cursor;
Limit = limit;
}
public PagingResult(IReadOnlyList <T> items, long totalItemCount, PagingCursor continuationCursor)
{
Items = items ?? throw new ArgumentNullException(nameof(items));
TotalItemCount = totalItemCount;
ContinuationCursor = continuationCursor;
}
