private static IQueryable <T> ApplySort <T>(this IQueryable <T> query, Sorts <T> sorts)
{
if (!sorts.IsValid())
{
return(query);
}
return(Sorts <T> .ApplySorts(query, sorts));
}
internal static IQueryable <T> ApplySorts(IQueryable <T> query, Sorts <T> sorts)
{
var isFirstSort = true;
var validSortings = sorts.GetAll();
IOrderedQueryable <T> orderedQuery = null;
foreach (var sort in validSortings)
{
orderedQuery = isFirstSort
? ApplySorting(query, sort)
: ApplySorting(orderedQuery, sort);
isFirstSort = false;
}
return(orderedQuery ?? query);
}
/// <summary>
/// Paginates your query and returns Page object for the given page number and page size.
/// </summary>
/// <typeparam name="T">Type of Entity for which pagination is being implemented.</typeparam>
/// <param name="query">IQueryable on which pagination will be applied.</param>
/// <param name="pageNumber">The page no. which needs to be fetched.</param>
/// <param name="pageSize">The number or records expected in the page.</param>
/// <param name="sorts">Conditional sorts.</param>
/// <param name="filters">Conditional filters.</param>
/// <returns>A Page object with filtered data for the given page number and page size.</returns>
public async static Task <Page <T> > Paginate <T>(this IQueryable <T> query, int pageNumber, int pageSize, Sorts <T> sorts, Filters <T> filters)
{
return(await query.ApplyFilter(filters).Paginate(pageNumber, pageSize, sorts));
}
