public static IQueryable <TModel> ApplyOrder <TModel>(this IQueryable <TModel> query, DataOptions options, DataOptionsQueryCreator <TModel> creator = null)
{
if (options != null && options.Order != null && options.Order.By != null && options.Order.By.Count > 0)
{
if (creator == null)
{
creator = new DataOptionsQueryCreator <TModel>(options);
}
query = query.OrderBy(creator.GetOrderQuery());
}
return(query);
}
public static IQueryable <TModel> ApplyFilter <TModel>(this IQueryable <TModel> query, DataOptions options, DataOptionsQueryCreator <TModel> creator = null)
{
if (options != null &&
options.Filter != null &&
((options.Filter.Where != null && options.Filter.Where.Count > 0) ||
(options.Filter.Inner != null && options.Filter.Inner.Count > 0)))
{
if (creator == null)
{
creator = new DataOptionsQueryCreator <TModel>(options);
}
query = query.Where(creator.GetFilterQuery(), creator.GetFilterParameters());
}
return(query);
}
public static DataListResponse <TModel> ToDataListResponse <TModel>(this IQueryable <TModel> query, DataOptions options)
{
var creator = new DataOptionsQueryCreator <TModel>(options);
query = query.ApplyFilter(options, creator);
if (options.HasPaging())
{
var totalCount = query.ToRowCountFutureValue();
query = query.ApplyOrder(options, creator);
query = query.ApplyPaging(options);
var items = query.ToFuture();
return(new DataListResponse <TModel>(items.ToList(), totalCount.Value));
}
else
{
query = query.ApplyOrder(options, creator);
var items = query.ToList();
return(new DataListResponse <TModel>(items, items.Count));
}
}
