Let editors set pages to always be on top in search result (SearchDataSource not Find)

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 using EPiServer.Core;
 7 using EPiServer.Filters;
 8 
 9 namespace Nergard.EPi.Filters
10 {
11     public class PrioritySearchFilter : IPageFilter
12     {
13         #region IPageFilter Members
14 
15         public void Filter(EPiServer.Core.PageDataCollection pages)
16         {
17             var priorityPdc = new PageDataCollection();
18             var normalPdc = new PageDataCollection();
19 
20             for (var x = 0; x <= pages.Count - 1; x++)
21             {
22                 if (pages[x]["GivePriorityInSearch"] != null)
23                     priorityPdc.Add(pages[x]);
24                 else
25                     normalPdc.Add(pages[x]);
26             }
27 
28             priorityPdc.Add(normalPdc);
29 
30             for (var x = 0; x <= pages.Count - 1; x++)
31             {
32                 pages[x] = priorityPdc[x];
33             }
34 
35         }
36 
37         public void Filter(object sender, FilterEventArgs e)
38         {
39             this.Filter(e.Pages);
40         }
41 
42         public bool ShouldFilter(EPiServer.Core.PageData page)
43         {
44             throw new NotImplementedException();
45         }
46 
47         #endregion
48     }
49 }

1 SearchDataSource.Filter += SearchDataSource_Filter;
2 
3 void SearchDataSource_Filter(object sender, Filters.FilterEventArgs e)
4 {
5   new Nergard.EPi.Filters.PrioritySearchFilter().Filter(e.Pages);
6 }