private IEnumerable <PageModel> GetChildren(Data.Page p, int depth)
{
var firstLevel = new[] { p }.ToList();
var levels = EnumerableEx.Generate(new { pages = firstLevel, depth = Math.Max(4, depth) }, x => x.depth >= 0 && x.pages.Any(),
x => new { pages = PagesService.GetChildPages(x.pages).ToList(), depth = x.depth - 1 },
x => x.pages)
.ToList();
return(MergeChildPages(p, levels.Skip(1)));
}
public Maybe <PageModel> PageModel(string url)
{
return(from p in PagesService.GetPage(url, Auth.CurrentActor.IsAdmin).MaybeDefined()
from parents in PagesService.GetParentPages(p)
from topParent in parents.Where(pr => pr.Url != null && pr.Url != "").OrderBy(pr => pr.Url.Length).FirstOrDefault() ?? p
select new PageModel {
Page = p,
TopParent = topParent,
AllowEdit = Auth.CurrentActor.IsAdmin,
ChildPages = GetChildren(topParent, parents.Count())
});
}