public async Task <IActionResult> Index(string contentitemid = "/", string type = "root")
{
//if (!Services.Authorizer.Authorize(StandardPermissions.AccessAdminPanel,
// T("Not allowed to access admin panel")))
// return new HttpUnauthorizedResult();
var node = await GetTreeNode(contentitemid, type) ?? new BreadCrumbNode
{
Id = "/", Type = "root", Title = "Root"
};
//https://stackoverflow.com/questions/18602923/selectmany-cannot-infer-type-argument-why-not
//var level0 = _breadcrumbNodeProviders.Select( p => p.GetChildren(type, contentitemid).Result.Select(x=>x)) ;
//var children = level0.SelectMany(x => x);
var children = await _breadCrumbNodeProvider.GetChildren(type, contentitemid);
// var children = _treeNodeProviders.Select(x=> x).SelectMany(p => p.GetChildren(type, id).Result);
// var children = await _treeNodeProviders.SelectMany(p => p.GetChildren(type, id));
var model = new AdvancedBreadCrumbPartViewModel
{
Node = node,
Children = children
};
if (Request.IsAjaxRequest())
{
return(new JsonResult(new { Data = model }));
}
return(View(model));
}
// public override IDisplayResult Edit(AdvancedBreadCrumbPart part)
// {
// return Initialize<AdvancedBreadCrumbPartViewModel>("AdvancedBreadCrumbPart_Edit", m => BuildViewModel(m, part))
// .Location("Detail", "Content:10")
// .Location("SummaryAdmin", "Content:5")
// .Location("DetailAdmin", "Content:before");
// }
//
// public override async Task<IDisplayResult> UpdateAsync(AdvancedBreadCrumbPart model, IUpdateModel updater)
// {
// // var settings = GetDisqusPartSettings(model);
//
// await updater.TryUpdateModelAsync(model, Prefix, t => t);// t => t.ShowComments);
//
// return Edit(model);
// }
//http://www.hexacta.com/2016/06/01/task-run-vs-async-await/
//private Task BuildViewModel(AdvancedBreadCrumbPartViewModel model, AdvancedBreadCrumbPart part)
private Task BuildViewModel(AdvancedBreadCrumbPartViewModel model, AdvancedBreadCrumbPart part)
{
model.ContentItem = part.ContentItem;
model.AdvancedBreadCrumbPart = part;
GetRootNode(part.ContentItem.ContentItemId, model);
//await Task.Run(() =>
//{
// model.ContentItem = part.ContentItem;
// model.AdvancedBreadCrumbPart = part;
// GetRootNode(part.ContentItem.ContentItemId, model);
//});
// var settings = GetDisqusPartSettings(part);
// var vm = new AdvancedBreadCrumbPartViewModel();
//model.ShortName = settings.ShortName;
//model.ShowComments = part.ShowComments;
// model.Settings = settings;
// var task= GetRootNode(part.ContentItem.ContentItemId, model);
// task.RunSynchronously();
// return vm;
return(Task.CompletedTask);
}
//http://www.hexacta.com/2016/06/01/task-run-vs-async-await/
private async void GetRootNode(string id, AdvancedBreadCrumbPartViewModel model, string type = "root")
{
//if (!Services.Authorizer.Authorize(StandardPermissions.AccessAdminPanel,
// T("Not allowed to access admin panel")))
// return new HttpUnauthorizedResult();
//https://stackoverflow.com/questions/35011656/async-await-in-linq-select
var node = await GetBreadCrumbNode(id, type);
//var node = await task;
if (node == null)
{
node = new BreadCrumbNode
{
Id = "/",
Type = "root",
Title = T["Root"].Value
};
// var node =await GetBreadCrumbNode(id, type) ?? new BreadCrumbNode { Id = "/", Type = "root", Title = T["Root"].Value };
//https://stackoverflow.com/questions/18602923/selectmany-cannot-infer-type-argument-why-not
var children = await _breadCrumbNodeProvider.GetChildren(type, id);
// var levell0 = children0.Select(x => x);
//var levell0 = _breadcrumbNodeProviders.OfType<AdvancedBreadCrumbNodeProvider>()
// .Select(p => p.GetChildren(type, id).Result.Select(x => x));
// var children = levell0.SelectMany(x => x);
model.Node = node;
model.Children = children;
//var model = new TreeExplorerViewModel
//{
// Node = node,
// Children = children
//};
//if (Request.IsAjaxRequest())
//{
// return new JsonResult { Data = model };
//}
// return model;
}
// return Task.CompletedTask;
}
