// [HttpPost]
public async Task <IActionResult> GetChildren(string parentId, string parentType)
{
//var notAuthorized = T("Not authorized to access the admin panel.");
//if (!Services.Authorizer.Authorize(StandardPermissions.AccessAdminPanel, notAuthorized))
//{
// return Json(new { Success = false, Message = notAuthorized.Text });
//}
try
{
//https://stackoverflow.com/questions/18602923/selectmany-cannot-infer-type-argument-why-not
// var level0 = _breadcrumbNodeProviders.Select(async p => await p.GetChildren(parentType, parentId)).Select(x=>x.Result);
var children = await _breadCrumbNodeProvider.GetChildren(parentType, parentId);
// var children = level0.SelectMany(x => x);
//var children = new List<BreadCrumbNode>();
// foreach (var provider in toplevel)
// {
// children.Add(provider);
// }
// var children = _breadcrumbNodeProviders.Select(p => p.GetChildren(parentType, parentId).Result.Select(x=>x));
return(Json(children));
}
catch (Exception exception)
{
return
(Json(new { Success = false, Message = String.Format("Breadcrumb expansion failed: {0}", exception.Message) }));
}
}
//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;
}
