public async Task <List <TreeNodeUI> > GetNodesAsync(string alias, ParentPath?parentPath)
{
var collection = _collectionProvider.GetCollection(alias);
if (collection == null)
{
throw new InvalidOperationException($"Failed to get collection for given alias ({alias}).");
}
var parent = await _parentService.GetParentAsync(parentPath);
if (collection.TreeView?.EntityVisibility == EntityVisibilty.Visible)
{
// TODO: pagination
var query = Query.TakeElements(25);
var entities = await collection.Repository.GetAllAsync(parent, query);
return(await entities.ToListAsync(async entity =>
{
var entityVariant = collection.GetEntityVariant(entity);
var node = new TreeNodeUI
{
Id = entity.Id,
Name = collection.TreeView.Name !.StringGetter.Invoke(entity),
RootVisibleOfCollections = collection.Collections.All(subCollection => subCollection.TreeView?.RootVisibility == CollectionRootVisibility.Visible),
Collections = collection.Collections.ToList(subCollection => subCollection.Alias)
};
var editAuthorizationChallenge = await _authorizationService.AuthorizeAsync(
_httpContextAccessor.HttpContext.User,
entity,
Operations.Update);
if (editAuthorizationChallenge.Succeeded)
{
node.Path = UriHelper.Node(Constants.Edit, collection.Alias, entityVariant, parentPath, entity.Id);
}
else
{
var viewAuthorizationChallenge = await _authorizationService.AuthorizeAsync(
_httpContextAccessor.HttpContext.User,
entity,
Operations.Read);
if (viewAuthorizationChallenge.Succeeded)
{
node.Path = UriHelper.Node(Constants.View, collection.Alias, entityVariant, parentPath, entity.Id);
}
}
return node;
}));
}
else
{
return(new List <TreeNodeUI>());
}
}
