public override async Task DidLoad()
{
// Only fetch new comments as needed
if (PrimaryCardViewModel.CommentCount != 0 || PrimaryCardViewModel.CommentViewModels.Count == 0)
{
await PrimaryCardViewModel.GetComments();
}
// populate all cards
var viewModels = PrimaryCardViewModel.CommentViewModels.OrderBy(vm => vm.OrderByDateTime).ToList();
// Group by the relative string of the 15 minute increment
var groups = viewModels.GroupBy(x =>
{
var stamp = x.OrderByDateTime;
stamp = stamp.AddMinutes(-(stamp.Minute % 15));
stamp = stamp.AddMilliseconds(-stamp.Millisecond - 1000 * stamp.Second);
return(stamp.ToRelativeString());
})
.Select(g => new CommentGroup(new HeaderCardViewModel(g.Key), g.Distinct()));
var contentViewModels = new List <BaseCardViewModel> ();
// Format the new grouping by including the headers in the main list
PrimaryCardViewModel.ShowCommentButton = false;
contentViewModels.Add(PrimaryCardViewModel);
for (int i = 0; i < groups.Count(); i++)
{
var commentGroup = groups.ElementAtOrDefault(i);
if (i == 0)
{
commentGroup.Header.Position = Position.Top;
}
contentViewModels.Add(commentGroup.Header);
foreach (BaseContentCardViewModel viewModel in commentGroup.Content)
{
contentViewModels.Add(viewModel);
}
}
// Add the footer header for "now"
contentViewModels.Add(new HeaderCardViewModel(ApplicationResources.Now, Position.Bottom));
CardViewModels.Clear();
CardViewModels.AddRange(contentViewModels);
}
public async Task GetPosts()
{
var facebookViewModels = await GetFacebookFeed();
var twitterViewModels = await GetTwitterFeed();
var allViewModels = new ObservableRangeCollection <BaseContentCardViewModel> ();
// TODO: Need to further develop this system of ordering
// Need to be able to toggle between popularity and time
// allViewModels.AddRange (facebookViewModels);
// allViewModels.AddRange (twitterViewModels);
Random rnd = new Random();
int total = facebookViewModels.Count + twitterViewModels.Count;
double fbLuck = 0;
double tLuck = 0;
fbLuck = facebookViewModels.Count / (double)total;
tLuck = twitterViewModels.Count / (double)total;
for (int i = 0; i < total; i++)
{
int newTotal = 0;
var dicey = rnd.NextDouble();
if (dicey < fbLuck)
{
allViewModels.Add(facebookViewModels.First());
facebookViewModels.RemoveAt(0);
}
else
{
allViewModels.Add(twitterViewModels.First());
twitterViewModels.RemoveAt(0);
}
newTotal = facebookViewModels.Count + twitterViewModels.Count;
if (newTotal != 0)
{
fbLuck = facebookViewModels.Count / (double)newTotal;
tLuck = twitterViewModels.Count / (double)newTotal;
}
}
//
// if(OrderBy == OrderBy.Time)
// {
// allViewModels = new ObservableRangeCollection<BaseContentCardViewModel> (allViewModels.OrderByDescending (vm => vm.OrderByDateTime));
// }
//
CardViewModels.Clear();
CardViewModels.AddRange(allViewModels);
foreach (BaseContentCardViewModel viewModel in CardViewModels)
{
viewModel.RequestMovieViewer = RequestMovieViewer;
viewModel.RequestPhotoViewer = RequestPhotoViewer;
viewModel.RequestCommentPage = OnRequestCommentPage;
}
IsRefreshing = false;
if (RequestCompleted != null)
{
RequestCompleted();
}
}