protected override void HandleOnNavigatedTo(NavigationEventArgs e)
{
base.HandleOnNavigatedTo(e);
bool flag = true;
if (!this._isInitialized)
{
this._ownerId = long.Parse(((Page)this).NavigationContext.QueryString["OwnerId"]);
this._videoId = long.Parse(((Page)this).NavigationContext.QueryString["VideoId"]);
string accessKey = ((Page)this).NavigationContext.QueryString["AccessKey"];
string videoContext = "";
if (((Page)this).NavigationContext.QueryString.ContainsKey("VideoContext"))
{
videoContext = ((Page)this).NavigationContext.QueryString["VideoContext"];
}
VKClient.Common.Backend.DataObjects.Video parameterForIdAndReset = ParametersRepository.GetParameterForIdAndReset("Video") as VKClient.Common.Backend.DataObjects.Video;
StatisticsActionSource actionSource = (StatisticsActionSource)Enum.Parse(typeof(StatisticsActionSource), ((Page)this).NavigationContext.QueryString["VideoSource"]);
this.InitializeCommentVM();
VideoCommentsViewModel commentsViewModel = new VideoCommentsViewModel(this._ownerId, this._videoId, accessKey, parameterForIdAndReset, actionSource, videoContext);
commentsViewModel.PageLoadInfoViewModel.LoadingStateChangedCallback = new Action(this.OnLoadingStateChanged);
base.DataContext = (commentsViewModel);
commentsViewModel.Reload(true);
this.RestoreUnboundState();
this._isInitialized = true;
flag = false;
}
if (!flag && (!e.IsNavigationInitiator || e.NavigationMode != NavigationMode.New))
{
WallPostVMCacheManager.TryDeserializeInstance(this._commentVM);
}
this.ProcessInputData();
this.UpdateAppBar();
}
public async Task <JsonNetResult> ByVideo(GetVideoCommentsViewModel model)
{
VideoComments result = await _comments.GetVideoComments(new GetVideoComments
{
VideoId = model.VideoId,
PageSize = model.PageSize,
FirstCommentIdOnPage = model.FirstCommentIdOnPage
});
// For the ViewModel, we also want to include the information about a user who made the comments on the video, so
// get the user profile information for the comments and then use a LINQ to Objects Join to merge the two together
// (this should be OK since the dataset should be small)
IEnumerable <UserProfile> userProfiles = await _userManagement.GetUserProfiles(result.Comments.Select(c => c.UserId).ToHashSet());
var returnModel = new VideoCommentsViewModel
{
VideoId = result.VideoId,
Comments = result.Comments.Join(userProfiles, c => c.UserId, up => up.UserId, (c, up) => new VideoCommentViewModel
{
CommentId = c.CommentId,
Comment = c.Comment,
CommentTimestamp = c.CommentTimestamp,
UserProfileUrl = Url.Action("Info", "Account", new { userId = c.UserId }),
UserFirstName = up.FirstName,
UserLastName = up.LastName,
UserGravatarImageUrl = GravatarHasher.GetImageUrlForEmailAddress(up.EmailAddress)
}).ToList()
};
return(JsonSuccess(returnModel));
}
