//constructor
public PictureDetailViewModel(PicturesViewModel viewModel, IPicturePostStore pictureStore, IPageService pageService)
{
if (viewModel == null)
{
throw new ArgumentNullException(nameof(viewModel));
}
_pictureStore = pictureStore;
_pageService = pageService;
SaveCommand = new Command(async() => await Save());
PickPictureCommand = new Command(async() => await PickPicture());
Post = new PicturePost
{
ID = viewModel.ID,
PictureTitle = viewModel.PictureTitle,
PictureCategory = viewModel.PictureCategory,
PictureLocation = viewModel.PictureLocation,
PictureTime = viewModel.PictureTime,
PictureRating = viewModel.PictureRating,
PicturePath = viewModel.PicturePath
};
}
//constructor
public PicturesPageViewModel(IPicturePostStore pictureStore, IPageService pageService)
{
_postStore = pictureStore;
_pageService = pageService;
LoadDataCommand = new Command(async() => await LoadData());
LoadAllPost = new Command(async() => await ReloadData());
LoadByTime = new Command(async() => LoadTime());
LoadByRating = new Command(async() => LoadRating());
LoadByBusiness = new Command(async() => LoadBusiness());
LoadByPersonal = new Command(async() => LoadPersonal());
LoadByEducational = new Command(async() => LoadEducational());
AddPictureCommand = new Command(async() => await AddPicture());
SelectPictureCommand = new Command <PicturesViewModel>(async c => await SelectPicture(c));
DeletePictureCommand = new Command <PicturesViewModel>(async c => await DeletePicture(c));
ResetPictureRatingCommand = new Command <PicturesViewModel>(async(obj) => await ResetPictureRating(obj));
ResetPictureCategoryCommand = new Command <PicturesViewModel>(async(obj) => await ResetPictureCategory(obj));
//keep track of events
MessagingCenter.Subscribe <PictureDetailViewModel, PicturePost>
(this, Events.PostAdded, OnPictureAdded);
//keep track of events
MessagingCenter.Subscribe <PictureDetailViewModel, PicturePost>
(this, Events.PictureUpdated, OnPictureUpdated);
}
