Пример #1
0
        public BillingPageViewModel()
        {
            Title            = "Billing Entries";
            Items            = new ObservableCollection <BillingEntry>();
            LoadItemsCommand = new Command(async() => await ExecuteLoadItemsCommand());

            MessagingCenter.Subscribe <NewBillingEntryPage, BillingEntry>
                (this, "AddEntry", async(obj, entry) =>
            {
                var _entry = entry as BillingEntry;
                Items.Add(_entry);
                try
                {
                    await AzureDataStore.DefaultStore.AddItemAsync(_entry);
                }

                catch
                {
                    await LocalDataStore.AddItemAsync(_entry);
                }
            });
            MessagingCenter.Subscribe <BillingEntryDetailPage, BillingEntry>
                (this, "UpdateEntry", async(obj, entry) =>
            {
                var _entry = Items.Where((BillingEntry arg) =>
                                         arg.Id == entry.Id).FirstOrDefault();
                _entry.ClientName  = entry.ClientName;
                _entry.BillingDate = entry.BillingDate;
                _entry.BillingTime = entry.BillingTime;
                _entry.Notes       = entry.Notes;
                //Items.Add(_entry);
                try
                {
                    await AzureDataStore.DefaultStore.UpdateItemAsync(_entry);
                }
                catch
                {
                    await LocalDataStore.UpdateItemAsync(_entry);
                }
            });
            MessagingCenter.Subscribe <BillingEntryDetailPage, BillingEntry>
                (this, "DeleteEntry", async(obj, entry) =>
            {
                var _entry = Items.Where((BillingEntry arg) =>
                                         arg.Id == entry.Id).FirstOrDefault();
                Items.Remove(_entry);
                try
                {
                    await AzureDataStore.DefaultStore.DeleteItemAsync(_entry.Id.ToString());
                }
                catch
                {
                    await LocalDataStore.DeleteItemAsync(_entry.Id.ToString());
                }
            });
        }
        public ItemsViewModel()
        {
            Title = "Home";

            accountManager = new AccountManager();

            Items = new ObservableCollection <Item>();

            LoadItemsCommand = new Command(async() => await ExecuteLoadItemsCommand());

            MessagingCenter.Subscribe <ItemsPage, Item>(this, "RemoveItem", async(obj, item) =>
            {
                bool result = await Application.Current.MainPage.DisplayAlert("Complete", "Have you completed this goal?", "No", "Yes");

                if (result == false)
                {
                    Items.Remove(item);
                    await LocalDataStore.DeleteItemAsync(item.Id);
                }
            });

            MessagingCenter.Subscribe <NewItemPage, Item>(this, "AddItem", async(obj, item) =>
            {
                var _item = item as Item;

                // Encrypt
                _item.CipherText = GetCipherText(_item.Description);

                if (_item.CipherText != null)
                {
                    Items.Add(_item);

                    await LocalDataStore.AddItemAsync(_item);
                    // Response code handling
                    //await CloudDataStore.AddItemAsync(_item);
                }
            });
        }