public ChuckJokesPageViewModel(IJokeService jokeService,
IDatabaseService databaseService,
ISettingsService settingsService,
IToastMessage toastMessage)
{
_jokeService = jokeService;
_databaseService = databaseService;
_settingsService = settingsService;
_toastMessage = toastMessage;
OnAddJokeCommand = new DelegateCommand(AddJokeAsync, CanAddJokeAsync);
OnCellTappedCommand = new DelegateCommand <string>(ReadJokeAsync, CanReadJokeAsync);
OnDeleteJokeCommand = new DelegateCommand <JokeItem>(DeleteJoke);
LoadUrl();
var dbJokes = _databaseService.GetJokes();
if (dbJokes != null)
{
foreach (var item in dbJokes)
{
JokeList.Add(item);
}
}
UpdateBindedCollection();
if (!ExtensionMethods.IsConnected())
{
_toastMessage.ShowToast(notConnectedMessage);
}
}
public async void AddJokeAsync()
{
try
{
if (!string.IsNullOrEmpty(url))
{
Scroll = ScrollEnum.Scroll;
var actualCategory = (Category == 0) ? (CategoryEnum)random.Next(1, 16) : Category;
var joke = await _jokeService.GetJokeAsync(url, actualCategory.ToString().ToLower()); //if category is "All", select random one
if (joke != null)
{
int id = 1;
if (JokeList.Count > 0)
{
id = JokeList.Last().Id + 1;
}
var jokeItem = new JokeItem
{
Id = id,
Icon = iconUrl,
Joke = joke.value,
Url = new Uri(joke.url),
RestId = joke.icon_url,
Category = actualCategory
};
JokeList.Add(jokeItem);
UpdateBindedCollection();
if (Device.RuntimePlatform == Device.Android || Device.RuntimePlatform == Device.UWP)
{
await _databaseService.AddJoke(jokeItem);
}
}
else
{
_toastMessage.ShowToast(commonErrorMessage);
}
}
else
{
_toastMessage.ShowToast(apiErrorMessage);
}
}
catch { _toastMessage.ShowToast(commonErrorMessage); }
}