public VocabularyBrowserViewModel(
IReduxStore <WordTutorApplication> store,
ILogger logger)
{
if (logger is null)
{
throw new ArgumentNullException(nameof(logger));
}
_store = store ?? throw new ArgumentNullException(nameof(store));
_logger = logger.Action("Browse Vocabulary List");
var screen = (VocabularyBrowserScreen)_store.State.CurrentScreen;
var vocab = _store.State.VocabularySet.Words;
_selection = screen.Selection;
_modified = screen.Modified;
Words = new ObservableCollection <VocabularyWord>(
vocab.OrderBy(w => w.Spelling));
_screenSubscription = _store.SubscribeToReference(
app => app.CurrentScreen as VocabularyBrowserScreen,
RefreshFromScreen);
_vocabularySubscription = _store.SubscribeToReference(
app => app.VocabularySet,
RefreshFromVocabularySet);
AddWordCommand =
new RoutedCommandSink(ItemCommands.New, AddWord);
ModifyWordCommand = new RoutedCommandSink <VocabularyWord>(
ItemCommands.Open, ModifyWord, CanModifyWord);
}
public ModifyVocabularyWordViewModel(
IReduxStore <WordTutorApplication> store,
ILogger logger)
{
if (logger is null)
{
throw new ArgumentNullException(nameof(logger));
}
_store = store ?? throw new ArgumentNullException(nameof(store));
var screen = _store.State.CurrentScreen as ModifyVocabularyWordScreen;
var areAdding = screen?.ExistingWord is null;
_logger = logger.Action(
areAdding
? "Create Vocabulary Word"
: "Modify Vocabulary Word");
_spelling = screen?.Spelling ?? string.Empty;
_phrase = screen?.Phrase ?? string.Empty;
_pronunciation = screen?.Pronunciation ?? string.Empty;
_caption = areAdding ? "Add Word" : "Modify Word";
_screenSubscription = _store.SubscribeToReference(
app => app.CurrentScreen as ModifyVocabularyWordScreen,
RefreshFromScreen);
SpeakCommand = new RoutedCommandSink <string>(
VoiceCommands.StartSpeaking, Speak, CanSpeak, this);
SaveCommand = new RoutedCommandSink(
ItemCommands.Save, Save, CanSave);
CloseCommand = new RoutedCommandSink(
ItemCommands.Close, Close);
}
/// <summary>
/// Write details of an action
/// </summary>
/// <param name="logger">Logger to use for logging.</param>
/// <param name="messageTemplate">Template for the message to write.</param>
/// <param name="parameters">Parameters to substitute in the template.</param>
public static void Action(this ILogger logger, string messageTemplate, params object[] parameters)
{
if (logger == null)
{
throw new ArgumentNullException(nameof(logger));
}
logger.Action(string.Format(CultureInfo.CurrentCulture, messageTemplate, parameters));
}
/// <summary>
/// Write details of several actions, using tabs to create a table
/// </summary>
/// <param name="logger">Logger to use for logging.</param>
/// <param name="messages">The messages to write.</param>
public static void Action(this ILogger logger, IEnumerable <string> messages)
{
if (logger == null)
{
throw new ArgumentNullException(nameof(logger));
}
foreach (var line in Tablefy(messages))
{
logger.Action(line);
}
}
public async Task SayAsync(string content)
{
using var logger = _logger.Action($"Say {content}");
try
{
var speech = await _renderSpeechService.RenderSpeechAsync(content).ConfigureAwait(false);
_player.Stop();
speech.Seek(0, SeekOrigin.Begin);
_player.Stream = speech;
_player.Play();
}
catch (RenderSpeechException ex)
{
logger.Failure(ex.Message);
}
}
