protected override async Task MessageReceivedInternalAsync(IDialogContext context, IAwaitable <IMessageActivity> result)
{
var messageText = (await result).Text.Trim();
FavoriteLocation value = null;
string command = null;
if (StringComparer.OrdinalIgnoreCase.Equals(messageText, this.ResourceManager.OtherComand))
{
this.SwitchToLocationRetriever(context);
}
else if (this.TryParseSelection(context, messageText, out value))
{
await this.ProcessRetrievedLocation(context, value.Location);
}
else if (this.TryParseCommandSelection(context, messageText, out value, out command) &&
(StringComparer.OrdinalIgnoreCase.Equals(command, this.ResourceManager.DeleteCommand) ||
StringComparer.OrdinalIgnoreCase.Equals(command, this.ResourceManager.EditCommand)))
{
if (StringComparer.OrdinalIgnoreCase.Equals(command, this.ResourceManager.DeleteCommand))
{
TryConfirmAndDelete(context, value);
}
else
{
var editDialog = this.locationDialogFactory.CreateDialog(BranchType.EditFavoriteLocation, value.Location, value.Name);
context.Call(editDialog, this.ResumeAfterChildDialogAsync);
}
}
else
{
await context.PostAsync(string.Format(this.ResourceManager.InvalidFavoriteLocationSelection, messageText));
context.Wait(this.MessageReceivedAsync);
}
}
private void TryConfirmAndDelete(IDialogContext context, FavoriteLocation favoriteLocation)
{
var confirmationAsk = string.Format(
this.ResourceManager.DeleteFavoriteConfirmationAsk,
$"{favoriteLocation.Name}: {favoriteLocation.Location.GetFormattedAddress(this.ResourceManager.AddressSeparator)}");
this.selectedLocation = favoriteLocation;
PromptDialog.Confirm(
context,
async(dialogContext, answer) =>
{
if (await answer)
{
this.favoritesManager.Delete(dialogContext, this.selectedLocation);
await dialogContext.PostAsync(string.Format(this.ResourceManager.FavoriteDeletedConfirmation, this.selectedLocation.Name));
await this.StartAsync(dialogContext);
}
else
{
await dialogContext.PostAsync(string.Format(this.ResourceManager.DeleteFavoriteAbortion, this.selectedLocation.Name));
await dialogContext.PostAsync(this.ResourceManager.SelectFavoriteLocationPrompt);
dialogContext.Wait(this.MessageReceivedAsync);
}
},
confirmationAsk,
retry: this.ResourceManager.ConfirmationInvalidResponse,
promptStyle: PromptStyle.None);
}
private bool TryParseCommandSelection(IDialogContext context, string text, out FavoriteLocation value, out string command)
{
value = null;
command = null;
var tokens = text.Split(' ');
if (tokens.Length != 2)
{
return(false);
}
command = tokens[0];
return(this.TryParseSelection(context, tokens[1], out value));
}
private bool TryParseSelection(IDialogContext context, string text, out FavoriteLocation value)
{
var favoriteRetrievedByName = this.favoritesManager.GetFavoriteByName(context, text);
if (favoriteRetrievedByName != null)
{
value = favoriteRetrievedByName;
return(true);
}
int index = -1;
if (int.TryParse(text, out index))
{
value = this.favoritesManager.GetFavoriteByIndex(context, index - 1);
return(value != null);
}
value = null;
return(false);
}