/// <summary>
/// AppendChoices is utility method to build up a message activity given all of the options.
/// </summary>
/// <param name="prompt">prompt.</param>
/// <param name="channelId">channelId.</param>
/// <param name="choices">choices to present.</param>
/// <param name="style">listType.</param>
/// <param name="options">options to control the choice rendering.</param>
/// <param name="cancellationToken">cancellation Token.</param>
/// <returns>bound activity ready to send to the user.</returns>
protected virtual IMessageActivity AppendChoices(IMessageActivity prompt, string channelId, IList <Choice> choices, ListStyle style, ChoiceFactoryOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
// Get base prompt text (if any)
var text = prompt != null && !string.IsNullOrEmpty(prompt.Text) ? prompt.Text : string.Empty;
// Create temporary msg
IMessageActivity msg;
switch (style)
{
case ListStyle.Inline:
msg = ChoiceFactory.Inline(choices, text, null, options);
break;
case ListStyle.List:
msg = ChoiceFactory.List(choices, text, null, options);
break;
case ListStyle.SuggestedAction:
msg = ChoiceFactory.SuggestedAction(choices, text);
break;
case ListStyle.HeroCard:
msg = ChoiceFactory.HeroCard(choices, text);
break;
case ListStyle.None:
msg = Activity.CreateMessageActivity();
msg.Text = text;
break;
default:
msg = ChoiceFactory.ForChannel(channelId, choices, text, null, options);
break;
}
// Update prompt with text, actions and attachments
if (prompt != null)
{
// clone the prompt the set in the options (note ActivityEx has Properties so this is the safest mechanism)
prompt = JsonConvert.DeserializeObject <Activity>(JsonConvert.SerializeObject(prompt));
prompt.Text = msg.Text;
if (msg.SuggestedActions != null && msg.SuggestedActions.Actions != null && msg.SuggestedActions.Actions.Count > 0)
{
prompt.SuggestedActions = msg.SuggestedActions;
}
if (msg.Attachments != null && msg.Attachments.Any())
{
prompt.Attachments = msg.Attachments;
}
return(prompt);
}
else
{
msg.InputHint = InputHints.ExpectingInput;
return(msg);
}
}
protected IMessageActivity AppendChoices(IMessageActivity prompt, string channelId, IList <Choice> choices, ListStyle style, ChoiceFactoryOptions options = null)
{
// Get base prompt text (if any)
var text = prompt != null && !string.IsNullOrEmpty(prompt.Text) ? prompt.Text : string.Empty;
// Create temporary msg
IMessageActivity msg;
switch (style)
{
case ListStyle.Inline:
msg = ChoiceFactory.Inline(choices, text, null, options);
break;
case ListStyle.List:
msg = ChoiceFactory.List(choices, text, null, options);
break;
case ListStyle.SuggestedAction:
msg = ChoiceFactory.SuggestedAction(choices, text);
break;
case ListStyle.None:
msg = Activity.CreateMessageActivity();
msg.Text = text;
break;
default:
msg = ChoiceFactory.ForChannel(channelId, choices, text, null, options);
break;
}
// Update prompt with text and actions
if (prompt != null)
{
prompt.Text = msg.Text;
if (msg.SuggestedActions != null && msg.SuggestedActions.Actions != null && msg.SuggestedActions.Actions.Count > 0)
{
prompt.SuggestedActions = msg.SuggestedActions;
}
return(prompt);
}
else
{
msg.InputHint = InputHints.ExpectingInput;
return(msg);
}
}
