botbuilder-dialogs
Version:
A dialog stack based conversation manager for Microsoft BotBuilder.
115 lines • 5.38 kB
JavaScript
;
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var __importStar = (this && this.__importStar) || function (mod) {
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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Object.defineProperty(exports, "__esModule", { value: true });
exports.DateTimePrompt = void 0;
/**
* @module botbuilder-dialogs
*/
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
const Recognizers = __importStar(require("@microsoft/recognizers-text-date-time"));
const botbuilder_core_1 = require("botbuilder-core");
const prompt_1 = require("./prompt");
/**
* Prompts a user to enter a datetime expression.
*
* @remarks
* By default the prompt will return to the calling dialog a `DateTimeResolution[]`.
*/
class DateTimePrompt extends prompt_1.Prompt {
/**
* Creates a new DateTimePrompt instance.
*
* @param dialogId Unique ID of the dialog within its parent `DialogSet` or `ComponentDialog`.
* @param validator (Optional) validator that will be called each time the user responds to the prompt.
* @param defaultLocale (Optional) locale to use if `TurnContext.activity.locale` is not specified. Defaults to a value of `en-us`.
*/
constructor(dialogId, validator, defaultLocale) {
super(dialogId, validator);
this.defaultLocale = defaultLocale;
}
/**
* Prompts the user for input.
*
* @param context [TurnContext](xref:botbuilder-core.TurnContext), context for the current
* turn of conversation with the user.
* @param state Contains state for the current instance of the prompt on the dialog stack.
* @param options A [PromptOptions](xref:botbuilder-dialogs.PromptOptions) object constructed
* from the options initially provided in the call to Prompt.
* @param isRetry `true` if this is the first time this prompt dialog instance
* on the stack is prompting the user for input; otherwise, false.
* @returns A `Promise` representing the asynchronous operation.
*/
onPrompt(context, state, options, isRetry) {
return __awaiter(this, void 0, void 0, function* () {
if (isRetry && options.retryPrompt) {
yield context.sendActivity(options.retryPrompt, undefined, botbuilder_core_1.InputHints.ExpectingInput);
}
else if (options.prompt) {
yield context.sendActivity(options.prompt, undefined, botbuilder_core_1.InputHints.ExpectingInput);
}
});
}
/**
* Attempts to recognize the user's input.
*
* @param context [TurnContext](xref:botbuilder-core.TurnContext), context for the current
* turn of conversation with the user.
* @param _state Contains state for the current instance of the prompt on the dialog stack.
* @param _options A [PromptOptions](xref:botbuilder-dialogs.PromptOptions) object constructed
* from the options initially provided in the call to Prompt.
* @returns A `Promise` representing the asynchronous operation.
*/
onRecognize(context, _state, _options) {
return __awaiter(this, void 0, void 0, function* () {
const result = { succeeded: false };
const activity = context.activity;
const utterance = activity.text;
if (!utterance) {
return result;
}
const locale = activity.locale || this.defaultLocale || 'en-us';
const results = Recognizers.recognizeDateTime(utterance, locale);
if (results.length > 0 && results[0].resolution) {
result.succeeded = true;
result.value = results[0].resolution.values;
}
return result;
});
}
}
exports.DateTimePrompt = DateTimePrompt;
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