/** * @module botkit */ /** * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the MIT License. */ import { Botkit, BotkitMessage } from './core'; import { BotWorker } from './botworker'; import { BotkitDialogWrapper } from './dialogWrapper'; import { Dialog, DialogContext, DialogReason, DialogTurnStatus } from 'botbuilder-dialogs'; /** * Definition of the handler functions used to handle .ask and .addQuestion conditions */ interface BotkitConvoHandler { (answer: string, convo: BotkitDialogWrapper, bot: BotWorker, message: BotkitMessage): Promise; } /** * Definition of the trigger pattern passed into .ask or .addQuestion */ interface BotkitConvoTrigger { type?: string; pattern?: string | RegExp; handler: BotkitConvoHandler; default?: boolean; } /** * Template for definiting a BotkitConversation template */ interface BotkitMessageTemplate { text: ((template: any, vars: any) => string) | string[]; action?: string; execute?: { script: string; thread?: string; }; quick_replies?: ((template: any, vars: any) => any[]) | any[]; attachments?: ((template: any, vars: any) => any[]) | any[]; blocks?: ((template: any, vars: any) => any[]) | any[]; attachment?: ((template: any, vars: any) => any) | any; attachmentLayout?: string; channelData?: any; collect: { key?: string; options?: BotkitConvoTrigger[]; }; } export interface BotkitConversationStep { /** * The number pointing to the current message in the current thread in this dialog's script */ index: number; /** * The name of the current thread */ thread: string; /** * The length of the current thread */ threadLength: number; /** * A pointer to the current dialog state */ state: any; /** * A pointer to any options passed into the dialog when it began */ options: any; /** * The reason for this step being called */ reason: DialogReason; /** * The results of the previous turn */ result: any; /** * A pointer directly to state.values */ values: any; /** * A function to call when the step is completed. */ next: (stepResult: any) => Promise; } /** * An extension on the [BotBuilder Dialog Class](https://docs.microsoft.com/en-us/javascript/api/botbuilder-dialogs/dialog?view=botbuilder-ts-latest) that provides a Botkit-friendly interface for * defining and interacting with multi-message dialogs. Dialogs can be constructed using `say()`, `ask()` and other helper methods. * * ```javascript * // define the structure of your dialog... * const convo = new BotkitConversation('foo', controller); * convo.say('Hello!'); * convo.ask('What is your name?', async(answer, convo, bot) => { * await bot.say('Your name is ' + answer); * }); * controller.dialogSet.add(convo); * * // later on, trigger this dialog by its id * controller.on('event', async(bot, message) => { * await bot.beginDialog('foo'); * }) * ``` */ export declare class BotkitConversation extends Dialog { /** * A map of every message in the dialog, broken into threads */ script: any; private _prompt; private _beforeHooks; private _afterHooks; private _changeHooks; private _controller; /** * Create a new BotkitConversation object * @param dialogId A unique identifier for this dialog, used to later trigger this dialog * @param controller A pointer to the main Botkit controller */ constructor(dialogId: string, controller: Botkit); /** * Add a non-interactive message to the default thread. * Messages added with `say()` and `addMessage()` will _not_ wait for a response, will be sent one after another without a pause. * * [Learn more about building conversations →](../conversations.md#build-a-conversation) * * ```javascript * let conversation = new BotkitConversation('welcome', controller); * conversation.say('Hello! Welcome to my app.'); * conversation.say('Let us get started...'); * ``` * * @param message Message template to be sent */ say(message: Partial | string): BotkitConversation; /** * An an action to the conversation timeline. This can be used to go to switch threads or end the dialog. * * When provided the name of another thread in the conversation, this will cause the bot to go immediately * to that thread. * * Otherwise, use one of the following keywords: * * `stop` * * `repeat` * * `complete` * * `timeout` * * [Learn more about building conversations →](../conversations.md#build-a-conversation) * * ```javascript * * // go to a thread called "next_thread" * convo.addAction('next_thread'); * * // end the conversation and mark as successful * convo.addAction('complete'); * ``` * @param action An action or thread name * @param thread_name The name of the thread to which this action is added. Defaults to `default` */ addAction(action: string, thread_name?: string): BotkitConversation; /** * Cause the dialog to call a child dialog, wait for it to complete, * then store the results in a variable and resume the parent dialog. * Use this to [combine multiple dialogs into bigger interactions.](../conversations.md#composing-dialogs) * * [Learn more about building conversations →](../conversations.md#build-a-conversation) * ```javascript * // define a profile collection dialog * let profileDialog = new BotkitConversation('PROFILE_DIALOG', controller); * profileDialog.ask('What is your name?', async(res, convo, bot) => {}, {key: 'name'}); * profileDialog.ask('What is your age?', async(res, convo, bot) => {}, {key: 'age'}); * profileDialog.ask('What is your location?', async(res, convo, bot) => {}, {key: 'location'}); * controller.addDialog(profileDialog); * * let onboard = new BotkitConversation('ONBOARDING', controller); * onboard.say('Hello! It is time to collect your profile data.'); * onboard.addChildDialog('PROFILE_DIALOG', 'profile'); * onboard.say('Hello, {{vars.profile.name}}! Onboarding is complete.'); * ``` * * @param dialog_id the id of another dialog * @param key_name the variable name in which to store the results of the child dialog. if not provided, defaults to dialog_id. * @param thread_name the name of a thread to which this call should be added. defaults to 'default' */ addChildDialog(dialog_id: string, key_name?: string, thread_name?: string): BotkitConversation; /** * Cause the current dialog to handoff to another dialog. * The parent dialog will not resume when the child dialog completes. However, the afterDialog event will not fire for the parent dialog until all child dialogs complete. * Use this to [combine multiple dialogs into bigger interactions.](../conversations.md#composing-dialogs) * * [Learn more about building conversations →](../conversations.md#build-a-conversation) * ```javascript * let parent = new BotkitConversation('parent', controller); * let child = new BotkitConversation('child', controller); * parent.say('Moving on....'); * parent.addGotoDialog('child'); * ``` * * @param dialog_id the id of another dialog * @param thread_name the name of a thread to which this call should be added. defaults to 'default' */ addGotoDialog(dialog_id: string, thread_name?: string): BotkitConversation; /** * Add a message template to a specific thread. * Messages added with `say()` and `addMessage()` will be sent one after another without a pause. * * [Learn more about building conversations →](../conversations.md#build-a-conversation) * ```javascript * let conversation = new BotkitConversation('welcome', controller); * conversation.say('Hello! Welcome to my app.'); * conversation.say('Let us get started...'); * // pass in a message with an action that will cause gotoThread to be called... * conversation.addAction('continuation'); * * conversation.addMessage('This is a different thread completely', 'continuation'); * ``` * * @param message Message template to be sent * @param thread_name Name of thread to which message will be added */ addMessage(message: Partial | string, thread_name: string): BotkitConversation; /** * Add a question to the default thread. * In addition to a message template, receives either a single handler function to call when an answer is provided, * or an array of handlers paired with trigger patterns. When providing multiple conditions to test, developers may also provide a * handler marked as the default choice. * * [Learn more about building conversations →](../conversations.md#build-a-conversation) * ```javascript * // ask a question, handle the response with a function * convo.ask('What is your name?', async(response, convo, bot, full_message) => { * await bot.say('Oh your name is ' + response); * }, {key: 'name'}); * * // ask a question, evaluate answer, take conditional action based on response * convo.ask('Do you want to eat a taco?', [ * { * pattern: 'yes', * type: 'string', * handler: async(response_text, convo, bot, full_message) => { * return await convo.gotoThread('yes_taco'); * } * }, * { * pattern: 'no', * type: 'string', * handler: async(response_text, convo, bot, full_message) => { * return await convo.gotoThread('no_taco'); * } * }, * { * default: true, * handler: async(response_text, convo, bot, full_message) => { * await bot.say('I do not understand your response!'); * // start over! * return await convo.repeat(); * } * } * ], {key: 'tacos'}); * ``` * * @param message a message that will be used as the prompt * @param handlers one or more handler functions defining possible conditional actions based on the response to the question. * @param key name of variable to store response in. */ ask(message: Partial | string, handlers: BotkitConvoHandler | BotkitConvoTrigger[], key: { key: string; } | string | null): BotkitConversation; /** * Identical to [ask()](#ask), but accepts the name of a thread to which the question is added. * * [Learn more about building conversations →](../conversations.md#build-a-conversation) * @param message A message that will be used as the prompt * @param handlers One or more handler functions defining possible conditional actions based on the response to the question * @param key Name of variable to store response in. * @param thread_name Name of thread to which message will be added */ addQuestion(message: Partial | string, handlers: BotkitConvoHandler | BotkitConvoTrigger[], key: { key: string; } | string | null, thread_name: string): BotkitConversation; /** * Register a handler function that will fire before a given thread begins. * Use this hook to set variables, call APIs, or change the flow of the conversation using `convo.gotoThread` * * ```javascript * convo.addMessage('This is the foo thread: var == {{vars.foo}}', 'foo'); * convo.before('foo', async(convo, bot) => { * // set a variable here that can be used in the message template * convo.setVar('foo','THIS IS FOO'); * * }); * ``` * * @param thread_name A valid thread defined in this conversation * @param handler A handler function in the form async(convo, bot) => { ... } */ before(thread_name: string, handler: (convo: BotkitDialogWrapper, bot: BotWorker) => Promise): void; /** * This private method is called before a thread begins, and causes any bound handler functions to be executed. * @param thread_name the thread about to begin * @param dc the current DialogContext * @param step the current step object */ private runBefore; /** * Bind a function to run after the dialog has completed. * The first parameter to the handler will include a hash of all variables set and values collected from the user during the conversation. * The second parameter to the handler is a BotWorker object that can be used to start new dialogs or take other actions. * * [Learn more about handling end of conversation](../conversations.md#handling-end-of-conversation) * ```javascript * let convo = new BotkitConversation(MY_CONVO, controller); * convo.ask('What is your name?', [], 'name'); * convo.ask('What is your age?', [], 'age'); * convo.ask('What is your favorite color?', [], 'color'); * convo.after(async(results, bot) => { * * // handle results.name, results.age, results.color * * }); * controller.addDialog(convo); * ``` * * @param handler in the form async(results, bot) { ... } */ after(handler: (results: any, bot: BotWorker) => void): void; /** * This private method is called at the end of the conversation, and causes any bound handler functions to be executed. * @param context the current dialog context * @param results an object containing the final results of the dialog */ private runAfter; /** * Bind a function to run whenever a user answers a specific question. Can be used to validate input and take conditional actions. * * ```javascript * convo.ask('What is your name?', [], 'name'); * convo.onChange('name', async(response, convo, bot) => { * * // user changed their name! * // do something... * * }); * ``` * @param variable name of the variable to watch for changes * @param handler a handler function that will fire whenever a user's response is used to change the value of the watched variable */ onChange(variable: string, handler: (response: any, convo: any, bot: any) => Promise): void; /** * This private method is responsible for firing any bound onChange handlers when a variable changes * @param variable the name of the variable that is changing * @param value the new value of the variable * @param dc the current DialogContext * @param step the current step object */ private runOnChange; /** * Called automatically when a dialog begins. Do not call this directly! * @ignore * @param dc the current DialogContext * @param options an object containing initialization parameters passed to the dialog. may include `thread` which will cause the dialog to begin with that thread instead of the `default` thread. */ beginDialog(dc: DialogContext, options: any): Promise; /** * Called automatically when an already active dialog is continued. Do not call this directly! * @ignore * @param dc the current DialogContext */ continueDialog(dc: DialogContext): Promise; /** * Called automatically when a dialog moves forward a step. Do not call this directly! * @ignore * @param dc The current DialogContext * @param reason Reason for resuming the dialog * @param result Result of previous step */ resumeDialog(dc: any, reason: any, result: any): Promise; /** * Called automatically to process the turn, interpret the script, and take any necessary actions based on that script. Do not call this directly! * @ignore * @param dc The current dialog context * @param step The current step object */ private onStep; /** * Run a dialog step, based on the index and thread_name passed in. * @param dc The current DialogContext * @param index The index of the current step * @param thread_name The name of the current thread * @param reason The reason given for running this step * @param result The result of the previous turn if any */ private runStep; /** * Automatically called when the the dialog ends and causes any handlers bound using `after()` to fire. Do not call this directly! * @ignore * @param dc The current DialogContext * @param value The final value collected by the dialog. */ end(dc: DialogContext): Promise; /** * Translates a line from the dialog script into an Activity. Responsible for doing token replacement. * @param line a message template from the script * @param vars an object containing key/value pairs used to do token replacement on fields in the message template */ private makeOutgoing; /** * Responsible for doing token replacements recursively in attachments and other multi-field properties of the message. * @param attachments some object or array containing values for which token replacements should be made. * @param vars an object defining key/value pairs used for the token replacements */ private parseTemplatesRecursive; /** * Handle the scripted "gotothread" action - requires an additional call to runStep. * @param thread The name of the thread to jump to * @param dc The current DialogContext * @param step The current step object */ private gotoThreadAction; /** * Accepts a Botkit script action, and performs that action * @param path A conditional path in the form {action: 'some action', handler?: some handler function, maybe_other_fields} * @param dc The current DialogContext * @param step The current stpe object */ private handleAction; } export {};