voxa/src/platforms/dialogflow/DialogflowIntent.ts

A fsm (state machine) framework for Alexa, Dialogflow, Facebook Messenger and Botframework apps using Node.js

import { DialogflowConversation } from "actions-on-google";
import * as _ from "lodash";
import { IVoxaIntent } from "../../VoxaEvent";

export class DialogflowIntent implements IVoxaIntent {
  public name: string;
  public params: any;
  public rawIntent: DialogflowConversation;

  constructor(conv: DialogflowConversation) {
    this.rawIntent = conv;
    this.name = conv.action;

    if (!this.name || this.name === "input.unknown") {
      this.name = conv.intent;
    }

    this.name = this.name.replace(/^AMAZON./, "");
    this.params = this.getParams();
  }

  private getParams(): any {
    const args = this.rawIntent.arguments.parsed.input;
    const input: any = {};
    if (this.rawIntent.input.type) {
      input[this.rawIntent.input.type] = this.rawIntent.input.raw;
    }

    const parameters = this.rawIntent.parameters;

    return _.merge({}, args, input, parameters);
  }
}