react-native-api-ai/index.android.js

A React-Native Bridge for the Google API AI SDK

'use strict';

import {NativeModules} from 'react-native';
import requestEvent from './js/ResetContextsRequest';
import {ApiAiConstants} from 'api-ai-javascript';

let ApiAi = NativeModules.ApiAi;

ApiAi.startListening = (onResult: () => {}, onError: () => {}) => {
    ApiAi.startListeningNative((r) => onResult(JSON.parse(r)), (e) => onError(JSON.parse(e)))
};

ApiAi.requestQuery = (query: String, onResult: () => {}, onError: () => {}) => {
    ApiAi.requestQueryNative(query, (r) => onResult(JSON.parse(r)), (e) => onError(JSON.parse(e)))
};

ApiAi.setContexts = (contexts) => {
    ApiAi.setContextsAsJson(JSON.stringify(contexts))
};

ApiAi.setPermanentContexts = (contexts) => {

    // set lifespan to 1 if it's not set
    contexts.forEach((c, i, a) => {
        if (!c.lifespan) {
            a[i] = {...c, lifespan: 1};
        }
    });

    ApiAi.setPermanentContextsAsJson(JSON.stringify(contexts))
};

ApiAi.resetContexts = async (onResult: () => {}, onError: () => {}) => {
    ApiAi.setContextsAsJson({});

    const accessToken = await ApiAi.getAccessToken();
    const sessionId = await ApiAi.getSessionId();
    let request = new ResetContextsRequest(accessToken, sessionId, null);
    request.perform().then(res => onResult(res)).catch(err => onError(err));
};

ApiAi.setEntities = (entities) => {
    ApiAi.setEntitiesAsJson(JSON.stringify(entities))
};

ApiAi.requestEvent = async (eventName: string, eventData: {}, onResult: () => {}, onError: () => {}) => {

    const accessToken = await ApiAi.getAccessToken();
    const sessionId = await ApiAi.getSessionId();
    const languageTag = await ApiAi.getLanguage();

    const data = {
        "event": {
            "name": eventName,
            "data": {
                ...eventData
            }
        },
        'lang': languageTag,
        "sessionId": sessionId
    };

    fetch(ApiAiConstants.DEFAULT_BASE_URL + "query?v=" + ApiAiConstants.DEFAULT_API_VERSION, {
        method: "POST",
        headers: {
            'Content-Type': 'application/json',
            'Authorization': 'Bearer ' + accessToken,
            'charset': "utf-8"
        },
        body: JSON.stringify(data)
    })
        .then(function (response) {
            var json = response.json().then(onResult)
        })
        .catch(onError);
};

module.exports = ApiAi;