bgMessaging.js

//@flow
import { NativeModules, AppState } from 'react-native';
const { SylkNative } = NativeModules;

export default async (remoteMessage) => {
    console.log('Push notification received', remoteMessage.data.event, 'in state', AppState.currentState);

    if (AppState.currentState === "background") {

        let event = remoteMessage.data.event;
        let callUUID = remoteMessage.data['session-id'];
        let to = remoteMessage.data['to_uri'];
        let from = remoteMessage.data['from_uri'];
        let displayName = remoteMessage.data['from_display_name'];
        let mediaType = remoteMessage.data['media-type'];
        let url;

        if (event === 'incoming_conference_request') {
            url = 'sylk://conference/incoming/' + callUUID + '/' + from + '/' + to + '/' + displayName + '/' + mediaType;
        } else if (event === 'incoming_session') {
            url = 'sylk://call/incoming/' + callUUID + '/' + from + '/' + to + '/' + displayName + '/' + mediaType;
        } else if (event === 'cancel') {
            url = 'sylk://call/cancel/' + callUUID;
        }

        if (url) {
            console.log('Wake up from push with URL', url);
            SylkNative.launchMainActivity(encodeURI(url));
        } else {
            console.log('Do not wake up');
        }
    }
    return Promise.resolve();
}