OneSignal service

notifications.ts

import { Injectable } from "@angular/core";

import * as application from 'application';
let TnsOneSignal = require('nativescript-onesignal').TnsOneSignal;

@Injectable()
export class NotificationService {
    
    constructor() {}

    getUserIds():Promise<any> {

        let p = new Promise((resolve, reject) => {

              TnsOneSignal.IdsAvailable(function(userId,registrationId) {
                    if(userId != 'nil' || userId != "" || userId != undefined) {
                        console.log("trying to get IDS...", userId);
                        resolve(userId);                        
                    }
                    else {
                        reject('No IDs available');
                    }
                }); 
            

        });

        return p;

    }; 
    
    // {mytag1: "value1", mytag2: "value2", mytag3: "value3"} 
    saveTags(tags){
        if(application.ios)  {
            TnsOneSignal.sendTags(tags);
        }
               
        if(application.android)  {
            com.onesignal.OneSignal.sendTags(JSON.stringify(tags));
        }
    }


}