paritosh64ce

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';

@Injectable()
export class MathService {

  constructor() { }

  subtract(a: number, b: number): number {

paritosh64ce

  constructor(private mathSvc: MathService) { }

  subtract() {
    this.result = this.mathSvc.subtract(this.param1, this.param2);
  }
  

paritosh64ce

angular.module('myModule')
  .service('myAuthSvc', ['$http', '$q', function($http, $q){
  var loggedInUserDetails = null;
  this.getLoggedInUserDetails = function(payload) {
    var deferred = $q.defer();
    if(loggedInUserDetails != null) { deferred.resolve(loggedInUserDetails); }
    else{
      $http.post('<loginURL>', /*payload for login*/)
        .then(function(result){
          loggedInUserDetails = result;

paritosh64ce

// controller function – calling service
$scope.loadOrders = function() {
    
    orderService.loadOrder()
	.then(function(result){
    	if(result) {
      	    //populate $scope property for the view
    	}
    })
}