ember_services_1

components.cart-contents.js

import Ember from 'ember';
var inject = Ember.inject;

export default Ember.Component.extend({
  //will load the service in file /app/services/shopping-cart.js
  start: inject.service('start'),
  checkValue: Ember.computed('record',function(){
   	status = false
     var name = this.get('record.name')
     var value1 = this.get('record.value')
     var value2 = this.get('record.new_value')
		 var keyPresent = this.get('start').check(name);
     if (keyPresent == false)
     {
      	 this.get('start').add(name);
         console.log("Adding name", name, " in the service start");
         console.log(this.get('start'))
     }
     
  })
  
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

router.js

import EmberRouter from '@ember/routing/router';
import config from './config/environment';

const Router = EmberRouter.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('users');
});

export default Router;

routes.users.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){
   return [
     {
   		name: "Gaurav",
      value: "13",
      new_value: "22",
   	 },
     {
   		name: "Garima",
      value: "32",
      new_value: "99",
   	 },
     {
   		name: "Priyanka",
      value: "45",
      new_value: "1",
   	 },
     {
   		name: "Aarav",
      value: "15",
      new_value: "55",
   	 },
     {
   		name: "Testing",
      value: "7",
      new_value: "79",
   	 },
     {
   		name: "Testing",
      value: "88",
      new_value: "120",
   	 }
   ] 
  }
});

services.start.js

import Service from '@ember/service';

export default Service.extend({
  items: null,

  init() {
    this._super(...arguments);
    this.set('items', []);
  },

  add(item) {
    this.items.pushObject(item);
  },

  remove(item) {
    this.items.removeObject(item);
  },

  empty() {
    this.items.clear();
  },
  check(item){
   	return this.items.includes(item);
  }
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

table {
  width: 100%;
  table-layout: fixed;
}

tr{
 width: 100% 
}
td {
  border: 1px solid;
  width: 100%
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

templates.components.cart-contents.hbs

{{checkValue}}		
    <td> {{record.name}} </td> 
		<td> {{record.value}} </td> 
		<td> {{record.new_value}} </td> 
{{yield}}

templates.users.hbs

<table id="testing_values">
	<tr>
  		<th> Name </th>
      <th> Value 1 </th>
      <th> Value 2 </th>
  </tr>
{{#each model as |user|}}
	<tr>
	 {{cart-contents record=user}}
  </tr>
{{/each}}
</table>

twiddle.json

{
  "version": "0.15.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.4.3",
    "ember-template-compiler": "3.4.3",
    "ember-testing": "3.4.3"
  },
  "addons": {
    "ember-data": "3.4.2"
  }
}