New Twiddle

components.my-component\.js

import Component from '@glimmer/component';

export default class extends Component {
}

controllers.application\.js

import Controller from '@ember/controller';
import { action } from '@ember/object';
import { tracked } from "@glimmer/tracking";

export default class ApplicationController extends Controller {
  appName = 'Ember Twiddle';
	
	@action
	updateProductName(productId){
  	this.model.data.forEach((product) => {
        if (product.id == Number(productId)) {
          product.name = "boom";
        }
      });
  }

	@action
	updatePercentage(commissionId){
  	this.model.data.forEach((product) => {
        product.commissions.forEach((commission, i) => {
          if (commission.id == Number(commissionId)) {
            commission.percentage = 20;
            commission.validatedPercentage = true;
          }
        });
      });
  }
}

routes.application\.js

import Route from '@ember/routing/route';
import { tracked } from "@glimmer/tracking";

class DistributorCommisionProduct {
  constructor({id, name, commissions}) {
    this.id = id;
    this.name = name;
    this.commissions = commissions;
  }
  
  @tracked id;
  @tracked name;
  @tracked commissions;
}


class DistributorCommission {
  constructor({id, campaignName, paid, percentage, validatedPercentage}) {
    this.id = id;
    this.campaignName = campaignName;
    this.paid = paid;
    this.percentage = percentage;
    this.validatedPercentage = validatedPercentage;
  }
  
  @tracked id;
  @tracked campaignName;
  @tracked paid;
  @tracked percentage;
  @tracked validatedPercentage;
}

export default class ApplicationRoute extends Route { 
  model(params) {
    const data = [
      { 
        id: 1, 
        name: "Product 1",
        commissions: [
          {
          	id: 1,
            percentage: 5,
            validatedPercentage: false
          },
          {
          	id: 2,
            percentage: 6,
            validatedPercentage: false
          },
        ]
      },
      { 
        id: 2, 
        name: "Product 2",
        commissions: [
          {
          	id: 3,
            percentage: 10,
            validatedPercentage: false
          },
          {
          	id: 4,
            percentage: 11,
            validatedPercentage: false
          },
        ]
      },
    ]
    
    let products = data.map((product) => {
      let commissions = product.commissions.map((commission) => {
        return new DistributorCommission({
          id: commission.id, 
          campaignName: commission.campaign_name, 
          paid: commission.paid, 
          percentage: commission.percentage, 
          validatedPercentage: commission.validated_percentage})
      })
      return new DistributorCommisionProduct({
        id: product.id, 
        name: product.name,
        commissions: commissions
      })
    })
    
    
    return { data: products };
  }
};

templates.application\.hbs

{{#each @model.data as |product|}}
	<div>
  	{{product.name}}
  	<button {{on "click" (fn this.updateProductName product.id)}}>Update product name</button>
    </div>
  <MyComponent @commissions={{product.commissions}} @updatePercentage={{this.updatePercentage}}/>
{{/each}}

templates.components.my-component\.hbs

{{#each @commissions as |commission|}}
	<div style="margin-left: 10px">{{commission.percentage}} %</div>
  <button {{on "click" (fn @updatePercentage commission.id)}}>update percentage</button>
{{/each}}

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.18.1",
    "ember-template-compiler": "3.18.1",
    "ember-testing": "3.18.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}