Ember Data Update Cart Items Example

cart.js

import Controller from '@ember/controller';
import { all } from 'rsvp';

export default Controller.extend({
  actions: {
    updateCartItemsAddress(address) {
      let cartItems = this.get('model.cartItems');
      
      return all(cartItems.map((cartItem) => {
        cartItem.set('address', address);
        return cartItem.save();
      }).catch(() => {
        // This could get weird...
      });
    }
  }
});