cartAPI.js

import axios from 'axios';

export default class CartAPI {
  constructor() {

  }

  getCart() {
    return axios.get('/cart?view=json')
  }

  addToCart(id, quantity = 1, properties = {}) {
    return axios.post('/cart/add.js', {
              id: id,
              quantity: quantity,
              properties: properties
            }).then(() => {
              return this.getCart();
            }); 
  }

  getProduct(handle) {
    return axios.get(`/products/${handle}.js`); 
  }

  changeLineItemQuantity(line, qty) {
    return axios.post('/cart/change.js', {
            quantity: qty,
            line: line 
           }).then(() => {
              return this.getCart();
            });
  }

  removeLineItem(line) {
    return this.changeLineItemQuantity(line, 0);
  }

  clearCart() {
    return axios.post('/cart/clear.js').then(() => {
              return this.getCart();
            });
  }
}