Book Image

ASP.NET Core 2 and Vue.js

By : Stuart Ratcliffe
5 (1)
Book Image

ASP.NET Core 2 and Vue.js

5 (1)
By: Stuart Ratcliffe

Overview of this book

This book will walk you through the process of developing an e-commerce application from start to finish, utilizing an ASP.NET Core web API and Vue.js Single-Page Application (SPA) frontend. We will build the application using a featureslice approach, whereby in each chapter we will add the required frontend and backend changes to complete an entire feature. In the early chapters, we’ll keep things fairly simple to get you started, but by the end of the book, you’ll be utilizing some advanced concepts, such as server-side rendering and continuous integration and deployment. You will learn how to set up and configure a modern development environment for building ASP.NET Core web APIs and Vue.js SPA frontends.You will also learn about how ASP.NET Core differs from its predecessors, and how we can utilize those changes to our benefit. Finally, you will learn the fundamentals of building modern frontend applications using Vue.js, as well as some of the more advanced concepts, which can help make you more productive in your own applications in the future.
Table of Contents (15 chapters)

Updating cart items

The last function we need to perform with our cart items is manually updating the item quantity. As we've just done with removing cart items, we'll need a mutation and an action, and we'll have to perform some minor updates on the CartItem component to wire everything up.

In the ClientApp/store/mutations.js file, add the following new mutation:

export const setProductQuantity = (state, payload) => {
let cartItem = Object.assign({}, state.cart[payload.index]);
cartItem.quantity = payload.quantity;

state.cart.splice(payload.index, 1, cartItem);
};

This mutation is another fairly complicated one due to how the reactivity system in Vue works, but it is virtually identical to the updateProductQuantity mutation we saw earlier, so I won't explain it again this time around. I'm conscious that I've made the same statement about...