We are going to add a settings page to our app. This is going to allow users to pay for our service. The flow will look something like this:

  1. Users put in their credit card info and the number of notes they want to store.
  2. We call Stripe on the frontend to generate a token for the credit card.
  3. We then call our billing API with the token and the number of notes.
  4. Our billing API calculates the amount and bills the card!

To get started let’s add our settings page.

Create a new file in src/containers/Settings.js and add the following.

import React, { Component } from "react";
import { API } from "aws-amplify";

export default class Settings extends Component {
  constructor(props) {
    super(props);

    this.state = {
      isLoading: false
    };
  }

  billUser(details) {
    return API.post("notes", "/billing", {
      body: details
    });
  }

  render() {
    return (
      <div className="Settings">
      </div>
    );
  }
}

Next import this component in the header of src/Routes.js.

import Settings from "./containers/Settings";

And replace our <Switch> block in src/Routes.js with this.

<Switch>
  <AppliedRoute path="/" exact component={Home} props={childProps} />
  <UnauthenticatedRoute path="/login" exact component={Login} props={childProps} />
  <UnauthenticatedRoute path="/signup" exact component={Signup} props={childProps} />
  <AuthenticatedRoute path="/settings" exact component={Settings} props={childProps} />
  <AuthenticatedRoute path="/notes/new" exact component={NewNote} props={childProps} />
  <AuthenticatedRoute path="/notes/:id" exact component={Notes} props={childProps} />
  { /* Finally, catch all unmatched routes */ }
  <Route component={NotFound} />
</Switch>

Notice that we added a route for our new settings page.

Next add a link to our settings page in the navbar by replacing the render method in src/App.js with this.

render() {
  const childProps = {
    isAuthenticated: this.state.isAuthenticated,
    userHasAuthenticated: this.userHasAuthenticated
  };

  return (
    !this.state.isAuthenticating &&
    <div className="App container">
      <Navbar fluid collapseOnSelect>
        <Navbar.Header>
          <Navbar.Brand>
            <Link to="/">Scratch</Link>
          </Navbar.Brand>
          <Navbar.Toggle />
        </Navbar.Header>
        <Navbar.Collapse>
          <Nav pullRight>
            {this.state.isAuthenticated
              ? <Fragment>
                  <LinkContainer to="/settings">
                    <NavItem>Settings</NavItem>
                  </LinkContainer>
                  <NavItem onClick={this.handleLogout}>Logout</NavItem>
                </Fragment>
              : <Fragment>
                  <LinkContainer to="/signup">
                    <NavItem>Signup</NavItem>
                  </LinkContainer>
                  <LinkContainer to="/login">
                    <NavItem>Login</NavItem>
                  </LinkContainer>
                </Fragment>
            }
          </Nav>
        </Navbar.Collapse>
      </Navbar>
      <Routes childProps={childProps} />
    </div>
  );
}

You’ll notice that we added another link in the navbar that only displays when a user is logged in.

Now if you head over to your app, you’ll see a new Settings link at the top. Of course, the page is pretty empty right now.

Add empty settings page screenshot

Commit the Changes

Let’s quickly commit these to Git.

$ git add .
$ git commit -m "Adding settings page"

Next, we’ll add our Stripe SDK keys to our config.