Full-Stack React Projects - Second Edition

Adding APIs to follow and unfollow

When a user follows or unfollows another user from the view, both users' records in the database will be updated in response to the follow or unfollow requests.

Set up follow and unfollow routes in user.routes.js as follows.

mern-social/server/routes/user.routes.js:

router.route('/api/users/follow')  .put(authCtrl.requireSignin,        userCtrl.addFollowing,        userCtrl.addFollower)router.route('/api/users/unfollow')  .put(authCtrl.requireSignin,        userCtrl.removeFollowing,        userCtrl.removeFollower)

The addFollowing controller method in the user controller will update the following array for the current user by pushing the followed user's reference into the array, as shown in the following code.

mern-social/server ...