Run a query to fetch the name and email for all users
Run a query to fetch the title and author for all posts and for each author return their name and ID
Add posts to the User type, what type should it return?
Add a resolver for posts on User
Create a new type, Comment with fields id, text, post and author
Add some fake comment data to the database file
Add resolvers for the necessary fields on the Comment type
Add comment fields to User and Post and add the required resolvers
Make some queries for your new types
Part 2
Create a new mutation createPost with the required arguments
Create a resolver for createPost. Make sure to check that an author exists for the author id argument.
If you haven't used an input type, refactor your code to use one.
Test your code by creating some users. (Remember, since we are not writing to a database or file, once you refresh the server, the newly created users will have disappeared)
Repeat steps 1 to 4 for createComment
Part 3
Try subscribing to the post subscription and then creating a new post.
Create a subscription comment that takes an argument postId which will notify of a new comment published for a given post. Remember, you can pass any string into the PubSub asyncIterator function, so you can pass the postId in there.
Try subscribing to your new comment subscription for one of your posts. Then create a comment for it.