Programming Phoenix 1.4

Creating Resources

We have a form that submits the data for a new user. It’s time to surface this new feature in our controller. This work should happen in our context. Let’s extend Accounts to create users. Open up lib/rumbl/accounts.ex and key this in:

ecto/listings/rumbl/lib/rumbl/accounts.change3.ex

def create_user(attrs \\ %{}) do
  %User{}
  |> User.changeset(attrs)
  |> Repo.insert()
end

Take a look at the new short create_user function. We save our controller from this tiny bit of complexity. Our function has a short pipeline that starts with an empty user, applies a changeset, and then inserts it into the repository. The controller shouldn’t care about these short persistence details, but neither should the schema. We isolate ...