Elixir with syntax

def call(conn, _options) do
  with user_id when not is_nil(user_id) <- get_session(conn, :user_id),
       user when not is_nil(user) <- Repo.get(User, user_id)
  do
    assign(conn, :current_user, user)
  else
    _ ->
      conn
      |> Controller.put_flash(:error, "You have to sign in to access this page.")
      |> Controller.redirect(to: "/sign_in_links/new")
      |> halt
  end
end

Source: blog.sundaycoding.com

Similar codes

0 vote301 views1 answer
Jason elixir
Elixir
0 vote173 views1 answer
Extract changeset error elixir
Elixir
-1 vote190 views2 answers
Elixir get error message
Elixir
0 vote347 views1 answer
Elixir write base64 to file
Elixir
0 vote186 views1 answer
How to split a string in elixir
Elixir
1 vote295 views1 answer
HTTPoison post json
Elixir
1 vote313 views1 answer
Elixir map
Elixir
0 vote284 views1 answer
Elixir format code
Elixir
0 vote184 views1 answer
Elixir module
Elixir
0 vote335 views2 answers
Elixir list
Elixir