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

1 vote251 views1 answer
Elixir
Elixir
0 vote160 views1 answer
Liveview component update
Elixir
0 vote254 views1 answer
Elixir pipeline
Elixir
0 vote285 views2 answers
Elixir list
Elixir
0 vote172 views1 answer
Elixir new structs
Elixir
0 vote170 views1 answer
Liveview component
Elixir
1 vote258 views2 answers
Generate random number elixir
Elixir
0 vote159 views1 answer
Elixir eval ast
Elixir
0 vote293 views1 answer
Elixir timex format
Elixir
0 vote183 views1 answer
Elixir "hd" programming
Elixir