landing : Model -> Html Msg
landing model =
    case model.posts of
        NotAsked ->
            div [] []
        Loading ->
            withLoader (div [] [])
        Success posts ->
             RemoteData.map userHeader model.user
                |> RemoteData.withDefault authHeader
                |> flip layout (landingBody posts)
        Failure err -> error err

readPost : String -> Model -> Html Msg
readPost id model =
    case model.posts of
        NotAsked ->
            div [] []
        Loading ->
            withLoader (div [] [])
        Success posts ->
             case List.head <| List.filter (\post -> post.id == id) posts of
                Just post ->
                     RemoteData.map userHeader model.user
                     |> RemoteData.withDefault authHeader
                     |> flip layout (readPostBody post)
                Nothing ->
                    error "404 Not Found"
        Failure err -> error err