defmodule Memex.Notes.Note do @moduledoc """ Schema for a user-written note """ use Ecto.Schema import Ecto.Changeset import MemexWeb.Gettext alias Ecto.{Changeset, UUID} alias Memex.{Accounts.User, Repo} @primary_key {:id, :binary_id, autogenerate: true} @foreign_key_type :binary_id schema "notes" do field :slug, :string field :content, :string field :tags, {:array, :string} field :tags_string, :string, virtual: true field :visibility, Ecto.Enum, values: [:public, :private, :unlisted] belongs_to :user, User timestamps() end @type t :: %__MODULE__{ slug: slug(), content: String.t(), tags: [String.t()] | nil, tags_string: String.t(), visibility: :public | :private | :unlisted, user: User.t() | Ecto.Association.NotLoaded.t(), user_id: User.id(), inserted_at: NaiveDateTime.t(), updated_at: NaiveDateTime.t() } @type id :: UUID.t() @type slug :: String.t() @type changeset :: Changeset.t(t()) @doc false @spec create_changeset(attrs :: map(), User.t()) :: changeset() def create_changeset(attrs, %User{id: user_id}) do %__MODULE__{} |> cast(attrs, [:slug, :content, :tags, :visibility]) |> change(user_id: user_id) |> cast_tags_string(attrs) |> validate_format(:slug, ~r/^[\p{L}\p{N}\-]+$/, message: dgettext("errors", "invalid format: only numbers, letters and hyphen are accepted") ) |> validate_required([:slug, :content, :user_id, :visibility]) |> unique_constraint(:slug) |> unsafe_validate_unique(:slug, Repo) end @spec update_changeset(t(), attrs :: map(), User.t()) :: changeset() def update_changeset(%{user_id: user_id} = note, attrs, %User{id: user_id}) do note |> cast(attrs, [:slug, :content, :tags, :visibility]) |> cast_tags_string(attrs) |> validate_format(:slug, ~r/^[\p{L}\p{N}\-]+$/, message: dgettext("errors", "invalid format: only numbers, letters and hyphen are accepted") ) |> validate_required([:slug, :content, :visibility]) |> unique_constraint(:slug) |> unsafe_validate_unique(:slug, Repo) end defp cast_tags_string(changeset, %{"tags_string" => tags_string}) when tags_string |> is_binary() do tags = tags_string |> String.split(",", trim: true) |> Enum.map(fn str -> str |> String.trim() end) |> Enum.sort() changeset |> change(tags: tags) end defp cast_tags_string(changeset, _attrs), do: changeset end