caravela

defmodule <%= inspect @module %> do
  @moduledoc """
  Generated by Caravela from <%= inspect @domain_module %>.

  Regenerate with `mix caravela.gen.schema <%= inspect @domain_module %>`.
  Custom code placed below the `# --- CUSTOM ---` marker is preserved.
  """
  use Ecto.Schema
  import Ecto.Changeset

  @primary_key {:id, :binary_id, autogenerate: true}
  @foreign_key_type :binary_id

  schema "<%= @table %>" do
<%= for f <- @plain_fields do %>    field :<%= f.name %>, <%= inspect Caravela.Types.ecto_type(f.type) %><%= if Keyword.has_key?(f.opts, :default), do: ", default: " <> inspect(Keyword.get(f.opts, :default)) %>
<% end %><%= for r <- @belongs_to do %>    belongs_to :<%= r.assoc_name %>, <%= inspect r.target_module %>
<% end %><%= for r <- @has_many do %>    has_many :<%= r.assoc_name %>, <%= inspect r.target_module %>
<% end %><%= for r <- @has_one do %>    has_one :<%= r.assoc_name %>, <%= inspect r.target_module %>
<% end %>
    timestamps(type: :utc_datetime)
  end

  @required_fields <%= inspect @required_fields %>
  @optional_fields <%= inspect @optional_fields %>

  @doc false
  def changeset(entity, attrs) do
    entity
    |> cast(attrs, @required_fields ++ @optional_fields)
    |> validate_required(@required_fields)
<%= for {line, _} <- @validation_lines do %>    |> <%= line %>
<% end %><%= for r <- @belongs_to do %>    |> foreign_key_constraint(:<%= r.fk %>)
<% end %>  end

  # --- CUSTOM :changeset ---
  # --- END :changeset ---
<%= if @auth_password? do %>
  @doc """
  Changeset for self-registration. Same casting rules as `changeset/2`,
  plus reading a virtual `password` attr and writing its Argon2 hash.
  """
  def registration_changeset(user, attrs) do
    user
    |> changeset(attrs)
    |> unique_constraint(:email)
    |> put_hashed_password(attrs)
  end

  @doc "Changeset used by password reset / explicit password updates."
  def password_changeset(user, attrs) do
    user
    |> cast(attrs, [])
    |> put_hashed_password(attrs)
  end

  defp put_hashed_password(changeset, %{"password" => password})
       when is_binary(password) and byte_size(password) > 0,
       do: do_put_password(changeset, password)

  defp put_hashed_password(changeset, %{password: password})
       when is_binary(password) and byte_size(password) > 0,
       do: do_put_password(changeset, password)

  defp put_hashed_password(changeset, _), do: changeset

  defp do_put_password(changeset, password) do
    if Code.ensure_loaded?(Argon2) and function_exported?(Argon2, :hash_pwd_salt, 1) do
      put_change(changeset, :hashed_password, apply(Argon2, :hash_pwd_salt, [password]))
    else
      add_error(changeset, :password, "argon2_elixir not available")
    end
  end
<% end %><%= if @auth_confirm? do %>
  @doc false
  def confirm_changeset(user, attrs) do
    cast(user, attrs, [:confirmed_at])
  end
<% end %><%= if @auth_api_token? do %>
  @doc false
  def api_tokens_changeset(user, attrs) do
    cast(user, attrs, [:api_tokens])
  end
<% end %>
  <%= @custom_marker %>