mandarin

<% preload = for {key, _, _, _} <- schema.assocs, do: key %>
  alias <%= inspect schema.module %>

  @doc """

  Returns a filtered list of <%= schema.plural %>.



  The list is filtered by `params["_search"]`, sorted by `params["_sort"]

  and paginated according to `params["_pagination"].



  ## Examples



      iex> list_<%= schema.plural %>(params)

      [%<%= inspect schema.alias %>{}, ...]



  """
  def list_<%= schema.plural %>(params) do<% [{default_sort_field, _type} | _attrs] = schema.attrs %>
    Forage.paginate(params, <%= inspect schema.alias %>, Repo, sort: [:<%= default_sort_field %>, :id], preload: <%= inspect(preload) %>)
  end

  @doc """

  Gets a single <%= schema.singular %>.



  Raises `Ecto.NoResultsError` if the <%= schema.human_singular %> does not exist.



  ## Examples



      iex> get_<%= schema.singular %>!(123)

      %<%= inspect schema.alias %>{}



      iex> get_<%= schema.singular %>!(456)

      ** (Ecto.NoResultsError)



  """
  def get_<%= schema.singular %>!(id), do: Repo.get!(<%= inspect schema.alias %>, id) |> Repo.preload(<%= inspect(preload) %>)

  @doc """

  Creates a <%= schema.singular %>.



  ## Examples



      iex> create_<%= schema.singular %>(%{field: value})

      {:ok, %<%= inspect schema.alias %>{}}



      iex> create_<%= schema.singular %>(%{field: bad_value})

      {:error, %Ecto.Changeset{}}



  """
  def create_<%= schema.singular %>(attrs \\ %{}) do
    %<%= inspect schema.alias %>{}
    |> <%= inspect schema.alias %>.changeset(attrs)
    |> Repo.insert()
  end

  @doc """

  Updates a <%= schema.singular %>.



  ## Examples



      iex> update_<%= schema.singular %>(<%= schema.singular %>, %{field: new_value})

      {:ok, %<%= inspect schema.alias %>{}}



      iex> update_<%= schema.singular %>(<%= schema.singular %>, %{field: bad_value})

      {:error, %Ecto.Changeset{}}



  """
  def update_<%= schema.singular %>(%<%= inspect schema.alias %>{} = <%= schema.singular %>, attrs) do
    <%= schema.singular %>
    |> <%= inspect schema.alias %>.changeset(attrs)
    |> Repo.update()
  end

  @doc """

  Deletes a <%= inspect schema.alias %>.



  ## Examples



      iex> delete_<%= schema.singular %>(<%= schema.singular %>)

      {:ok, %<%= inspect schema.alias %>{}}



      iex> delete_<%= schema.singular %>(<%= schema.singular %>)

      {:error, %Ecto.Changeset{}}



  """
  def delete_<%= schema.singular %>(%<%= inspect schema.alias %>{} = <%= schema.singular %>) do
    Repo.delete(<%= schema.singular %>)
  end

  @doc """

  Returns an `%Ecto.Changeset{}` for tracking <%= schema.singular %> changes.



  ## Examples



      iex> change_<%= schema.singular %>(<%= schema.singular %>)

      %Ecto.Changeset{source: %<%= inspect schema.alias %>{}}



  """
  def change_<%= schema.singular %>(%<%= inspect schema.alias %>{} = <%= schema.singular %>) do
    <%= inspect schema.alias %>.changeset(<%= schema.singular %>, %{})
  end