defmodule Ami.Share do
  use Ecto.Schema

  import Ecto.{
    Query,
    Changeset
  }

  alias Ami.{
    # Post,
    User,
    Repo
  }

  schema "shares" do
    field(:shareable_id, :integer)
    field(:shareable_type, :string)
    field(:created_at, :utc_datetime)
    field(:updated_at, :utc_datetime)

    belongs_to(:user, User)
  end

  def preload_shares(struct, shareable_type) do
    struct
    |> Repo.preload(
      shares: from(s in __MODULE__, where: s.shareable_type == ^shareable_type, order_by: s.id)
    )
  end

  def create_share(params) do
    %__MODULE__{}
    |> cast(params, [:shareable_type, :shareable_id, :user_id, :created_at, :updated_at])
    |> Repo.insert()
  end
end