defmodule BdfrBrowser.Subreddit do
  use Ecto.Schema

  import Ecto.Query, only: [from: 2]

  alias BdfrBrowser.Post

  schema "subreddits" do
    field :name, :string

    has_many :posts, Post
  end

  def multiple_names(names) do
    from(s in __MODULE__, where: s.name in ^names)
  end

  def names do
    from(s in __MODULE__, select: s.name, order_by: [asc: fragment("lower(?)", s.name)])
  end

  def names_without(hidden) do
    from(s in __MODULE__, select: s.name, where: s.name not in ^hidden, order_by: [asc: fragment("lower(?)", s.name)])
  end
end