defmodule Eventos.Events.Track do
  @moduledoc """
  Represents a track for an event (such as a theme) having multiple sessions
  """
  use Ecto.Schema
  import Ecto.Changeset
  alias Eventos.Events.{Track, Event, Session}


  schema "tracks" do
    field :color, :string
    field :description, :string
    field :name, :string
    belongs_to :event, Event
    has_many :sessions, Session

    timestamps()
  end

  @doc false
  def changeset(%Track{} = track, attrs) do
    track
    |> cast(attrs, [:name, :description, :color, :event_id])
    |> validate_required([:name, :description, :color])
  end
end