neiam /gitgud

defmodule GitGud.Events.Event do
  use Ecto.Schema
  import Ecto.Changeset

  alias GitGud.Accounts.User

  @valid_target_types ~w(issue pull_request)

  @valid_kinds ~w(
    opened closed reopened merged
    title_changed description_changed
    pushed
    labeled unlabeled
    moderated unmoderated
    comment_added comment_edited comment_deleted
    reviewed
  )

  schema "events" do
    field :target_type, :string
    field :target_id, :integer
    field :kind, :string
    field :data, :map, default: %{}

    belongs_to :actor, User

    timestamps(type: :utc_datetime, updated_at: false)
  end

  def changeset(event, attrs) do
    event
    |> cast(attrs, [:target_type, :target_id, :kind, :data, :actor_id])
    |> validate_required([:target_type, :target_id, :kind])
    |> validate_inclusion(:target_type, @valid_target_types)
    |> validate_inclusion(:kind, @valid_kinds)
  end

  def valid_kinds, do: @valid_kinds
  def valid_target_types, do: @valid_target_types
end