neiam /gitgud

defmodule GitGud.Lfs.LfsObject do
  use Ecto.Schema
  import Ecto.Changeset

  alias GitGud.Repositories.Repository

  @primary_key {:id, :id, autogenerate: true}
  schema "lfs_objects" do
    field :oid, :string
    field :size, :integer
    field :storage_bucket, :string
    field :storage_key, :string
    field :uploaded_at, :utc_datetime

    belongs_to :repository, Repository

    timestamps(type: :utc_datetime)
  end

  def create_changeset(obj, attrs) do
    obj
    |> cast(attrs, [:repository_id, :oid, :size, :storage_bucket, :storage_key])
    |> validate_required([:repository_id, :oid, :size, :storage_bucket, :storage_key])
    |> validate_length(:oid, is: 64)
    |> validate_format(:oid, ~r/^[0-9a-f]{64}$/)
    |> validate_number(:size, greater_than_or_equal_to: 0)
    |> unique_constraint([:repository_id, :oid])
  end

  def mark_uploaded(obj),
    do: change(obj, uploaded_at: DateTime.utc_now(:second))

  def uploaded?(%__MODULE__{uploaded_at: t}), do: not is_nil(t)
end