ex_dav

defmodule ExDav.Storage.Postgres.Schemas.Collection do
  @moduledoc "A DAV collection (calendar or addressbook) owned by a user."
  use Ecto.Schema
  import Ecto.Changeset

  alias ExDav.Storage.Postgres.Schemas.{Resource, User}

  schema "dav_collections" do
    field :name, :string
    field :display_name, :string
    field :description, :string
    field :kind, Ecto.Enum, values: [:calendar, :addressbook], default: :calendar
    field :properties, :map, default: %{}
    field :ctag, :integer, default: 0

    belongs_to :user, User
    has_many :resources, Resource, foreign_key: :collection_id

    timestamps(type: :utc_datetime)
  end

  def changeset(collection, attrs) do
    collection
    |> cast(attrs, [:name, :display_name, :description, :kind, :properties, :ctag, :user_id])
    |> validate_required([:name, :user_id])
    |> unique_constraint([:user_id, :name, :kind])
  end

  def update_props_changeset(collection, attrs) do
    cast(collection, attrs, [:display_name, :description])
  end
end