defmodule Mobilizon.Share do @moduledoc """ Holds the list of shares made to external actors """ use Ecto.Schema import Ecto.Changeset import Ecto.Query alias Mobilizon.Storage.Repo alias Mobilizon.Actors.Actor @type t :: %__MODULE__{ uri: String.t(), actor: Actor.t() } @required_attrs [:uri, :actor_id, :owner_actor_id] @optional_attrs [] @attrs @required_attrs ++ @optional_attrs schema "shares" do field(:uri, :string) belongs_to(:actor, Actor) belongs_to(:owner_actor, Actor) timestamps() end @doc false def changeset(share, attrs) do share |> cast(attrs, @attrs) |> validate_required(@required_attrs) |> foreign_key_constraint(:actor_id) |> unique_constraint(:uri, name: :shares_uri_actor_id_index) end @spec create(String.t(), integer(), integer()) :: {:ok, Ecto.Schema.t()} | {:error, Ecto.Changeset.t()} def create(uri, actor_id, owner_actor_id) do %__MODULE__{} |> changeset(%{actor_id: actor_id, owner_actor_id: owner_actor_id, uri: uri}) |> Repo.insert(on_conflict: :nothing) end @spec get(String.t(), integer()) :: Ecto.Schema.t() | nil def get(uri, actor_id) do __MODULE__ |> where(actor_id: ^actor_id, uri: ^uri) |> Repo.one() end @spec get_actors_by_share_uri(String.t()) :: [Ecto.Schema.t()] def get_actors_by_share_uri(uri) do Actor |> join(:inner, [a], s in __MODULE__, on: s.actor_id == a.id) |> where([_a, s], s.uri == ^uri) |> Repo.all() end @spec get_actors_by_owner_actor_id(integer()) :: [Ecto.Schema.t()] def get_actors_by_owner_actor_id(actor_id) do Actor |> join(:inner, [a], s in __MODULE__, on: s.actor_id == a.id) |> where([_a, s], s.owner_actor_id == ^actor_id) |> Repo.all() end @spec delete_all_by_uri(String.t()) :: {integer(), nil | [term()]} def delete_all_by_uri(uri) do __MODULE__ |> where(uri: ^uri) |> Repo.delete_all() end end