debianize-mobilizon/lib/mobilizon/tombstone.ex

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defmodule Mobilizon.Tombstone do
@moduledoc """
Represent tombstones for deleted objects. Saves only URI
"""
use Ecto.Schema
import Ecto.Changeset
alias Mobilizon.Actors.Actor
alias Mobilizon.Storage.Repo
require Ecto.Query
@type t :: %__MODULE__{
uri: String.t(),
actor: Actor.t()
}
@required_attrs [:uri, :actor_id]
@optional_attrs []
@attrs @required_attrs ++ @optional_attrs
schema "tombstones" do
field(:uri, :string)
belongs_to(:actor, Actor)
timestamps()
end
@doc false
@spec changeset(t | Ecto.Schema.t(), map()) :: Ecto.Changeset.t()
def changeset(%__MODULE__{} = tombstone, attrs) do
tombstone
|> cast(attrs, @attrs)
|> validate_required(@required_attrs)
end
@spec create_tombstone(map) :: {:ok, t()} | {:error, Ecto.Changeset.t()}
def create_tombstone(attrs) do
%__MODULE__{}
|> changeset(attrs)
|> Repo.insert(on_conflict: :replace_all, conflict_target: :uri)
end
@spec find_tombstone(String.t()) :: t() | nil
def find_tombstone(uri) do
__MODULE__
|> Ecto.Query.where([t], t.uri == ^uri)
|> Ecto.Query.preload([t], [:actor])
|> Repo.one()
end
@spec delete_actor_tombstones(String.t() | integer()) :: {integer(), nil}
def delete_actor_tombstones(actorId) do
__MODULE__
|> Ecto.Query.where(actor_id: ^actorId)
|> Repo.delete_all()
end
@spec delete_uri_tombstone(String.t()) :: {integer(), nil}
def delete_uri_tombstone(uri) do
__MODULE__
|> Ecto.Query.where(uri: ^uri)
|> Repo.delete_all()
end
end