delivery.ex
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delivery.ex
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	# Pleroma: A lightweight social networking server
	# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
	# SPDX-License-Identifier: AGPL-3.0-only

	defmodule Pleroma.Delivery do
	use Ecto.Schema

	alias Pleroma.Delivery
	alias Pleroma.Object
	alias Pleroma.Repo
	alias Pleroma.User
	alias Pleroma.User

	import Ecto.Changeset
	import Ecto.Query

	schema "deliveries" do
	belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
	belongs_to(:object, Object)
	end

	def changeset(delivery, params \\ %{}) do
	delivery
	\|> cast(params, [:user_id, :object_id])
	\|> validate_required([:user_id, :object_id])
	\|> foreign_key_constraint(:object_id)
	\|> foreign_key_constraint(:user_id)
	\|> unique_constraint(:user_id, name: :deliveries_user_id_object_id_index)
	end

	def create(object_id, user_id) do
	%Delivery{}
	\|> changeset(%{user_id: user_id, object_id: object_id})
	\|> Repo.insert(on_conflict: :nothing)
	end

	def get(object_id, user_id) do
	from(d in Delivery, where: d.user_id == ^user_id and d.object_id == ^object_id)
	\|> Repo.one()
	end

	# A hack because user delete activities have a fake id for whatever reason
	# TODO: Get rid of this
	def delete_all_by_object_id("pleroma:fake_object_id"), do: {0, []}

	def delete_all_by_object_id(object_id) do
	from(d in Delivery, where: d.object_id == ^object_id)
	\|> Repo.delete_all()
	end
	end