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31 lines
1.1 KiB
Elixir
31 lines
1.1 KiB
Elixir
# Portions of this file are derived from Pleroma:
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social>
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# SPDX-License-Identifier: AGPL-3.0-only
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# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/pleroma/web/activity_pub/visibility.ex
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defmodule Mobilizon.Federation.ActivityPub.Visibility do
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@moduledoc """
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Utility functions related to content visibility
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"""
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alias Mobilizon.Discussions.Comment
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alias Mobilizon.Federation.ActivityPub.Activity
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@public "https://www.w3.org/ns/activitystreams#Public"
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@spec is_public?(Activity.t() | map()) :: boolean()
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def is_public?(%{data: %{"type" => "Tombstone"}}), do: false
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def is_public?(%{data: data}), do: is_public?(data)
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def is_public?(%Activity{data: data}), do: is_public?(data)
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def is_public?(data) when is_map(data) do
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@public in make_list(Map.get(data, "to", []))
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end
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def is_public?(%Comment{deleted_at: deleted_at}), do: !is_nil(deleted_at)
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def is_public?(err), do: raise(ArgumentError, message: "Invalid argument #{inspect(err)}")
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defp make_list(data) when is_list(data), do: data
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defp make_list(data), do: [data]
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end
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