mobilizon/lib/federation/activity_stream/converter/tombstone.ex

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defmodule Mobilizon.Federation.ActivityStream.Converter.Tombstone do
@moduledoc """
Comment converter.
This module allows to convert Tombstone models to ActivityStreams data
"""
alias Mobilizon.Tombstone, as: TombstoneModel
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alias Mobilizon.Federation.ActivityStream.{Converter, Convertible}
require Logger
@behaviour Converter
defimpl Convertible, for: TombstoneModel do
alias Mobilizon.Federation.ActivityStream.Converter.Tombstone, as: TombstoneConverter
defdelegate model_to_as(comment), to: TombstoneConverter
end
@doc """
Make an AS tombstone object from an existing `Tombstone` structure.
"""
@impl Converter
@spec model_to_as(TombstoneModel.t()) :: map
def model_to_as(%TombstoneModel{} = tombstone) do
%{
"type" => "Tombstone",
"id" => tombstone.uri,
"actor" => if(tombstone.actor, do: tombstone.actor.url, else: nil),
"deleted" => tombstone.inserted_at
}
end
@doc """
Converting an Tombstone to an object makes no sense, nevertheless
"""
@impl Converter
@spec as_to_model_data(map) :: map
def as_to_model_data(object), do: object
end