debianize-mobilizon/lib/service/activity_pub/converter/actor.ex

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defmodule Mobilizon.Service.ActivityPub.Converter.Actor do
@moduledoc """
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Actor converter.
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This module allows to convert events from ActivityStream format to our own
internal one, and back.
"""
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alias Mobilizon.Actors.Actor, as: ActorModel
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alias Mobilizon.Service.ActivityPub.{Converter, Convertible}
@behaviour Converter
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defimpl Convertible, for: ActorModel do
alias Mobilizon.Service.ActivityPub.Converter.Actor, as: ActorConverter
defdelegate model_to_as(actor), to: ActorConverter
end
@doc """
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Converts an AP object data to our internal data structure.
"""
@impl Converter
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@spec as_to_model_data(map) :: map
def as_to_model_data(object) do
avatar =
object["icon"]["url"] &&
%{
"name" => object["icon"]["name"] || "avatar",
"url" => object["icon"]["url"]
}
banner =
object["image"]["url"] &&
%{
"name" => object["image"]["name"] || "banner",
"url" => object["image"]["url"]
}
%{
"type" => String.to_existing_atom(object["type"]),
"preferred_username" => object["preferredUsername"],
"summary" => object["summary"],
"url" => object["id"],
"name" => object["name"],
"avatar" => avatar,
"banner" => banner,
"keys" => object["publicKey"]["publicKeyPem"],
"manually_approves_followers" => object["manuallyApprovesFollowers"]
}
end
@doc """
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Convert an actor struct to an ActivityStream representation.
"""
@impl Converter
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@spec model_to_as(ActorModel.t()) :: map
def model_to_as(%ActorModel{} = actor) do
%{
"type" => Atom.to_string(actor.type),
"to" => ["https://www.w3.org/ns/activitystreams#Public"],
"preferred_username" => actor.preferred_username,
"name" => actor.name,
"summary" => actor.summary,
"following" => ActorModel.build_url(actor.preferred_username, :following),
"followers" => ActorModel.build_url(actor.preferred_username, :followers),
"inbox" => ActorModel.build_url(actor.preferred_username, :inbox),
"outbox" => ActorModel.build_url(actor.preferred_username, :outbox),
"id" => ActorModel.build_url(actor.preferred_username, :page),
"url" => actor.url
}
end
end