99 lines
2.9 KiB
Elixir
99 lines
2.9 KiB
Elixir
defmodule Mobilizon.Service.ActivityPub.Audience do
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@moduledoc """
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Tools for calculating content audience
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"""
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alias Mobilizon.Actors.Actor
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@ap_public "https://www.w3.org/ns/activitystreams#Public"
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@doc """
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Determines the full audience based on mentions for a public audience
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Audience is:
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* `to` : the mentioned actors, the eventual actor we're replying to and the public
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* `cc` : the actor's followers
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"""
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@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
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def get_to_and_cc(%Actor{} = actor, mentions, in_reply_to, :public) do
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to = [@ap_public | mentions]
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cc = [actor.followers_url]
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if in_reply_to do
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{Enum.uniq([in_reply_to.actor | to]), cc}
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else
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{to, cc}
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end
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end
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@doc """
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Determines the full audience based on mentions based on a unlisted audience
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Audience is:
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* `to` : the mentionned actors, actor's followers and the eventual actor we're replying to
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* `cc` : public
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"""
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@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
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def get_to_and_cc(%Actor{} = actor, mentions, in_reply_to, :unlisted) do
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to = [actor.followers_url | mentions]
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cc = [@ap_public]
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if in_reply_to do
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{Enum.uniq([in_reply_to.actor | to]), cc}
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else
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{to, cc}
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end
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end
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@doc """
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Determines the full audience based on mentions based on a private audience
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Audience is:
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* `to` : the mentioned actors, actor's followers and the eventual actor we're replying to
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* `cc` : none
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"""
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@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
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def get_to_and_cc(%Actor{} = actor, mentions, in_reply_to, :private) do
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{to, cc} = get_to_and_cc(actor, mentions, in_reply_to, :direct)
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{[actor.followers_url | to], cc}
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end
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@doc """
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Determines the full audience based on mentions based on a direct audience
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Audience is:
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* `to` : the mentioned actors and the eventual actor we're replying to
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* `cc` : none
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"""
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@spec get_to_and_cc(Actor.t(), list(), map(), String.t()) :: {list(), list()}
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def get_to_and_cc(_actor, mentions, in_reply_to, :direct) do
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if in_reply_to do
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{Enum.uniq([in_reply_to.actor | mentions]), []}
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else
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{mentions, []}
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end
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end
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def get_to_and_cc(_actor, mentions, _in_reply_to, {:list, _}) do
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{mentions, []}
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end
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# def get_addressed_actors(_, to) when is_list(to) do
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# Actors.get(to)
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# end
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def get_addressed_actors(mentioned_users, _), do: mentioned_users
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def calculate_to_and_cc_from_mentions(
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actor,
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mentions \\ [],
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in_reply_to \\ nil,
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visibility \\ :public
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) do
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with mentioned_actors <- for({_, mentioned_actor} <- mentions, do: mentioned_actor.url),
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addressed_actors <- get_addressed_actors(mentioned_actors, nil),
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{to, cc} <- get_to_and_cc(actor, addressed_actors, in_reply_to, visibility) do
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%{"to" => to, "cc" => cc}
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end
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end
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end
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