debianize-mobilizon/lib/mobilizon_web/api/follows.ex

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Elixir
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defmodule MobilizonWeb.API.Follows do
@moduledoc """
Common API for following, unfollowing, accepting and rejecting stuff.
"""
alias Mobilizon.Actors
alias Mobilizon.Actors.{Actor, Follower}
alias Mobilizon.Service.ActivityPub
alias Mobilizon.Service.ActivityPub.Activity
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require Logger
def follow(%Actor{} = follower, %Actor{} = followed) do
case ActivityPub.follow(follower, followed) do
{:ok, activity, _} ->
{:ok, activity}
e ->
Logger.warn("Error while following actor: #{inspect(e)}")
{:error, e}
end
end
def unfollow(%Actor{} = follower, %Actor{} = followed) do
case ActivityPub.unfollow(follower, followed) do
{:ok, activity, _} ->
{:ok, activity}
e ->
Logger.warn("Error while unfollowing actor: #{inspect(e)}")
{:error, e}
end
end
def accept(%Actor{} = follower, %Actor{} = followed) do
with %Follower{approved: false} = follow <-
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Actors.is_following(follower, followed),
{:ok, %Activity{} = activity, %Follower{approved: true}} <-
ActivityPub.accept(
:follow,
follow,
%{approved: true}
) do
{:ok, activity}
else
%Follower{approved: true} ->
{:error, "Follow already accepted"}
end
end
end