version chapril de mobilizon https://mobilizon.chapril.org/
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mobilizon.chapril.org-mobil.../lib/graphql/api/follows.ex

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defmodule Mobilizon.GraphQL.API.Follows do
@moduledoc """
Common API for following, unfollowing, accepting and rejecting stuff.
"""
alias Mobilizon.Actors
alias Mobilizon.Actors.{Actor, Follower}
alias Mobilizon.Federation.ActivityPub
alias Mobilizon.Federation.ActivityPub.Activity
require Logger
def follow(%Actor{} = follower, %Actor{} = followed) do
case ActivityPub.follow(follower, followed) do
{:ok, activity, follow} ->
{:ok, activity, follow}
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, follow} ->
{:ok, activity, follow}
e ->
Logger.warn("Error while unfollowing actor: #{inspect(e)}")
{:error, e}
end
end
def accept(%Actor{} = follower, %Actor{} = followed) do
Logger.debug("We're trying to accept a follow")
with %Follower{approved: false} = follow <-
Actors.is_following(follower, followed),
{:ok, %Activity{} = activity, %Follower{approved: true} = follow} <-
ActivityPub.accept(
:follow,
follow,
true
) do
{:ok, activity, follow}
else
%Follower{approved: true} ->
{:error, "Follow already accepted"}
end
end
def reject(%Actor{} = follower, %Actor{} = followed) do
Logger.debug("We're trying to reject a follow")
with {:follower, %Follower{} = follow} <-
{:follower, Actors.is_following(follower, followed)},
{:ok, %Activity{} = activity, %Follower{} = follow} <-
ActivityPub.reject(
:follow,
follow,
true
) do
{:ok, activity, follow}
else
{:follower, nil} ->
{:error, "Follow not found"}
{:follower, %Follower{approved: true}} ->
{:error, "Follow already accepted"}
end
end
end