87 lines
2.7 KiB
Elixir
87 lines
2.7 KiB
Elixir
defmodule Mobilizon.GraphQL.API.Follows do
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@moduledoc """
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Common API for following, unfollowing, accepting and rejecting stuff.
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"""
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alias Mobilizon.Actors
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alias Mobilizon.Actors.{Actor, Follower}
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alias Mobilizon.Federation.ActivityPub
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require Logger
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@doc """
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Make an actor (`follower`) follow another (`followed`).
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"""
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@spec follow(follower :: Actor.t(), followed :: Actor.t()) ::
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{:ok, Mobilizon.Federation.ActivityPub.Activity.t(), Mobilizon.Actors.Follower.t()}
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| {:error, String.t()}
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def follow(%Actor{} = follower, %Actor{} = followed) do
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ActivityPub.follow(follower, followed)
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end
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@doc """
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Make an actor (`follower`) unfollow another (`followed`).
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"""
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@spec unfollow(follower :: Actor.t(), followed :: Actor.t()) ::
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{:ok, Mobilizon.Federation.ActivityPub.Activity.t(), Mobilizon.Actors.Follower.t()}
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| {:error, String.t()}
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def unfollow(%Actor{} = follower, %Actor{} = followed) do
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ActivityPub.unfollow(follower, followed)
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end
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@doc """
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Make an actor (`followed`) accept the follow from another (`follower`).
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"""
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@spec accept(follower :: Actor.t(), followed :: Actor.t()) ::
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{:ok, Mobilizon.Federation.ActivityPub.Activity.t(), Mobilizon.Actors.Follower.t()}
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| {:error, String.t()}
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def accept(%Actor{url: follower_url} = follower, %Actor{url: followed_url} = followed) do
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Logger.debug(
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"We're trying to accept a follow: #{followed_url} is accepting #{follower_url} follow request."
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)
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case Actors.is_following(follower, followed) do
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%Follower{approved: false} = follow ->
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ActivityPub.accept(
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:follow,
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follow,
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true
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)
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%Follower{approved: true} ->
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{:error, "Follow already accepted"}
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nil ->
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{:error, "Can't accept follow: #{follower_url} is not following #{followed_url}."}
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end
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end
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@doc """
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Make an actor (`followed`) reject the follow from another (`follower`).
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"""
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@spec reject(follower :: Actor.t(), followed :: Actor.t()) ::
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{:ok, Mobilizon.Federation.ActivityPub.Activity.t(), Mobilizon.Actors.Follower.t()}
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| {:error, String.t()}
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def reject(%Actor{url: follower_url} = follower, %Actor{url: followed_url} = followed) do
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Logger.debug(
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"We're trying to reject a follow: #{followed_url} is rejecting #{follower_url} follow request."
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)
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case Actors.is_following(follower, followed) do
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%Follower{approved: true} ->
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{:error, "Follow already accepted"}
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%Follower{} = follow ->
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ActivityPub.reject(
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:follow,
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follow,
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true
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)
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nil ->
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{:error, "Follow not found"}
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end
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end
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end
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