mobilizon.chapril.org-mobil.../lib/graphql/resolvers/event/utils.ex

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defmodule Mobilizon.GraphQL.Resolvers.Event.Utils do
@moduledoc """
Tools to test permission on events
"""
alias Mobilizon.Actors.Actor
alias Mobilizon.Events
alias Mobilizon.Events.Event
alias Mobilizon.Federation.ActivityPub.{Permission, Relay}
import Mobilizon.Service.Guards, only: [is_valid_string: 1]
@spec can_event_be_updated_by?(Event.t(), Actor.t()) ::
boolean
def can_event_be_updated_by?(
%Event{attributed_to: %Actor{type: :Group}} = event,
%Actor{} = actor_member
) do
Permission.can_update_group_object?(actor_member, event)
end
def can_event_be_updated_by?(
%Event{} = event,
%Actor{id: actor_member_id}
) do
Event.can_be_managed_by?(event, actor_member_id)
end
@spec can_event_be_deleted_by?(Event.t(), Actor.t()) ::
boolean
def can_event_be_deleted_by?(
%Event{attributed_to: %Actor{type: :Group}, id: event_id, url: event_url} = event,
%Actor{} = actor_member
)
when is_valid_string(event_id) and is_valid_string(event_url) do
Permission.can_delete_group_object?(actor_member, event)
end
def can_event_be_deleted_by?(%Event{} = event, %Actor{id: actor_member_id}) do
Event.can_be_managed_by?(event, actor_member_id)
end
@spec check_event_access?(Event.t()) :: boolean()
def check_event_access?(%Event{local: true}), do: true
def check_event_access?(%Event{url: url}) do
relay_actor = Relay.get_actor()
Events.check_if_event_has_instance_follow(url, relay_actor.id)
end
end