app/controllers/next_task_relationships_controller.rb
# Next Task Relationships Controller
class NextTaskRelationshipsController < ApplicationController
before_action :authenticate_user!
include RelationTask
def create
add_relation_to_current(params[:next_task], params[:prev_task], :add_next_task)
end
def destroy
delete_relation_from_current(params[:delete_id], params[:id], :delete_next_task)
end
end