app/services/forest_liana/has_many_dissociator.rb
module ForestLiana
class HasManyDissociator
def initialize(resource, association, params, forest_user)
@resource = resource
@association = association
@params = params
@with_deletion = @params[:delete].to_s == 'true'
@data = params['data']
@forest_user = forest_user
end
def perform
@record = @resource.find(@params[:id])
associated_records = @resource.find(@params[:id]).send(@association.name)
remove_association = !@with_deletion || @association.macro == :has_and_belongs_to_many
if @data.is_a?(Array)
record_ids = @data.map { |record| record[:id] }
elsif @data.dig('attributes').present?
record_ids = ForestLiana::ResourcesGetter.get_ids_from_request(@params, @forest_user)
else
record_ids = Array.new
end
if !record_ids.nil? && record_ids.any?
if remove_association
record_ids.each do |id|
associated_records.delete(@association.klass.find(id))
end
end
if @with_deletion
record_ids = record_ids.select { |record_id| @association.klass.exists?(record_id) }
@association.klass.destroy(record_ids)
end
end
end
end
end