app/controllers/api/v1/ads/instruments_controller.rb
class Api::V1::Ads::InstrumentsController < Api::V1::ApiController
before_action :set_resource, only: [:destroy]
# DELETE /api/v1/ads/:ad_id/instruments/:instrument_id
def destroy
destroy_and_render_json(@ad_instrument)
end
private
def set_resource
@ad_instrument = AdInstrument.where(resource_params).first
render_404 unless @ad_instrument
end
def resource_params
params.permit(:ad_id, :instrument_id)
end
end