I have big search method in my model that corresponds to search a proper Car.
It looks like this:
def self.search(params)
cars = joins(:reservations).where.not("reservations.reception_time <= ? AND reservations.return_time >= ?",
params[:return_date], params[:handover_date])
cars = joins(:car_class).where("car_classes.id= ?", params[:car_class])
cars = cars_at_both_locations(params[:handover_location], params[:return_location])
cars = params[:car_body_style] == [""] ? cars : joins(:car_configuration).
where("car_configurations.body_style_id = ?", params[:car_body_style])
cars = params[:car_fuel] == [""] ? cars : where(fuel: params[:car_fuel])
cars = params[:car_transmission] == [""] ? cars : where(transmission: params[:car_transmission])
cars = params [:car_seats] == [""] ? cars : car_seats(params[:car_seats])
cars = Car.joins(:prices).where('prices.to_days >= ?',
(Date.parse(params[:return_date]) - Date.parse(params[:handover_date])).to_i)
end
It is very unreadable now.
Does anyone have an idea how to refactor this method to be more readable?