+ def income
+ if request.post?
+ # Find all purchases between :begin_date, and :end_date and sum up the total income
+ # from RentablePurchases, MerchandisePurchases. Print both sums, and the total sum.
+ @begin_date = Date.new params[:begin_date]['(1i)'].to_i, params[:begin_date]['(2i)'].to_i, params[:begin_date]['(3i)'].to_i
+ @end_date = Date.new params[:end_date]['(1i)'].to_i, params[:end_date]['(2i)'].to_i, params[:end_date]['(3i)'].to_i
+ merchandises = MerchandisePurchase.find(:all, :conditions => ['date >= ? AND date <= ?', @begin_date, @end_date])
+ rentables = RentablePurchase.find(:all, :conditions => ['date >= ? AND date <= ?', @begin_date, @end_date])
+
+ @merch_count = merchandises.length
+ @rent_count = rentables.length
+ @merch_sum = merchandises.sum(&:price)
+ @rent_sum = rentables.sum(&:price)
+ @total = @merch_sum + @rent_sum
+ render :action => 'income_results'
+ else
+ render :action => 'income'
+ end
+ end
+