freight_estimator_pseudo.txt

product_list = list of selected products and quantities;

global_dunnage = percentage defined by admin;

fudge_factor = percentage defined by admin;

if ( total_cost meets freight override conditions ):
        return freight calculation; 
        exit; 
else:
        for each product in product_list:
                if( product has dunnage override ):
                        product_weight = weight * product_dunnage * product_quantity;
                else:
                        product_weight = weight * global_dunnage * product_quantity;

        calculate recommended boxes;
        
        UPS_options = list of options returned from UPS based on recommended boxes and calculated weights;

        for each option in UPS_options:
                if( customer has override ):
                        cost = cost - customer_percent;
                  
                if( zip code has override ):
                        cost = cost - zip_percent;

                cost = cost * fudge_factor;

        display UPS shipping options;
end-if