<?php
  function smarty_function_getSaleTypeCode($params)
  {
      extract($params);
      
      if($trade['revolving'] =="1")
      {
          if($trade['root_invoice_id'] == 0 AND $use_root_invoice)
          {
              return '<span style="color:#FF0000;">R</span>';
          }
          else
          {
              return 'R';    
          }
      }
      else if($trade['sales_type'] ==SALE_MANAGED_ETR && $trade['root_invoice_id'] > 0 AND $use_root_invoice)
          {
              return 'R';        
          }
          else if($trade['sales_type'] ==SALE_OUTRIGHT_ETR)
          {
              return 'O';
          }
          else if($trade['sales_type'] ==SALE_MANAGED_ETR)
          {
              return 'M';
          }
          else if($trade['sales_type'] ==SALE_INSTALMENT_ETR AND $use_instalment)
          {
              return 'I';
          }
          else
          {
              return 'P';
          }
  }
?>