Registration of changes on GL tax acounts into tax_details

[fa-stable.git] / taxes / tax_calc.inc

diff --git a/taxes/tax_calc.inc b/taxes/tax_calc.inc
index acc8f0f0633d468aadd47b528f3ad2262b717bd9..a9bf26e624ba5d6913c48596b26950ab329e0914 100644 (file)
--- a/taxes/tax_calc.inc
+++ b/taxes/tax_calc.inc
@@ -214,6 +214,68 @@ function get_tax_for_items($items, $prices, $shipping_cost, $tax_group, $tax_inc
 
        return $ret_tax_array;
 }
+//
+//     Get all taxes for given tax_type_id. This can be used when 
+//     no tax group exemptions are active (local sales).
+//     To be used in quick entries.
+//
+function get_taxes_for_item_tax($tax_type_id)
+{
+       $item_tax_type = get_item_tax_type($tax_type_id);
+       
+       // if the item is exempt from all taxes then return 0
+       if ($item_tax_type["exempt"])
+               return null;
+               
+       // get the exemptions for this item tax type
+       $item_tax_type_exemptions_db = get_item_tax_type_exemptions($tax_type_id);
+       
+       // read them all into an array to minimize db querying
+       $item_tax_type_exemptions = array();
+       while ($item_tax_type_exemp = db_fetch($item_tax_type_exemptions_db))
+       {
+               $item_tax_type_exemptions[] = $item_tax_type_exemp["tax_type_id"];
+       }
+       
+       $ret_tax_array = array();
+
+       $tax_rates = get_all_tax_types_simple();
+       // if any of the taxes are in the exemptions, then skip
+       while($tax_rate = db_fetch($tax_rates)) 
+       { 
+               
+               $skip = false;                  
+               
+               // if it's in the exemptions, skip
+               foreach ($item_tax_type_exemptions as $exemption) 
+               {
+                       if (($tax_rate['id'] == $exemption)) 
+                       {
+                       $skip = true;
+                       break;
+                       }
+               }
+               
+               if (!$skip) 
+               {
+                       $index = $tax_rate['id'];
+                       $ret_tax_array[$index] = $tax_rate;
+               }
+       }
+       
+       return $ret_tax_array;
+}
 
+function is_tax_account($account_code)
+{
+       $sql= "SELECT id FROM ".TB_PREF."tax_types WHERE 
+               sales_gl_code='$account_code' OR purchasing_gl_code='$account_code'";
+       $result = db_query($sql, "checking account is tax account");
+       if (db_num_rows($result) > 0) {
+               $acct = db_fetch($result);
+               return $acct['id'];
+       } else
+               return false;
+}
 
 ?>
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