+//----------------------------------------------------------------------------------
+function add_exchange_variation($trans_type, $trans_no, $date_, $account,
+ $currency, $person_type_id=null, $person_id = "")
+{
+ if (is_company_currency($currency))
+ return;
+ if ($date_ == null)
+ $date_ = Today();
+ $rate = get_exchange_rate_from_home_currency($currency, $date_);
+ $result = db_query("SELECT SUM(amount) FROM ".TB_PREF."bank_trans WHERE
+ bank_act='$account' AND trans_date<='".date2sql($date_)."'",
+ "Transactions for account $account could not be calculated");
+ $row = db_fetch_row($result);
+ $foreign_amount = $row[0];
+ $amount = get_gl_trans_from_to("", $date_, $account);
+ $diff = $amount - (round2($foreign_amount * $rate, user_price_dec()));
+ if ($diff != 0)
+ {
+ if ($trans_type == null)
+ $trans_type = systypes::journal_entry();
+ if ($trans_no == null)
+ $trans_no = get_next_trans_no($trans_type);
+ if ($person_type_id == null)
+ $person_type_id = payment_person_types::misc();
+ add_gl_trans($trans_type, $trans_no, $date_, $account, 0, 0, "",
+ -$diff, null, $person_type_id, $person_id);
+ add_gl_trans($trans_type, $trans_no, $date_, get_company_pref('exchange_diff_act'), 0, 0, "",
+ $diff, null, $person_type_id, $person_id);
+ }
+}
+
+function add_exchange_variation_all()
+{
+ $trans_no = get_next_trans_no(0);
+ $sql = "SELECT * FROM ".TB_PREF."bank_accounts";
+ $result = db_query($sql, "could not retreive bank accounts");
+ while ($myrow = db_fetch($result))
+ add_exchange_variation(0, $trans_no, null, $myrow['account_code'],
+ $myrow['currency_code']);
+}