Added Bank Transfer edition.
[fa-stable.git] / gl / includes / db / gl_db_banking.inc
index 964eac0ce384556adff2f08714e0ceea5eb6a1dd..8df094b0c557f8d699ab7d4389276c0a5a0fad9e 100644 (file)
@@ -193,7 +193,7 @@ function add_bank_transfer($from_account, $to_account, $date_,
        $amount, $ref, $memo_, $charge=0, $target_amount=0)
 {
        global $Refs, $SysPrefs;
-       
+
        begin_transaction();
        $args = func_get_args(); if (count($args) < 8) $args[] = 0;
        $args = (object)array_combine(array('from_account', 'to_account', 'date_', 'amount',
@@ -282,6 +282,80 @@ function add_bank_transfer($from_account, $to_account, $date_,
 
        return $trans_no;
 }
+
+function check_bank_transfer(
+    $trans_no, $from_account, $to_account, $date_,
+    $amount, $target_amount=0)
+{
+       $dbResult = get_bank_trans(ST_BANKTRANSFER, $trans_no);
+       if (2 != db_num_rows($dbResult)) {
+               // How are errors handled? Throw an exception would be nice. CP 2014-10
+       }
+
+       $old_from = db_fetch($dbResult);
+       $old_to = db_fetch($dbResult);
+       if ($old_to['amount'] < 0.0) {
+               $tmp = $old_from;
+               $old_from = $old_to;
+               $old_to = $tmp;
+       }
+       // There are four accounts to consider:
+       // 1) The original from account that is being voided. This results in funds being put back which is always fine.
+       // 2) The original to account that is being voided. This results in funds being removed which may result in a
+       //    negative balance in the account at some time and therefore needs to be checked.
+       $problemTransaction = check_bank_account_history(-$old_to['amount'], $old_to['bank_act'], sql2date($old_to['trans_date']));
+       if ($problemTransaction) {
+               // If the destination account is the same as that being edited, it may be that this edit will resolve the
+               // problem of voiding.
+               if ($to_account == $old_to['bank_act'] && sql_date_comp($problemTransaction['trans_date'], date2sql($date_)) >= 0) {
+                       $problemTransaction = check_bank_account_history($target_amount-$old_to['amount'], $to_account, $date_);
+               }
+       }
+       if (null != $problemTransaction) {
+               $problemTransaction['account'] = $old_to['bank_act'];
+               $problemTransaction['bank_account_name'] = $old_to['bank_account_name'];
+               return $problemTransaction;
+       }
+
+       // 3) The edited from account, that is having funds removed which may result in a
+       //    negative balance in the account at some time and therefore needs to be checked.
+       $problemTransaction = check_bank_account_history(-$amount, $from_account, $date_);
+       if ($problemTransaction) {
+               // If the target account is the same as that being edited, it may be that voiding old transfer will
+               // solve balance problem.
+               //
+               if ($from_account == $old_from['bank_act'] && sql_date_comp($problemTransaction['trans_date'], $old_from['trans_date']) >=0 ) {
+                       $problemTransaction = check_bank_account_history(-$amount-$old_from['amount'], $from_account, $date_);
+               }
+       }
+
+       if (null != $problemTransaction) {
+               $problemTransaction['account'] = $old_from['bank_act'];
+               $problemTransaction['bank_account_name'] = $old_from['bank_account_name'];
+               return $problemTransaction;
+       }
+       // 4) The edited to account, that is having funds added which is always ok.
+
+       return $problemTransaction;
+
+}
+
+function update_bank_transfer(
+       $trans_no, $from_account, $to_account, $date_,
+       $amount, $ref, $memo_, $charge=0, $target_amount=0)
+{
+       begin_transaction();
+       delete_comments(ST_BANKTRANSFER, $trans_no);
+       void_bank_trans(ST_BANKTRANSFER, $trans_no, true);
+       void_gl_trans(ST_BANKTRANSFER, $trans_no, true);
+       $new_trans_no = add_bank_transfer(
+               $from_account, $to_account, $date_, $amount,
+               $ref, $memo_, $charge, $target_amount
+       );
+       commit_transaction();
+       return $new_trans_no;
+}
+
 //----------------------------------------------------------------------------------
 //     Add bank payment or deposit to database.
 //