0004468: Cannot modify a funds transfer twice. Fixed by Braathwaate.
[fa-stable.git] / gl / includes / db / gl_db_banking.inc
index e6d65d92d79af69f56869e2b806c9b182de42700..82776de14d8799059dc846d99cdc6473408c77e4 100644 (file)
@@ -20,7 +20,6 @@ function add_exchange_variation($trans_no, $date_, $acc_id, $account,
 
        // We have to calculate all the currency accounts belonging to the GL account
        // upto $date_ and calculate with the exchange rates. And then compare with the GL account balance.
-       // 2010-02-23 Joe Hunt with help of Ary Wibowo
        $sql = "SELECT SUM(bt.amount) AS for_amount, ba.bank_curr_code          
                FROM ".TB_PREF."bank_trans bt, ".TB_PREF."bank_accounts ba
                WHERE ba.id = bt.bank_act AND ba.account_code = ".db_escape($account)." AND bt.trans_date<='".date2sql($date_)."'
@@ -37,41 +36,57 @@ function add_exchange_variation($trans_no, $date_, $acc_id, $account,
        $diff = $amount - $for_amount;
        if (floatcmp($diff,0))
        {
-               if ($trans_no == null)
-                       $trans_no = get_next_trans_no(ST_JOURNAL);
+               // generate journal entry // FIXME: use cart?
+               global $Refs;
+
+               begin_transaction();
+               $trans_no = get_next_trans_no(ST_JOURNAL);
+               $ref = $Refs->get_next(ST_JOURNAL);
+
+               add_journal(ST_JOURNAL, $trans_no, $diff, $date_ , get_company_currency(), $ref, '', 1, $date_, $date_);
+               $Refs->save(ST_JOURNAL, $trans_no, $ref);
+               add_audit_trail(ST_JOURNAL, $trans_no, $date_);
+
                if ($person_type_id == null)
                        $person_type_id = PT_MISC;
                add_gl_trans(ST_JOURNAL, $trans_no, $date_, $account, 0, 0, _("Exchange Variance"),
-               -$diff, null, $person_type_id, $person_id);
+               $diff, null, $person_type_id, $person_id);
+
        add_gl_trans(ST_JOURNAL, $trans_no, $date_, get_company_pref('exchange_diff_act'), 0, 0, 
-               _("Exchange Variance"), $diff, null, $person_type_id, $person_id);
+               _("Exchange Variance"), -$diff, null, $person_type_id, $person_id);
+               commit_transaction();
                return true;
        }
        return false;
 }
 
-//------------- New helper functions for revaluation of customer/supplier currencies 2011-05-08 Joe Hunt.
 function add_cust_supp_revaluation($ledger_act, $ex_act, $date, $amount, $person_type_id, $person_id, $memo)
 {
        global $Refs;
        if ($amount == 0)
                return;
+
+       begin_transaction();
        $trans_no = get_next_trans_no(ST_JOURNAL);
+       $ref = $Refs->get_next(ST_JOURNAL);
+
+       add_journal(ST_JOURNAL, $trans_no, $amount, $date, get_company_currency(), $ref, '', 1, $date, $date);
+       $Refs->save(ST_JOURNAL, $trans_no, $ref);
+       add_audit_trail(ST_JOURNAL, $trans_no, $date);
+
        add_gl_trans(ST_JOURNAL, $trans_no, $date, $ledger_act, 0, 0, _("Exchange Variance"),
                $amount, null, $person_type_id, $person_id);
        add_gl_trans(ST_JOURNAL, $trans_no, $date, $ex_act, 0, 0, 
                _("Exchange Variance"), -$amount, null, $person_type_id, $person_id);
        add_comments(ST_JOURNAL, $trans_no, $date, $memo);
-       $ref = $Refs->get_next(ST_JOURNAL);
-       $Refs->save(ST_JOURNAL, $trans_no, $ref);
-       add_audit_trail(ST_JOURNAL, $trans_no, $date);
+       commit_transaction();
 }
 
 function get_cust_account_curr_balances($date)
 {
        $to = date2sql($date);
 
-    $sql = "SELECT SUM(IF(t.type =".ST_CUSTCREDIT." OR t.type = ".ST_CUSTPAYMENT." OR t.type = ".ST_BANKDEPOSIT.",
+    $sql = "SELECT SUM(IF(t.type IN(". implode(',', array(ST_CUSTCREDIT, ST_CUSTPAYMENT, ST_BANKDEPOSIT, ST_JOURNAL))."),
                        -(t.ov_amount + t.ov_gst + t.ov_freight + t.ov_freight_tax + t.ov_discount), 
                (t.ov_amount + t.ov_gst + t.ov_freight + t.ov_freight_tax + t.ov_discount))) AS amount,
                dt.debtor_no, dt.name, dt.curr_code, b.receivables_account
@@ -117,7 +132,6 @@ function get_account_home_balance($person_id, $person_type, $rec_account, $to_da
 }
 //------------- New helper functions for revaluation of customer/supplier currencies 2011-05-08 Joe Hunt.
 
-
 function add_exchange_variation_all($date=null, $ref="", $memo)
 {
        global $Refs;
@@ -136,7 +150,7 @@ function add_exchange_variation_all($date=null, $ref="", $memo)
        {
                add_comments(ST_JOURNAL, $trans_no, $date, $memo);
                if ($ref == "")
-                       $ref = $Refs->get_next(ST_JOURNAL);
+                       $ref = $Refs->get_next(ST_JOURNAL, null, $date);
                $Refs->save(ST_JOURNAL, $trans_no, $ref);
                add_audit_trail(ST_JOURNAL, $trans_no, $date);
        }       
@@ -179,7 +193,7 @@ function add_exchange_variation_all($date=null, $ref="", $memo)
                }
        }
        //------------- END
-               
+
        commit_transaction();
        return array(($exchanged ? $trans_no : 0), $je);
 }
@@ -194,7 +208,7 @@ function add_bank_transfer($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;
        $args = (object)array_combine(array('from_account', 'to_account', 'date_', 'amount',
@@ -235,7 +249,7 @@ function add_bank_transfer($from_account, $to_account, $date_,
        if ($charge != 0)
        {
                /* Now Debit bank charge account with charges */
-               $charge_act = get_company_pref('bank_charge_act');
+               $charge_act = get_bank_charge_account($from_account);
                $total += add_gl_trans($trans_type, $trans_no, $date_,
                        $charge_act, 0, 0, $person_id, $charge, $currency);
        }
@@ -262,14 +276,13 @@ function add_bank_transfer($from_account, $to_account, $date_,
        if ($SysPrefs->auto_currency_revaluation())
        {
                $currency = get_bank_account_currency($to_account);
-       
                if (add_exchange_variation($trans_no1, $date_, $to_account, $to_gl_account,     
                        $currency, PT_MISC, $person_id))
                        $exchanged = true;
        }
        if ($exchanged == true)
        {
-               $ref1 = $Refs->get_next(ST_JOURNAL);
+               $ref1 = $Refs->get_next(ST_JOURNAL, null, $date_);
                $Refs->save(ST_JOURNAL, $trans_no1, $ref1);
                add_audit_trail(ST_JOURNAL, $trans_no1, $date_);
        }
@@ -284,6 +297,76 @@ function add_bank_transfer($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);
+
+       $old_from = db_fetch($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_from['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['amount'] += $amount;
+                       if ($problemTransaction['amount'] >= 0) {
+                               $problemTransaction = null;
+                       }
+               }
+               if ($problemTransaction != null) {
+                       $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.
+       $balance_offset = 0;
+       if ($from_account == $old_from['bank_act'] && sql_date_comp(date2sql($date_), $old_from['trans_date']) >= 0) {
+               // If the edited from_account is the same as the original transaction, and the new date is later than the old date
+               // then add the amount from the original from transaction when checking the history to simulate the void that would
+               // take effect from that date.
+               $balance_offset = -$old_from['amount'];
+       }
+       $problemTransaction = check_bank_account_history(-$amount, $from_account, $date_, null, $balance_offset);
+       if ($problemTransaction != null) {
+               $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_transaction(ST_BANKTRANSFER, $trans_no, Today(), _("Document reentered."));
+       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 $new_trans_no;
+}
+
 //----------------------------------------------------------------------------------
 //     Add bank payment or deposit to database.
 //
@@ -317,12 +400,14 @@ function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $
                'person_type_id', 'person_id', 'person_detail_id', 'ref', 'memo_', 'use_transaction', 'settled_amount'),
                $args);
        hook_db_prewrite($args, $trans_type);
+
        $aid = 0;
        if ($trans_no) {
                $old_trans = $trans_no;
                $Refs->restore_last($trans_type, $trans_no);
                $aid = has_attachment($trans_type, $trans_no);
-       }
+       } else
+               $old_trans = false;
 
        $currency = get_bank_account_currency($from_account);
        $bank_gl_account = get_bank_gl_account($from_account);
@@ -344,7 +429,8 @@ function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $
 
                $trans_no = write_customer_trans($trans_type, 0, $person_id, $person_detail_id, $date_,
                $ref, $cust_amount);
-
+               if ($old_trans)
+                       move_trans_attachments($trans_type, $old_trans, $trans_no);
     }
     elseif ($person_type_id == PT_SUPPLIER)
     {
@@ -360,7 +446,8 @@ function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $
 
                $trans_no = write_supp_trans($trans_type, 0, $person_id, $date_, '',
                        $ref, "", $supp_amount, 0, 0);
-
+               if ($old_trans)
+                       move_trans_attachments($trans_type, $old_trans, $trans_no);
     }
     else
     {
@@ -428,7 +515,7 @@ function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $
        if ($exchanged || add_exchange_variation($trans_no1, $date_, $from_account, $bank_gl_account, 
                $currency, $person_type_id, $person_id))
        {
-                       $ref1 = $Refs->get_next(ST_JOURNAL);
+                       $ref1 = $Refs->get_next(ST_JOURNAL, null, $date_);
                        $Refs->save(ST_JOURNAL, $trans_no1, $ref1);
                        add_audit_trail(ST_JOURNAL, $trans_no1, $date_);
                }
@@ -441,8 +528,16 @@ function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $
 
        // old transaction can be voided only after new transaction is entered,
        //  otherwise the operation could fail for cash accounts due to temporary negative balance
-       if (@$old_trans) 
-                       void_transaction($trans_type, $old_trans, Today(), _("Document reentered."));
+       if ($old_trans) 
+       {
+               $msg = void_transaction($trans_type, $old_trans, Today(), _("Document reentered."));
+               if ($msg)
+               {
+                       display_error($msg);
+                       return false;
+               }
+       }
+
 
        $args->trans_no = $trans_no;
        hook_db_postwrite($args, $trans_type);
@@ -451,5 +546,3 @@ function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $
 
        return array($trans_type, $trans_no);
 }
-
-?>
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