gl/includes/db/gl_db_banking.inc

   1 <?php
   2 /**********************************************************************
   3     Copyright (C) FrontAccounting, LLC.
   4         Released under the terms of the GNU General Public License, GPL,
   5         as published by the Free Software Foundation, either version 3
   6         of the License, or (at your option) any later version.
   7     This program is distributed in the hope that it will be useful,
   8     but WITHOUT ANY WARRANTY; without even the implied warranty of
   9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
  11 ***********************************************************************/
  12 function add_exchange_variation($trans_no, $date_, $acc_id, $account,
  13     $currency, $person_type_id=null, $person_id = "")
  14 {
  15         if (is_company_currency($currency))
  16                 return false;
  17         if ($date_ == null)
  18                 $date_ = Today();
  19         $for_amount = 0;
  20
  21         // We have to calculate all the currency accounts belonging to the GL account
  22         // upto $date_ and calculate with the exchange rates. And then compare with the GL account balance.
  23         $sql = "SELECT SUM(bt.amount) AS for_amount, ba.bank_curr_code
  24                 FROM ".TB_PREF."bank_trans bt, ".TB_PREF."bank_accounts ba
  25                 WHERE ba.id = bt.bank_act AND ba.account_code = ".db_escape($account)." AND bt.trans_date<='".date2sql($date_)."'
  26                 GROUP BY ba.bank_curr_code";
  27         $result = db_query($sql, "Transactions for bank account $acc_id could not be calculated");
  28         while ($row = db_fetch($result))
  29         {
  30                 if ($row['for_amount'] == 0)
  31                         continue;
  32                 $rate = get_exchange_rate_from_home_currency($row['bank_curr_code'], $date_);
  33                 $for_amount += round2($row['for_amount'] * $rate, user_price_dec());
  34         }
  35         $amount = get_gl_trans_from_to("", $date_, $account);
  36         $diff = $amount - $for_amount;
  37         if (floatcmp($diff,0))
  38         {
  39                 // generate journal entry // FIXME: use cart?
  40                 global $Refs;
  41
  42                 begin_transaction();
  43                 $trans_no = get_next_trans_no(ST_JOURNAL);
  44                 $ref = $Refs->get_next(ST_JOURNAL);
  45
  46                 add_journal(ST_JOURNAL, $trans_no, $diff, $date_ , get_company_currency(), $ref, '', 1, $date_, $date_);
  47                 $Refs->save(ST_JOURNAL, $trans_no, $ref);
  48                 add_audit_trail(ST_JOURNAL, $trans_no, $date_);
  49
  50                 if ($person_type_id == null)
  51                         $person_type_id = PT_MISC;
  52                 add_gl_trans(ST_JOURNAL, $trans_no, $date_, $account, 0, 0, _("Exchange Variance"),
  53                 $diff, null, $person_type_id, $person_id);
  54
  55         add_gl_trans(ST_JOURNAL, $trans_no, $date_, get_company_pref('exchange_diff_act'), 0, 0,
  56                 _("Exchange Variance"), -$diff, null, $person_type_id, $person_id);
  57                 commit_transaction();
  58                 return true;
  59         }
  60         return false;
  61 }
  62
  63 function add_cust_supp_revaluation($ledger_act, $ex_act, $date, $amount, $person_type_id, $person_id, $memo)
  64 {
  65         global $Refs;
  66         if ($amount == 0)
  67                 return;
  68
  69         begin_transaction();
  70         $trans_no = get_next_trans_no(ST_JOURNAL);
  71         $ref = $Refs->get_next(ST_JOURNAL);
  72
  73         add_journal(ST_JOURNAL, $trans_no, $amount, $date, get_company_currency(), $ref, '', 1, $date, $date);
  74         $Refs->save(ST_JOURNAL, $trans_no, $ref);
  75         add_audit_trail(ST_JOURNAL, $trans_no, $date);
  76
  77         add_gl_trans(ST_JOURNAL, $trans_no, $date, $ledger_act, 0, 0, _("Exchange Variance"),
  78                 $amount, null, $person_type_id, $person_id);
  79         add_gl_trans(ST_JOURNAL, $trans_no, $date, $ex_act, 0, 0,
  80                 _("Exchange Variance"), -$amount, null, $person_type_id, $person_id);
  81         add_comments(ST_JOURNAL, $trans_no, $date, $memo);
  82         commit_transaction();
  83 }
  84
  85 function get_cust_account_curr_balances($date)
  86 {
  87         $to = date2sql($date);
  88
  89     $sql = "SELECT SUM(IF(t.type IN(". implode(',', array(ST_CUSTCREDIT, ST_CUSTPAYMENT, ST_BANKDEPOSIT, ST_JOURNAL))."),
  90                         -(t.ov_amount + t.ov_gst + t.ov_freight + t.ov_freight_tax + t.ov_discount),
  91                 (t.ov_amount + t.ov_gst + t.ov_freight + t.ov_freight_tax + t.ov_discount))) AS amount,
  92                 dt.debtor_no, dt.name, dt.curr_code, b.receivables_account
  93                 FROM ".TB_PREF."debtor_trans t
  94                         LEFT JOIN ".TB_PREF."debtors_master dt ON t.debtor_no = dt.debtor_no
  95                         LEFT JOIN ".TB_PREF."cust_branch b ON t.debtor_no = b.debtor_no
  96                         LEFT JOIN ".TB_PREF."voided as v ON v.type = t.type and v.id=t.trans_no
  97         WHERE ISNULL(v.date_) AND t.type <> ".ST_CUSTDELIVERY." AND t.tran_date <= '$to'
  98                 AND t.branch_code=b.branch_code AND dt.curr_code<>'".get_company_pref('curr_default')."'
  99                 GROUP BY t.debtor_no, b.receivables_account";
 100
 101     $result = db_query($sql,"Open balances in foreign currency for cannot be retrieved");
 102         return  $result;
 103 }
 104
 105 function get_supp_account_curr_balances($date)
 106 {
 107         $to = date2sql($date);
 108
 109     $sql = "SELECT SUM(-(t.ov_amount + t.ov_gst + t.ov_discount)) AS amount,
 110                 supp.supplier_id, supp.supp_name, supp.curr_code, supp.payable_account
 111                 FROM ".TB_PREF."supp_trans t
 112                         LEFT JOIN ".TB_PREF."suppliers supp ON t.supplier_id = supp.supplier_id
 113                         LEFT JOIN ".TB_PREF."voided as v ON v.type = t.type and v.id=t.trans_no
 114         WHERE ISNULL(v.date_) AND t.tran_date <= '$to'
 115                 AND supp.curr_code<>'".get_company_pref('curr_default')."'
 116                 GROUP BY t.supplier_id";
 117
 118     $result = db_query($sql,"Open balances in foreign currency for cannot be retrieved");
 119         return  $result;
 120 }
 121
 122 function get_account_home_balance($person_id, $person_type, $rec_account, $to_date)
 123 {
 124         $to = date2sql($to_date);
 125
 126     $sql = "SELECT SUM(amount) FROM ".TB_PREF."gl_trans
 127                         WHERE person_id=".db_escape($person_id)." AND account='$rec_account'
 128                         AND person_type_id=$person_type AND tran_date <= '$to'";
 129         $result = db_query($sql, "The AR/AP balance for customer $person_id could not be calculated");
 130         $row = db_fetch_row($result);
 131         return $row[0];
 132 }
 133 //------------- New helper functions for revaluation of customer/supplier currencies 2011-05-08 Joe Hunt.
 134
 135 function add_exchange_variation_all($date=null, $ref="", $memo)
 136 {
 137         global $Refs;
 138         begin_transaction();
 139         $exchanged = false;
 140         $trans_no = get_next_trans_no(ST_JOURNAL);
 141         $sql = "SELECT * FROM ".TB_PREF."bank_accounts";
 142         $result = db_query($sql, "could not retreive bank accounts");
 143         while ($myrow = db_fetch($result))
 144         {
 145                 if (add_exchange_variation($trans_no, $date, $myrow['id'], $myrow['account_code'],
 146                         $myrow['bank_curr_code']))
 147                         $exchanged = true;
 148         }
 149         if ($exchanged)
 150         {
 151                 add_comments(ST_JOURNAL, $trans_no, $date, $memo);
 152                 if ($ref == "")
 153                         $ref = $Refs->get_next(ST_JOURNAL, null, $date);
 154                 $Refs->save(ST_JOURNAL, $trans_no, $ref);
 155                 add_audit_trail(ST_JOURNAL, $trans_no, $date);
 156         }
 157
 158         //------------- BEGIN inserted for revaluation of customer/supplier currencies 2011-05-08 Joe Hunt.
 159         if ($date == null)
 160                 $date = Today();
 161         $exchange_act = get_company_pref('exchange_diff_act');
 162         $je = 0;
 163         // debtors
 164         $res = get_cust_account_curr_balances($date);
 165
 166         while($row = db_fetch($res))
 167         {
 168                 $exrate = get_exchange_rate_from_home_currency($row['curr_code'], $date);
 169                 $foreign = round2($row['amount']*$exrate, user_price_dec());
 170                 $home = round2(get_account_home_balance($row['debtor_no'], PT_CUSTOMER, $row['receivables_account'], $date), user_price_dec());
 171                 if ($foreign != $home)
 172                 {
 173                         $amount = $foreign - $home;
 174                         add_cust_supp_revaluation($row['receivables_account'], $exchange_act, $date, $amount, PT_CUSTOMER,
 175                                 $row['debtor_no'], $memo);
 176                         $je++;
 177                 }
 178         }
 179         // creditors
 180         $res = get_supp_account_curr_balances($date);
 181
 182         while($row = db_fetch($res))
 183         {
 184                 $exrate = get_exchange_rate_from_home_currency($row['curr_code'], $date);
 185                 $foreign = round2($row['amount']*$exrate, user_price_dec());
 186                 $home = round2(get_account_home_balance($row['supplier_id'], PT_SUPPLIER, $row['payable_account'], $date), user_price_dec());
 187                 if ($foreign != $home)
 188                 {
 189                         $amount = $foreign - $home;
 190                         add_cust_supp_revaluation($row['payable_account'], $exchange_act, $date, $amount, PT_SUPPLIER,
 191                                 $row['supplier_id'], $memo);
 192                         $je++;
 193                 }
 194         }
 195         //------------- END
 196
 197         commit_transaction();
 198         return array(($exchanged ? $trans_no : 0), $je);
 199 }
 200 //----------------------------------------------------------------------------------
 201 //      Add bank tranfer to database.
 202 //
 203 //      $from_account - source bank account id
 204 //      $to_account   - target bank account id
 205 //
 206
 207 function add_bank_transfer($from_account, $to_account, $date_,
 208         $amount, $ref, $memo_, $charge=0, $target_amount=0)
 209 {
 210         global $Refs, $SysPrefs;
 211
 212         begin_transaction();
 213         $args = func_get_args(); if (count($args) < 8) $args[] = 0;
 214         $args = (object)array_combine(array('from_account', 'to_account', 'date_', 'amount',
 215                 'ref', 'memo_', 'charge', 'target_amount'), $args);
 216         $args->trans_no = 0;
 217         hook_db_prewrite($args, ST_BANKTRANSFER);
 218
 219         $trans_type = ST_BANKTRANSFER;
 220
 221         $currency = get_bank_account_currency($from_account);
 222
 223         $trans_no = get_next_trans_no($trans_type);
 224
 225     $fromact = get_bank_account($from_account);
 226     $toact = get_bank_account($to_account);
 227     $person_id = _("From")." ".$fromact['bank_account_name']." "._("To")." ".$toact['bank_account_name'];
 228
 229         $from_gl_account = get_bank_gl_account($from_account);
 230         $to_gl_account = get_bank_gl_account($to_account);
 231
 232         $exchanged = false;
 233         $total = 0;
 234         // do the source account postings
 235     $total += add_gl_trans($trans_type, $trans_no, $date_, $from_gl_account, 0, 0, $person_id,
 236                 -($amount + $charge), $currency);
 237
 238     add_bank_trans($trans_type, $trans_no, $from_account, $ref,
 239                 $date_, -($amount + $charge),
 240                 PT_MISC, $person_id, $currency,
 241                 "Cannot insert a source bank transaction");
 242         if ($SysPrefs->auto_currency_revaluation())
 243         {
 244                 $trans_no1 = get_next_trans_no(ST_JOURNAL);
 245                 if (add_exchange_variation($trans_no1, $date_, $from_account, $from_gl_account,
 246                         $currency, PT_MISC, $person_id))
 247                         $exchanged = true;
 248         }
 249         if ($charge != 0)
 250         {
 251                 /* Now Debit bank charge account with charges */
 252                 $charge_act = get_bank_charge_account($from_account);
 253                 $total += add_gl_trans($trans_type, $trans_no, $date_,
 254                         $charge_act, 0, 0, $person_id, $charge, $currency);
 255         }
 256
 257         // provide backward compatibility for extension modules (target amount can be not passed)
 258         $to_currency = $target_amount ? $toact['bank_curr_code'] : $currency;
 259         $to_amount = $target_amount ? $target_amount : $amount;
 260
 261         // do the destination account postings
 262         $total += add_gl_trans($trans_type, $trans_no, $date_, $to_gl_account, 0, 0, $person_id,
 263                 $to_amount, $to_currency);
 264
 265         /*Post a balance post if $total != 0 */
 266         if ($currency == $to_currency)
 267                 add_gl_balance($trans_type, $trans_no, $date_, -$total);
 268         else    // in this case those are exchange variances between bank and home rates
 269                 add_gl_trans($trans_type, $trans_no, $date_, get_company_pref('exchange_diff_act'),
 270                         0, 0, _("Exchange Variance"), -$total);
 271
 272         add_bank_trans($trans_type, $trans_no, $to_account, $ref,
 273                 $date_, $to_amount, PT_MISC, $person_id,
 274                 $to_currency, "Cannot insert a destination bank transaction");
 275
 276         if ($SysPrefs->auto_currency_revaluation())
 277         {
 278                 $currency = get_bank_account_currency($to_account);
 279                 if (add_exchange_variation($trans_no1, $date_, $to_account, $to_gl_account,
 280                         $currency, PT_MISC, $person_id))
 281                         $exchanged = true;
 282         }
 283         if ($exchanged == true)
 284         {
 285                 $ref1 = $Refs->get_next(ST_JOURNAL, null, $date_);
 286                 $Refs->save(ST_JOURNAL, $trans_no1, $ref1);
 287                 add_audit_trail(ST_JOURNAL, $trans_no1, $date_);
 288         }
 289         add_comments($trans_type, $trans_no, $date_, $memo_);
 290
 291         $Refs->save($trans_type, $trans_no, $ref);
 292         add_audit_trail($trans_type, $trans_no, $date_);
 293
 294         $args->trans_no = $trans_no;
 295         hook_db_postwrite($args, ST_BANKTRANSFER);
 296         commit_transaction();
 297
 298         return $trans_no;
 299 }
 300
 301 function check_bank_transfer($trans_no, $from_account, $to_account, $date_,
 302     $amount, $target_amount=0)
 303 {
 304         $dbResult = get_bank_trans(ST_BANKTRANSFER, $trans_no);
 305
 306         $old_from = db_fetch($dbResult);
 307         $old_to = db_fetch($dbResult);
 308         if ($old_to['amount'] < 0.0) {
 309                 $tmp = $old_from;
 310                 $old_from = $old_to;
 311                 $old_to = $tmp;
 312         }
 313         // There are four accounts to consider:
 314         // 1) The original from account that is being voided. This results in funds being put back which is always fine.
 315         // 2) The original to account that is being voided. This results in funds being removed which may result in a
 316         //    negative balance in the account at some time and therefore needs to be checked.
 317         $problemTransaction = check_bank_account_history(-$old_to['amount'], $old_to['bank_act'], sql2date($old_from['trans_date']));
 318         if ($problemTransaction) {
 319                 // If the destination account is the same as that being edited, it may be that this edit will resolve the
 320                 // problem of voiding.
 321                 if ($to_account == $old_to['bank_act'] && sql_date_comp($problemTransaction['trans_date'], date2sql($date_)) > 0) {
 322                         $problemTransaction['amount'] += $amount;
 323                         if ($problemTransaction['amount'] >= 0) {
 324                                 $problemTransaction = null;
 325                         }
 326                 }
 327                 if ($problemTransaction != null) {
 328                         $problemTransaction['account'] = $old_to['bank_act'];
 329                         $problemTransaction['bank_account_name'] = $old_to['bank_account_name'];
 330                         return $problemTransaction;
 331                 }
 332         }
 333
 334         // 3) The edited from account, that is having funds removed which may result in a
 335         //    negative balance in the account at some time and therefore needs to be checked.
 336         $balance_offset = 0;
 337         if ($from_account == $old_from['bank_act'] && sql_date_comp(date2sql($date_), $old_from['trans_date']) >= 0) {
 338                 // If the edited from_account is the same as the original transaction, and the new date is later than the old date
 339                 // then add the amount from the original from transaction when checking the history to simulate the void that would
 340                 // take effect from that date.
 341                 $balance_offset = -$old_from['amount'];
 342         }
 343         $problemTransaction = check_bank_account_history(-$amount, $from_account, $date_, null, $balance_offset);
 344         if ($problemTransaction != null) {
 345                 $problemTransaction['account'] = $old_from['bank_act'];
 346                 $problemTransaction['bank_account_name'] = $old_from['bank_account_name'];
 347                 return $problemTransaction;
 348         }
 349         // 4) The edited to account, that is having funds added which is always ok.
 350
 351         return $problemTransaction;
 352 }
 353
 354 function update_bank_transfer(
 355         $trans_no, $from_account, $to_account, $date_,
 356         $amount, $ref, $memo_, $charge=0, $target_amount=0)
 357 {
 358         begin_transaction();
 359         delete_comments(ST_BANKTRANSFER, $trans_no);
 360         void_transaction(ST_BANKTRANSFER, $trans_no, Today(), _("Document reentered."));
 361         void_gl_trans(ST_BANKTRANSFER, $trans_no, true);
 362         $new_trans_no = add_bank_transfer(
 363                 $from_account, $to_account, $date_, $amount,
 364                 $ref, $memo_, $charge, $target_amount
 365         );
 366         commit_transaction();
 367         return $new_trans_no;
 368 }
 369
 370 //----------------------------------------------------------------------------------
 371 //      Add bank payment or deposit to database.
 372 //
 373 //      $from_account - bank account id
 374 //  $items - transaction cart (line amounts in bank account's currency); negative for deposit
 375 //  $person_type_id - defines type of $person_id identifiers
 376 //  $person_id  - supplier/customer/other id
 377 //  $person_detail_id - customer branch id or not used
 378 //  $settled_amount - settled amount in AR/AP (if applicable) in customer/supplier currency (always non-negative number)
 379 //
 380 // returns an array of (inserted trans type, trans no)
 381 //
 382 // FIXME -revise code for update case
 383 //
 384 function write_bank_transaction($trans_type, $trans_no, $from_account, $items, $date_,
 385         $person_type_id, $person_id, $person_detail_id, $ref, $memo_, $use_transaction=true, $settled_amount=null)
 386 {
 387         global $Refs, $SysPrefs;
 388
 389         // we can only handle type 1 (payment)and type 2 (deposit)
 390         if ($trans_type != ST_BANKPAYMENT && $trans_type != ST_BANKDEPOSIT)
 391                 display_db_error("Invalid type ($trans_type) sent to add_bank_transaction");
 392
 393         $do_exchange_variance = false;
 394         $exchanged = false;
 395         if ($use_transaction)
 396                 begin_transaction();
 397
 398         $args = func_get_args(); if (count($args) < 11) $args[] = true;
 399         $args = (object)array_combine(array('trans_type', 'trans_no', 'from_account', 'items', 'date_',
 400                 'person_type_id', 'person_id', 'person_detail_id', 'ref', 'memo_', 'use_transaction', 'settled_amount'),
 401                 $args);
 402         hook_db_prewrite($args, $trans_type);
 403
 404         $aid = 0;
 405         if ($trans_no) {
 406                 $old_trans = $trans_no;
 407                 $Refs->restore_last($trans_type, $trans_no);
 408                 $aid = has_attachment($trans_type, $trans_no);
 409         } else
 410                 $old_trans = false;
 411
 412         $currency = get_bank_account_currency($from_account);
 413         $bank_gl_account = get_bank_gl_account($from_account);
 414
 415         // the gl items are already inversed/negated for type 2 (deposit)
 416         $total_amount = $items->gl_items_total();
 417
 418     if ($person_type_id == PT_CUSTOMER)
 419     {
 420         // we need to add a customer transaction record
 421                 // convert to customer currency
 422                 if (!isset($settled_amount)) // leaved for backward/ext compatibility
 423                         $cust_amount = exchange_from_to(abs($total_amount), $currency, get_customer_currency($person_id), $date_);
 424                 else
 425                         $cust_amount = $settled_amount;
 426
 427                 if ($trans_type == ST_BANKPAYMENT)
 428                         $cust_amount = -$cust_amount;
 429
 430                 $trans_no = write_customer_trans($trans_type, 0, $person_id, $person_detail_id, $date_,
 431                 $ref, $cust_amount);
 432                 if ($old_trans)
 433                         move_trans_attachments($trans_type, $old_trans, $trans_no);
 434     }
 435     elseif ($person_type_id == PT_SUPPLIER)
 436     {
 437         // we need to add a supplier transaction record
 438                 // convert to supp currency
 439                 if (!isset($settled_amount)) // leaved for for backward/ext compatibility
 440                         $supp_amount = exchange_from_to(abs($total_amount), $currency, get_supplier_currency($person_id), $date_);
 441                 else
 442                         $supp_amount = $settled_amount;
 443
 444                 if ($trans_type == ST_BANKPAYMENT)
 445                         $supp_amount = -$supp_amount;
 446
 447                 $trans_no = write_supp_trans($trans_type, 0, $person_id, $date_, '',
 448                         $ref, "", $supp_amount, 0, 0);
 449                 if ($old_trans)
 450                         move_trans_attachments($trans_type, $old_trans, $trans_no);
 451     }
 452     else
 453     {
 454                 $trans_no = get_next_trans_no($trans_type);
 455         $do_exchange_variance = $SysPrefs->auto_currency_revaluation();
 456         if ($do_exchange_variance)
 457                 $trans_no1 = get_next_trans_no(ST_JOURNAL);
 458     }
 459         if ($aid != 0)
 460         {
 461                 $row = get_attachment($aid);
 462                 update_attachment($aid, $row['type_no'], $trans_no, $row['description'],
 463                         $row['filename'], $row['unique_name'], $row['filesize'], $row['filetype']);
 464         }
 465         // do the source account postings
 466
 467     add_bank_trans($trans_type, $trans_no, $from_account, $ref,
 468         $date_, -$total_amount,
 469         $person_type_id, $person_id,
 470         $currency,
 471         "Cannot insert a source bank transaction");
 472         $total = 0;
 473         foreach ($items->gl_items as $gl_item)
 474         {
 475                 $is_bank_to = is_bank_account($gl_item->code_id);
 476
 477                 if ($trans_type == ST_BANKPAYMENT AND $is_bank_to)
 478                 {
 479                         // we don't allow payments to go to a bank account. use transfer for this !
 480                         display_db_error("invalid payment entered. Cannot pay to another bank account", "");
 481                 }
 482
 483         // do the destination account postings
 484         $total += add_gl_trans($trans_type, $trans_no, $date_, $gl_item->code_id,
 485                 $gl_item->dimension_id, $gl_item->dimension2_id, $gl_item->reference,
 486                 $gl_item->amount, $currency, $person_type_id, $person_id);
 487
 488         if ($is_bank_to)
 489         {
 490                 add_bank_trans($trans_type, $trans_no, $is_bank_to, $ref,
 491                         $date_, $gl_item->amount,
 492                         $person_type_id, $person_id, $currency,
 493                         "Cannot insert a destination bank transaction");
 494                 if ($do_exchange_variance)
 495                 {
 496                         add_exchange_variation($trans_no1, $date_, $is_bank_to, $gl_item->code_id,
 497                                 $currency, $person_type_id, $person_id);
 498                 }
 499         }
 500                 // store tax details if the gl account is a tax account
 501
 502                 $amount = $gl_item->amount;
 503                 $ex_rate = get_exchange_rate_from_home_currency($currency, $date_);
 504
 505                 add_gl_tax_details($gl_item->code_id, $trans_type, $trans_no, -$amount,
 506                         $ex_rate, $date_, $memo_);
 507         }
 508
 509         // do the source account postings
 510     add_gl_trans($trans_type, $trans_no, $date_, $bank_gl_account, 0, 0, $memo_,
 511         -$total, null, $person_type_id, $person_id);
 512
 513     if ($do_exchange_variance)
 514     {
 515         if ($exchanged || add_exchange_variation($trans_no1, $date_, $from_account, $bank_gl_account,
 516                 $currency, $person_type_id, $person_id))
 517         {
 518                         $ref1 = $Refs->get_next(ST_JOURNAL, null, $date_);
 519                         $Refs->save(ST_JOURNAL, $trans_no1, $ref1);
 520                         add_audit_trail(ST_JOURNAL, $trans_no1, $date_);
 521                 }
 522         }
 523
 524         add_comments($trans_type, $trans_no, $date_, $memo_);
 525
 526         $Refs->save($trans_type, $trans_no, $ref);
 527         add_audit_trail($trans_type, $trans_no, $date_);
 528
 529         // old transaction can be voided only after new transaction is entered,
 530         //  otherwise the operation could fail for cash accounts due to temporary negative balance
 531         if ($old_trans)
 532         {
 533                 $msg = void_transaction($trans_type, $old_trans, Today(), _("Document reentered."));
 534                 if ($msg)
 535                 {
 536                         display_error($msg);
 537                         return false;
 538                 }
 539         }
 540
 541
 542         $args->trans_no = $trans_no;
 543         hook_db_postwrite($args, $trans_type);
 544         if ($use_transaction)
 545                 commit_transaction();
 546
 547         return array($trans_type, $trans_no);
 548 }