+/**********************************************************************
+ Copyright (C) FrontAccounting, LLC.
+ Released under the terms of the GNU General Public License, GPL,
+ as published by the Free Software Foundation, either version 3
+ of the License, or (at your option) any later version.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
+***********************************************************************/
+function add_exchange_variation($trans_no, $date_, $acc_id, $account,
+ $currency, $person_type_id=null, $person_id = "", $memo='')
+{
+ if (is_company_currency($currency))
+ return false;
+ if ($date_ == null)
+ $date_ = Today();
+ $for_amount = 0;
+
+ // 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.
+ $sql = "SELECT SUM(bt.amount) AS for_amount, ba.bank_curr_code
+ FROM ".TB_PREF."bank_trans bt, ".TB_PREF."bank_accounts ba
+ WHERE ba.id = bt.bank_act AND ba.account_code = ".db_escape($account)." AND bt.trans_date<='".date2sql($date_)."'
+ GROUP BY ba.bank_curr_code";
+ $result = db_query($sql, "Transactions for bank account $acc_id could not be calculated");
+ while ($row = db_fetch($result))
+ {
+ if ($row['for_amount'] == 0)
+ continue;
+ $rate = get_exchange_rate_from_home_currency($row['bank_curr_code'], $date_);
+ $for_amount += round2($row['for_amount'] * $rate, user_price_dec());
+ }
+ $amount = get_gl_trans_from_to("", $date_, $account);
+ $diff = $amount - $for_amount;
+ if (floatcmp($diff,0))
+ {
+ // generate journal entry // FIXME: use cart?
+ global $Refs;
+
+ begin_transaction();
+ $trans_no = get_next_trans_no(ST_JOURNAL);
+ $ref = $Refs->get_next(ST_JOURNAL, null, $date_);
+
+ 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);
+
+ add_gl_trans(ST_JOURNAL, $trans_no, $date_, get_company_pref('exchange_diff_act'), 0, 0,
+ _("Exchange Variance"), $diff, null, $person_type_id, $person_id);
+
+ if ($memo)
+ add_comments(ST_JOURNAL, $trans_no, $date_, $memo);
+
+ $Refs->save(ST_JOURNAL, $trans_no, $ref);
+ add_audit_trail(ST_JOURNAL, $trans_no, $date_);
+
+ commit_transaction();
+ return true;
+ }
+ return false;
+}
+
+function add_cust_supp_revaluation($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, $memo);
+ commit_transaction();
+}
+
+function get_cust_account_curr_balances($date)
+{
+ $to = date2sql($date);
+
+ $sql = "SELECT SUM(IF(t.type IN(". implode(',', array(ST_CUSTCREDIT, ST_CUSTPAYMENT, ST_BANKDEPOSIT, ST_JOURNAL))."),
+ -(t.ov_amount + t.ov_gst + t.ov_freight + t.ov_freight_tax + t.ov_discount),
+ (t.ov_amount + t.ov_gst + t.ov_freight + t.ov_freight_tax + t.ov_discount))) AS amount,
+ dt.debtor_no, dt.name, dt.curr_code, b.receivables_account
+ FROM ".TB_PREF."debtor_trans t
+ LEFT JOIN ".TB_PREF."debtors_master dt ON t.debtor_no = dt.debtor_no
+ LEFT JOIN ".TB_PREF."cust_branch b ON t.debtor_no = b.debtor_no
+ LEFT JOIN ".TB_PREF."voided as v ON v.type = t.type and v.id=t.trans_no
+ WHERE ISNULL(v.date_) AND t.type <> ".ST_CUSTDELIVERY." AND t.tran_date <= '$to'
+ AND t.branch_code=b.branch_code AND dt.curr_code<>'".get_company_pref('curr_default')."'
+ GROUP BY t.debtor_no, b.receivables_account";
+
+ $result = db_query($sql,"Open balances in foreign currency for cannot be retrieved");
+ return $result;
+}
+
+function get_supp_account_curr_balances($date)
+{
+ $to = date2sql($date);
+
+ $sql = "SELECT SUM(-(t.ov_amount + t.ov_gst + t.ov_discount)) AS amount,
+ supp.supplier_id, supp.supp_name, supp.curr_code, supp.payable_account
+ FROM ".TB_PREF."supp_trans t
+ LEFT JOIN ".TB_PREF."suppliers supp ON t.supplier_id = supp.supplier_id
+ LEFT JOIN ".TB_PREF."voided as v ON v.type = t.type and v.id=t.trans_no
+ WHERE ISNULL(v.date_) AND t.tran_date <= '$to'
+ AND supp.curr_code<>'".get_company_pref('curr_default')."'
+ GROUP BY t.supplier_id";
+
+ $result = db_query($sql,"Open balances in foreign currency for cannot be retrieved");
+ return $result;
+}
+
+function get_account_home_balance($person_id, $person_type, $rec_account, $to_date)
+{
+ $to = date2sql($to_date);
+
+ $sql = "SELECT SUM(amount) FROM ".TB_PREF."gl_trans
+ WHERE person_id=".db_escape($person_id)." AND account='$rec_account'
+ AND person_type_id=$person_type AND tran_date <= '$to'";
+ $result = db_query($sql, "The AR/AP balance for customer $person_id could not be calculated");
+ $row = db_fetch_row($result);
+ return $row[0];
+}