gl/includes/db/gl_db_bank_trans.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 //----------------------------------------------------------------------------------
  13
  14 // add a bank transaction
  15 // $amount is in $currency
  16 // $date_ is display date (non-sql)
  17
  18 function add_bank_trans($type, $trans_no, $bank_act, $ref, $date_,
  19         $amount, $person_type_id, $person_id, $currency="", $err_msg="", $rate=0)
  20 {
  21         $sqlDate = date2sql($date_);
  22
  23         // convert $amount to the bank's currency
  24         if ($currency != "")
  25         {
  26         $bank_account_currency = get_bank_account_currency($bank_act);
  27         if ($rate == 0)
  28                 $to_bank_currency = get_exchange_rate_from_to($currency, $bank_account_currency, $date_);
  29         else
  30                 $to_bank_currency = 1 / $rate;
  31         $amount_bank = ($amount / $to_bank_currency);
  32         }
  33         else
  34                 $amount_bank = $amount;
  35         $amount_bank = round2($amount_bank, user_price_dec());
  36
  37         // Also store the rate to the home
  38         //$BankToHomeCurrencyRate = get_exchange_rate_to_home_currency($bank_account_currency, $date_);
  39
  40         $sql = "INSERT INTO ".TB_PREF."bank_trans (type, trans_no, bank_act, ref,
  41                 trans_date, amount, person_type_id, person_id) ";
  42
  43         $sql .= "VALUES ($type, $trans_no, '$bank_act', ".db_escape($ref).", '$sqlDate',
  44                 ".db_escape($amount_bank).", ".db_escape($person_type_id)
  45                 .", ". db_escape($person_id).")";
  46
  47         if ($err_msg == "")
  48                 $err_msg = "The bank transaction could not be inserted";
  49
  50         db_query($sql, $err_msg);
  51 }
  52
  53 //----------------------------------------------------------------------------------------
  54
  55 function exists_bank_trans($type, $type_no)
  56 {
  57         $sql = "SELECT trans_no FROM ".TB_PREF."bank_trans WHERE type=".db_escape($type)
  58                 ." AND trans_no=".db_escape($type_no);
  59         $result = db_query($sql, "Cannot retreive a bank transaction");
  60
  61     return (db_num_rows($result) > 0);
  62 }
  63
  64 //----------------------------------------------------------------------------------------
  65
  66 function get_bank_trans($type, $trans_no=null, $person_type_id=null, $person_id=null)
  67 {
  68         $sql = "SELECT bt.*, act.*,
  69                 IFNULL(abs(dt.ov_amount), IFNULL(ABS(st.ov_amount), bt.amount)) settled_amount,
  70                 IFNULL(abs(dt.ov_amount/bt.amount), IFNULL(ABS(st.ov_amount/bt.amount), 1)) settle_rate,
  71                 IFNULL(debtor.curr_code, IFNULL(supplier.curr_code, act.bank_curr_code)) settle_curr
  72
  73                 FROM ".TB_PREF."bank_trans bt
  74                                  LEFT JOIN ".TB_PREF."debtor_trans dt ON dt.type=bt.type AND dt.trans_no=bt.trans_no
  75                                  LEFT JOIN ".TB_PREF."debtors_master debtor ON debtor.debtor_no = dt.debtor_no
  76                                  LEFT JOIN ".TB_PREF."supp_trans st ON st.type=bt.type AND st.trans_no=bt.trans_no
  77                                  LEFT JOIN ".TB_PREF."suppliers supplier ON supplier.supplier_id = st.supplier_id,
  78                          ".TB_PREF."bank_accounts act
  79                 WHERE act.id=bt.bank_act ";
  80         if ($type != null)
  81                 $sql .= " AND bt.type=".db_escape($type);
  82         if ($trans_no != null)
  83                 $sql .= " AND bt.trans_no = ".db_escape($trans_no);
  84         if ($person_type_id != null)
  85                 $sql .= " AND bt.person_type_id = ".db_escape($person_type_id);
  86         if ($person_id != null)
  87                 $sql .= " AND bt.person_id = ".db_escape($person_id);
  88         $sql .= " ORDER BY trans_date, bt.id";
  89
  90         return db_query($sql, "query for bank transaction");
  91 }
  92
  93 //----------------------------------------------------------------------------------------
  94
  95 function get_bank_trans_for_bank_account($bank_account, $from, $to)
  96 {
  97         $from = date2sql($from);
  98         $to = date2sql($to);
  99         $sql = "SELECT t.* FROM "
 100                 .TB_PREF."bank_trans t LEFT JOIN ".TB_PREF."voided v ON t.type=v.type AND t.trans_no=v.id
 101                 WHERE t.bank_act = ".db_escape($bank_account) . "
 102                 AND ISNULL(v.date_)
 103                 AND trans_date >= '$from'
 104                 AND trans_date <= '$to'
 105                 AND amount != 0
 106                 ORDER BY trans_date, t.id";
 107
 108         return db_query($sql,"The transactions for '" . $bank_account . "' could not be retrieved");
 109 }
 110
 111 //----------------------------------------------------------------------------------------
 112
 113 function get_balance_before_for_bank_account($bank_account, $from)
 114 {
 115         $from = date2sql($from);
 116         $sql = "SELECT SUM(amount) FROM ".TB_PREF."bank_trans WHERE bank_act="
 117                 .db_escape($bank_account) . "
 118                 AND trans_date < '$from'";
 119         $before_qty = db_query($sql, "The starting balance on hand could not be calculated");
 120         $bfw_row = db_fetch_row($before_qty);
 121         return $bfw_row[0];
 122 }
 123 //----------------------------------------------------------------------------------------
 124
 125 function get_gl_trans_value($account, $type, $trans_no)
 126 {
 127         $sql = "SELECT SUM(amount) FROM ".TB_PREF."gl_trans WHERE account="
 128         .db_escape($account)." AND type=".db_escape($type)
 129         ." AND type_no=".db_escape($trans_no);
 130
 131         $result = db_query($sql, "query for gl trans value");
 132
 133         $row = db_fetch_row($result);
 134         return $row[0];
 135 }
 136
 137 //----------------------------------------------------------------------------------------
 138
 139 function void_bank_trans($type, $type_no, $nested=false)
 140 {
 141
 142         if (!$nested)
 143                 begin_transaction();
 144
 145         $sql = "UPDATE ".TB_PREF."bank_trans SET amount=0
 146                 WHERE type=".db_escape($type)." AND trans_no=".db_escape($type_no);
 147
 148         $result = db_query($sql, "could not void bank transactions for type=$type and trans_no=$type_no");
 149
 150         void_gl_trans($type, $type_no, true);
 151
 152         // in case it's a customer trans - probably better to check first
 153         void_cust_allocations($type, $type_no);
 154         void_customer_trans($type, $type_no);
 155
 156         // in case it's a supplier trans - probably better to check first
 157         void_supp_allocations($type, $type_no);
 158         void_supp_trans($type, $type_no);
 159
 160         void_trans_tax_details($type, $type_no);
 161
 162         if (!$nested)
 163                 commit_transaction();
 164 }
 165
 166 /**
 167 *       Check account history to find transaction which would exceed authorized overdraft for given account.
 168 *       Returns null or transaction in conflict. Running balance is checked on daily basis only, to enable ID change after edition.
 169 *       $delta_amount - tested change in bank balance at $date.
 170 **/
 171 function check_bank_account_history($delta_amount, $bank_account, $date=null, $user=null)
 172 {
 173         if ($delta_amount >= 0 && isset($date))
 174                  return null;   // amount increese is always safe
 175
 176         $balance = $date ? get_bank_account_limit($bank_account, $date, $user) : 0;
 177
 178         if (!isset($balance) && isset($date))
 179                 return null;    // unlimited account
 180
 181         if (floatcmp($balance, -$delta_amount) < 0)
 182                 return array('amount' => $balance + $delta_amount, 'trans_date'=> date2sql($date));
 183
 184         $balance += $delta_amount;
 185
 186         $sql = "SELECT sum(amount) as amount, trans_date FROM ".TB_PREF."bank_trans WHERE bank_act=".db_escape($bank_account);
 187         if ($date)
 188         {
 189                 $date = date2sql($date);
 190                 $sql .= " AND trans_date > '$date'";
 191         }
 192         $sql .= " GROUP BY trans_date ORDER BY trans_date ASC";
 193
 194         $history = db_query($sql, "cannot retrieve cash account history");
 195
 196         while ($trans = db_fetch($history)) {
 197                 $balance += $trans['amount'];
 198                 if ($balance < 0)
 199                 {
 200                         $trans['amount'] = $balance;
 201                         return $trans;
 202                 }
 203         }
 204
 205         return null;
 206 }
 207
 208 /**
 209 *       Check bank transfer, deposit or customer deposit before voiding.
 210 **/
 211 function check_void_bank_trans($type, $type_no)
 212 {
 213         $moves = get_bank_trans($type, $type_no);
 214         while ($trans = db_fetch($moves)) {
 215                 if ($trans['amount'] > 0) { // skip transfer input part
 216                         return check_bank_account_history(-$trans['amount'], $trans['bank_act'], sql2date($trans['trans_date'])) == null;
 217                 }
 218         }
 219         return true;
 220 }
 221