3 include_once($path_to_root . "/gl/includes/gl_db.inc");
5 //----------------------------------------------------------------------------------
6 // Check if given account is used by any bank_account.
7 // Returns id of first bank_account using account_code, null otherwise.
9 // Keep in mind that direct posting to bank account is depreciated
10 // because we have no way to select right bank account if
11 // there is more than one using given gl account.
13 function is_bank_account($account_code)
15 $sql= "SELECT id FROM ".TB_PREF."bank_accounts WHERE account_code='$account_code'";
16 $result = db_query($sql, "checking account is bank account");
17 if (db_num_rows($result) > 0) {
18 $acct = db_fetch($result);
24 //----------------------------------------------------------------------------------
26 function is_company_currency($currency)
28 return (get_company_currency() == $currency);
31 //----------------------------------------------------------------------------------
33 function get_company_currency()
35 $sql= "SELECT curr_default FROM ".TB_PREF."company";
36 $result = db_query($sql, "retreive company currency");
38 if (db_num_rows($result) == 0)
39 display_db_error("Could not find the requested currency. Fatal.", $sql);
41 $myrow = db_fetch_row($result);
45 //----------------------------------------------------------------------------------
47 function get_bank_account_currency($id)
49 $sql= "SELECT bank_curr_code FROM ".TB_PREF."bank_accounts WHERE id='$id'";
50 $result = db_query($sql, "retreive bank account currency");
52 $myrow = db_fetch_row($result);
56 //----------------------------------------------------------------------------------
58 function get_customer_currency($customer_id)
60 $sql = "SELECT curr_code FROM ".TB_PREF."debtors_master WHERE debtor_no = '$customer_id'";
62 $result = db_query($sql, "Retreive currency of customer $customer_id");
64 $myrow=db_fetch_row($result);
68 //----------------------------------------------------------------------------------
70 function get_supplier_currency($supplier_id)
72 $sql = "SELECT curr_code FROM ".TB_PREF."suppliers WHERE supplier_id = '$supplier_id'";
74 $result = db_query($sql, "Retreive currency of supplier $supplier_id");
76 $myrow=db_fetch_row($result);
80 //----------------------------------------------------------------------------------
82 function get_exchange_rate_from_home_currency($currency_code, $date_)
84 if ($currency_code == get_company_currency())
87 $date = date2sql($date_);
89 $sql = "SELECT rate_buy, max(date_) as date_ FROM ".TB_PREF."exchange_rates WHERE curr_code = '$currency_code'
90 AND date_ <= '$date' GROUP BY rate_buy ORDER BY date_ Desc LIMIT 1";
92 $result = db_query($sql, "could not query exchange rates");
94 if (db_num_rows($result) == 0)
96 // no stored exchange rate, just return 1
98 sprintf(_("Cannot retrieve exchange rate for currency %s as of %s. Please add exchange rate manually on Exchange Rates page."),
99 $currency_code, $date_));
103 $myrow = db_fetch_row($result);
107 //----------------------------------------------------------------------------------
109 function get_exchange_rate_to_home_currency($currency_code, $date_)
111 return 1 / get_exchange_rate_from_home_currency($currency_code, $date_);
114 //----------------------------------------------------------------------------------
116 function to_home_currency($amount, $currency_code, $date_)
118 $ex_rate = get_exchange_rate_to_home_currency($currency_code, $date_);
119 return round($amount / $ex_rate, user_price_dec());
122 //----------------------------------------------------------------------------------
124 function get_exchange_rate_from_to($from_curr_code, $to_curr_code, $date_)
126 // echo "converting from $from_curr_code to $to_curr_code <BR>";
127 if ($from_curr_code == $to_curr_code)
130 $home_currency = get_company_currency();
131 if ($to_curr_code == $home_currency)
133 return get_exchange_rate_to_home_currency($from_curr_code, $date_);
136 if ($from_curr_code == $home_currency)
138 return get_exchange_rate_from_home_currency($to_curr_code, $date_);
141 // neither from or to are the home currency
142 return get_exchange_rate_to_home_currency($from_curr_code, $date_) / get_exchange_rate_to_home_currency($to_curr_code, $date_);
145 //--------------------------------------------------------------------------------
147 function exchange_from_to($amount, $from_curr_code, $to_curr_code, $date_)
149 $ex_rate = get_exchange_rate_from_to($from_curr_code, $to_curr_code, $date_);
150 return $amount / $ex_rate;
153 //--------------------------------------------------------------------------------
154 // Exchange Variations Joe Hunt 2008-09-20 ////////////////////////////////////////
156 function exchange_variation($pyt_type, $pyt_no, $type, $trans_no, $pyt_date, $amount, $person_type, $neg=false)
158 if ($person_type == payment_person_types::customer())
160 $trans = get_customer_trans($trans_no, $type);
161 $ar_ap_act = $trans['receivables_account'];
162 $person_id = $trans['debtor_no'];
163 $curr = $trans['curr_code'];
167 $trans = get_supp_trans($trans_no, $type);
168 $supp_accs = get_supplier_accounts($trans['supplier_id']);
169 $ar_ap_act = $supp_accs['payable_account'];
170 $person_id = $trans['supplier_id'];
171 $curr = $trans['SupplierCurrCode'];
173 if (is_company_currency($curr))
175 $exc_var_act = get_company_pref('exchange_diff_act');
176 $inv_amt = to_home_currency($amount, $curr, sql2date($trans['tran_date']));
177 $pay_amt = to_home_currency($amount, $curr, $pyt_date);
178 if ($inv_amt != $pay_amt)
180 $diff = $inv_amt - $pay_amt;
181 if ($person_type == payment_person_types::supplier())
185 $memo = systypes::name($type)." ".$trans_no;
186 add_gl_trans($pyt_type, $pyt_no, $pyt_date, $ar_ap_act, 0, 0, $memo, -$diff, null, $person_type, $person_id);
187 add_gl_trans($pyt_type, $pyt_no, $pyt_date, $exc_var_act, 0, 0, $memo, $diff, null, $person_type, $person_id);