<?php
-
-//--------------------------------------------------------------------------------------------------
-
-function get_exchange_rates($curr_code)
-{
- $sql = "SELECT * FROM ".TB_PREF."exchange_rates WHERE curr_code='$curr_code' ORDER BY date_ DESC";
- return db_query($sql, "could not get exchange rates for $curr_code");
-}
-
+/**********************************************************************
+ Copyright (C) FrontAccounting, LLC.
+ Released under the terms of the GNU General Public License, GPL,
+ as published by the Free Software Foundation, either version 3
+ of the License, or (at your option) any later version.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
+***********************************************************************/
+include_once($path_to_root . "/includes/remote_url.inc");
//---------------------------------------------------------------------------------------------
-
function get_exchange_rate($rate_id)
{
- $sql = "SELECT * FROM ".TB_PREF."exchange_rates WHERE id=$rate_id";
- $result = db_query($sql, "could not get exchange rate for $rate_id");
+ $sql = "SELECT * FROM ".TB_PREF."exchange_rates WHERE id=".db_escape($rate_id);
+ $result = db_query($sql, "could not get exchange rate for $rate_id");
return db_fetch($result);
}
+// Retrieves buy exchange rate for given currency/date, zero if no result
function get_date_exchange_rate($curr_code, $date_)
{
$date = date2sql($date_);
- $sql = "SELECT date_ FROM ".TB_PREF."exchange_rates WHERE curr_code='$curr_code'
- AND date_='$date'";
- $result = db_query($sql, "could not get exchange rate for $curr_code - $date_");
+ $sql = "SELECT rate_buy
+ FROM ".TB_PREF."exchange_rates
+ WHERE curr_code=".db_escape($curr_code)
+ ." AND date_='$date'";
+ $result = db_query($sql, "could not get exchange rate for $curr_code - $date_");
- return (db_num_rows($result) == 1);
+ if(db_num_rows($result) == 0)
+ return 0;
+ $row = db_fetch($result);
+ return $row[0];
+}
+
+/*
+ Return last exchange rate of $currency not later than $date.
+*/
+function get_last_exchange_rate($curr_code, $date_)
+{
+ $date = date2sql($date_);
+
+ $sql = "SELECT rate_buy, max(date_) as date_
+ FROM ".TB_PREF."exchange_rates
+ WHERE curr_code = ".db_escape($curr_code)."
+ AND date_ <= '$date' GROUP BY rate_buy ORDER BY date_ Desc LIMIT 1";
+
+ $result = db_query($sql, "could not query exchange rates");
+
+
+ if (db_num_rows($result) == 0)
+ return false;
+
+ return db_fetch_assoc($result);
}
//---------------------------------------------------------------------------------------------
$date = date2sql($date_);
- $sql = "UPDATE ".TB_PREF."exchange_rates SET rate_buy=$buy_rate, rate_sell=$sell_rate
- WHERE curr_code='$curr_code' AND date_='$date'";
+ $sql = "UPDATE ".TB_PREF."exchange_rates SET rate_buy=$buy_rate, rate_sell=".db_escape($sell_rate)
+ ." WHERE curr_code=".db_escape($curr_code)." AND date_='$date'";
- db_query($sql, "could not add exchange rate for $curr_code");
+ db_query($sql, "could not add exchange rate for $curr_code");
}
//---------------------------------------------------------------------------------------------
$date = date2sql($date_);
$sql = "INSERT INTO ".TB_PREF."exchange_rates (curr_code, date_, rate_buy, rate_sell)
- VALUES ('$curr_code', '$date', $buy_rate, $sell_rate)";
- db_query($sql, "could not add exchange rate for $curr_code");
+ VALUES (".db_escape($curr_code).", '$date', ".db_escape($buy_rate)
+ .", ".db_escape($sell_rate).")";
+ db_query($sql, "could not add exchange rate for $curr_code");
}
//---------------------------------------------------------------------------------------------
-function delete_exchange_rate($rate_id)
+function add_new_exchange_rate($curr_code, $date_, $ex_rate)
{
- $sql = "DELETE FROM ".TB_PREF."exchange_rates WHERE id=$rate_id";
- db_query($sql, "could not delete exchange rate $rate_id");
+ if (is_company_currency($curr_code) || !$ex_rate)
+ return;
+
+ if (!get_date_exchange_rate($curr_code, $date_))
+ add_exchange_rate($curr_code, $date_, $ex_rate, $ex_rate);
}
//---------------------------------------------------------------------------------------------
-function get_ecb_rate($curr_b)
+function delete_exchange_rate($rate_id)
{
- $curr_a = get_company_pref('curr_default');
- $ecb_filename = 'http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml';
- $handle = @fopen($ecb_filename, 'rb');
+ $sql = "DELETE FROM ".TB_PREF."exchange_rates WHERE id=".db_escape($rate_id);
+ db_query($sql, "could not delete exchange rate $rate_id");
+}
+
+//-----------------------------------------------------------------------------
+// Retrieve exchange rate as of date $date from external source (usually inet)
+//
+// Exchange rate for currency revaluation purposes is defined in FA as home_currency/curr_b ratio i.e.
+//
+// amount [home] = amount [curr] * ex_rate
+//
+function retrieve_exrate($curr_b, $date)
+{
+ global $SysPrefs;
+
+ $xchg_rate_provider = ((isset($SysPrefs->xr_providers) && isset($SysPrefs->dflt_xr_provider))
+ ? $SysPrefs->xr_providers[$SysPrefs->dflt_xr_provider] : 'ECB');
+
+ $rate = hook_retrieve_exrate($curr_b, $date);
+ if (is_numeric($rate))
+ return $rate;
+ return get_extern_rate($curr_b, $xchg_rate_provider, $date);
+}
+//-----------------------------------------------------------------------------
+
+function get_extern_rate($curr_b, $provider = 'ECB', $date)
+{
+ global $path_to_root;
+
+ if ($date != Today()) // no historical rates available
+ return 0;
+
$contents = '';
- if ($handle)
+ $proto = 'http://';
+ $curr_a = get_company_pref('curr_default');
+ if ($provider == 'ECB')
+ {
+ $filename = "/stats/eurofxref/eurofxref-daily.xml";
+ $site = "www.ecb.europa.eu";
+ $proto = 'https://';
+ $site_ip="172.230.157.137";
+ $contents=file_get_contents($proto.$site.$filename);
+ }
+ elseif ($provider == 'YAHOO')
+ {
+ $filename = "/d/quotes.csv?s={$curr_a}{$curr_b}=X&f=sl1d1t1ba&e=.csv"; // new URL's for YAHOO
+ $site = "download.finance.yahoo.com";
+ $site_ip="203.84.220.151";
+ }
+ elseif ($provider == 'GOOGLE')
{
- do
+ $filename = "/search?q={$curr_b}+to+{$curr_a}";
+ $site = "https://www.google.com";
+ $contents = file_get_contents($site.$filename);
+ }
+ elseif ($provider == 'BLOOMBERG')
+ {
+ $filename = "/quote/{$curr_b}{$curr_a}:CUR";
+ $site = "www.bloomberg.com";
+ $proto = 'https://';
+ $contents=file_get_contents($proto.$site.$filename);
+ }
+ elseif ($provider == 'EXCHANGE-RATES.ORG')
+ {
+ $filename = "/converter/{$curr_b}/{$curr_a}/1";
+ $site = "exchange-rates.org";
+ $proto = 'https://';
+ $contents=file_get_contents($proto.$site.$filename);
+ }
+ if (empty($contents)) {
+ if (function_exists('curl_init'))
+ { // first check with curl as we can set short timeout;
+ $retry = 1;
+ do {
+ $ch = curl_init();
+ curl_setopt ($ch, CURLOPT_URL, $proto.$site.$filename);
+ curl_setopt ($ch, CURLOPT_COOKIEJAR, VARLIB_PATH."/cookie.txt");
+ curl_setopt ($ch, CURLOPT_HEADER, 0);
+ curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
+ // prevent warning while safe_mode/open_basedir on (redirection doesn't occur at least on ECB page)
+ if (!ini_get('safe_mode') && !ini_get('open_basedir'))
+ curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
+ curl_setopt ($ch, CURLOPT_TIMEOUT, 3);
+ $contents = curl_exec ($ch);
+ curl_close($ch);
+ // due to resolver bug in some curl versions (e.g. 7.15.5)
+ // try again for constant IP.
+ if (isset($site_ip))
+ $site=$site_ip;
+ } while( ($contents == '') && $retry--);
+ } else {
+ $contents = url_get_contents($proto.$site.$filename);
+ }
+ }
+ $val = '';
+ if ($provider == 'ECB')
+ {
+ $contents = str_replace ("<Cube currency='USD'", " <Cube currency='EUR' rate='1'/> <Cube currency='USD'", $contents);
+ $from_mask = "|<Cube\s*currency=\'" . $curr_a . "\'\s*rate=\'([\d.,]*)\'\s*/>|i";
+ preg_match ( $from_mask, $contents, $out );
+ $val_a = isset($out[1]) ? $out[1] : 0;
+ $val_a = str_replace ( ',', '', $val_a );
+ $to_mask = "|<Cube\s*currency=\'" . $curr_b . "\'\s*rate=\'([\d.,]*)\'\s*/>|i";
+ preg_match ( $to_mask, $contents, $out );
+ $val_b = isset($out[1]) ? $out[1] : 0;
+ $val_b = str_replace ( ',', '', $val_b );
+ if ($val_b)
{
- $data = @fread( $handle, 4096 );
- if ( strlen ( $data ) == 0 )
- break;
- $contents .= $data; // with this syntax only text will be translated, whole text with htmlspecialchars($data)
+ $val = $val_a / $val_b;
}
- while (true);
- @fclose( $handle );
- } // end handle
- else
+ else
+ {
+ $val = 0;
+ }
+ }
+ elseif ($provider == 'YAHOO')
{
- $ch = curl_init();
- curl_setopt ($ch, CURLOPT_URL, $ecb_filename);
- curl_setopt ($ch, CURLOPT_COOKIEJAR, "cookie.txt");
- curl_setopt ($ch, CURLOPT_HEADER, 0);
- curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
- curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
- curl_setopt ($ch, CURLOPT_TIMEOUT, 120);
- $contents = curl_exec ($ch);
- curl_close($ch);
+ $array = explode(',',$contents); // New operations for YAHOO. Safer.
+ $val = $array[1];
+ if ($val != 0)
+ $val = 1 / $val;
}
- $contents = str_replace ("<Cube currency='USD'", " <Cube currency='EUR' rate='1'/> <Cube currency='USD'", $contents);
- $from_mask = "|<Cube\s*currency=\'" . $curr_a . "\'\s*rate=\'([\d.,]*)\'\s*/>|i";
- preg_match ( $from_mask, $contents, $out );
- $val_a = $out[1];
- $val_a = str_replace ( ',', '', $val_a );
- $to_mask = "|<Cube\s*currency=\'" . $curr_b . "\'\s*rate=\'([\d.,]*)\'\s*/>|i";
- preg_match ( $to_mask, $contents, $out );
- $val_b = $out[1];
- $val_b = str_replace ( ',', '', $val_b );
- if ($val_b)
+ elseif ($provider == 'GOOGLE')
{
- $val = $val_a / $val_b;
- }
- else
+ $data = preg_split('/\D\s(.*?)\s=\s/', $contents);
+ $array = explode(" ", $data[1]);
+ $exRate = $array[0];
+
+ $val = str_replace (',', '', $exRate);
+ }
+ elseif ($provider == 'BLOOMBERG')
{
- $val = 0;
- }
+ $val = getInnerStr($contents, ',"price":', ',"');
+ }
+ elseif ($provider == 'EXCHANGE-RATES.ORG')
+ {
+ $val = getInnerStr($contents, '<span id="ctl00_M_lblToAmount">', '<');
+ $val = str_replace (',', '', $val);
+ }
return $val;
-} // end function get_ecb_rate
+} /* end function get_extern_rate */
-?>
\ No newline at end of file
+//-----------------------------------------------------------------------------
+
+function get_sql_for_exchange_rates($curr)
+{
+ $sql = "SELECT date_, rate_buy, id
+ FROM ".TB_PREF."exchange_rates "
+ ."WHERE curr_code=".db_escape($curr)."
+ ORDER BY date_ DESC";
+ return $sql;
+}
+
+function getInnerStr($str, $start, $end)
+{
+ // $start must be the first occurrence
+ // $start must not be part of $end
+ $val = '';
+ $val = strstr($str, $start);
+ $val = trim($val);
+ $val = substr($val, strlen($start));
+ $val = strtok($val, $end);
+ return trim($val);
+}
projects / fa-stable.git / blobdiff