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)
{
db_query($sql, "could not delete exchange rate $rate_id");
}
-//---------------------------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+// Retrieve exchange rate as of date $date from external source (usually inet)
+//
+function retrieve_exrate($curr_b, $date)
+{
+ global $xr_providers, $dflt_xr_provider;
+ $xchg_rate_provider = ((isset($xr_providers) && isset($dflt_xr_provider)) ? $xr_providers[$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, $date);
+}
+//-----------------------------------------------------------------------------
-function get_ecb_rate($curr_b)
+function get_extern_rate($curr_b, $provider = 'ECB', $date)
{
$curr_a = get_company_pref('curr_default');
- $ecb_filename = '/stats/eurofxref/eurofxref-daily.xml';
- $ecb_site = 'www.ecb.int';
+ if ($provider == 'ECB')
+ {
+ $filename = "/stats/eurofxref/eurofxref-daily.xml";
+ $site = "www.ecb.int";
+ }
+ elseif ($provider == 'YAHOO')
+ {
+ $filename = "/d/quotes.csv?s={$curr_a}{$curr_b}=X&f=sl1d1t1ba&e=.csv"; // new URL's for YAHOO
+ $site = "download.finance.yahoo.com";
+ //$filename = "/q?s={$curr_a}{$curr_b}=X"; // Let old code be here for a while, Joe.
+ //$site = "finance.yahoo.com";
+ }
+ elseif ($provider == 'GOOGLE')
+ {
+ $filename = "/finance/converter?a=1&from={$curr_a}&to={$curr_b}";
+ $site = "www.google.com";
+ }
+ elseif ($provider == 'BLOOMBERG')
+ {
+ $filename = "/quote/{$curr_b}{$curr_a}:CUR";
+ $site = "www.bloomberg.com";
+ }
$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, 'http://'.$ecb_site.$ecb_filename);
+ curl_setopt ($ch, CURLOPT_URL, 'http://'.$site.$filename);
curl_setopt ($ch, CURLOPT_COOKIEJAR, "cookie.txt");
curl_setopt ($ch, CURLOPT_HEADER, 0);
curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
- curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
+ // prevent warning while save_mode/open_basedir on (redireciton doesn't occur at least on ECB page)
+ if (!ini_get('save_mode') && !ini_get('open_basedir'))
+ curl_setopt ($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.
- $ecb_site="195.128.2.97";
+ $site="195.128.2.97";
} while( ($contents == '') && $retry--);
} else {
- $handle = @fopen("http://".$ecb_site.$ecb_filename, 'rb');
- if ($handle) {
- do
- {
- $data = @fread( $handle, 4096 );
- if ( strlen ( $data ) == 0 )
- break;
- $contents .= $data; // with this syntax only text will be translated, whole text with htmlspecialchars($data)
- }
- while (true);
- @fclose( $handle );
- } // end handle
+ $contents = url_get_contents("http://".$site.$filename);
}
if (!$contents) {
- display_warning(_('Cannot retrieve currency rate from ECB page. Please set the rate manually.'));
+ display_warning(sprintf(_("Cannot retrieve currency rate from %s page. Please set the rate manually."), $provider));
}
- $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)
+ if ($provider == 'ECB')
{
- $val = $val_a / $val_b;
- }
- else
+ $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)
+ {
+ $val = $val_a / $val_b;
+ }
+ else
+ {
+ $val = 0;
+ }
+ }
+ elseif ($provider == 'YAHOO')
{
- $val = 0;
+ $val = '';
+ $array = explode(',',$contents); // New operations for YAHOO. Safer.
+ $val = $array[1];
+ if ($val != 0)
+ $val = 1 / $val;
+ /* Let old code be here for a while, Joe.
+ //if (preg_match('/Last\sTrade:(.*?)Trade\sTime/s', $contents, $matches)) {
+ $val = strip_tags($matches[1]);
+ $val = str_replace(',', '', $val);
+ if ($val != 0)
+ $val = 1 / $val;
+ }
+ */
}
+ elseif ($provider == 'GOOGLE')
+ {
+ $val = '';
+
+ $regexp = "%([\d|.]+)\s+{$curr_a}\s+=\s+<span\sclass=(.*)>([\d|.]+)\s+{$curr_b}\s*</span>%s";
+ if (preg_match($regexp, $contents, $matches))
+ {
+ $val = $matches[3];
+ $val = str_replace(',', '', $val);
+ if ($val != 0)
+ $val = 1 / $val;
+ }
+ }
+ elseif ($provider == 'BLOOMBERG')
+ {
+ $val = '';
+ $stmask = '<span class=" price">';
+ $val = trim(strstr($contents, $stmask));
+ $stmask = chr(10);
+ $val = trim(strstr($val, $stmask));
+ //$val = trim(strstr($val, $stmask, TRUE)); // Only works from PHP 5.3. Seems to work without it.
+ }
return $val;
-} // end function get_ecb_rate
+} /* end function get_extern_rate */
+
+//-----------------------------------------------------------------------------
+function get_sql_for_exchange_rates()
+{
+ $sql = "SELECT date_, rate_buy, id FROM "
+ .TB_PREF."exchange_rates "
+ ."WHERE curr_code=".db_escape($_POST['curr_abrev'])."
+ ORDER BY date_ DESC";
+ return $sql;
+}
?>
\ No newline at end of file