Bloomberg Rate has changed their wrapper from span to div.
[fa-stable.git] / gl / includes / db / gl_db_rates.inc
index 7189afa894dc131ba7af5cf258bb08e952cd0972..1938c6bbf8d8bd36c452b99a7849b0b8c9ace142 100644 (file)
@@ -9,6 +9,7 @@
     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)
 {
@@ -44,7 +45,7 @@ function update_exchange_rate($curr_code, $date_, $buy_rate, $sell_rate)
        $sql = "UPDATE ".TB_PREF."exchange_rates SET rate_buy=$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");
 }
 
 //---------------------------------------------------------------------------------------------
@@ -59,7 +60,18 @@ function add_exchange_rate($curr_code, $date_, $buy_rate, $sell_rate)
        $sql = "INSERT INTO ".TB_PREF."exchange_rates (curr_code, date_, rate_buy, rate_sell)
                VALUES (".db_escape($curr_code).", '$date', ".db_escape($buy_rate)
                .", ".db_escape($sell_rate).")";
-       db_query($sql, "could not add exchange rate for $curr_code");                           
+       db_query($sql, "could not add exchange rate for $curr_code");
+}
+
+//---------------------------------------------------------------------------------------------
+
+function add_new_exchange_rate($curr_code, $date_, $ex_rate)
+{
+       if (is_company_currency($curr_code) || !$ex_rate)
+               return;
+
+       if (!get_date_exchange_rate($curr_code, $date_))
+               add_exchange_rate($curr_code, $date_, $ex_rate, $ex_rate);
 }
 
 //---------------------------------------------------------------------------------------------
@@ -67,77 +79,85 @@ function add_exchange_rate($curr_code, $date_, $buy_rate, $sell_rate)
 function delete_exchange_rate($rate_id)
 {
        $sql = "DELETE FROM ".TB_PREF."exchange_rates WHERE id=".db_escape($rate_id);
-       db_query($sql, "could not delete exchange rate $rate_id");              
+       db_query($sql, "could not delete exchange rate $rate_id");
 }
 
 //-----------------------------------------------------------------------------
 //     Retrieve exchange rate as of date $date from external source (usually inet)
 //
+//     Exchange rate for currency revaluation purposes is defined in FA as home_currency/curr_b ratio i.e.
+//
+//     amount [home] = amount [curr] * ex_rate
+//
 function retrieve_exrate($curr_b, $date)
 {
-       global $Hooks;
-
-       if (method_exists($Hooks, 'retrieve_exrate'))
-               return $Hooks->retrieve_exrate($curr_b, $date);
-       else
-               return get_extern_rate($curr_b, 'ECB', $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_extern_rate($curr_b, $provider = 'ECB', $date) 
 {
+       global  $path_to_root;
+
+       if ($date != Today())   // no historical rates available
+               return 0;
+
        $curr_a = get_company_pref('curr_default');
        if ($provider == 'ECB')
        {
                $filename = "/stats/eurofxref/eurofxref-daily.xml";
-               $site = "www.ecb.int";
+               $site = "www.ecb.europa.eu";
+               $site_ip="172.230.157.137";
        }
        elseif ($provider == 'YAHOO')
        {
-               $filename = "/q?s={$curr_a}{$curr_b}=X";
-               $site = "finance.yahoo.com";
+               $filename = "/d/quotes.csv?s={$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";
+               $site_ip="203.84.220.151";
        }
        elseif ($provider == 'GOOGLE')
        {
                $filename = "/finance/converter?a=1&from={$curr_a}&to={$curr_b}";
-               $site = "finance.google.com";
+               $site = "www.google.com";
+               $site_ip = "74.125.23.147";
+       }
+       elseif ($provider == 'BLOOMBERG')
+       {
+               $filename = "/quote/{$curr_b}{$curr_a}:CUR";
+               $site = "www.bloomberg.com";
+               $site_ip = "23.35.88.72";
        }
        $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://'.$site.$filename);
-              curl_setopt ($ch, CURLOPT_COOKIEJAR, "cookie.txt");
+              curl_setopt ($ch, CURLOPT_COOKIEJAR, "$path_to_root/tmp/cookie.txt");
           curl_setopt ($ch, CURLOPT_HEADER, 0);
               curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
-          curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
+              // prevent warning while safe_mode/open_basedir on (redireciton 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.
-                  $site="195.128.2.97";
+                  $site=$site_ip;
           } while( ($contents == '') && $retry--);
           
        } else {
-               $handle = @fopen("http://".$site.$filename, 'rb');
-               if ($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( $handle );
-               } // end handle
-       }
-       if (!$contents) {
-               display_warning(_("Cannot retrieve currency rate from $provider page. Please set the rate manually."));
+               $contents = url_get_contents("http://".$site.$filename);
        }
        if ($provider == 'ECB')
        {
@@ -161,17 +181,24 @@ function get_extern_rate($curr_b, $provider = 'ECB', $date)
        }
        elseif ($provider == 'YAHOO')
        {
-               $val = '';
-               if (preg_match('/Last\sTrade:(.*?)Trade\sTime/s', $contents, $matches)) {
+               $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, $matches)) 
                {
@@ -180,8 +207,29 @@ function get_extern_rate($curr_b, $provider = 'ECB', $date)
                        if ($val != 0)
                                $val = 1 / $val;
                }
+    }    
+       elseif ($provider == 'BLOOMBERG')
+       {
+               $val = '';
+               $stmask = '<div class="price">';
+               $val = strstr($contents, $stmask);
+               $val = trim($val);
+               $val = substr($val, strlen($stmask));
+               $stmask = '</div>';
+               $val = strtok($val, $stmask); 
+               $val = trim($val);
     }    
        return $val;
 }  /* 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;     
+}
 ?>
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