0001792: BLOOMBERG added to Exchange Rate Providers and config fix.
[fa-stable.git] / gl / includes / db / gl_db_rates.inc
index 7189afa894dc131ba7af5cf258bb08e952cd0972..351714036f251a456c62a7d6fc8c4d7c61669c98 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)
 {
@@ -75,12 +76,13 @@ function delete_exchange_rate($rate_id)
 //
 function retrieve_exrate($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);
 }
 //-----------------------------------------------------------------------------
 
@@ -94,16 +96,22 @@ function get_extern_rate($curr_b, $provider = 'ECB', $date)
        }
        elseif ($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.
+               //$site = "finance.yahoo.com";
        }
        elseif ($provider == 'GOOGLE')
        {
                $filename = "/finance/converter?a=1&from={$curr_a}&to={$curr_b}";
-               $site = "finance.google.com";
+               $site = "www.google.com";
+       }
+       elseif ($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;
                $retry = 1;
@@ -113,7 +121,9 @@ function get_extern_rate($curr_b, $provider = 'ECB', $date)
               curl_setopt ($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($ch);
@@ -123,21 +133,10 @@ function get_extern_rate($curr_b, $provider = 'ECB', $date)
           } while( ($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
+               $contents = url_get_contents("http://".$site.$filename);
        }
        if (!$contents) {
-               display_warning(_("Cannot retrieve currency rate from $provider page. Please set the rate manually."));
+               display_warning(sprintf(_("Cannot retrieve currency rate from %s page. Please set the rate manually."), $provider));
        }
        if ($provider == 'ECB')
        {
@@ -161,17 +160,24 @@ 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, $matches)) 
                {
@@ -180,8 +186,27 @@ function get_extern_rate($curr_b, $provider = 'ECB', $date)
                        if ($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_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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