Fixed FA2.4.2 error getting exchange rate from Google
[fa-stable.git] / gl / includes / db / gl_db_rates.inc
index 5d98dcb7afd166084b4214e1901d771d1a1078a9..fc1060234cbfd758af3627154bdcc6e689701ac2 100644 (file)
@@ -14,7 +14,7 @@ include_once($path_to_root . "/includes/remote_url.inc");
 function get_exchange_rate($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");   
+       $result = db_query($sql, "could not get exchange rate for $rate_id");
 
        return db_fetch($result);
 }
@@ -23,9 +23,11 @@ function get_exchange_rate($rate_id)
 function get_date_exchange_rate($curr_code, $date_)
 {
        $date = date2sql($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_");        
+       $sql = "SELECT rate_buy
+                       FROM ".TB_PREF."exchange_rates
+                       WHERE curr_code=".db_escape($curr_code)
+                               ." AND date_='$date'";
+       $result = db_query($sql, "could not get exchange rate for $curr_code - $date_");
 
        if(db_num_rows($result) == 0) 
                return 0;
@@ -33,6 +35,27 @@ function get_date_exchange_rate($curr_code, $date_)
                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);
+}
+
 //---------------------------------------------------------------------------------------------
 
 function update_exchange_rate($curr_code, $date_, $buy_rate, $sell_rate)
@@ -45,7 +68,7 @@ function update_exchange_rate($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");
 }
 
 //---------------------------------------------------------------------------------------------
@@ -60,7 +83,18 @@ 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);
 }
 
 //---------------------------------------------------------------------------------------------
@@ -68,67 +102,86 @@ 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 $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, 'ECB', $date);
+       return get_extern_rate($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";
+               $site_ip="203.84.220.151";
        }
        elseif ($provider == 'GOOGLE')
        {
                $filename = "/finance/converter?a=1&from={$curr_a}&to={$curr_b}";
                $site = "finance.google.com";
        }
+       elseif ($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_HEADER, 0);
-              curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
-              // prevent warning while save_mode/open_basedir on (redireciton doesn't occur at least on ECB page)
-                  if (!ini_get('save_mode') && !ini_get('open_basedir'))
-               curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
-              curl_setopt ($ch, CURLOPT_TIMEOUT, 3);
-          $contents = curl_exec ($ch);
-              curl_close($ch);
+               $ch = curl_init();
+               curl_setopt ($ch, CURLOPT_URL, 'http://'.$site.$filename);
+               curl_setopt ($ch, CURLOPT_COOKIEJAR, "$path_to_root/tmp/cookie.txt");
+               curl_setopt ($ch, CURLOPT_HEADER, 0);
+               curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 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.
-                  $site="195.128.2.97";
+                       if (isset($site_ip))
+                               $site=$site_ip;
           } while( ($contents == '') && $retry--);
           
        } else {
                $contents = url_get_contents("http://".$site.$filename);
        }
-       if (!$contents) {
-               display_warning(sprintf(_("Cannot retrieve currency rate from %s page. Please set the rate manually."), $provider));
-       }
        if ($provider == 'ECB')
        {
                $contents = str_replace ("<Cube currency='USD'", " <Cube currency='EUR' rate='1'/> <Cube currency='USD'", $contents);
@@ -151,17 +204,16 @@ function get_extern_rate($curr_b, $provider = 'ECB', $date)
        }
        elseif ($provider == 'YAHOO')
        {
-               $val = '';
-               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;
-               }
+               $val = ''; 
+               $array = explode(',',$contents); // New operations for YAHOO. Safer.
+               $val = $array[1];
+               if ($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, $matches)) 
                {
@@ -170,18 +222,28 @@ function get_extern_rate($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()
+function get_sql_for_exchange_rates($curr)
 {
-       $sql = "SELECT date_, rate_buy, id FROM "
-               .TB_PREF."exchange_rates "
-               ."WHERE curr_code=".db_escape($_POST['curr_abrev'])."
+       $sql = "SELECT date_, rate_buy, id
+               FROM ".TB_PREF."exchange_rates "
+               ."WHERE curr_code=".db_escape($curr)."
                 ORDER BY date_ DESC";
        return $sql;     
 }
-?>
\ No newline at end of file