enhancement: multi currency support - implemented LMS::getCurrencyVal…

…ue() which uses NBP API (LMS+ #906)
chilek · Oct 26, 2019 · 6ca9251 · 6ca9251
1 parent 00aef6b
commit 6ca9251
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Showing 7 changed files with 130 additions and 56 deletions.
diff --git a/bin/lms-payments.php b/bin/lms-payments.php
@@ -150,6 +150,7 @@
 $LMS = new LMS($DB, $AUTH, $SYSLOG);
 $LMS->ui_lang = $_ui_language;
 $LMS->lang = $_language;
+$LMS->currency = $_currency;
 
 $plugin_manager = new LMSPluginManager();
 $LMS->setPluginManager($plugin_manager);

diff --git a/index.php b/index.php
@@ -162,7 +162,7 @@
 $LMS->lang = $_language;
 
 $_default_currency = ConfigHelper::getConfig('phpui.default_currency', '', true);
-if (empty($_default_currency) || !in_array($_default_currency, $CURRENCIES)) {
+if (empty($_default_currency) || !isset($CURRENCIES[$_default_currency])) {
     $_default_currency = $_currency;
 }
 $LMS->currency = $_currency;

diff --git a/lib/LMS.class.php b/lib/LMS.class.php
@@ -3143,6 +3143,12 @@ public function CheckNodeTariffRestrictions($aid, $nodes)
         return $manager->CheckNodeTariffRestrictions($aid, $nodes);
     }
 
+    public function getCurrencyValue($currency, $date = null)
+    {
+        $manager = $this->getFinanceManager();
+        return $manager->getCurrencyValue($currency, $date);
+    }
+
     /**
      * VoIP functions
      */

diff --git a/lib/LMSManagers/LMSFinanceManager.php b/lib/LMSManagers/LMSFinanceManager.php
@@ -30,6 +30,8 @@
  */
 class LMSFinanceManager extends LMSManager implements LMSFinanceManagerInterface
 {
+    private $currency_values = array();
+
     public function GetPromotionNameBySchemaID($id)
     {
         return $this->db->GetOne('SELECT p.name FROM promotionschemas AS s
@@ -3973,4 +3975,37 @@ public function CheckNodeTariffRestrictions($aid, $nodes)
         }
         return $result;
     }
+
+    public function getCurrencyValue($currency, $date = null)
+    {
+        if ($currency == $GLOBALS['currency']) {
+            return 1.0;
+        }
+        if (function_exists('get_currency_value')) {
+            if (!isset($GLOBALS['CURRENCIES'][$currency])) {
+                return null;
+            }
+            if (empty($date)) {
+                $date = mktime(12, 0, 0);
+            } elseif (strpos($date, '/') !== false) {
+                list ($year, $month, $day) = explode('/', $date);
+                $date = mktime(12, 0, 0, $month, $day, $year);
+            } else {
+                $date = mktime(
+                    12,
+                    0,
+                    0,
+                    date('n', $date),
+                    date('j', $date),
+                    date('Y', $date)
+                );
+            }
+            if (!isset($this->currency_values[$currency][$date])) {
+                $this->currency_values[$currency][$date] = get_currency_value($currency, $date);
+            }
+            return $this->currency_values[$currency][$date];
+        } else {
+            return null;
+        }
+    }
 }
diff --git a/lib/LMSManagers/LMSFinanceManagerInterface.php b/lib/LMSManagers/LMSFinanceManagerInterface.php
@@ -149,4 +149,6 @@ public function GetDocumentsForBalanceRecords($ids, $doctypes);
     public function GetDocumentLastReference($docid);
 
     public function CheckNodeTariffRestrictions($aid, $nodes);
+
+    public function getCurrencyValue($currency, $date = null);
 }
diff --git a/lib/definitions.php b/lib/definitions.php
@@ -952,44 +952,44 @@
 define('EXISTINGASSIGNMENT_DELETE', 3);
 
 $CURRENCIES = array(
-    'AUD',
-    'BGN',
-    'BRL',
-    'CAD',
-    'CHF',
-    'CLP',
-    'CNY',
-    'CZK',
-    'DKK',
-    'EUR',
-    'GBP',
-    'HKD',
-    'HRK',
-    'HUF',
-    'IDR',
-    'ILS',
-    'INR',
-    'ISK',
-    'JPY',
-    'KRW',
-    'LTL',
-    'LVL',
-    'MXN',
-    'MYR',
-    'NOK',
-    'NZD',
-    'PHP',
-    'PLN',
-    'RON',
-    'RUB',
-    'SEK',
-    'SGD',
-    'THB',
-    'TRY',
-    'UAH',
-    'USD',
-    'XDR',
-    'ZAR',
+    'AUD' => 'AUD',
+    'BGN' => 'BGN',
+    'BRL' => 'BRL',
+    'CAD' => 'CAD',
+    'CHF' => 'CHF',
+    'CLP' => 'CLP',
+    'CNY' => 'CNY',
+    'CZK' => 'CZK',
+    'DKK' => 'DKK',
+    'EUR' => 'EUR',
+    'GBP' => 'GBP',
+    'HKD' => 'HKO',
+    'HRK' => 'HRK',
+    'HUF' => 'HUF',
+    'IDR' => 'IDR',
+    'ILS' => 'ILS',
+    'INR' => 'INR',
+    'ISK' => 'ISK',
+    'JPY' => 'JPY',
+    'KRW' => 'KRW',
+    'LTL' => 'LTL',
+    'LVL' => 'LVL',
+    'MXN' => 'MXN',
+    'MYR' => 'MYR',
+    'NOK' => 'NOK',
+    'NZD' => 'NZD',
+    'PHP' => 'PHP',
+    'PLN' => 'PLN',
+    'RON' => 'RON',
+    'RUB' => 'RUB',
+    'SEK' => 'SEK',
+    'SGD' => 'SGD',
+    'THB' => 'THB',
+    'TRY' => 'TRY',
+    'UAH' => 'UAH',
+    'USD' => 'USD',
+    'XDR' => 'XOR',
+    'ZAR' => 'ZAR',
 );
 
 $EXISTINGASSIGNMENTS = array(

diff --git a/lib/locale/pl/system.php b/lib/locale/pl/system.php
@@ -54,22 +54,22 @@ function check_ssn($ssn)
     if (!preg_match('/^[0-9]{11}$/', $ssn)) {
         return false;
     }
-    
+
     $steps = array(1, 3, 7, 9, 1, 3, 7, 9, 1, 3);
     $sum_nb = 0;
-    
+
     for ($x = 0; $x < 10; $x++) {
         $sum_nb += $steps[$x] * $ssn[$x];
     }
-    
+
     $sum_m = 10 - $sum_nb % 10;
-    
+
     if ($sum_m == 10) {
         $sum_c = 0;
     } else {
         $sum_c = $sum_m;
     }
-    
+
     if ($sum_c == $ssn[10]) {
         return true;
     }
@@ -94,54 +94,54 @@ function check_regon($regon)
 
     if (strlen($regon) == 14) {
         $steps = array(2, 4, 8, 5, 0, 9, 7, 3, 6, 1, 2, 4, 8);
-    
+
         for ($x = 0; $x < 13; $x++) {
             $sum_nb += $steps[$x] * $regon[$x];
         }
-    
+
         $mod = $sum_nb % 11;
-        
+
         if ($mod == 10) {
             $mod = 0;
         }
-    
+
         if ($mod == $regon[13]) {
             return true;
         }
     } else if (strlen($regon) == 9) {
         $steps = array(8, 9, 2, 3, 4, 5, 6, 7);
-    
+
         for ($x = 0; $x < 8; $x++) {
             $sum_nb += $steps[$x] * $regon[$x];
         }
-    
+
         $mod = $sum_nb % 11;
-        
+
         if ($mod == 10) {
             $mod = 0;
         }
-    
+
         if ($mod == $regon[8]) {
             return true;
         }
     } elseif (strlen($regon) == 7) {
         $steps = array(2, 3, 4, 5, 6, 7);
-    
+
         for ($x = 0; $x < 6; $x++) {
             $sum_nb += $steps[$x] * $regon[$x];
         }
 
         $mod = $sum_nb % 11;
-        
+
         if ($mod == 10) {
             $mod = 0;
         }
-    
+
         if ($mod == $regon[6]) {
             return true;
         }
     }
-    
+
     return false;
 }
 
@@ -204,3 +204,33 @@ function generateRandomPostcode()
 {
     return sprintf("%02d", rand(0, 99)) . '-' . sprintf("%03d", rand(0, 999));
 }
+
+function get_currency_value($currency, $date = null)
+{
+    if ($date) {
+        $day_of_week = date('N', $date);
+        if ($day_of_week > 5) {
+            $date -= ($day_of_week - 5) * 86400;
+        }
+    }
+
+    $i = 0;
+    do {
+        $result = file_get_contents('https://api.nbp.pl/api/exchangerates/rates/A/' . $currency . '/'
+            . (empty($date) ? '' : date('Y-m-d', $date) . '/') . '?format=json');
+        if ($result !== false) {
+            break;
+        }
+        $date -= 86400;
+        $i++;
+    } while ($result === false && $i < 5);
+    if ($i == 5) {
+        return null;
+    }
+
+    $result = json_decode($result, true);
+    if ($result === null) {
+        return null;
+    }
+    return $result['rates'][0]['mid'];
+}