add method bookCountSubscriptions

Author: Leonid74

src/ApiClient.php

@@ -388,6 +388,24 @@ public function getEmailsFromBook($id, $limit = null, $offset = null)
         return $this->handleResult($requestResult);
     }
 
+    /**
+     * Get amount of subscriptions for the book
+     *
+     * @param $bookID
+     *
+     * @return stdClass
+     */
+    public function bookCountSubscriptions($bookID)
+    {
+        if (empty($bookID)) {
+            return $this->handleError('Empty book id');
+        }
+
+        $requestResult = $this->sendRequest('addressbooks/' . $bookID . '/emails/total');
+
+        return $this->handleResult($requestResult);
+    }
+
     /**
      * Add new emails to address book
      *

src/ApiInterface.php

@@ -60,11 +60,20 @@ public function getBookInfo($id);
     public function getBookVariables($id);
 
     /**
-     * Get list pf emails from book
+     * Get list email addresses from book
      *
-     * @param $id
+     * @param $id     Address book id.
+     * @param $limit
+     * @param $offset
+     */
+    public function getEmailsFromBook($id, $limit = null, $offset = null);
+
+    /**
+     * Get amount of subscriptions for the book
+     *
+     * @param $bookID
      */
-    public function getEmailsFromBook($id);
+    public function bookCountSubscriptions($bookID);
 
     /**
      * Add new emails to book