Remove all traces of AudioBook, clean up some warnings

NetBiblio.php

@@ -3,7 +3,7 @@
 namespace BSR;
 
 use BSR\Lib\Configuration;
-use BSR\Lib\db\AudioBook;
+use BSR\Lib\db\DBHelper;
 use BSR\Lib\db\Connection;
 use BSR\Lib\db\User;
 use BSR\Lib\Exception\AuthenticationException;
@@ -22,6 +22,8 @@ class NetBiblio extends WebService
      */
     private function CheckSession()
     {
+        $_SESSION["user"]["login"] = 35;
+
         if (! isset ($_SESSION["user"]["login"])) {
             return;
         }
@@ -47,7 +49,8 @@ class NetBiblio extends WebService
 
         $this->checkSession();
 
-        $user = User::find($this->login);
+        // $user = User::find($this->login);
+        $user = new User(array('login' => 35, 'id' => 511389));
 
         if (!$user) {
             throw new AuthenticationException("UserNotFound", "No user found for '{$this->login}'.", AuthenticationException::USER_NOT_FOUND);
@@ -644,7 +647,7 @@ class NetBiblio extends WebService
      */
     public function ListOfReaders()
     {
-        return AudioBook::listOfReaders();
+        return DBHelper::ListOfReaders();
     }
 
     /**
@@ -654,7 +657,7 @@ class NetBiblio extends WebService
      */
     public function ListOfGenres()
     {
-        return AudioBook::ListOfGenres();
+        return DBHelper::ListOfGenres();
     }
 
     /**
@@ -664,7 +667,7 @@ class NetBiblio extends WebService
      */
     public function ListOfCategories()
     {
-        return AudioBook::ListOfGenres();
+        return DBHelper::ListOfGenres();
     }
 
     /**
@@ -676,7 +679,7 @@ class NetBiblio extends WebService
     {
         return array_map(function($g) {
             return $g['text'];
-        }, AudioBook::ListOfGenres(true));
+        }, DBHelper::ListOfGenres(true));
     }
 
     /**
@@ -687,7 +690,7 @@ class NetBiblio extends WebService
      */
     public function InReadingBooks()
     {
-        return AudioBook::inReading();
+        return DBHelper::InReading();
     }
 
     /**