Fix search for iOS :

- text does not exists anymore as a field
- better detection of book codes

NetBiblio.php

@@ -228,6 +228,15 @@ class NetBiblio extends WebService
         return $books;
     }
 
+    /**
+     * Return true if the value matches a book code (a number with 1 to 5 digits)
+     * @param $val
+     * @return int
+     */
+    protected function IsBookCode($val) {
+        return preg_match('/^[0-9]{1,5}$/', $val);
+    }
+
     // **********************************
     // *        Public methods          *
     // **********************************
@@ -530,20 +539,24 @@ class NetBiblio extends WebService
      * If a number is given, search in the book codes, otherwise perform
      * a full text search.
      *
-     * @param string $query Text to search
+     * @param string $text Text to search
      * @param int $start
      * @param int $limit
      * @return array an array of books
      * @throws WebException
      */
-    public function Search($query, $start, $limit)
+    public function Search($text, $start, $limit)
     {
         $query = array(
-            'queryText' => $query,
-            'queryType' => is_numeric($query) && strlen($query) <= 5 ? 'code' : 'text',
+            'queryText' => $text,
             'count' => $limit,
             'page' => max(intval($start) - 1, 0),
         );
+
+        if($this->IsBookCode($text)) {
+            $query['queryType'] = 'code';
+        }
+
         $data = $this->NewSearch(json_encode($query));
 
         // remove fields that are not used in "old" search