ISSUE-132: Respect Result Count (#133)

* Respect Result Count

Slices the array if the result count >  $count. Cache already uses results in its Bin naming so we are good there.

src/Controller/AuthAutocompleteController.php

@@ -147,7 +147,7 @@ public static function create(ContainerInterface $container) {
    *
    * @return \Symfony\Component\HttpFoundation\JsonResponse
    */
-  public function handleAutocomplete(Request $request, $auth_type, $vocab = 'subjects', $rdftype = NULL, $count) {
+  public function handleAutocomplete(Request $request, $auth_type, $vocab = 'subjects', $rdftype = NULL, $count = 10) {
     $results = [];
 
 
@@ -219,7 +219,13 @@ public function handleAutocomplete(Request $request, $auth_type, $vocab = 'subje
       }
     }
     // DO not cache NULL or FALSE. Those will be 401/403/500;
-    if ($results) {
+    if ($results && is_array($results)) {
+      // Cut the results to the desired number
+      // Easier than dealing with EACH API's custom return options
+      if (count($results) > $count) {
+        $results = array_slice($results, 0, $count);
+      }
+
       //setting cache for anonymous or logged in
       if (!$is_internal) {
         $this->cacheSet($cache_id, $results,
@@ -231,7 +237,9 @@ public function handleAutocomplete(Request $request, $auth_type, $vocab = 'subje
         $this->cacheSet($cache_id, $results, ($this->time->getRequestTime() + static::MAX_CACHE_AGE));
       }
     }
-    $results = $results ?? [];
+    else {
+      $results = [];
+    }
     return new JsonResponse($results);
   }
 
@@ -293,6 +301,7 @@ protected function loc($input, $vocab, $rdftype) {
 
     $baseurl = 'https://id.loc.gov';
     $remoteUrl = $baseurl . $urlindex;
+
     $options['headers'] = ['Accept' => 'application/json'];
     $body = $this->getRemoteJsonData($remoteUrl, $options);
 
@@ -412,7 +421,6 @@ protected function getty($input, $vocab = 'aat', $mode = 'fuzzy') {
       return $results;
     }
 
-
     $input = trim($input);
     $queries = [];
     $results = [];
@@ -913,7 +921,6 @@ protected function mesh($input, $vocab, $rdftype) {
     $remoteUrl = $baseurl . $urlindex;
     $options['headers'] = ['Accept' => 'application/json'];
     $body = $this->getRemoteJsonData($remoteUrl, $options);
-
     $results = [];
     $jsondata = json_decode($body, TRUE);
     $json_error = json_last_error();