Add filterable results

src/controllers/Servers.php

@@ -14,15 +14,17 @@
 class Servers extends Controller {
   public function &run(Router &$router, View &$view, array &$args) {
     $model = new ServersModel();
-    $this->getServers($model);
+
+    $query = $router->getRequestQueryArray();
+    $this->getServers($model, $query);
 
     $view->render($model);
     $model->_responseCode = 200;
     return $model;
   }
 
-  protected function getServers(ServersModel &$model) {
-    $model->server_types    = ServerTypeLib::getAllServerTypes();
+  protected function getServers(ServersModel &$model, array &$q) {
+    $model->server_types    = array();
     $model->servers         = ServerLib::getAllServers();
     $model->status_bitmasks = [
       [
@@ -36,5 +38,99 @@ protected function getServers(ServersModel &$model) {
         'label'       => 'Disabled'
       ]
     ];
+
+    // collect filter queries
+
+    $sort = (isset($q['sort']) ? $q['sort'] : null);
+    $status = (isset($q['status']) ? $q['status'] : null);
+    $type_id = (isset($q['type_id']) ? $q['type_id'] : null);
+    $user_id = (isset($q['user_id']) ? $q['user_id'] : null);
+
+    // filter by status bitmask
+
+    if (!is_null($status) && is_numeric($status)) {
+      foreach ($model->servers as $it => $server) {
+        if (!($server->getStatusBitmask() & $status)) {
+          unset($model->servers[$it]);
+        }
+      }
+    }
+
+    // filter by type_id
+
+    if (!is_null($type_id) && is_numeric($type_id)) {
+      // type_id is a single integer
+      foreach ($model->servers as $it => $server) {
+        if ($server->getTypeId() != $type_id) {
+          unset($model->servers[$it]);
+        }
+      }
+    }
+
+    if (is_string($type_id) && preg_match('/^(?:\d+,?)+$/', $type_id)) {
+      // type_id is a string like "1,2,3"
+      $type_id = explode(',', $type_id);
+    }
+
+    if ($type_id && is_array($type_id)) {
+      foreach ($model->servers as $it => $server) {
+        $found = false;
+        foreach ($type_id as $_type) {
+          if ($server->getTypeId() == $_type) {
+            $found = true;
+            break;
+          }
+        }
+        if (!$found) unset($model->servers[$it]);
+      }
+    }
+
+    // filter by user_id
+
+    if (!is_null($user_id) && is_numeric($user_id)) {
+      // user_id is a single integer
+      foreach ($model->servers as $it => $server) {
+        if ($server->getUserId() != $user_id) {
+          unset($model->servers[$it]);
+        }
+      }
+    }
+
+    if (is_string($user_id) && preg_match('/^(?:\d+,?)+$/', $user_id)) {
+      // user_id is a string like "1,2,3"
+      $user_id = explode(',', $user_id);
+    }
+
+    if ($user_id && is_array($user_id)) {
+      foreach ($model->servers as $it => $server) {
+        $found = false;
+        foreach ($user_id as $_user) {
+          if ($server->getUserId() == $_user) {
+            $found = true;
+            break;
+          }
+        }
+        if (!$found) unset($model->servers[$it]);
+      }
+    }
+
+    // reindex servers after removal of indices using unset()
+
+    $model->servers = array_values($model->servers);
+
+    // collect types and filter
+
+    $server_types = array();
+    foreach ($model->servers as $server) {
+      $server_types[] = $server->getTypeId();
+    }
+    sort($server_types);
+    $server_types = array_unique($server_types);
+
+    $model->server_types = array();
+    foreach ($server_types as $id) {
+      $model->server_types[] = new ServerTypeLib($id);
+    }
+
   }
 }