Rewrite devices page backend (and a little frontend) (#9726)

* Implement devices table data output

* initial filter

* Add select2 filters
improve table header layout
improve init_select2

* bump versions to be safe

* add group filtering
fix location sorting

* allow filter value morphing

* add missing state filter

* remove the old devices endpoint

app/Http/Controllers/Select/LocationController.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * LocationController.php
+ *
+ * -Description-
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package    LibreNMS
+ * @link       http://librenms.org
+ * @copyright  2019 Tony Murray
+ * @author     Tony Murray <murraytony@gmail.com>
+ */
+
+namespace App\Http\Controllers\Select;
+
+use App\Models\Location;
+
+class LocationController extends SelectController
+{
+    protected function searchFields($request)
+    {
+        return ['location'];
+    }
+
+    /**
+     * Defines the base query for this resource
+     *
+     * @param \Illuminate\Http\Request $request
+     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder
+     */
+    protected function baseQuery($request)
+    {
+        return Location::hasAccess($request->user())
+            ->orderBy('location')
+            ->select('id', 'location');
+    }
+}