Add location delete support

app/Http/Controllers/Admin/LocationsController.php

@@ -27,9 +27,28 @@ class LocationsController extends Controller
         ]);
     }
 
-    public function postView(Request $request)
+    public function deleteLocation(Request $request, $id)
     {
-        $location = Models\Location::findOrFail($request->input('location_id'));
+        $model = Models\Location::select(
+            'locations.id',
+            DB::raw('(SELECT COUNT(*) FROM nodes WHERE nodes.location = locations.id) as a_nodeCount'),
+            DB::raw('(SELECT COUNT(*) FROM servers WHERE servers.node IN (SELECT nodes.id FROM nodes WHERE nodes.location = locations.id)) as a_serverCount')
+        )->where('id', $id)->first();
+
+        if (!$model) {
+            return response()->json([
+                'error' => 'No location with that ID exists on the system.'
+            ], 404);
+        }
+
+        if ($model->a_nodeCount > 0 || $model->a_serverCount > 0) {
+            return response()->json([
+                'error' => 'You cannot remove a location that is currently assigned to a node or server.'
+            ], 422);
+        }
+
+        $model->delete();
+        return response('', 204);
     }
 
 }

app/Http/Routes/AdminRoutes.php

@@ -216,6 +216,9 @@ class AdminRoutes {
                 'as' => 'admin.locations',
                 'uses' => 'Admin\LocationsController@getIndex'
             ]);
+            $router->delete('/{id}', [
+                'uses' => 'Admin\LocationsController@deleteLocation'
+            ]);
         });
 
         // API Routes

resources/views/admin/locations/index.blade.php

@@ -18,15 +18,19 @@
                 <th>Description</th>
                 <th class="text-center">Nodes</th>
                 <th class="text-center">Servers</th>
+                <th class="text-center"></th>
+                <th class="text-center"></th>
             </tr>
         </thead>
         <tbody>
             @foreach ($locations as $location)
                 <tr>
-                    <td><a href="#/edit/{{ $location->id }}" data-action="edit" data-location="{{ $location->id }}"><code>{{ $location->short }}</code></td>
+                    <td><code>{{ $location->short }}</code></td>
                     <td>{{ $location->long }}</td>
                     <td class="text-center">{{ $location->a_nodeCount }}</td>
                     <td class="text-center">{{ $location->a_serverCount }}</td>
+                    <td class="text-center"><a href="#edit"><i class="fa fa-wrench" data-action="edit" data-id="{{ $location->id }}" data-short="{{ $location->short }}" data-long="{{ $location->long }}"></i></a></td>
+                    <td class="text-center"><a href="#delete" class="text-danger" data-action="delete" data-id="{{ $location->id }}"><i class="fa fa-trash-o"></i></a></td>
                 </tr>
             @endforeach
         </tbody>
@@ -34,10 +38,51 @@
     <div class="row">
         <div class="col-md-12 text-center">{!! $locations->render() !!}</div>
     </div>
+    <div class="well">
+        <div class="row">
+            <div class="col-md-12">
+                <button class="btn btn-sm btn-success" id="addNewLocation">Add New Location</button>
+            </div>
+        </div>
+    </div>
 </div>
 <script>
 $(document).ready(function () {
     $('#sidebar_links').find("a[href='/admin/locations']").addClass('active');
+    $('[data-action="delete"]').click(function (event) {
+        event.preventDefault();
+        var self = $(this);
+        swal({
+            type: 'warning',
+            title: '',
+            text: 'Do you really want to delete this location?',
+            showCancelButton: true,
+            closeOnConfirm: false,
+            showLoaderOnConfirm: true
+        }, function () {
+            $.ajax({
+                method: 'DELETE',
+                url: '{{ route('admin.locations') }}/' + self.data('id'),
+                headers: {
+                    'X-CSRF-TOKEN': '{{ csrf_token() }}'
+                }
+            }).done(function () {
+                swal({
+                    type: 'success',
+                    title: '',
+                    text: 'Location was successfully deleted.'
+                });
+                self.parent().parent().slideUp();
+            }).fail(function (jqXHR) {
+                console.error(jqXHR);
+                swal({
+                    type: 'error',
+                    title: 'Whoops!',
+                    text: (typeof jqXHR.responseJSON !== 'undefined') ? jqXHR.responseJSON.error : 'An error occured while processing this request.'
+                });
+            });
+        });
+    });
 });
 </script>
 @endsection