nova updates

app/Nova/Course.php

@@ -2,55 +2,68 @@
 
 namespace App\Nova;
 
-use Laravel\Nova\Fields\ID;
 use Illuminate\Http\Request;
-use Laravel\Nova\Fields\Text;
 use Laravel\Nova\Fields\BelongsTo;
 use Laravel\Nova\Fields\BelongsToMany;
+use Laravel\Nova\Fields\Field;
+use Laravel\Nova\Fields\ID;
+use Laravel\Nova\Fields\Text;
+use Laravel\Nova\Http\Requests\NovaRequest;
+use ZiffMedia\NovaSelectPlus\SelectPlus;
 
 class Course extends Resource
 {
     /**
      * The model the resource corresponds to.
-     *
      * @var string
      */
     public static $model = \App\Models\Course::class;
 
     /**
      * The single value that should be used to represent the resource when being displayed.
-     *
      * @var string
      */
     public static $title = 'id';
 
     /**
      * The columns that should be searched.
-     *
      * @var array
      */
     public static $search = [
         'id',
     ];
 
+    public static function relatableLecturers(NovaRequest $request, $query, Field $field)
+    {
+        if ($field instanceof BelongsTo) {
+            $query->where('team_id', $request->user()->current_team_id);
+        }
+
+        return $query;
+    }
+
     /**
      * Get the fields displayed by the resource.
      *
      * @param  \Illuminate\Http\Request  $request
+     *
      * @return array
      */
     public function fields(Request $request)
     {
         return [
-            ID::make()->sortable(),
+            ID::make()
+              ->sortable(),
 
             Text::make('Name')
                 ->rules('required', 'string'),
 
             BelongsTo::make('Lecturer'),
 
-            BelongsToMany::make('Categories'),
+            SelectPlus::make('Categories', 'categories', Category::class)
+                      ->usingIndexLabel('name'),
 
+            BelongsToMany::make('Categories')->onlyOnDetail(),
 
         ];
     }
@@ -59,6 +72,7 @@ class Course extends Resource
      * Get the cards available for the request.
      *
      * @param  \Illuminate\Http\Request  $request
+     *
      * @return array
      */
     public function cards(Request $request)
@@ -70,6 +84,7 @@ class Course extends Resource
      * Get the filters available for the resource.
      *
      * @param  \Illuminate\Http\Request  $request
+     *
      * @return array
      */
     public function filters(Request $request)
@@ -81,6 +96,7 @@ class Course extends Resource
      * Get the lenses available for the resource.
      *
      * @param  \Illuminate\Http\Request  $request
+     *
      * @return array
      */
     public function lenses(Request $request)
@@ -92,6 +108,7 @@ class Course extends Resource
      * Get the actions available for the resource.
      *
      * @param  \Illuminate\Http\Request  $request
+     *
      * @return array
      */
     public function actions(Request $request)