feat: Add support for multiple resource for a nested model

feat: Add support for multiple resource for a nested model

README.md

@@ -39,7 +39,7 @@ Artist would be the root resource, the other would be child resources.
 Currently we support **one-to-many** and **polymoprhic one-to-many** relationships only.
 
 ### Demo Project
-To better understand how nested resources work and to troubleshoot any issues you might encounter, we've created a demo laravel project:  
+To better understand how nested resources work and to troubleshoot any issues you might encounter, we've created a demo laravel project:
 https://github.com/GuavaCZ/filament-nested-resources-demo
 
 ### Quick start
@@ -72,19 +72,19 @@ class ArtistResource extends Resource
             AlbumsRelationManager::class,
         ];
     }
-    
+
     public static function getPages(): array
     {
         return [
             'index' => Pages\ListArtists::route('/'),
             'create' => Pages\CreateArtist::route('/create'),
             'edit' => Pages\EditArtist::route('/{record}/edit'),
             'view' => Pages\ViewArtist::route('/{record}'),
-            
+
             // In case of relation page.
             // Make sure the name corresponds to the name of your actual relationship on the model.
             'albums' => Pages\ManageArtistAlbums::route('/{record}/albums'),
-            
+
             // Needed to create child records
             // The name should be '{relationshipName}.create':
             'albums.create' => Pages\CreateArtistAlbum::route('/{record}/albums/create'),
@@ -114,7 +114,7 @@ class AlbumResource extends Resource
             // Repeat the same for Song Resource
         ];
     }
-    
+
     public static function getAncestor() : ?Ancestor
     {
         // Configure the ancestor (parent) relationship here
@@ -147,7 +147,7 @@ use Guava\FilamentNestedResources\Concerns\NestedPage;
 class EditArtist extends EditRecord
 {
     use NestedPage;
-    
+
     //
 }
 ```
@@ -174,10 +174,12 @@ class CreateArtistAlbum extends CreateRelatedRecord
 {
     use NestedPage;
 
-    // This page also needs to know the ancestor relationship used (just like relation managers):    
+    // This page also needs to know the ancestor relationship used (just like relation managers):
     protected static string $relationship = 'albums';
 
-    //
+    // We can usually guess the nested resource, but if your app has multiple resources for this
+    // model, you will need to explicitly define it
+    // public static string $nestedResource = AlbumResource::class;
 }
 ```
 Don\`t forget to register the page in the `getPages` method.
@@ -192,7 +194,10 @@ use Guava\FilamentNestedResources\Concerns\NestedRelationManager;
 class AlbumsRelationManager extends RelationManager
 {
     use NestedRelationManager;
-    //
+
+    // We can usually guess the nested resource, but if your app has multiple resources for this
+    // model, you will need to explicitly define the it
+    // public static string $nestedResource = AlbumResource::class;
 }
 ```
 
@@ -218,7 +223,7 @@ Every resource can control their own part of the breadcrumb, which by default co
 
 The `index` breadcrumb typically redirects to the index page.
 
-The `detail` breadcrumb typically redirects to the detail (edit or view) and by default, will display the route key (ID if not configured otherwise) of the record. 
+The `detail` breadcrumb typically redirects to the detail (edit or view) and by default, will display the route key (ID if not configured otherwise) of the record.
 
 You can override the label via the `getBreadcrumbRecordLabel` method of a `NestedResource`:
 

src/Actions/NestedCreateAction.php

@@ -2,15 +2,15 @@
 
 namespace Guava\FilamentNestedResources\Actions;
 
-use Filament\Facades\Filament;
 use Filament\Tables\Actions\CreateAction;
 use Guava\FilamentNestedResources\Ancestor;
 
 trait NestedCreateAction
 {
     protected function configureCreateAction(CreateAction $action): void
     {
-        $resource = Filament::getModelResource($this->getRelationship()->getRelated());
+        $resource = $this->getNestedResource();
+
         /** @var Ancestor $ancestor */
         $ancestor = $resource::getAncestor();
 

src/Actions/NestedEditAction.php

@@ -13,7 +13,7 @@ protected function configureEditAction(Tables\Actions\EditAction $action): void
         parent::configureEditAction($action);
 
         $action->url(
-            fn (Model $record) => Filament::getModelResource($record)::getUrl(
+            fn (Model $record) => $this->getNestedResource($record)::getUrl(
                 'edit',
                 ['record' => $record],
             )

src/Actions/NestedViewAction.php

@@ -13,7 +13,7 @@ protected function configureViewAction(Tables\Actions\ViewAction $action): void
         parent::configureViewAction($action);
 
         $action->url(
-            fn (Model $record) => Filament::getModelResource($record)::getUrl(
+            fn (Model $record) => $this->getNestedResource($record)::getUrl(
                 'view',
                 ['record' => $record],
             )

src/Concerns/NestedRelationManager.php

@@ -2,13 +2,27 @@
 
 namespace Guava\FilamentNestedResources\Concerns;
 
-use Guava\FilamentNestedResources\Actions\NestedCreateAction;
+use Filament\Facades\Filament;
+use Illuminate\Database\Eloquent\Model;
 use Guava\FilamentNestedResources\Actions\NestedEditAction;
 use Guava\FilamentNestedResources\Actions\NestedViewAction;
+use Guava\FilamentNestedResources\Actions\NestedCreateAction;
 
+/**
+ * @property string $nestedResource
+ */
 trait NestedRelationManager
 {
     use NestedCreateAction;
     use NestedEditAction;
     use NestedViewAction;
+
+    public function getNestedResource(?Model $record = null): string
+    {
+        if (property_exists(static::class, 'nestedResource')) {
+            return static::$nestedResource;
+        }
+
+        return Filament::getModelResource($record ?? $this->getRelationship()->getRelated());
+    }
 }

src/Pages/CreateRelatedRecord.php

@@ -21,6 +21,9 @@
 
 use function Filament\Support\is_app_url;
 
+/**
+ * @property string $nestedResource
+ */
 class CreateRelatedRecord extends Page
 {
     use HasUnsavedDataChangesAlert;
@@ -81,7 +84,7 @@ public function getRecord(): Model
 
     protected function authorizeAccess(): void
     {
-        abort_unless(Filament::getModelResource($this->getRelation()->getRelated())::canCreate(), 403);
+        abort_unless($this->getNestedResource()::canCreate(), 403);
     }
 
     protected function fillForm(): void
@@ -180,7 +183,7 @@ protected function handleRecordCreation(array $data): Model
         }
 
         if (
-            Filament::getModelResource($record)::isScopedToTenant() &&
+            $this->getNestedResource($record)::isScopedToTenant() &&
             ($tenant = Filament::getTenant())
         ) {
             return $this->associateRecordWithTenant($record, $tenant);
@@ -206,7 +209,7 @@ protected function associateRecordWithParent(Model $record, Model $owner)
 
     protected function associateRecordWithTenant(Model $record, Model $tenant): Model
     {
-        $relationship = Filament::getModelResource($record)::getTenantRelationship($tenant);
+        $relationship = $this->getNestedResource($record)::getTenantRelationship($tenant);
 
         if ($relationship instanceof HasManyThrough) {
             $record->save();
@@ -281,7 +284,7 @@ public function form(Form $form): Form
      */
     protected function getForms(): array
     {
-        $resource = Filament::getModelResource($this->getRelation()->getRelated());
+        $resource = $this->getNestedResource();
 
         return [
             'form' => $this->form($resource::form(
@@ -300,6 +303,15 @@ public function getFormStatePath(): ?string
         return 'data';
     }
 
+    public function getNestedResource(?Model $record = null): string
+    {
+        if (property_exists(static::class, 'nestedResource')) {
+            return static::$nestedResource;
+        }
+
+        return Filament::getModelResource($record ?? $this->getRelation()->getRelated());
+    }
+
     public static function canCreateAnother(): bool
     {
         return static::$canCreateAnother;
@@ -312,7 +324,7 @@ public static function disableCreateAnother(): void
 
     protected function getRedirectUrl(): string
     {
-        $resource = Filament::getModelResource($this->getRecord());
+        $resource = $this->getNestedResource($this->getRecord());
 
         if ($resource::hasPage('view') && $resource::canView($this->getRecord())) {
             return $resource::getUrl('view', ['record' => $this->getRecord(), ...$this->getRedirectUrlParameters()]);