allow to customize resource relations

app/Filament/Admin/Resources/ApiKeyResource.php

@@ -6,6 +6,7 @@ use App\Filament\Admin\Resources\ApiKeyResource\Pages;
 use App\Filament\Admin\Resources\UserResource\Pages\EditUser;
 use App\Filament\Components\Tables\Columns\DateTimeColumn;
 use App\Models\ApiKey;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Forms\Components\Fieldset;
 use Filament\Forms\Components\TagsInput;
 use Filament\Forms\Components\Textarea;
@@ -20,6 +21,8 @@ use Illuminate\Database\Eloquent\Builder;
 
 class ApiKeyResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = ApiKey::class;
 
     protected static ?string $navigationIcon = 'tabler-key';

app/Filament/Admin/Resources/DatabaseHostResource.php

@@ -3,7 +3,9 @@
 namespace App\Filament\Admin\Resources;
 
 use App\Filament\Admin\Resources\DatabaseHostResource\Pages;
+use App\Filament\Admin\Resources\DatabaseHostResource\RelationManagers;
 use App\Models\DatabaseHost;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Forms\Components\Section;
 use Filament\Forms\Components\Select;
 use Filament\Forms\Components\TextInput;
@@ -20,6 +22,8 @@ use Illuminate\Database\Eloquent\Builder;
 
 class DatabaseHostResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = DatabaseHost::class;
 
     protected static ?string $navigationIcon = 'tabler-database';
@@ -150,6 +154,13 @@ class DatabaseHostResource extends Resource
             ]);
     }
 
+    public static function getDefaultRelations(): array
+    {
+        return [
+            RelationManagers\DatabasesRelationManager::class,
+        ];
+    }
+
     public static function getPages(): array
     {
         return [

app/Filament/Admin/Resources/DatabaseHostResource/Pages/EditDatabaseHost.php

@@ -3,7 +3,6 @@
 namespace App\Filament\Admin\Resources\DatabaseHostResource\Pages;
 
 use App\Filament\Admin\Resources\DatabaseHostResource;
-use App\Filament\Admin\Resources\DatabaseHostResource\RelationManagers\DatabasesRelationManager;
 use App\Models\DatabaseHost;
 use App\Services\Databases\Hosts\HostUpdateService;
 use Filament\Actions\DeleteAction;
@@ -39,17 +38,6 @@ class EditDatabaseHost extends EditRecord
         return [];
     }
 
-    public function getRelationManagers(): array
-    {
-        if (DatabasesRelationManager::canViewForRecord($this->getRecord(), static::class)) {
-            return [
-                DatabasesRelationManager::class,
-            ];
-        }
-
-        return [];
-    }
-
     protected function handleRecordUpdate(Model $record, array $data): Model
     {
         if (!$record instanceof DatabaseHost) {

app/Filament/Admin/Resources/DatabaseHostResource/Pages/ViewDatabaseHost.php

@@ -3,7 +3,6 @@
 namespace App\Filament\Admin\Resources\DatabaseHostResource\Pages;
 
 use App\Filament\Admin\Resources\DatabaseHostResource;
-use App\Filament\Admin\Resources\DatabaseHostResource\RelationManagers\DatabasesRelationManager;
 use Filament\Actions\EditAction;
 use Filament\Resources\Pages\ViewRecord;
 
@@ -17,15 +16,4 @@ class ViewDatabaseHost extends ViewRecord
             EditAction::make(),
         ];
     }
-
-    public function getRelationManagers(): array
-    {
-        if (DatabasesRelationManager::canViewForRecord($this->getRecord(), static::class)) {
-            return [
-                DatabasesRelationManager::class,
-            ];
-        }
-
-        return [];
-    }
 }

app/Filament/Admin/Resources/EggResource.php

@@ -3,11 +3,15 @@
 namespace App\Filament\Admin\Resources;
 
 use App\Filament\Admin\Resources\EggResource\Pages;
+use App\Filament\Admin\Resources\EggResource\RelationManagers;
 use App\Models\Egg;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Resources\Resource;
 
 class EggResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = Egg::class;
 
     protected static ?string $navigationIcon = 'tabler-eggs';
@@ -44,6 +48,13 @@ class EggResource extends Resource
         return ['name', 'tags', 'uuid', 'id'];
     }
 
+    public static function getDefaultRelations(): array
+    {
+        return [
+            RelationManagers\ServersRelationManager::class,
+        ];
+    }
+
     public static function getPages(): array
     {
         return [

app/Filament/Admin/Resources/EggResource/Pages/EditEgg.php

@@ -4,7 +4,6 @@ namespace App\Filament\Admin\Resources\EggResource\Pages;
 
 use AbdelhamidErrahmouni\FilamentMonacoEditor\MonacoEditor;
 use App\Filament\Admin\Resources\EggResource;
-use App\Filament\Admin\Resources\EggResource\RelationManagers\ServersRelationManager;
 use App\Filament\Components\Actions\ExportEggAction;
 use App\Filament\Components\Actions\ImportEggAction;
 use App\Filament\Components\Forms\Fields\CopyFrom;
@@ -273,11 +272,4 @@ class EditEgg extends EditRecord
     {
         return [];
     }
-
-    public function getRelationManagers(): array
-    {
-        return [
-            ServersRelationManager::class,
-        ];
-    }
 }

app/Filament/Admin/Resources/MountResource.php

@@ -4,6 +4,7 @@ namespace App\Filament\Admin\Resources;
 
 use App\Filament\Admin\Resources\MountResource\Pages;
 use App\Models\Mount;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Forms\Components\Group;
 use Filament\Forms\Components\Section;
 use Filament\Forms\Components\Select;
@@ -22,6 +23,8 @@ use Illuminate\Database\Eloquent\Builder;
 
 class MountResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = Mount::class;
 
     protected static ?string $navigationIcon = 'tabler-layers-linked';

app/Filament/Admin/Resources/NodeResource.php

@@ -5,11 +5,14 @@ namespace App\Filament\Admin\Resources;
 use App\Filament\Admin\Resources\NodeResource\Pages;
 use App\Filament\Admin\Resources\NodeResource\RelationManagers;
 use App\Models\Node;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Resources\Resource;
 use Illuminate\Database\Eloquent\Builder;
 
 class NodeResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = Node::class;
 
     protected static ?string $navigationIcon = 'tabler-server-2';
@@ -41,7 +44,7 @@ class NodeResource extends Resource
         return (string) static::getEloquentQuery()->count() ?: null;
     }
 
-    public static function getRelations(): array
+    public static function getDefaultRelations(): array
     {
         return [
             RelationManagers\AllocationsRelationManager::class,

app/Filament/Admin/Resources/RoleResource.php

@@ -4,6 +4,7 @@ namespace App\Filament\Admin\Resources;
 
 use App\Filament\Admin\Resources\RoleResource\Pages;
 use App\Models\Role;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Forms\Components\Actions\Action;
 use Filament\Forms\Components\CheckboxList;
 use Filament\Forms\Components\Component;
@@ -26,6 +27,8 @@ use Spatie\Permission\Contracts\Permission;
 
 class RoleResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = Role::class;
 
     protected static ?string $navigationIcon = 'tabler-users-group';

app/Filament/Admin/Resources/ServerResource.php

@@ -3,8 +3,10 @@
 namespace App\Filament\Admin\Resources;
 
 use App\Filament\Admin\Resources\ServerResource\Pages;
+use App\Filament\Admin\Resources\ServerResource\RelationManagers;
 use App\Models\Mount;
 use App\Models\Server;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Forms\Components\CheckboxList;
 use Filament\Forms\Get;
 use Filament\Resources\Resource;
@@ -12,6 +14,8 @@ use Illuminate\Database\Eloquent\Builder;
 
 class ServerResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = Server::class;
 
     protected static ?string $navigationIcon = 'tabler-brand-docker';
@@ -66,6 +70,13 @@ class ServerResource extends Resource
             ->columnSpanFull();
     }
 
+    public static function getDefaultRelations(): array
+    {
+        return [
+            RelationManagers\AllocationsRelationManager::class,
+        ];
+    }
+
     public static function getPages(): array
     {
         return [

app/Filament/Admin/Resources/ServerResource/Pages/EditServer.php

@@ -5,7 +5,6 @@ namespace App\Filament\Admin\Resources\ServerResource\Pages;
 use AbdelhamidErrahmouni\FilamentMonacoEditor\MonacoEditor;
 use App\Enums\SuspendAction;
 use App\Filament\Admin\Resources\ServerResource;
-use App\Filament\Admin\Resources\ServerResource\RelationManagers\AllocationsRelationManager;
 use App\Filament\Components\Forms\Actions\PreviewStartupAction;
 use App\Filament\Components\Forms\Actions\RotateDatabasePasswordAction;
 use App\Filament\Server\Pages\Console;
@@ -1136,13 +1135,6 @@ class EditServer extends EditRecord
         return null;
     }
 
-    public function getRelationManagers(): array
-    {
-        return [
-            AllocationsRelationManager::class,
-        ];
-    }
-
     private function shouldHideComponent(ServerVariable $serverVariable, Forms\Components\Component $component): bool
     {
         $containsRuleIn = array_first($serverVariable->variable->rules, fn ($value) => str($value)->startsWith('in:'), false);

app/Filament/Admin/Resources/UserResource.php

@@ -6,6 +6,7 @@ use App\Filament\Admin\Resources\UserResource\Pages;
 use App\Filament\Admin\Resources\UserResource\RelationManagers;
 use App\Models\Role;
 use App\Models\User;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Facades\Filament;
 use Filament\Forms\Components\CheckboxList;
 use Filament\Forms\Components\TextInput;
@@ -22,6 +23,8 @@ use Illuminate\Database\Eloquent\Builder;
 
 class UserResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = User::class;
 
     protected static ?string $navigationIcon = 'tabler-users';
@@ -146,7 +149,7 @@ class UserResource extends Resource
             ]);
     }
 
-    public static function getRelations(): array
+    public static function getDefaultRelations(): array
     {
         return [
             RelationManagers\ServersRelationManager::class,

app/Filament/Admin/Resources/WebhookResource.php

@@ -4,6 +4,7 @@ namespace App\Filament\Admin\Resources;
 
 use App\Filament\Admin\Resources\WebhookResource\Pages;
 use App\Models\WebhookConfiguration;
+use App\Traits\Filament\CanCustomizeRelations;
 use Filament\Forms\Components\CheckboxList;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Form;
@@ -18,6 +19,8 @@ use Filament\Tables\Table;
 
 class WebhookResource extends Resource
 {
+    use CanCustomizeRelations;
+
     protected static ?string $model = WebhookConfiguration::class;
 
     protected static ?string $navigationIcon = 'tabler-webhook';

app/Traits/Filament/CanCustomizeRelations.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Traits\Filament;
+
+use Filament\Resources\RelationManagers\RelationManager;
+
+trait CanCustomizeRelations
+{
+    /** @var array<class-string<RelationManager>> */
+    protected static array $customRelations = [];
+
+    /** @param class-string<RelationManager>[] $customRelations */
+    public static function registerCustomRelations(string ...$customRelations): void
+    {
+        static::$customRelations = array_merge(static::$customRelations, $customRelations);
+    }
+
+    /**
+     * @return class-string<RelationManager>[]
+     */
+    public static function getDefaultRelations(): array
+    {
+        return [];
+    }
+
+    /**
+     * @return class-string<RelationManager>[]
+     */
+    public static function getRelations(): array
+    {
+        return array_unique(array_merge(static::getDefaultRelations(), static::$customRelations));
+    }
+}