upgrade to filament v4

app/Filament/Resources/Branches/Pages/CreateBranch.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Filament\Resources\BranchResource\Pages;
+
+use App\Filament\Resources\BranchResource;
+use Filament\Actions;
+use Filament\Resources\Pages\CreateRecord;
+
+class CreateBranch extends CreateRecord
+{
+    protected static string $resource = BranchResource::class;
+}

app/Filament/Resources/Branches/Pages/EditBranch.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Filament\Resources\BranchResource\Pages;
+
+use App\Filament\Resources\BranchResource;
+use App\Filament\Resources\ClientResource;
+use Filament\Actions;
+use Filament\Resources\Pages\EditRecord;
+use Illuminate\Database\Eloquent\Model;
+
+class EditBranch extends EditRecord
+{
+    protected static string $resource = BranchResource::class;
+
+    public function mutateFormDataBeforeFill(array $data): array
+    {
+        $data['series'] = $this->getRecord()->current_series;
+
+        return $data;
+    }
+
+    public function handleRecordUpdate(Model $record, array $data): Model
+    {
+        $data['client_id'] = $record->client_id;
+        $data['id'] = $record->id;
+
+        return ClientResource::saveBranch($data);
+    }
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\DeleteAction::make(),
+        ];
+    }
+}

app/Filament/Resources/Branches/Pages/ListBranches.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Filament\Resources\BranchResource\Pages;
+
+use App\Filament\Resources\BranchResource;
+use Filament\Actions;
+use Filament\Resources\Pages\ListRecords;
+
+class ListBranches extends ListRecords
+{
+    protected static string $resource = BranchResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\CreateAction::make(),
+        ];
+    }
+}