upgrade to filament v4

app/Filament/Resources/Branches/BranchResource.php

@@ -0,0 +1,93 @@
+<?php
+
+namespace App\Filament\Resources;
+
+use App\Filament\Resources\BranchResource\Pages;
+use App\Filament\Resources\BranchResource\RelationManagers\BalancesRelationManager;
+use App\Filament\Resources\BranchResource\RelationManagers\ExpenseRelationManager;
+use App\Models\Branch;
+use Filament\Forms\Components\Select;
+use Filament\Forms\Components\TextInput;
+use Filament\Forms\Form;
+use Filament\Resources\Resource;
+use Filament\Support\RawJs;
+use Filament\Tables;
+use Filament\Tables\Table;
+use Illuminate\Validation\Rules\Unique;
+
+class BranchResource extends Resource
+{
+    protected static ?string $model = Branch::class;
+
+    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';
+
+    protected static bool $shouldRegisterNavigation = false;
+
+    protected static ?string $recordTitleAttribute = 'code';
+
+    public static function form(Form $form): Form
+    {
+        return $form
+            ->schema([
+                Select::make('client_id')->relationship('client', 'id')
+                    ->getOptionLabelFromRecordUsing(fn ($record) => $record->company)
+                    ->disabled()
+                    ->columnSpan(2),
+
+                TextInput::make('code')->required()
+                    ->unique(
+                        'branches',
+                        'code',
+                        ignoreRecord: true,
+                        modifyRuleUsing: fn (Unique $rule) => $rule->where('client_id', app(static::getModel())->id)
+                    ),
+
+                TextInput::make('series')->label('Current Series')
+                    ->required()
+                    ->numeric()
+                    ->integer()
+                    ->maxLength(6)
+                    ->minLength(1)
+                    ->mask(RawJs::make(<<<'JS'
+                         '999999'
+                    JS)),
+            ]);
+    }
+
+    public static function table(Table $table): Table
+    {
+        return $table
+            ->columns([
+                //
+            ])
+            ->filters([
+                //
+            ])
+            ->actions([
+                Tables\Actions\EditAction::make(),
+            ])
+            ->bulkActions([
+                Tables\Actions\BulkActionGroup::make([
+                    Tables\Actions\DeleteBulkAction::make(),
+                ]),
+            ]);
+    }
+
+    public static function getRelations(): array
+    {
+        return [
+            //            AccountsRelationManager::make(),
+            BalancesRelationManager::make(),
+            ExpenseRelationManager::make(),
+        ];
+    }
+
+    public static function getPages(): array
+    {
+        return [
+            'index' => Pages\ListBranches::route('/'),
+            'create' => Pages\CreateBranch::route('/create'),
+            'edit' => Pages\EditBranch::route('/{record}/edit'),
+        ];
+    }
+}