Đóng gói cuối tuần

app/Enums/NavigationGroup.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Enums;
+
+enum NavigationGroup: string
+{
+    case PROJECT = 'Quản lý Dự án';
+    case WAREHOUSE = 'Quản lý Kho';
+    case CUSTOMER = 'Quản lý Khách hàng';
+    case TRANSACTION = 'Quản lý Giao dịch';
+    case FINANCE = 'Quản lý Dòng tiền';
+    case SETTING = 'Cấu hình Hệ thống';
+
+    public function getLabel(): string
+    {
+        return $this->value;
+    }
+}

app/Enums/PaymentType.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Enums;
+
+enum PaymentType: string
+{
+    case QSDD = 'QSDD';
+    case MONG = 'MONG';
+    case THAN = 'THAN';
+    case CHI_PHI_TC = 'CHI_PHI_TC';
+    case CK = 'CK';
+    case PHAT = 'PHAT';
+    case OTHER = 'OTHER';
+
+    public function getLabel(): string
+    {
+        return match($this) {
+            self::QSDD => 'Tiền QSDĐ',
+            self::MONG => 'Tiền Móng',
+            self::THAN => 'Tiền Thân',
+            self::CHI_PHI_TC => 'Chi phí thi công',
+            self::CK => 'Chiết khấu',
+            self::PHAT => 'Tiền phạt',
+            self::OTHER => 'Khác',
+        };
+    }
+}

app/Enums/ProductType.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Enums;
+
+enum ProductType: string
+{
+    case LAND = 'LAND';
+    case APARTMENT = 'APARTMENT';
+    case SHOPHOUSE = 'SHOPHOUSE';
+    case OFFICE = 'OFFICE';
+    case CONDOTEL = 'CONDOTEL';
+    case VILLA = 'VILLA';
+
+    public function getLabel(): string
+    {
+        return match($this) {
+            self::LAND => 'Đất nền',
+            self::APARTMENT => 'Căn hộ',
+            self::SHOPHOUSE => 'Shophouse',
+            self::OFFICE => 'Văn phòng',
+            self::CONDOTEL => 'Condotel',
+            self::VILLA => 'Biệt thự',
+        };
+    }
+}

app/Filament/Resources/Contracts/ContractResource.php

@@ -4,6 +4,9 @@ namespace App\Filament\Resources\Contracts;
 
 use App\Filament\Resources\Contracts\Pages;
 use App\Models\Contract;
+use App\Models\Product;
+use App\Models\PaymentTemplate;
+use App\Enums\NavigationGroup;
 use Filament\Forms\Components\Select;
 use Filament\Forms\Components\TextInput;
 use Filament\Forms\Components\DatePicker;
@@ -12,40 +15,38 @@ use Filament\Schemas\Schema;
 use Filament\Resources\Resource;
 use Filament\Tables;
 use Filament\Tables\Table;
+use Filament\Schemas\Components\Utilities\Get;
+use App\Filament\Resources\Contracts\ContractResource\RelationManagers\ScheduleItemsRelationManager;
 
 class ContractResource extends Resource
 {
     protected static ?string $model = Contract::class;
     protected static string | \BackedEnum | null $navigationIcon = 'heroicon-o-document-text';
-    protected static string | \UnitEnum | null $navigationGroup = 'Quản lý Giao dịch';
+    protected static string | \UnitEnum | null $navigationGroup = NavigationGroup::TRANSACTION->value;
+    protected static ?int $navigationSort = 4;
+
+    protected static ?string $modelLabel = 'Hợp đồng';
+    protected static ?string $pluralModelLabel = 'Hợp đồng';
 
     public static function form(Schema $schema): Schema
     {
         return $schema
             ->components([
-                Section::make('Thông tin Liên kết')
+                Section::make('Liên kết & Mẫu thanh toán')
                     ->columns(2)
                     ->schema([
-                        Select::make('product_id')->label('Mã Sản phẩm')->relationship('product', 'code')->searchable()->preload()->required(),
-                        Select::make('customers')->label('Khách hàng')->relationship('customers', 'full_name')->multiple()->searchable()->preload()->required(),
+                        Select::make('product_id')->label('Sản phẩm')->relationship('product', 'code')->required()->live(),
+                        Select::make('payment_template_id')->label('Mẫu thanh toán')
+                            ->options(fn (Get $get) => PaymentTemplate::pluck('name', 'id'))
+                            ->required()->dehydrated(false),
+                        Select::make('customers')->label('Khách hàng')->relationship('customers', 'full_name')->multiple()->required()->columnSpanFull(),
                     ]),
                 Section::make('Chi tiết Hợp đồng')
                     ->columns(2)
                     ->schema([
-                        TextInput::make('contract_number')->label('Số Hợp đồng')->required()->unique(ignoreRecord: true),
-                        Select::make('contract_type')->label('Loại Hợp đồng')->options(['HĐMB' => 'HĐ Mua bán', 'HĐĐC' => 'HĐ Đặt cọc', 'HĐGV' => 'HĐ Góp vốn', 'VBCN' => 'VBCN'])->default('HĐMB'),
-                        DatePicker::make('signing_date')->label('Ngày ký')->displayFormat('d/m/Y'),
-                        TextInput::make('transfer_order')->label('Thứ tự chuyển nhượng')->numeric()->default(0),
-                        Select::make('status')->label('Trạng thái')
-                            ->options(['Đang hiệu lực' => 'Đang hiệu lực', 'Đã thanh lý' => 'Đã thanh lý', 'Đã chuyển nhượng' => 'Đã chuyển nhượng'])
-                            ->default('Đang hiệu lực'),
-                    ]),
-                Section::make('Tài chính')
-                    ->columns(2)
-                    ->schema([
-                        TextInput::make('total_value')->label('Tổng giá trị (VND)')->numeric()->required(),
-                        TextInput::make('paid_amount')->label('Đã thanh toán (VND)')->numeric()->default(0),
-                    ]),
+                        TextInput::make('contract_number')->label('Số HĐ')->required(),
+                        DatePicker::make('signing_date')->label('Ngày ký')->required(),
+                    ])
             ]);
     }
 
@@ -54,23 +55,13 @@ class ContractResource extends Resource
         return $table
             ->columns([
                 Tables\Columns\TextColumn::make('contract_number')->label('Số HĐ')->searchable(),
-                Tables\Columns\TextColumn::make('contract_type')->label('Loại HĐ')->badge(),
-                Tables\Columns\TextColumn::make('product.code')->label('Mã SP')->searchable(),
-                Tables\Columns\TextColumn::make('customers.full_name')->label('Khách hàng')->badge(),
-                Tables\Columns\TextColumn::make('status')->label('Trạng thái')
-                    ->color(fn (string $state): string => match ($state) {
-                        'Đang hiệu lực' => 'success',
-                        'Đã thanh lý' => 'warning',
-                        'Đã chuyển nhượng' => 'gray',
-                        default => 'gray',
-                    })->badge(),
-                Tables\Columns\TextColumn::make('total_value')->label('Tổng giá trị')->money('VND'),
-                Tables\Columns\TextColumn::make('paid_amount')->label('Đã TT')->money('VND'),
-                Tables\Columns\TextColumn::make('remaining_amount')->label('Còn lại')->money('VND')->color('danger'),
-            ])
-            ->defaultSort('created_at', 'desc');
+                Tables\Columns\TextColumn::make('product.code')->label('Sản phẩm'),
+                Tables\Columns\TextColumn::make('total_value')->label('Giá trị')->money('VND'),
+            ]);
     }
 
+    public static function getRelations(): array { return [ScheduleItemsRelationManager::class]; }
+
     public static function getPages(): array
     {
         return [

app/Filament/Resources/Contracts/ContractResource/RelationManagers/ScheduleItemsRelationManager.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Filament\Resources\Contracts\ContractResource\RelationManagers;
+
+use Filament\Resources\RelationManagers\RelationManager;
+use Filament\Tables;
+use Filament\Tables\Table;
+use Filament\Tables\Columns\TextColumn;
+use Filament\Actions\ViewAction;
+use Filament\Actions\EditAction;
+use Filament\Schemas\Schema;
+use Filament\Schemas\Components\Section;
+use Filament\Forms\Components\TextInput;
+use Filament\Forms\Components\DatePicker;
+use Filament\Forms\Components\Placeholder;
+
+class ScheduleItemsRelationManager extends RelationManager
+{
+    protected static string $relationship = 'scheduleItems';
+
+    protected static ?string $title = 'Lịch thanh toán thực tế';
+
+    protected static ?string $modelLabel = 'Đợt thanh toán';
+    protected static ?string $pluralModelLabel = 'Đợt thanh toán';
+
+    public function form(Schema $schema): Schema
+    {
+        return $schema
+            ->components([
+                Section::make('Chi tiết đợt thanh toán')
+                    ->columns(2)
+                    ->schema([
+                        Placeholder::make('installment_no')->label('Đợt số')->content(fn ($record) => $record->installment_no),
+                        Placeholder::make('type')->label('Loại đợt')->content(fn ($record) => $record->type?->getLabel()),
+                        TextInput::make('amount')->label('Số tiền (VND)')->numeric()->required(),
+                        DatePicker::make('due_date')->label('Ngày đến hạn')->required(),
+                    ]),
+            ]);
+    }
+
+    public function table(Table $table): Table
+    {
+        return $table
+            ->columns([
+                TextColumn::make('installment_no')->label('Đợt')->badge(),
+                TextColumn::make('type')->label('Loại')->badge(),
+                TextColumn::make('amount')->label('Số tiền dự kiến')->money('VND'),
+                TextColumn::make('due_date')->label('Hạn thanh toán')->date('d/m/Y'),
+            ])
+            ->defaultSort('installment_no', 'asc')
+            ->actions([
+                ViewAction::make(),
+                EditAction::make(),
+            ]);
+    }
+}

app/Filament/Resources/Contracts/Pages/CreateContract.php

@@ -3,9 +3,59 @@
 namespace App\Filament\Resources\Contracts\Pages;
 
 use App\Filament\Resources\Contracts\ContractResource;
+use App\Models\PaymentTemplate;
+use App\Models\PaymentSchedule;
+use App\Models\PaymentScheduleItem;
 use Filament\Resources\Pages\CreateRecord;
+use Carbon\Carbon;
 
 class CreateContract extends CreateRecord
 {
     protected static string $resource = ContractResource::class;
+
+    protected function afterCreate(): void
+    {
+        $contract = $this->record;
+        $templateId = $this->data['payment_template_id'] ?? null;
+
+        if ($templateId) {
+            $template = PaymentTemplate::find($templateId);
+            
+            // 1. Tạo Schedule cho Hợp đồng
+            $schedule = PaymentSchedule::create([
+                'contract_id' => $contract->id,
+                'template_id' => $template->id,
+            ]);
+
+            // 2. Clone từng Item từ Template sang Schedule thực tế
+            $items = $template->items()->orderBy('installment_no')->get();
+            $lastDueDate = Carbon::parse($contract->signing_date);
+
+            foreach ($items as $item) {
+                $dueDate = null;
+
+                // Logic tính ngày đến hạn chuẩn v5.5
+                if ($item->days_after_signing !== null) {
+                    $dueDate = Carbon::parse($contract->signing_date)->addDays($item->days_after_signing);
+                } elseif ($item->days_after_previous !== null) {
+                    $dueDate = $lastDueDate->copy()->addDays($item->days_after_previous);
+                } elseif ($item->due_date !== null) {
+                    $dueDate = $item->due_date;
+                }
+
+                PaymentScheduleItem::create([
+                    'schedule_id' => $schedule->id,
+                    'installment_no' => $item->installment_no,
+                    'type' => $item->type,
+                    'percentage' => $item->percentage,
+                    'amount' => $contract->total_value * ($item->percentage / 100),
+                    'due_date' => $dueDate,
+                ]);
+
+                if ($dueDate) {
+                    $lastDueDate = $dueDate;
+                }
+            }
+        }
+    }
 }

app/Filament/Resources/Customers/CustomerResource.php

@@ -13,11 +13,14 @@ use Filament\Resources\Resource;
 use Filament\Tables;
 use Filament\Tables\Table;
 
+use App\Enums\NavigationGroup;
+
 class CustomerResource extends Resource
 {
     protected static ?string $model = Customer::class;
     protected static string | \BackedEnum | null $navigationIcon = 'heroicon-o-users';
-    protected static string | \UnitEnum | null $navigationGroup = 'Quản lý Khách hàng';
+    protected static string | \UnitEnum | null $navigationGroup = NavigationGroup::CUSTOMER->value;
+    protected static ?int $navigationSort = 3;
 
     public static function form(Schema $schema): Schema
     {

app/Filament/Resources/PaymentTemplateResource.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace App\Filament\Resources;
+
+use App\Filament\Resources\PaymentTemplateResource\Pages;
+use App\Models\PaymentTemplate;
+use App\Enums\NavigationGroup;
+use App\Enums\PaymentType;
+use Filament\Forms\Components\Select;
+use Filament\Forms\Components\TextInput;
+use Filament\Forms\Components\Toggle;
+use Filament\Forms\Components\Repeater;
+use Filament\Schemas\Components\Section;
+use Filament\Schemas\Schema;
+use Filament\Resources\Resource;
+use Filament\Tables;
+use Filament\Tables\Table;
+
+class PaymentTemplateResource extends Resource
+{
+    protected static ?string $model = PaymentTemplate::class;
+    protected static string | \BackedEnum | null $navigationIcon = 'heroicon-o-table-cells';
+    protected static string | \UnitEnum | null $navigationGroup = NavigationGroup::FINANCE->value;
+    protected static ?int $navigationSort = 1;
+
+    protected static ?string $modelLabel = 'Mẫu thanh toán';
+    protected static ?string $pluralModelLabel = 'Mẫu thanh toán';
+
+    public static function form(Schema $schema): Schema
+    {
+        return $schema
+            ->components([
+                Section::make('Thông tin mẫu')
+                    ->columns(2)
+                    ->schema([
+                        Select::make('project_id')->label('Dự án')->relationship('project', 'name')->required(),
+                        TextInput::make('name')->label('Tên mẫu')->required(),
+                    ]),
+                Section::make('Chi tiết đợt')
+                    ->schema([
+                        Repeater::make('items')
+                            ->label('Danh sách đợt')
+                            ->relationship('items')
+                            ->schema([
+                                TextInput::make('installment_no')->label('Đợt')->numeric()->required(),
+                                Select::make('type')->label('Loại')->options(PaymentType::class)->required(),
+                                TextInput::make('percentage')->label('%')->numeric()->required(),
+                            ])->columns(3),
+                    ])
+            ]);
+    }
+
+    public static function table(Table $table): Table
+    {
+        return $table
+            ->columns([
+                Tables\Columns\TextColumn::make('project.name')->label('Dự án'),
+                Tables\Columns\TextColumn::make('name')->label('Tên mẫu'),
+            ]);
+    }
+
+    public static function getPages(): array
+    {
+        return [
+            'index' => Pages\ListPaymentTemplates::route('/'),
+            'create' => Pages\CreatePaymentTemplate::route('/create'),
+            'edit' => Pages\EditPaymentTemplate::route('/{record}/edit'),
+        ];
+    }
+}

app/Filament/Resources/PaymentTemplateResource/Pages/CreatePaymentTemplate.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Filament\Resources\PaymentTemplateResource\Pages;
+
+use App\Filament\Resources\PaymentTemplateResource;
+use Filament\Resources\Pages\CreateRecord;
+
+class CreatePaymentTemplate extends CreateRecord
+{
+    protected static string $resource = PaymentTemplateResource::class;
+}

app/Filament/Resources/PaymentTemplateResource/Pages/EditPaymentTemplate.php

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

app/Filament/Resources/PaymentTemplateResource/Pages/ListPaymentTemplates.php

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

app/Filament/Resources/Products/ProductResource.php

@@ -4,10 +4,14 @@ namespace App\Filament\Resources\Products;
 
 use App\Filament\Resources\Products\Pages;
 use App\Models\Product;
+use App\Enums\ProductType;
+use App\Enums\NavigationGroup;
 use Filament\Forms\Components\Select;
 use Filament\Forms\Components\TextInput;
+use Filament\Forms\Components\Repeater;
 use Filament\Schemas\Components\Utilities\Get;
 use Filament\Schemas\Components\Section;
+use Filament\Schemas\Components\Tabs;
 use App\Filament\Resources\Products\ProductResource\RelationManagers\ContractsRelationManager;
 use Filament\Schemas\Schema;
 use Filament\Resources\Resource;
@@ -18,72 +22,38 @@ class ProductResource extends Resource
 {
     protected static ?string $model = Product::class;
     protected static string | \BackedEnum | null $navigationIcon = 'heroicon-o-squares-2x2';
-    protected static string | \UnitEnum | null $navigationGroup = 'Quản lý kho';
+    protected static string | \UnitEnum | null $navigationGroup = NavigationGroup::WAREHOUSE->value;
+    protected static ?int $navigationSort = 2;
+
+    protected static ?string $modelLabel = 'Sản phẩm';
+    protected static ?string $pluralModelLabel = 'Sản phẩm';
 
     public static function form(Schema $schema): Schema
     {
         return $schema
             ->components([
-                Section::make('Liên kết Dự án & Phân loại')
-                    ->columns(2)
-                    ->schema([
-                        Select::make('project_id')
-                            ->label('Thuộc Dự án')
-                            ->relationship('project', 'name')
-                            ->searchable()->preload()->required(),
-                        Select::make('product_type')
-                            ->label('Loại sản phẩm')
-                            ->options([
-                                'LAND' => 'Đất nền',
-                                'APARTMENT' => 'Căn hộ chung cư',
-                                'SHOPHOUSE' => 'Shophouse',
-                            ])->required()->live(),
-                    ]),
-
-                Section::make('Thông tin định danh & Diện tích')
-                    ->columns(3)
-                    ->schema([
-                        TextInput::make('code')->label('Mã Sản Phẩm')->required()->unique(ignoreRecord: true),
-                        TextInput::make('area')->label('Diện tích (m2)')->numeric()->required()->live(onBlur: true)
-                            ->afterStateUpdated(function (Get $get, $state, $set) {
-                                $price = (float) $get('price_per_unit');
-                                if ($state && $price) $set('total_price', (float) $state * $price);
-                            }),
-                        Select::make('red_book_status')->label('Sổ đỏ')
-                            ->options(['Chưa có dữ liệu' => 'Chưa có dữ liệu', 'Đã có sổ' => 'Đã có sổ', 'Đang chờ sổ' => 'Đang chờ sổ'])
-                            ->default('Chưa có dữ liệu'),
-                    ]),
-
-                Section::make('Thông tin Tài chính')
-                    ->columns(2)
-                    ->schema([
-                        TextInput::make('price_per_unit')->label('Đơn giá (VND/m2)')->numeric()->live(onBlur: true)
-                            ->afterStateUpdated(function (Get $get, $state, $set) {
-                                $area = (float) $get('area');
-                                if ($state && $area) $set('total_price', (float) $state * $area);
-                            }),
-                        TextInput::make('total_price')->label('Tổng giá trị niêm yết')->numeric()->required(),
-                    ]),
-
-                Section::make('Thông tin chi tiết')
-                    ->columns(2)
-                    ->schema([
-                        TextInput::make('custom_data.block')->label('Block/Tòa')->visible(fn (Get $get) => $get('product_type') === 'APARTMENT'),
-                        TextInput::make('custom_data.floor')->label('Tầng')->numeric()->visible(fn (Get $get) => $get('product_type') === 'APARTMENT'),
-                        TextInput::make('custom_data.view')->label('Hướng View')->visible(fn (Get $get) => $get('product_type') === 'APARTMENT'),
-                        TextInput::make('custom_data.road_width')->label('Đường (m)')->visible(fn (Get $get) => in_array($get('product_type'), ['LAND', 'SHOPHOUSE'])),
-                        TextInput::make('custom_data.frontage')->label('Số mặt tiền')->numeric()->visible(fn (Get $get) => in_array($get('product_type'), ['LAND', 'SHOPHOUSE'])),
-                    ]),
-
-                Section::make('Trạng thái kinh doanh')
-                    ->schema([
-                        Select::make('status')
-                            ->label('Tình trạng rổ hàng')
-                            ->options(['Đang mở bán' => 'Đang mở bán', 'Đã giữ chỗ' => 'Đã giữ chỗ', 'Đã cọc' => 'Đã cọc', 'Đã bán' => 'Đã bán', 'Tạm khóa' => 'Tạm khóa'])
-                            ->default('Đang mở bán')->required(),
-                    ]),
-                
-                // Đã loại bỏ phần Lịch sử Giao dịch nhúng thủ công tại đây để tránh trùng lặp
+                Tabs::make('ProductDetails')
+                    ->tabs([
+                        Tabs\Tab::make('Thông tin chung')
+                            ->icon('heroicon-o-information-circle')
+                            ->columns(2)
+                            ->schema([
+                                Select::make('project_id')->label('Dự án')->relationship('project', 'name')->required(),
+                                Select::make('product_type')->label('Loại sản phẩm')->options(ProductType::class)->required(),
+                                TextInput::make('code')->label('Mã SP')->required()->unique(ignoreRecord: true),
+                                Select::make('status')
+                                    ->label('Trạng thái')
+                                    ->options(['Đang mở bán' => 'Đang mở bán', 'Đã cọc' => 'Đã cọc', 'Đã bán' => 'Đã bán'])
+                                    ->required(),
+                            ]),
+                        Tabs\Tab::make('Tài chính')
+                            ->icon('heroicon-o-currency-dollar')
+                            ->schema([
+                                TextInput::make('area')->label('Diện tích (m2)')->numeric()->required(),
+                                TextInput::make('price_per_unit')->label('Đơn giá')->numeric()->required(),
+                                TextInput::make('total_price')->label('Tổng giá')->numeric()->required(),
+                            ]),
+                    ])->columnSpanFull()
             ]);
     }
 
@@ -91,26 +61,15 @@ class ProductResource extends Resource
     {
         return $table
             ->columns([
-                Tables\Columns\TextColumn::make('project.name')->label('Dự án')->sortable()->searchable(),
-                Tables\Columns\TextColumn::make('code')->label('Mã SP')->searchable()->sortable(),
-                Tables\Columns\TextColumn::make('contracts_count')->label('Số HĐ')->counts('contracts')->badge()->color('info'),
+                Tables\Columns\TextColumn::make('project.code')->label('Dự án'),
+                Tables\Columns\TextColumn::make('code')->label('Mã SP')->searchable(),
                 Tables\Columns\TextColumn::make('product_type')->label('Loại')->badge(),
-                Tables\Columns\TextColumn::make('total_price')->label('Giá niêm yết')->money('VND')->sortable(),
-                Tables\Columns\SelectColumn::make('status')->label('Trạng thái')
-                    ->options(['Đang mở bán' => 'Đang mở bán', 'Đã giữ chỗ' => 'Đã giữ chỗ', 'Đã cọc' => 'Đã cọc', 'Đã bán' => 'Đã bán', 'Tạm khóa' => 'Tạm khóa']),
-            ])
-            ->filters([
-                Tables\Filters\SelectFilter::make('project_id')->label('Dự án')->relationship('project', 'name'),
-                Tables\Filters\SelectFilter::make('product_type')->options(['LAND' => 'Đất nền', 'APARTMENT' => 'Căn hộ']),
+                Tables\Columns\TextColumn::make('total_price')->label('Giá')->money('VND'),
+                Tables\Columns\TextColumn::make('status')->label('Trạng thái')->badge(),
             ]);
     }
 
-    public static function getRelations(): array 
-    { 
-        return [
-            ContractsRelationManager::class,
-        ]; 
-    }
+    public static function getRelations(): array { return [ContractsRelationManager::class]; }
 
     public static function getPages(): array
     {

app/Filament/Resources/Projects/ProjectResource.php

@@ -11,12 +11,17 @@ use Filament\Schemas\Schema;
 use Filament\Resources\Resource;
 use Filament\Tables;
 use Filament\Tables\Table;
+use App\Enums\NavigationGroup;
 
 class ProjectResource extends Resource
 {
     protected static ?string $model = Project::class;
     protected static string | \BackedEnum | null $navigationIcon = 'heroicon-o-building-office-2';
-    protected static string | \UnitEnum | null $navigationGroup = 'Quản lý Dự án';
+    protected static string | \UnitEnum | null $navigationGroup = NavigationGroup::PROJECT->value;
+    protected static ?int $navigationSort = 1;
+
+    protected static ?string $modelLabel = 'Dự án';
+    protected static ?string $pluralModelLabel = 'Dự án';
 
     public static function form(Schema $schema): Schema
     {
@@ -25,9 +30,16 @@ class ProjectResource extends Resource
                 Section::make('Thông tin Dự án')
                     ->columns(2)
                     ->schema([
-                        TextInput::make('name')->label('Tên Dự án')->required()->maxLength(255),
-                        Select::make('type')->label('Loại hình')->options(['Khu đô thị' => 'Khu đô thị', 'Chung cư' => 'Chung cư', 'Đất nền phân lô' => 'Đất nền phân lô', 'Khu nghỉ dưỡng' => 'Khu nghỉ dưỡng'])->required(),
-                        TextInput::make('address')->label('Địa chỉ chi tiết')->columnSpanFull(),
+                        TextInput::make('code')->label('Mã Dự án')->required()->unique(ignoreRecord: true),
+                        TextInput::make('name')->label('Tên Dự án')->required(),
+                        Select::make('type')
+                            ->label('Loại hình')
+                            ->options([
+                                'Khu đô thị' => 'Khu đô thị',
+                                'Chung cư' => 'Chung cư',
+                                'Đất nền phân lô' => 'Đất nền phân lô',
+                            ])->required(),
+                        TextInput::make('address')->label('Địa chỉ')->columnSpanFull(),
                     ])
             ]);
     }
@@ -36,12 +48,10 @@ class ProjectResource extends Resource
     {
         return $table
             ->columns([
-                Tables\Columns\TextColumn::make('name')->label('Tên Dự án')->searchable()->sortable(),
-                Tables\Columns\TextColumn::make('type')->label('Loại hình')->badge()->sortable(),
-                Tables\Columns\TextColumn::make('address')->label('Địa chỉ')->limit(50),
-                Tables\Columns\TextColumn::make('created_at')->label('Ngày tạo')->dateTime('d/m/Y')->sortable()->toggleable(isToggledHiddenByDefault: true),
-            ])
-            ->defaultSort('created_at', 'desc');
+                Tables\Columns\TextColumn::make('code')->label('Mã')->sortable(),
+                Tables\Columns\TextColumn::make('name')->label('Tên Dự án')->searchable(),
+                Tables\Columns\TextColumn::make('type')->label('Loại hình')->badge(),
+            ]);
     }
 
     public static function getPages(): array

app/Models/Appendix.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Appendix extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $table = 'appendices'; // Đảm bảo khớp với migration
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'custom_data' => 'array',
+        'signing_date' => 'date',
+    ];
+
+    public function contract()
+    {
+        return $this->belongsTo(Contract::class);
+    }
+
+    public function product()
+    {
+        return $this->belongsTo(Product::class);
+    }
+}

app/Models/Contract.php

@@ -5,6 +5,7 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Concerns\HasUuids;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
 
 class Contract extends Model
 {
@@ -12,15 +13,59 @@ class Contract extends Model
 
     protected $guarded = [];
 
-    // 1 Hợp đồng thuộc về 1 Sản phẩm
+    protected $casts = [
+        'metadata' => 'array',
+        'total_value' => 'decimal:2',
+        'paid_amount' => 'decimal:2',
+        'remaining_amount' => 'decimal:2',
+        'excess_amount' => 'decimal:2',
+        'signing_date' => 'date',
+    ];
+
     public function product()
     {
         return $this->belongsTo(Product::class);
     }
 
-    // 1 Hợp đồng có thể có nhiều Khách hàng (Đồng sở hữu)
     public function customers()
     {
-        return $this->belongsToMany(Customer::class, 'contract_customers')->withPivot('role', 'transfer_order')->withTimestamps();
+        return $this->belongsToMany(Customer::class, 'contract_customers')
+                    ->withPivot('role', 'transfer_order')
+                    ->withTimestamps();
     }
-}
+
+    public function appendices()
+    {
+        return $this->hasMany(Appendix::class);
+    }
+
+    public function paymentSchedule()
+    {
+        return $this->hasOne(PaymentSchedule::class);
+    }
+
+    /**
+     * Lấy trực tiếp các đợt thanh toán của hợp đồng này
+     */
+    public function scheduleItems(): HasManyThrough
+    {
+        return $this->hasManyThrough(
+            PaymentScheduleItem::class,
+            PaymentSchedule::class,
+            'contract_id', // Khóa ngoại trên bảng PaymentSchedule
+            'schedule_id', // Khóa ngoại trên bảng PaymentScheduleItem
+            'id',          // Khóa chính trên bảng Contract
+            'id'           // Khóa chính trên bảng PaymentSchedule
+        );
+    }
+
+    public function payments()
+    {
+        return $this->hasMany(Payment::class);
+    }
+
+    public function paymentFines()
+    {
+        return $this->hasMany(PaymentFine::class);
+    }
+}

app/Models/Payment.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Payment extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'amount' => 'decimal:2',
+        'paid_date' => 'date',
+        'metadata' => 'array',
+    ];
+
+    public function contract()
+    {
+        return $this->belongsTo(Contract::class);
+    }
+
+    public function scheduleItem()
+    {
+        return $this->belongsTo(PaymentScheduleItem::class, 'schedule_item_id');
+    }
+}

app/Models/PaymentFine.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PaymentFine extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'amount' => 'decimal:2',
+        'due_date' => 'date',
+        'paid_date' => 'date',
+    ];
+
+    public function contract()
+    {
+        return $this->belongsTo(Contract::class);
+    }
+}

app/Models/PaymentSchedule.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PaymentSchedule extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $guarded = [];
+
+    public function contract()
+    {
+        return $this->belongsTo(Contract::class);
+    }
+
+    public function template()
+    {
+        return $this->belongsTo(PaymentTemplate::class);
+    }
+
+    public function items()
+    {
+        return $this->hasMany(PaymentScheduleItem::class, 'schedule_id');
+    }
+}

app/Models/PaymentScheduleItem.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\PaymentType;
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PaymentScheduleItem extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'type' => PaymentType::class,
+        'amount' => 'decimal:2',
+        'percentage' => 'decimal:2',
+        'due_date' => 'date',
+    ];
+
+    public function template()
+    {
+        return $this->belongsTo(PaymentTemplate::class);
+    }
+
+    public function schedule()
+    {
+        return $this->belongsTo(PaymentSchedule::class);
+    }
+
+    public function payments()
+    {
+        return $this->hasMany(Payment::class, 'schedule_item_id');
+    }
+}

app/Models/PaymentTemplate.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class PaymentTemplate extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'is_default' => 'boolean',
+    ];
+
+    public function project()
+    {
+        return $this->belongsTo(Project::class);
+    }
+
+    public function items()
+    {
+        return $this->hasMany(PaymentScheduleItem::class, 'template_id');
+    }
+}

app/Models/Product.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Enums\ProductType;
 use Illuminate\Database\Eloquent\Concerns\HasUuids;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -12,20 +13,33 @@ class Product extends Model
 
     protected $guarded = [];
 
-    // Ép kiểu JSON để Filament có thể đọc/ghi dữ liệu linh hoạt (tầng, hướng, mặt tiền...)
     protected $casts = [
+        'product_type' => ProductType::class,
         'custom_data' => 'array',
+        'infrastructure_status' => 'array',
+        'area' => 'decimal:2',
+        'price_per_unit' => 'decimal:2',
+        'total_price' => 'decimal:2',
+        'building_density' => 'decimal:2',
     ];
 
-    // Khai báo mối quan hệ V3: 1 Sản phẩm thuộc về 1 Dự án
     public function project()
     {
         return $this->belongsTo(Project::class);
     }
 
-    // Đón đầu cho các bước tiếp theo: 1 Sản phẩm có nhiều Hợp đồng
     public function contracts()
     {
         return $this->hasMany(Contract::class);
     }
-}
+
+    public function settlements()
+    {
+        return $this->hasMany(Settlement::class);
+    }
+
+    public function appendices()
+    {
+        return $this->hasMany(Appendix::class);
+    }
+}

app/Models/Project.php

@@ -10,11 +10,15 @@ class Project extends Model
 {
     use HasUuids, HasFactory;
 
-    protected $guarded = []; // Cho phép lưu tất cả các cột
+    protected $guarded = [];
     
-    // Khai báo mối quan hệ: 1 Dự án có nhiều Sản phẩm
     public function products()
     {
         return $this->hasMany(Product::class);
     }
-}
+
+    public function paymentTemplates()
+    {
+        return $this->hasMany(PaymentTemplate::class);
+    }
+}

app/Models/Settlement.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Concerns\HasUuids;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Settlement extends Model
+{
+    use HasUuids, HasFactory;
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'temp_value' => 'decimal:2',
+        'final_value' => 'decimal:2',
+        'difference' => 'decimal:2',
+        'issue_date' => 'date',
+    ];
+
+    public function product()
+    {
+        return $this->belongsTo(Product::class);
+    }
+}