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From: Rina <e31232103@student.polije.ac.id>
Date: Thu, 16 Jul 2026 10:58:51 +0700
Subject: [PATCH] Delete TAHAP_9_DOKUMENTASI.md

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-# Tahap 9: Fondasi Infrastruktur Sistem Rental
-
-**Status**: ✅ COMPLETED  
-**Tanggal**: Fase 1 - Audit & Discovery  
-**Objective**: Membangun fondasi teknis untuk sistem yang stabil, aman, dan scalable
-
----
-
-## 📋 Daftar Isi
-
-1. [Overview](#overview)
-2. [Deliverables](#deliverables)
-3. [Models & Database](#models--database)
-4. [Services Layer](#services-layer)
-5. [Controllers Refactoring](#controllers-refactoring)
-6. [Implementation Details](#implementation-details)
-7. [Technical Architecture](#technical-architecture)
-
----
-
-## Overview
-
-Tahap 9 adalah fase foundational yang membangun infrastruktur inti untuk mendukung Tahap 10 (hardening). Fokus utama:
-
-- ✅ Membuat service layer untuk business logic
-- ✅ Implementing policies untuk authorization
-- ✅ Mengintegrasikan file upload dengan validation
-- ✅ Slug management system yang konsisten
-- ✅ Migration & model standardization
-
-### Scope Tahap 9
-
-**TIDAK menambah fitur bisnis besar**, hanya:
-- Infrastructure improvements
-- Code organization & patterns
-- Security foundation
-- Data integrity
-
----
-
-## Deliverables
-
-### 1. Service Layer (4 Services)
-
-#### PromoService (Existing)
-```php
-// Location: app/Services/PromoService.php
-// Purpose: Promo business logic
-const LOYAL_COMPLETED_THRESHOLD = 3;
-
-public function isUserLoyal($userId, $rentalCompanyId): bool
-public function getApplicablePromos($bookingData): Collection
-```
-
-#### SlugService (New)
-```php
-// Location: app/Services/SlugService.php
-// Purpose: Centralized slug generation dengan uniqueness guarantee
-
-public function generateUnique(
-    string $modelClass, 
-    string $column, 
-    string $source, 
-    ?int $ignoreId = null
-): string
-```
-
-**Fitur:**
-- Automatic slug generation dari source text
-- Collision detection & appending (-1, -2, etc)
-- Support untuk model yang berbeda
-- Case-insensitive duplicate checking
-
-#### FileUploadService (New)
-```php
-// Location: app/Services/FileUploadService.php
-// Purpose: Secure file upload dengan naming & organization
-
-public function storePublic(
-    UploadedFile $file, 
-    string $directory
-): string // returns "vehicles/main/2026/04/uuid.jpg"
-
-public function deletePublic(string $path): bool
-```
-
-**Fitur:**
-- UUID-based filename (prevents collisions)
-- Date-based subdirectories (Y/m format)
-- Safe deletion with error handling
-- Returns relative path untuk storage
-
-#### NotificationService (New - Tahap 10 prep)
-```php
-// Location: app/Services/NotificationService.php
-// Purpose: Database notification management
-
-public function notifyUser(
-    int $userId, 
-    string $title, 
-    string $message, 
-    string $type,
-    ?string $url = null,
-    ?string $referenceType = null,
-    ?int $referenceId = null
-): UserNotification
-```
-
-#### ActivityLogService (New - Tahap 10 prep)
-```php
-// Location: app/Services/ActivityLogService.php
-// Purpose: Immutable audit logging
-
-public function log(
-    string $action,
-    string $description,
-    string $targetType,
-    int $targetId,
-    ?array $meta = null,
-    ?int $userId = null
-): ActivityLog
-```
-
----
-
-### 2. Models & Database Migrations
-
-#### Models Created/Updated
-
-**UserNotification**
-```php
-// Table: user_notifications
-// Columns:
-// - id: bigint
-// - user_id: bigint (FK users)
-// - title: string
-// - message: text
-// - type: enum (info, success, warning, error)
-// - reference_type: string (nullable) - booking, payment, etc
-// - reference_id: bigint (nullable)
-// - url: string (nullable)
-// - read_at: timestamp (nullable)
-// - created_at, updated_at
-
-// Key Methods:
-public function markAsRead(): self
-public function isUnread(): bool
-
-// Relationships:
-public function user(): BelongsTo
-```
-
-**ActivityLog**
-```php
-// Table: activity_logs
-// Columns:
-// - id: bigint
-// - user_id: bigint (FK users, nullable for system actions)
-// - action: string (e.g., 'vehicle.created')
-// - target_type: string (vehicle, booking, payment, etc)
-// - target_id: bigint
-// - description: text
-// - meta: json (contextual data)
-// - created_at (no updated_at - append-only)
-
-// Indexes:
-// - user_id
-// - action
-// - created_at
-
-// Relationships:
-public function user(): BelongsTo
-```
-
-**RentalCompany (Enhanced)**
-- Booted with automatic `company_slug` generation
-- Uses `SlugService::generateUnique()`
-
-**Vehicle (Enhanced)**
-- Uses `SlugService` in controller for `slug` generation
-- Primary image relationship optimized
-
-#### Migration Files
-
-**Migrations/2026_04_23_xxxxxx_create_user_notifications_table.php**
-```php
-Schema::create('user_notifications', function (Blueprint $table) {
-    $table->id();
-    $table->foreignId('user_id')->constrained('users')->cascadeOnDelete();
-    $table->string('title');
-    $table->text('message');
-    $table->enum('type', ['info', 'success', 'warning', 'error']);
-    $table->string('reference_type')->nullable();
-    $table->unsignedBigInteger('reference_id')->nullable();
-    $table->string('url')->nullable();
-    $table->timestamp('read_at')->nullable();
-    $table->timestamps();
-    
-    $table->index(['user_id', 'read_at']);
-    $table->index('created_at');
-});
-```
-
-**Migrations/2026_04_23_xxxxxx_create_activity_logs_table.php**
-```php
-Schema::create('activity_logs', function (Blueprint $table) {
-    $table->id();
-    $table->foreignId('user_id')->nullable()->constrained('users')->cascadeOnDelete();
-    $table->string('action');
-    $table->string('target_type');
-    $table->unsignedBigInteger('target_id');
-    $table->text('description');
-    $table->json('meta')->nullable();
-    $table->timestamp('created_at')->useCurrent();
-    
-    $table->index('user_id');
-    $table->index('action');
-    $table->index('created_at');
-    $table->index(['target_type', 'target_id']);
-});
-```
-
----
-
-### 3. Policies Layer
-
-#### 6 Policy Classes
-
-**VehiclePolicy**
-```php
-// Location: app/Policies/VehiclePolicy.php
-public function view(User $user, Vehicle $vehicle): bool
-    // admin_rental owns rental_company OR super_admin
-
-public function create(User $user): bool
-    // admin_rental must have rental_company
-
-public function update(User $user, Vehicle $vehicle): bool
-    // Delegates to view()
-
-public function delete(User $user, Vehicle $vehicle): bool
-    // Delegates to view()
-```
-
-**BookingPolicy**
-```php
-// Location: app/Policies/BookingPolicy.php
-public function view(User $user, Booking $booking): bool
-    // customer owns booking OR admin_rental owns rental_company OR super_admin
-
-public function create(User $user): bool
-    // customer only
-
-public function update(User $user, Booking $booking): bool
-    // Delegates to view()
-```
-
-**PaymentPolicy**
-```php
-// Location: app/Policies/PaymentPolicy.php
-public function view(User $user, Payment $payment): bool
-    // customer owns booking OR admin_rental owns rental_company OR super_admin
-
-public function update(User $user, Payment $payment): bool
-    // Delegates to view()
-```
-
-**PromoPolicy**
-```php
-// Location: app/Policies/PromoPolicy.php
-public function view(User $user, Promo $promo): bool
-    // admin_rental owns rental_company OR super_admin
-
-public function create(User $user): bool
-    // admin_rental must have rental_company
-
-public function update(User $user, Promo $promo): bool
-    // Delegates to view()
-
-public function delete(User $user, Promo $promo): bool
-    // Delegates to view()
-```
-
-**ReviewPolicy**
-```php
-// Location: app/Policies/ReviewPolicy.php
-public function view(User $user, Review $review): bool
-    // customer/admin_rental/super_admin with access
-
-public function create(User $user, Booking $booking): bool
-    // customer owns completed booking with no existing review
-```
-
-**RentalCompanyPolicy**
-```php
-// Location: app/Policies/RentalCompanyPolicy.php
-public function view(User $user, RentalCompany $company): bool
-    // admin_rental owner OR super_admin
-
-public function verify(User $user): bool
-    // super_admin only
-
-public function update(User $user, RentalCompany $company): bool
-    // Delegates to view()
-```
-
-**Registration di AppServiceProvider**
-```php
-// Location: app/Providers/AppServiceProvider.php
-protected $policies = [
-    Vehicle::class => VehiclePolicy::class,
-    Booking::class => BookingPolicy::class,
-    Payment::class => PaymentPolicy::class,
-    Promo::class => PromoPolicy::class,
-    Review::class => ReviewPolicy::class,
-    RentalCompany::class => RentalCompanyPolicy::class,
-];
-```
-
----
-
-### 4. Controllers Refactoring
-
-#### AdminRental/VehicleController
-**Changes:**
-- ✅ Added `SlugService` dependency injection
-- ✅ Added `FileUploadService` dependency injection
-- ✅ Added `ActivityLogService` integration (prep for Tahap 10)
-- ✅ All CRUD methods use `$this->authorize()` checks
-- ✅ File upload with try-catch error handling
-- ✅ Dated subdirectory organization for uploads
-
-**Methods:**
-```php
-public function __construct(
-    private readonly SlugService $slugService,
-    private readonly FileUploadService $fileUploadService,
-    private readonly ActivityLogService $activityLogService,
-) {}
-
-public function index(): View
-public function create(): View
-public function store(StoreVehicleRequest $request): RedirectResponse
-public function edit(Vehicle $vehicle): View
-public function update(UpdateVehicleRequest $request, Vehicle $vehicle): RedirectResponse
-public function destroy(Vehicle $vehicle): RedirectResponse
-public function destroyGalleryImage(VehicleImage $image): RedirectResponse
-```
-
-#### Customer/BookingController
-**Changes:**
-- ✅ Added authorization checks
-- ✅ NotificationService integration (Tahap 10)
-- ✅ ActivityLogService integration (Tahap 10)
-
-#### Customer/PaymentController
-**Changes:**
-- ✅ Added `FileUploadService` dependency
-- ✅ File upload validation tightened
-- ✅ MIME type & size checking
-- ✅ Safe file deletion on update
-- ✅ Authorization checks on all methods
-- ✅ Notification/Logging (Tahap 10)
-
-#### Customer/ReviewController
-**Changes:**
-- ✅ Policy-based authorization replacing manual checks
-- ✅ Service injection ready for Tahap 10
-
-#### AdminRental/BookingController
-**Changes:**
-- ✅ Authorization on show/update methods
-- ✅ Service integration ready
-
-#### AdminRental/PaymentController
-**Changes:**
-- ✅ Authorization checks on all methods
-- ✅ Service integration for verify/reject
-
-#### AdminRental/PromoController
-**Changes:**
-- ✅ Policies on all CRUD methods
-- ✅ Service integration ready
-
-#### AdminRental/ReviewController
-**Changes:**
-- ✅ Authorization check on index
-
-#### AdminRental/CustomerController
-**Changes:**
-- ✅ Authorization check on index
-
-#### Customer/MyBookingController
-**Changes:**
-- ✅ Policy-based authorization
-
----
-
-### 5. Form Validation Hardening
-
-#### Vehicle Validation (StoreVehicleRequest)
-```php
-'thumbnail' => ['required', 'file', 'mimetypes:image/jpeg,image/png', 'max:4096'],
-'gallery_images.*' => ['nullable', 'file', 'mimetypes:image/jpeg,image/png', 'max:4096'],
-```
-
-#### Payment Validation (UploadProofRequest)
-```php
-'proof_file' => [
-    'required',
-    'file',
-    'mimetypes:image/jpeg,image/png,application/pdf',
-    'max:8192',
-],
-```
-
-#### Promo Validation (StorePromoRequest)
-```php
-'title' => ['required', 'string', 'max:100'],
-'promo_code' => ['required', 'string', 'max:20', 'unique:promos'],
-'discount_value' => ['required', 'numeric', 'min:0'],
-```
-
----
-
-## Implementation Details
-
-### SlugService Usage
-
-**Di VehicleController:**
-```php
-$slug = $this->slugService->generateUnique(
-    Vehicle::class,
-    'slug',
-    $validated['name']
-);
-
-$vehicle = Vehicle::create([
-    ...$validated,
-    'slug' => $slug,
-]);
-```
-
-**Di RentalCompany Model (Boot Event):**
-```php
-protected static function boot(): void
-{
-    parent::boot();
-    
-    static::creating(function (self $model): void {
-        if (!$model->company_slug) {
-            $slug = app(SlugService::class)->generateUnique(
-                self::class,
-                'company_slug',
-                $model->company_name
-            );
-            $model->company_slug = $slug;
-        }
-    });
-}
-```
-
-### FileUploadService Usage
-
-**Store File:**
-```php
-try {
-    $path = $this->fileUploadService->storePublic(
-        $request->file('thumbnail'),
-        'vehicles/main'
-    );
-    // Path: "vehicles/main/2026/04/uuid.jpg"
-} catch (\Throwable $exception) {
-    return back()->withInput()->with('error', 'Upload gagal');
-}
-```
-
-**Delete File:**
-```php
-$this->fileUploadService->deletePublic($vehicle->thumbnail);
-```
-
-### Authorization Usage
-
-**Via Policy:**
-```php
-// Single action
-$this->authorize('view', $vehicle);
-
-// Class-level
-$this->authorize('create', Vehicle::class);
-
-// Custom gate
-$this->authorize('verify', $rentalCompany);
-```
-
----
-
-## Technical Architecture
-
-### Folder Structure (After Tahap 9)
-
-```
-app/
-├── Services/
-│   ├── PromoService.php           (Existing)
-│   ├── SlugService.php            (New)
-│   ├── FileUploadService.php      (New)
-│   ├── NotificationService.php    (New - Tahap 10 prep)
-│   └── ActivityLogService.php     (New - Tahap 10 prep)
-├── Policies/
-│   ├── VehiclePolicy.php
-│   ├── BookingPolicy.php
-│   ├── PaymentPolicy.php
-│   ├── PromoPolicy.php
-│   ├── ReviewPolicy.php
-│   └── RentalCompanyPolicy.php
-├── Models/
-│   ├── User.php (Updated)
-│   ├── Vehicle.php (Updated)
-│   ├── Booking.php (Updated)
-│   ├── Payment.php (Updated)
-│   ├── Promo.php (Updated)
-│   ├── Review.php (Updated)
-│   ├── RentalCompany.php (Updated)
-│   ├── UserNotification.php       (New)
-│   └── ActivityLog.php            (New)
-├── Http/
-│   ├── Requests/ (Validation tightened)
-│   └── Controllers/ (Refactored dengan service injection)
-└── Providers/
-    └── AppServiceProvider.php     (Policies registered)
-
-database/
-├── migrations/
-│   ├── 2026_04_23_xxxxxx_create_user_notifications_table.php
-│   └── 2026_04_23_xxxxxx_create_activity_logs_table.php
-└── seeders/ (Unchanged)
-```
-
-### Design Patterns
-
-#### 1. Service Layer Pattern
-Business logic abstracted from controllers:
-```
-Controller → Service → Model → Database
-```
-
-**Benefits:**
-- Reusability across controllers
-- Testability
-- Single responsibility
-- Easy to mock
-
-#### 2. Policy Pattern
-Authorization logic centralized:
-```
-$this->authorize('action', Model) → Policy → User Role Check
-```
-
-**Benefits:**
-- Consistent authorization
-- Maintainable permissions
-- Testable policies
-
-#### 3. Dependency Injection
-Constructor injection untuk semua services:
-```php
-public function __construct(
-    private readonly ServiceA $serviceA,
-    private readonly ServiceB $serviceB,
-) {}
-```
-
-#### 4. Immutable Logging
-ActivityLog append-only (no updates):
-```
-Created → Never Updated → Audit Trail Safe
-```
-
----
-
-## Database Relationships
-
-```
-Users (1) ──→ (Many) UserNotifications
-      (1) ──→ (Many) ActivityLogs
-      (1) ──→ (1) RentalCompany
-      (1) ──→ (Many) Bookings
-
-RentalCompany (1) ──→ (Many) Vehicles
-              (1) ──→ (Many) Promos
-              (1) ──→ (Many) Bookings
-
-Bookings (1) ──→ (1) Payment
-       (1) ──→ (1) Review
-       (1) ──→ (1) Vehicle
-
-Vehicles (1) ──→ (Many) VehicleImages
-       (1) ──→ (Many) Bookings
-```
-
----
-
-## Validation Rules Summary
-
-### Vehicle Upload
-- Format: JPEG, PNG
-- Size: Max 4MB per image
-- Required: Thumbnail
-- Optional: Gallery (multiple)
-
-### Payment Upload
-- Format: JPEG, PNG, PDF
-- Size: Max 8MB
-- Required: File type check
-- Transaction: Atomic with DB update
-
-### Promo Creation
-- Code: Unique, uppercase, max 20 chars
-- Title: Required, max 100 chars
-- Discount: Numeric, non-negative
-- Dates: End date >= Start date
-
----
-
-## Error Handling
-
-### FileUploadService
-```php
-try {
-    $path = $fileUploadService->storePublic($file, $dir);
-} catch (\Throwable $e) {
-    // User-friendly error message
-    return back()->with('error', 'Upload failed');
-}
-```
-
-### Authorization
-```php
-try {
-    $this->authorize('action', $model);
-} catch (AuthorizationException $e) {
-    // Laravel handles: 403 Forbidden response
-}
-```
-
-### Validation
-```php
-// FormRequest handles automatically
-// Returns back with errors on validation fail
-```
-
----
-
-## Performance Considerations
-
-1. **Slug Generation**: Single query per unique check (optimized)
-2. **File Upload**: UUID prevents lookups, dated dirs enable cleanup
-3. **Activity Logs**: Append-only (no locks), indexes on common queries
-4. **Policies**: Eager loading relationships to avoid N+1
-5. **Queries**: withCount, withSum untuk statistics tanpa extra queries
-
----
-
-## Testing Checklist
-
-- [ ] SlugService generates unique slugs
-- [ ] SlugService handles collisions
-- [ ] FileUploadService stores with UUID naming
-- [ ] FileUploadService deletes safely
-- [ ] Policies correctly authorize actions
-- [ ] Services inject correctly in controllers
-- [ ] File validation rejects invalid types
-- [ ] File validation enforces size limits
-- [ ] RentalCompany auto-generates slug
-- [ ] Activity logs capture correctly (Tahap 10)
-- [ ] Notifications send correctly (Tahap 10)
-
----
-
-## Tahap 9 Summary
-
-✅ **COMPLETED:**
-- 4 Services (Promo, Slug, FileUpload, Notification/ActivityLog prep)
-- 6 Policies with consistent pattern
-- 8 Controllers refactored with service injection
-- 2 New models with migrations
-- Validation hardening
-- Authorization layer implementation
-
-⏳ **NEXT (Tahap 10):**
-- Notification integration (8 triggers)
-- Activity logging integration (15+ actions)
-- Error pages & components
-- Report filtering enhancements
-- UI/UX polish
-
----
-
-## Quick Reference
-
-### Service Injection
-```php
-use App\Services\SlugService;
-use App\Services\FileUploadService;
-
-public function __construct(
-    private readonly SlugService $slugService,
-    private readonly FileUploadService $fileUploadService,
-) {}
-```
-
-### Authorization Check
-```php
-$this->authorize('action', $model);
-$this->authorize('create', ModelClass::class);
-```
-
-### Slug Generation
-```php
-$slug = $this->slugService->generateUnique(
-    Vehicle::class, 'slug', $sourceName
-);
-```
-
-### File Upload
-```php
-$path = $this->fileUploadService->storePublic(
-    $request->file('field'), 'directory'
-);
-```
-
----
-
-**Dokumentasi Tahap 9 Complete**  
-Untuk Tahap 10, lihat: `TAHAP_10_DOKUMENTASI.md`