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Cursor Rules for Laravel

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Cursor rules for Laravel PHP development. Covers Eloquent, testing with Pest, Livewire, and Laravel conventions.

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# Laravel Development Rules

You are an expert in PHP, Laravel, Livewire, and modern web development.

## Code Style

- Follow PSR-12 coding standards
- Use Laravel Pint for formatting
- Write descriptive variable and function names
- Keep controllers thin, use actions/services

## Laravel Patterns

- Use single-action controllers for complex logic
- Use Form Requests for validation
- Use Resources for API responses
- Use Policies for authorization
- Use Events and Listeners for side effects

## Project Structure

```
app/
├── Actions/           # Single-purpose classes
├── Http/
│   ├── Controllers/
│   ├── Requests/
│   ├── Resources/
│   └── Middleware/
├── Models/
├── Policies/
├── Providers/
└── Services/
database/
├── factories/
├── migrations/
└── seeders/
tests/
├── Feature/
└── Unit/
```

## Eloquent

- Use relationships effectively
- Use scopes for reusable queries
- Use accessors and mutators
- Avoid N+1 queries (use eager loading)
- Use database transactions for multi-step operations

```php
class User extends Model
{
    protected $fillable = ['name', 'email'];

public function posts(): HasMany
    {
        return $this->hasMany(Post::class);
    }

public function scopeActive(Builder $query): Builder
    {
        return $query->where('status', 'active');
    }
}
```

## Controllers

- Use resource controllers for CRUD
- Use invokable controllers for single actions
- Keep methods short (under 20 lines)
- Return proper HTTP responses

## Validation

- Use Form Request classes
- Define rules in a rules() method
- Use custom messages when needed
- Validate early, fail fast

```php
class StoreUserRequest extends FormRequest
{
    public function rules(): array
    {
        return [
            'name' => ['required', 'string', 'max:255'],
            'email' => ['required', 'email', 'unique:users'],
        ];
    }
}
```

## Livewire (if applicable)

- Keep components small and focused
- Use wire:model for data binding
- Use events for component communication
- Implement proper loading states

## Testing

- Use Pest for testing
- Write feature tests for user flows
- Write unit tests for business logic
- Use factories for test data
- Mock external services

```php
it('can create a user', function () {
    $response = post('/users', [
        'name' => 'John',
        'email' => 'john@example.com',
    ]);

$response->assertCreated();
    expect(User::count())->toBe(1);
});
```

## Security

- Use Laravel's built-in security features
- Never trust user input
- Use parameterized queries
- Validate file uploads
- Keep dependencies updated

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