AgentSkillsCN

backend-architecture-service-layer

服务层模式与业务逻辑的组织方式。

SKILL.md
--- frontmatter
name: backend-architecture-service-layer
description: Service layer pattern, business logic organization.

Backend Architecture Service Layer

When to use this skill

  • •Complex business logic
  • •Reusable operations
  • •Keeping controllers thin
  • •Testing business logic

Workflow

  • • Create service classes
  • • Inject dependencies
  • • Keep one responsibility per service
  • • Return DTOs or entities -[ ] Handle business rules

Instructions

Service Class

php
<?php

namespace App\Services;

use App\Models\OrderModel;
use App\Entities\Order;

class OrderService
{
    public function __construct(
        private OrderModel $orderModel,
        private PaymentService $paymentService,
        private EmailService $emailService
    ) {}

    public function createOrder(array $data): Order
    {
        $order = $this->orderModel->insert($data);
        $this->paymentService->process($order);
        $this->emailService->sendConfirmation($order);
        return $order;
    }
}

Resources

  • •Services encapsulate business logic
  • •Inject all dependencies
  • •Keep services focused