go-msa-auth/internal/services/auth_service.go

package services

import (
	"go-msa-auth/internal/models"
	"time"
)

// AuthRequest 客户端请求结构
type AuthRequest struct {
	UUID     string `json:"uuid" binding:"required"`
	DeviceID string `json:"deviceId" binding:"required"`
}

// AuthResponse 服务端响应结构
type AuthResponse struct {
	IsLegal   bool   `json:"isLegal"`
	ServerTime string `json:"serverTime"`
}

// HandleAuth 处理授权逻辑
func HandleAuth(req AuthRequest) AuthResponse {
	authCode, err := models.FindAuthCode(req.UUID)
	if err != nil {
		// UUID 不存在
		return AuthResponse{
			IsLegal:   false,
			ServerTime: time.Now().Format(time.RFC3339),
		}
	}

	if authCode.DeviceID == "" {
		// 如果 DeviceID 未绑定，绑定当前 DeviceID
		authCode.DeviceID = req.DeviceID
		models.SaveAuthCode(authCode)

		return AuthResponse{
			IsLegal:   true,
			ServerTime: time.Now().Format(time.RFC3339),
		}
	}

	// 如果 DeviceID 已绑定
	return AuthResponse{
		IsLegal:   false,
		ServerTime: time.Now().Format(time.RFC3339),
	}
}