Go 언어를 사용하여 방문 조리 시스템의 배송 경로 계획 모듈을 작성하는 방법은 무엇입니까?

type Order struct {
    DeliveryAddress string
    Dishes          []Dish
}

type Dish struct {
    Name   string
    Amount int
}

func main() {
    // 获取用户订单信息
    order := getOrderInfo()

    // 按照订单信息进行后续操作
    ...
}

func getOrderInfo() Order {
    // 获取配送地址
    fmt.Print("请输入配送地址：")
    deliveryAddress := reader.ReadString('
')
    deliveryAddress = strings.TrimSpace(deliveryAddress)

    // 获取菜品信息
    dishes := make([]Dish, 0)
    for {
        var dish Dish

        fmt.Print("请输入菜品名称（输入q结束）：")
        dishName := reader.ReadString('
')
        dishName = strings.TrimSpace(dishName)

        if dishName == "q" {
            break
        }

        fmt.Print("请输入菜品数量：")
        amountStr := reader.ReadString('
')
        amountStr = strings.TrimSpace(amountStr)
        amount, _ := strconv.Atoi(amountStr)

        dish.Name = dishName
        dish.Amount = amount

        dishes = append(dishes, dish)
    }

    // 返回订单信息
    return Order{
        DeliveryAddress: deliveryAddress,
        Dishes:          dishes,
    }
}

var inventory = map[string]int{
    "青菜":   100,
    "土豆":   50,
    "牛肉":   30,
    "鱼":    20,
    "鸡蛋":   100,
}

func checkInventory(order Order) bool {
    for _, dish := range order.Dishes {
        if inventory[dish.Name] < dish.Amount {
            return false
        }
    }

    return true
}

type Route struct {
    DeliveryAddress string
    Distance        int
}

func planRoute(order Order) []Route {
    routes := make([]Route, 0)

    for _, dish := range order.Dishes {
        route := Route{
            DeliveryAddress: order.DeliveryAddress,
            Distance:        calculateDistance(order.DeliveryAddress),
        }

        routes = append(routes, route)
    }

    sort.Slice(routes, func(i, j int) bool {
        return routes[i].Distance < routes[j].Distance
    })

    return routes
}

func calculateDistance(address string) int {
    // 假设我们有已经实现的计算距离的函数
    ...
}