service/library/idgenerator/genid.go

package idgenerator

import (
	"errors"

	"github.com/bwmarrin/snowflake"
)

// With default settings, this snowflake generator should be sufficiently fast enough
// on most systems to generate 4096 unique ID's per millisecond. This is the maximum
// that the snowflake ID format supports. That is, around 243-244 nanoseconds per operation.

// 业务node, node ∈ [0, 1023]
const (
	NodeMin = 0    // 最小node 包括
	NodeMax = 1023 // 最大node 包括
)

const (
	_                          = iota
	NodeMaterial               // node 素材（商品）
	NodeCatalog                // node 分类
	NodeOrder                  // node 订单
	NodeBanner                 // node banner
	NodeLogin                  // node login
	NodeToken                  // node token
	NodeAccount                // node account
	NodeVeriCode               // node vericode
	NodeMember                 // node 用户id
	NodeProduct                // node 商品
	NodeMoment                 // node 动态
	NodeFootPrint              // node 足迹
	NodeThumbsUp               // node 点赞
	NodeAccountRelation        // node 用户关系
	NodeStreamer               // node 主播
	NodeFeedback               // node 意见反馈
	NodeCallHistory            // node 通话记录
	NodeStreamerLink           // node 主播链接
	NodeUserWxAddCheck         // node 用户微信添加审核
	NodeRealNameAuthentication // node 实名认证
	NodeContactCustomerService // node 联系客服
	NodeImageAudit             // node 图像审核
	NodeCoinOrder              // node 金币订单
	NodeImageAuditTask         // node 图像审核任务
	NodeTextAudit              // node 文字审核
	NodeTextAuditTask          // node 文字审核任务
	NodeDailyStatement         // node 每日报表表
	NodeWithdrawOrderId        // node 提现订单
	NodeAppConfig              // node 应用配置表
	NodeAccountCancellation    // node 账户注销
	NodeWxpayRefund            // node 微信支付退款
)

func GenIdInt64(node int64) (int64, error) {
	if node < NodeMin || node > NodeMax {
		return -1, errors.New("node number must include [0, 1023]")
	}

	n, err := snowflake.NewNode(node)
	if err != nil {
		return -1, err
	}
	return n.Generate().Int64(), nil
}

func GenIdString(node int64) (string, error) {
	if node < NodeMin || node > NodeMax {
		return "", errors.New("node number must include [0, 1023]")
	}

	n, err := snowflake.NewNode(node)
	if err != nil {
		return "", err
	}
	return n.Generate().String(), nil
}

// 商品
func GenProductId() string {
	id, _ := GenIdString(NodeProduct)
	return id
}

// 订单
func GenOrderId() string {
	id, _ := GenIdString(NodeOrder)
	return id
}

// 金币订单
func GenCoinOrderId() string {
	id, _ := GenIdString(NodeCoinOrder)
	return id
}

// banner
func GenBannerId() int64 {
	id, _ := GenIdInt64(NodeBanner)
	return id
}

// login
func GenLoginId() int64 {
	id, _ := GenIdInt64(NodeLogin)
	return id
}

// token
func GenTokenId() int64 {
	id, _ := GenIdInt64(NodeToken)
	return id
}

// account
func GenAccountId() int64 {
	id, _ := GenIdInt64(NodeAccount)
	return id
}

// vericode
func GenVeriCodeId() int64 {
	id, _ := GenIdInt64(NodeVeriCode)
	return id
}

// catalog
func GenCatalogId() int64 {
	id, _ := GenIdInt64(NodeCatalog)
	return id
}

// moment
func GenMomentId() int64 {
	id, _ := GenIdInt64(NodeMoment)
	return id
}

// footprint
func GenFootPrintId() int64 {
	id, _ := GenIdInt64(NodeFootPrint)
	return id
}

// thumbs_up
func GenThumbsUpId() int64 {
	id, _ := GenIdInt64(NodeThumbsUp)
	return id
}

// account_relation
func GenAccountRelationId() int64 {
	id, _ := GenIdInt64(NodeAccountRelation)
	return id
}

// streamer
func GenStreamerId() int64 {
	id, _ := GenIdInt64(NodeStreamer)
	return id
}

// feedback
func GenFeedbackId() int64 {
	id, _ := GenIdInt64(NodeFeedback)
	return id
}

// callhistory
func GenCallHistoryId() int64 {
	id, _ := GenIdInt64(NodeCallHistory)
	return id
}

// streamerlink
func GenStreamerLinkId() int64 {
	id, _ := GenIdInt64(NodeStreamerLink)
	return id
}

// userwxaddcheck
func GenUserWxAddCheckId() int64 {
	id, _ := GenIdInt64(NodeUserWxAddCheck)
	return id
}

// realname_authentication
func GenRealNameAuthenticationId() int64 {
	id, _ := GenIdInt64(NodeRealNameAuthentication)
	return id
}

// contact_customer_service
func GenContactCustomerServiceId() int64 {
	id, _ := GenIdInt64(NodeContactCustomerService)
	return id
}

// daily_statement
func GenDailyStatementId() int64 {
	id, _ := GenIdInt64(NodeDailyStatement)
	return id
}

// withdraw_order
func GenWithdrawOrderId() string {
	id, _ := GenIdString(NodeWithdrawOrderId)
	return id
}

// app_config
func GenAppConfigId() int64 {
	id, _ := GenIdInt64(NodeAppConfig)
	return id
}

// account_cancellation
func GenAccountCancellationId() int64 {
	id, _ := GenIdInt64(NodeAccountCancellation)
	return id
}

// wxpay refund
func GenWxpayRefundId() string {
	id, _ := GenIdString(NodeWxpayRefund)
	return id
}