Files
iotlcm/server/internal/logic/cardflow/sql_expr.go
T
MiFaZhan 59eb34976a chore: 初始开源发布
iotlcm-admin-svr:管理后台服务。

- Go module:iotlcm → git.5iot.com/iotlcm-public/iotlcm-admin-svr(729 文件)
- 凭据与地址脱敏:JWT signingKey(含代码里的 MustGet 默认值)、
  MySQL DSN、Redis 口令、告警邮件发件人邮箱全部改为占位;
  私网 IP → 文档地址段;库名 xiujie_admin → iotlcm
- 真实手机号/邮箱 → 合法 11 位编造号 / example.com
- 移除内部资产:CI 触发器、过时 DDL(sql/db_iotlcm.sql)、
  私有依赖 go get 行、明文 registry 登录口令
- 启动 banner 统一 IOTLCM 方块字 + 社区惯例署名
- Dockerfile 改用公共基础镜像
- 拼错的 RADEME.md → README.md,README 重写
- 需要真实数据库的用例改为可用 IOTLCM_TEST_WITH_DB=1 显式启用
- 补 Apache-2.0 LICENSE,LF 行尾 + .gitattributes

数据库 schema 不随本仓发布(生产 DDL 已过时),README 已说明。
2026-10-23 14:48:30 +08:00

125 lines
3.5 KiB
Go

package cardflow
import (
"fmt"
"strings"
"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/consts"
"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/dao"
)
// MainPackageFlowExpr returns the card's base package flow. When the current
// package table is already joined, pass its table alias to avoid another subquery.
func MainPackageFlowExpr(cardAlias, currentPackageAlias string) string {
cardColumns := dao.TSimCardInfo.Columns()
packageColumns := dao.TSimFlowPackageInfo.Columns()
cardTotalFlow := column(cardAlias, cardColumns.PackageTotalFlowMb)
currentPackageAlias = strings.TrimSpace(currentPackageAlias)
if currentPackageAlias != "" {
return fmt.Sprintf(
"COALESCE(NULLIF(%s, 0), %s, 0)",
column(currentPackageAlias, packageColumns.FlowMb),
cardTotalFlow,
)
}
packageTable := dao.TSimFlowPackageInfo.Table()
packageAlias := "card_base_pkg"
return fmt.Sprintf(
"COALESCE(NULLIF((SELECT %s.%s FROM %s AS %s WHERE %s.%s = %s AND %s.%s = %s LIMIT 1), 0), %s, 0)",
packageAlias,
packageColumns.FlowMb,
packageTable,
packageAlias,
packageAlias,
packageColumns.PackageCode,
column(cardAlias, cardColumns.CurrentPackageCode),
packageAlias,
packageColumns.TenantId,
column(cardAlias, cardColumns.TenantId),
cardTotalFlow,
)
}
// ActiveCardTopupFlowExpr returns active, unexpired single-card add-package flow.
func ActiveCardTopupFlowExpr(cardAlias string) string {
cardColumns := dao.TSimCardInfo.Columns()
bindTable := dao.TSimCardBindPkg.Table()
bindColumns := dao.TSimCardBindPkg.Columns()
packageTable := dao.TSimFlowPackageInfo.Table()
packageColumns := dao.TSimFlowPackageInfo.Columns()
bindAlias := "card_topup_bind"
packageAlias := "card_topup_pkg"
return fmt.Sprintf(
"IFNULL((SELECT SUM(IFNULL(%s.%s, 0)) FROM %s AS %s LEFT JOIN %s AS %s ON %s.%s = %s.%s AND %s.%s = %s.%s WHERE %s.%s = %s AND %s.%s = %s AND %s.%s = %d AND %s.%s = %d AND (%s.%s IS NULL OR %s.%s <= NOW()) AND (%s.%s IS NULL OR %s.%s > NOW())), 0)",
packageAlias,
packageColumns.FlowMb,
bindTable,
bindAlias,
packageTable,
packageAlias,
bindAlias,
bindColumns.PackageCode,
packageAlias,
packageColumns.PackageCode,
bindAlias,
bindColumns.TenantId,
packageAlias,
packageColumns.TenantId,
bindAlias,
bindColumns.Iccid,
column(cardAlias, cardColumns.Iccid),
bindAlias,
bindColumns.TenantId,
column(cardAlias, cardColumns.TenantId),
bindAlias,
bindColumns.PackageType,
consts.PackageTypeCardAddPackage,
bindAlias,
bindColumns.EffectiveStatus,
consts.EffectiveStatusEffective,
bindAlias,
bindColumns.EffectiveTime,
bindAlias,
bindColumns.EffectiveTime,
bindAlias,
bindColumns.ExpectedExpireTime,
bindAlias,
bindColumns.ExpectedExpireTime,
)
}
func TotalFlowExpr(cardAlias, currentPackageAlias string) string {
return fmt.Sprintf(
"(%s + %s)",
MainPackageFlowExpr(cardAlias, currentPackageAlias),
ActiveCardTopupFlowExpr(cardAlias),
)
}
func RemainFlowExpr(cardAlias, currentPackageAlias string) string {
return fmt.Sprintf(
"GREATEST(%s - IFNULL(%s, 0), 0)",
TotalFlowExpr(cardAlias, currentPackageAlias),
column(cardAlias, dao.TSimCardInfo.Columns().UsedFlowMb),
)
}
func ExhaustedCondition(cardAlias, currentPackageAlias string) string {
return fmt.Sprintf(
"%s <= IFNULL(%s, 0)",
TotalFlowExpr(cardAlias, currentPackageAlias),
column(cardAlias, dao.TSimCardInfo.Columns().UsedFlowMb),
)
}
func column(alias, name string) string {
alias = strings.TrimSpace(alias)
if alias == "" {
return name
}
return alias + "." + name
}