Files
iotlcm/admin-svr/server/internal/logic/cardflow/sql_expr.go

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
}