2026-07-22 13:55:55 +08:00

68 lines
2.5 KiB
Go

package mysql
import (
"context"
"database/sql"
"errors"
"strconv"
"strings"
"hyapp/pkg/appcode"
"hyapp/pkg/xerr"
)
const defaultPointWithdrawalMinimumPoints int64 = 1_000_000
// walletPolicyInstance 只承载现有 POINT 提现和兑换仍需使用的参数。
// 礼物结算不得调用这个解析器;主播周期钻石只由礼物类型倍率和 Host 政策系数计算。
type walletPolicyInstance struct {
InstanceCode string
RegionID int64
PointsPerUSD int64
MinimumPoints int64
WithdrawFeeBPS int64
}
// resolveActiveWalletPolicy 延续既有 POINT 钱包已发布实例的区域优先、App 兜底语义。
// 查询由 idx_wallet_policy_active 覆盖配置筛选,不扫描账户、流水或礼物明细。
func (r *Repository) resolveActiveWalletPolicy(ctx context.Context, tx *sql.Tx, appCode string, regionID int64, nowMS int64) (walletPolicyInstance, bool, error) {
appCode = appcode.Normalize(appCode)
if regionID < 0 {
return walletPolicyInstance{}, false, xerr.New(xerr.InvalidArgument, "region_id is invalid")
}
row := tx.QueryRowContext(ctx, `
SELECT instance_code, region_id, points_per_usd, withdraw_fee_bps,
COALESCE(JSON_UNQUOTE(JSON_EXTRACT(rule_json, '$.host.minimum_withdraw_points')), '')
FROM wallet_policy_instances
WHERE app_code = ?
AND region_id IN (?, 0)
AND status = 'active'
AND effective_from_ms <= ?
AND (effective_to_ms = 0 OR effective_to_ms > ?)
ORDER BY CASE WHEN region_id = ? THEN 0 ELSE 1 END,
published_at_ms DESC, instance_code DESC
LIMIT 1`,
appCode, regionID, nowMS, nowMS, regionID,
)
var item walletPolicyInstance
var minimumPointsRaw string
if err := row.Scan(&item.InstanceCode, &item.RegionID, &item.PointsPerUSD, &item.WithdrawFeeBPS, &minimumPointsRaw); err != nil {
if errors.Is(err, sql.ErrNoRows) {
return walletPolicyInstance{}, false, nil
}
return walletPolicyInstance{}, false, err
}
item.MinimumPoints = defaultPointWithdrawalMinimumPoints
if strings.TrimSpace(minimumPointsRaw) != "" {
minimumPoints, err := strconv.ParseInt(strings.TrimSpace(minimumPointsRaw), 10, 64)
if err != nil {
return walletPolicyInstance{}, false, xerr.New(xerr.InvalidArgument, "wallet policy minimum withdrawal points is invalid")
}
item.MinimumPoints = minimumPoints
}
if item.InstanceCode == "" || item.PointsPerUSD <= 0 || item.MinimumPoints <= 0 || item.WithdrawFeeBPS < 0 || item.WithdrawFeeBPS > 10_000 {
return walletPolicyInstance{}, false, xerr.New(xerr.InvalidArgument, "wallet point policy is invalid")
}
return item, true, nil
}