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新增收款商户、商户池轮询、微信授权配置独立管理；三类新支付 （C端套餐购买、C端资产钱包充值、代理在线预存款充值）无条件 经商户池选择并冻结路由，无旧综合配置回退。merchant_id 为空 历史支付继续按 payment_config_id 双读。凭证版本化加载与 ID+版本缓存保证轮换一致性。删除商户池新支付创建开关及全部 引用。
103 lines
4.4 KiB
Go
103 lines
4.4 KiB
Go
package agentrecharge
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import (
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"strings"
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"github.com/break/junhong_cmp_fiber/internal/model"
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"github.com/break/junhong_cmp_fiber/pkg/constants"
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"github.com/break/junhong_cmp_fiber/pkg/errors"
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)
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// PaymentState 是支付单在确认用例中的领域状态。
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type PaymentState int
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const (
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// PaymentStatePending 表示支付单仍待确认。
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PaymentStatePending PaymentState = iota
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// PaymentStatePaid 表示支付单已确认收款。
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PaymentStatePaid
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// PaymentStateFailed 表示支付单曾被明确关闭。
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PaymentStateFailed
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// PaymentStateRefunded 表示支付单已经退款。
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PaymentStateRefunded
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)
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// PaymentConfirmationFacts 是支付确认所需的渠道与本地权威事实。
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type PaymentConfirmationFacts struct {
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OrderType string
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ExpectedOrderType string
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PaymentMethod string
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RechargePaymentMethod string
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RechargePaymentChannel string
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PaymentConfigID uint
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RechargePaymentConfigID uint
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ConfirmedConfigID uint
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FrozenMerchant bool
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FrozenMerchantPaymentMethod string
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FrozenMerchantProviderType string
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MerchantIdentity string
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ConfirmedMerchantIdentity string
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PaymentAmount int64
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RechargeAmount int64
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ConfirmedAmount int64
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PaymentOrderID uint
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RechargeID uint
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PaymentState PaymentState
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RechargeStatus int
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StoredTradeNo string
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ConfirmedTradeNo string
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}
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// ValidatePaymentConfirmation 校验支付确认不变量，并返回是否属于完全一致的重复确认。
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func ValidatePaymentConfirmation(facts PaymentConfirmationFacts) (bool, error) {
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if facts.ExpectedOrderType == "" || facts.OrderType != facts.ExpectedOrderType ||
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facts.RechargeID == 0 || facts.PaymentOrderID != facts.RechargeID {
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return false, errors.New(errors.CodeConflict, "支付单与代理充值单关联不一致")
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}
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method := strings.TrimSpace(facts.PaymentMethod)
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if method == "" || method != strings.TrimSpace(facts.RechargePaymentMethod) {
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return false, errors.New(errors.CodeConflict, "支付渠道与代理充值单不一致")
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}
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channel := strings.TrimSpace(facts.RechargePaymentChannel)
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if channel != method && !(method == constants.RechargeMethodWechat && channel == model.ProviderTypeFuiou) {
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return false, errors.New(errors.CodeConflict, "支付渠道与代理充值单不一致")
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}
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identity := strings.TrimSpace(facts.MerchantIdentity)
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if facts.FrozenMerchant {
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frozenMethod := strings.TrimSpace(facts.FrozenMerchantPaymentMethod)
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providerType := strings.TrimSpace(facts.FrozenMerchantProviderType)
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if identity == "" || frozenMethod != method || providerType == "" {
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return false, errors.New(errors.CodeConflict, "冻结商户支付事实不一致")
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}
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expectedChannel := method
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if method == constants.RechargeMethodWechat && providerType == model.ProviderTypeFuiou {
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expectedChannel = model.ProviderTypeFuiou
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}
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if channel != expectedChannel {
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return false, errors.New(errors.CodeConflict, "支付渠道与冻结商户不一致")
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}
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} else if facts.PaymentConfigID == 0 || facts.PaymentConfigID != facts.RechargePaymentConfigID ||
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facts.PaymentConfigID != facts.ConfirmedConfigID || identity == "" ||
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identity != strings.TrimSpace(facts.ConfirmedMerchantIdentity) {
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return false, errors.New(errors.CodeConflict, "支付配置身份与创建记录不一致")
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}
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tradeNo := strings.TrimSpace(facts.ConfirmedTradeNo)
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if tradeNo == "" || facts.ConfirmedAmount <= 0 || facts.PaymentAmount != facts.RechargeAmount ||
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facts.PaymentAmount != facts.ConfirmedAmount {
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return false, errors.New(errors.CodeConflict, "支付金额或第三方交易号无效")
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}
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if facts.PaymentState == PaymentStatePaid {
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if strings.TrimSpace(facts.StoredTradeNo) == tradeNo &&
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(facts.RechargeStatus == constants.RechargeStatusPaid || facts.RechargeStatus == constants.RechargeStatusCompleted) {
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return true, nil
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}
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return false, errors.New(errors.CodeConflict, "支付单已存在不一致的确认事实")
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}
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validPending := facts.PaymentState == PaymentStatePending && facts.RechargeStatus == constants.RechargeStatusPending
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validLateSuccess := facts.PaymentState == PaymentStateFailed && facts.RechargeStatus == constants.RechargeStatusClosed
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if !validPending && !validLateSuccess {
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return false, errors.New(errors.CodeInvalidStatus, "代理充值单当前状态不可确认支付")
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}
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return false, nil
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}
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