chore(init): 初始化解忧商行项目并完成 Phase 0 基座
This commit is contained in:
yml2213
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package order
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import (
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"encoding/json"
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"math"
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"strconv"
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"time"
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"hfb_sys/backend/internal/model"
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"hfb_sys/backend/internal/modules/rentergrowth"
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"hfb_sys/backend/pkg/money"
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"gorm.io/datatypes"
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)
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type orderPricing struct {
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RentAmountCent int64
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OwnerRentAmountCent int64
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PlatformFeeCent int64
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PureCoinAmountCent int64
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OwnerPureCoinAmountCent int64
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ExtraItemAmountCent int64
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OwnerExtraItemAmountCent int64
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PureCoinPlatformFeeCent int64
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}
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type checkoutSettlement struct {
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OwnerRentIncomeCent int64
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DepositCompensationCent int64
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OwnerIncomeCent int64
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RentRefundCent int64
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DepositRefundCent int64
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RenterRefundCent int64
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PlatformFeeCent int64
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ActualRentAmountCent int64
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PureCoinAmountCent int64
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PureCoinDiscountCent int64
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PureCoinPayableCent int64
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ExtraItemAmountCent int64
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CoinConsumedM float64
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OvershootAmountCent int64
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ShortfallCent int64
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}
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// ActualPureCoinAmounts 是跨正常结账与仲裁共用的最终纯币计价结果。
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type ActualPureCoinAmounts struct {
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AmountCent int64
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DiscountCent int64
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PayableCent int64
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ConsumedM float64
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}
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// ActualCheckoutSettlement 是正常结账与仲裁共用的实际消耗结算结果。
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type ActualCheckoutSettlement struct {
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OwnerRentIncomeCent int64
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DepositCompensationCent int64
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OwnerIncomeCent int64
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RentRefundCent int64
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DepositRefundCent int64
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RenterRefundCent int64
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PlatformFeeCent int64
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ActualRentAmountCent int64
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PureCoinAmountCent int64
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PureCoinDiscountCent int64
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PureCoinPayableCent int64
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ExtraItemAmountCent int64
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CoinConsumedM float64
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OvershootAmountCent int64
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ShortfallCent int64
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}
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// CalculateActualPureCoinAmounts 按订单价格快照和实际消耗 M 计算纯币原价及等级优惠。
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func CalculateActualPureCoinAmounts(order model.RentalOrder, coinConsumedM float64) ActualPureCoinAmounts {
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settlement := CalculateActualCheckoutSettlement(order, 0, coinConsumedM, 0)
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return ActualPureCoinAmounts{
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AmountCent: settlement.PureCoinAmountCent,
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DiscountCent: settlement.PureCoinDiscountCent,
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PayableCent: settlement.PureCoinPayableCent,
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ConsumedM: settlement.CoinConsumedM,
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}
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}
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// CalculateActualCheckoutSettlement 按实际纯币和额外物品消耗计算完整结算。
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func CalculateActualCheckoutSettlement(order model.RentalOrder, consumableAmountCent int64, coinConsumedM float64, depositDeductAmountCent int64) ActualCheckoutSettlement {
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return toActualCheckoutSettlement(calculateCheckoutSettlement(order, consumableAmountCent, coinConsumedM, depositDeductAmountCent))
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}
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func toActualCheckoutSettlement(settlement checkoutSettlement) ActualCheckoutSettlement {
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return ActualCheckoutSettlement{
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OwnerRentIncomeCent: settlement.OwnerRentIncomeCent,
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DepositCompensationCent: settlement.DepositCompensationCent,
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OwnerIncomeCent: settlement.OwnerIncomeCent,
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RentRefundCent: settlement.RentRefundCent,
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DepositRefundCent: settlement.DepositRefundCent,
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RenterRefundCent: settlement.RenterRefundCent,
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PlatformFeeCent: settlement.PlatformFeeCent,
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ActualRentAmountCent: settlement.ActualRentAmountCent,
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PureCoinAmountCent: settlement.PureCoinAmountCent,
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PureCoinDiscountCent: settlement.PureCoinDiscountCent,
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PureCoinPayableCent: settlement.PureCoinPayableCent,
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ExtraItemAmountCent: settlement.ExtraItemAmountCent,
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CoinConsumedM: settlement.CoinConsumedM,
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OvershootAmountCent: settlement.OvershootAmountCent,
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ShortfallCent: settlement.ShortfallCent,
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}
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}
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func orderDurationHours(order model.RentalOrder) int {
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if order.EstimatedDurationHours > 0 {
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return order.EstimatedDurationHours
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}
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return internalOrderHours
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}
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func orderEstimatedEndAt(order model.RentalOrder) *time.Time {
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if order.RentedAt == nil {
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return nil
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}
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durationHours := orderDurationHours(order)
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if durationHours <= 0 {
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return nil
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}
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endAt := order.RentedAt.Add(time.Duration(durationHours) * time.Hour)
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return &endAt
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}
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// orderListingTerms 用下单快照里的哈夫币和日损耗估算租期，和首页「可租 / 消耗」同一口径。
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func orderListingTerms(snapshot datatypes.JSON) (days int, dailyLossM float64) {
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dailyLossM = readOrderSnapshotAssetNumber(snapshot, "daily_loss_m")
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coinM := readOrderSnapshotCoinM(snapshot)
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if dailyLossM <= 0 || coinM <= 0 {
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return 0, 0
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}
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days = int(math.Ceil(coinM / dailyLossM))
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if days < 1 {
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days = 1
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}
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return days, roundQuantity(dailyLossM)
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}
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func estimateOrderDurationHours(snapshot datatypes.JSON) int {
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hafCoinM := readOrderSnapshotCoinM(snapshot)
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if hafCoinM <= 0 {
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return internalOrderHours
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}
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dailyLossM := readOrderSnapshotAssetNumber(snapshot, "daily_loss_m")
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if dailyLossM <= 0 {
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return internalOrderHours
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}
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days := hafCoinM / dailyLossM
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if days <= 0 {
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return internalOrderHours
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}
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// 不足整天按整天向上取整，例如 1.3 / 1.7 天均按 2 天计
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daysCeil := int(math.Ceil(days))
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if daysCeil < 1 {
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daysCeil = 1
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}
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hours := daysCeil * 24
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return hours
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}
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func buildOrderPricing(listing model.RentalListing, account model.GameAccount) orderPricing {
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rentAmountCent := listing.PriceCent
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ownerRentAmountCent := int64(math.Round(readSnapshotPrice(account.AssetSummary, "seller_total_price") * 100))
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if ownerRentAmountCent <= 0 || ownerRentAmountCent > rentAmountCent {
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ownerRentAmountCent = rentAmountCent
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}
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platformFeeCent := int64(math.Round(readSnapshotPrice(account.AssetSummary, "platform_markup_amount") * 100))
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if platformFeeCent <= 0 || ownerRentAmountCent+platformFeeCent != rentAmountCent {
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platformFeeCent = rentAmountCent - ownerRentAmountCent
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}
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if platformFeeCent < 0 {
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platformFeeCent = 0
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}
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pureCoinAmountCent := int64(math.Round(readSnapshotPrice(account.AssetSummary, "buyer_coin_base_price") * 100))
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extraItemSnapshotCent := int64(math.Round(readSnapshotPrice(account.AssetSummary, "consumable_price") * 100))
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if pureCoinAmountCent <= 0 {
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if extraItemSnapshotCent > 0 && extraItemSnapshotCent <= rentAmountCent {
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pureCoinAmountCent = rentAmountCent - extraItemSnapshotCent
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} else {
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pureCoinAmountCent = rentAmountCent
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}
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}
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if pureCoinAmountCent < 0 || pureCoinAmountCent > rentAmountCent {
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pureCoinAmountCent = rentAmountCent
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}
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extraItemAmountCent := maxCent(rentAmountCent-pureCoinAmountCent, 0)
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ownerPureCoinAmountCent := int64(math.Round(readSnapshotPrice(account.AssetSummary, "seller_coin_base_price") * 100))
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if ownerPureCoinAmountCent <= 0 || ownerPureCoinAmountCent > ownerRentAmountCent {
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ownerPureCoinAmountCent = maxCent(ownerRentAmountCent-minCent(extraItemAmountCent, ownerRentAmountCent), 0)
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}
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ownerExtraItemAmountCent := maxCent(ownerRentAmountCent-ownerPureCoinAmountCent, 0)
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pureCoinPlatformFeeCent := maxCent(pureCoinAmountCent-ownerPureCoinAmountCent, 0)
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return orderPricing{
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RentAmountCent: rentAmountCent,
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OwnerRentAmountCent: ownerRentAmountCent,
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PlatformFeeCent: platformFeeCent,
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PureCoinAmountCent: pureCoinAmountCent,
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OwnerPureCoinAmountCent: ownerPureCoinAmountCent,
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ExtraItemAmountCent: extraItemAmountCent,
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OwnerExtraItemAmountCent: ownerExtraItemAmountCent,
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PureCoinPlatformFeeCent: pureCoinPlatformFeeCent,
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}
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}
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func readSnapshotPrice(raw datatypes.JSON, key string) float64 {
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return readOrderSnapshotPrice(raw, key)
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}
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func readOrderSnapshotPrice(raw datatypes.JSON, key string) float64 {
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if len(raw) == 0 {
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return 0
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}
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var snapshot map[string]any
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if err := json.Unmarshal(raw, &snapshot); err != nil {
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return 0
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}
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if assetSummary, ok := snapshot["asset_summary"].(map[string]any); ok {
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snapshot = assetSummary
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}
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breakdown, ok := snapshot["price_breakdown"].(map[string]any)
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if !ok {
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return 0
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}
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return readJSONNumber(breakdown[key])
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}
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func readJSONNumber(value any) float64 {
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switch typed := value.(type) {
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case float64:
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return typed
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case float32:
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return float64(typed)
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case int:
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return float64(typed)
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case int64:
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return float64(typed)
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case json.Number:
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number, err := typed.Float64()
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if err != nil {
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return 0
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}
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return number
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case string:
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number, err := strconv.ParseFloat(typed, 64)
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if err != nil {
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return 0
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}
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return number
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default:
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return 0
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}
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}
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func buildCheckout(order model.RentalOrder, initiatedBy uint64, status string, content string, evidenceURLS []string, consumableAmountCent int64, coinConsumedM float64, otherAmountCent int64, explicitDeductCent int64, useExplicitDeduct bool) (model.OrderCheckout, error) {
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if consumableAmountCent < 0 || coinConsumedM < 0 || otherAmountCent < 0 || explicitDeductCent < 0 {
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return model.OrderCheckout{}, ErrInvalidCheckoutAmount
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}
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deductAmountCent := otherAmountCent
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if useExplicitDeduct {
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deductAmountCent = explicitDeductCent
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}
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settlement := calculateCheckoutSettlement(order, consumableAmountCent, roundQuantity(coinConsumedM), deductAmountCent)
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evidence, err := marshalStringList(evidenceURLS)
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if err != nil {
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return model.OrderCheckout{}, err
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}
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return model.OrderCheckout{
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OrderID: order.ID,
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InitiatedBy: initiatedBy,
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Status: status,
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RentAmountCent: settlement.ActualRentAmountCent,
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OwnerRentAmountCent: settlement.OwnerRentIncomeCent,
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PlatformFeeCent: settlement.PlatformFeeCent,
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DepositAmountCent: order.DepositAmountCent,
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PureCoinAmountCent: settlement.PureCoinAmountCent,
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PureCoinDiscountCent: settlement.PureCoinDiscountCent,
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PureCoinPayableCent: settlement.PureCoinPayableCent,
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ConsumableAmountCent: consumableAmountCent,
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CoinConsumedM: roundQuantity(coinConsumedM),
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OtherAmountCent: otherAmountCent,
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// 存用户申报的押金赔付（损坏等），打超由结算自动计入 shortfall/overshoot
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DepositDeductAmountCent: deductAmountCent,
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RenterRefundAmountCent: settlement.RenterRefundCent,
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OwnerIncomeAmountCent: settlement.OwnerIncomeCent,
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ShortfallCent: settlement.ShortfallCent,
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OvershootAmountCent: settlement.OvershootAmountCent,
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Content: content,
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EvidenceURLS: evidence,
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}, nil
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}
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func buildCheckoutSettlement(order model.RentalOrder, checkout *model.OrderCheckout) checkoutSettlement {
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return calculateCheckoutSettlement(order, checkout.ConsumableAmountCent, checkout.CoinConsumedM, effectiveCheckoutDepositDeductCent(*checkout))
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}
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// effectiveCheckoutDepositDeductCent keeps legacy checkouts that only populated
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// other_amount_cent from losing their deposit compensation at finalization.
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func effectiveCheckoutDepositDeductCent(checkout model.OrderCheckout) int64 {
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if checkout.DepositDeductAmountCent > 0 {
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return checkout.DepositDeductAmountCent
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}
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return maxCent(checkout.OtherAmountCent, 0)
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}
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func orderConsumptionPrepaidCent(order model.RentalOrder) int64 {
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return order.RentAmountCent
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}
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func calculateCheckoutSettlement(order model.RentalOrder, consumableAmountCent int64, coinConsumedM float64, depositDeductAmountCent int64) checkoutSettlement {
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orderRentAmountCent := orderConsumptionPrepaidCent(order)
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orderOwnerRentAmountCent := order.OwnerRentAmountCent
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orderDepositAmountCent := order.DepositAmountCent
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buyerCoinBasePriceCent := orderPureCoinOriginalAmountCent(order)
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sellerCoinBasePriceCent := int64(math.Round(readOrderSnapshotPrice(order.AccountSnapshot, "seller_coin_base_price") * 100))
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if sellerCoinBasePriceCent <= 0 || sellerCoinBasePriceCent > orderOwnerRentAmountCent {
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ownerExtraItemCent := minCent(orderExtraItemOriginalAmountCent(order), orderOwnerRentAmountCent)
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sellerCoinBasePriceCent = maxCent(orderOwnerRentAmountCent-ownerExtraItemCent, 0)
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}
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prepaidConsumablePriceCent := orderExtraItemOriginalAmountCent(order)
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prepaidOwnerConsumablePriceCent := maxCent(orderOwnerRentAmountCent-sellerCoinBasePriceCent, 0)
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consumedM := roundQuantity(coinConsumedM)
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totalCoinM := readOrderSnapshotCoinM(order.AccountSnapshot)
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buyerRatio := readOrderSnapshotPrice(order.AccountSnapshot, "buyer_ratio")
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sellerRatio := readOrderSnapshotPrice(order.AccountSnapshot, "seller_ratio")
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// 币费：优先按各自比例 × 实际消耗；无比例时回退到预收币基价 × (消耗/发布量)，允许 >1（打超）
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// 无发布量快照时保持旧行为：按全额使用（ratio=1）
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coinUseRatio := coinConsumptionRatio(consumedM, totalCoinM)
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var usedBuyerCoinPriceCent, usedOwnerCoinPriceCent int64
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if buyerRatio > 0 && (totalCoinM > 0 || consumedM > 0) {
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// 价(元) = 消耗M×100 / ratio；分 = 元×100
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usedBuyerCoinPriceCent = int64(math.Round(consumedM * 10000 / buyerRatio))
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} else {
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usedBuyerCoinPriceCent = int64(math.Round(float64(buyerCoinBasePriceCent) * coinUseRatio))
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}
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if sellerRatio > 0 && (totalCoinM > 0 || consumedM > 0) {
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usedOwnerCoinPriceCent = int64(math.Round(consumedM * 10000 / sellerRatio))
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} else {
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usedOwnerCoinPriceCent = int64(math.Round(float64(sellerCoinBasePriceCent) * coinUseRatio))
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}
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coinOvershoot := totalCoinM > 0 && consumedM > totalCoinM
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if !coinOvershoot {
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// 未打超时，比例反推只能用于折算未用完部分，不能因四舍五入超过订单快照。
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if totalCoinM > 0 && consumedM >= totalCoinM {
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usedBuyerCoinPriceCent = buyerCoinBasePriceCent
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usedOwnerCoinPriceCent = sellerCoinBasePriceCent
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} else {
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usedBuyerCoinPriceCent = minCent(usedBuyerCoinPriceCent, buyerCoinBasePriceCent)
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usedOwnerCoinPriceCent = minCent(usedOwnerCoinPriceCent, sellerCoinBasePriceCent)
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}
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}
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// 消耗品按申报金额计价，允许超过预收；号主侧按预收消耗品占比外推，超额及无预收损耗全额归号主
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usedBuyerConsumablePriceCent := maxCent(consumableAmountCent, 0)
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var usedOwnerConsumablePriceCent int64
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if prepaidConsumablePriceCent > 0 {
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if usedBuyerConsumablePriceCent <= prepaidConsumablePriceCent {
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consumableUseRatio := maxRatio(float64(usedBuyerConsumablePriceCent)/float64(prepaidConsumablePriceCent), 0)
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usedOwnerConsumablePriceCent = int64(math.Round(float64(prepaidOwnerConsumablePriceCent) * consumableUseRatio))
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usedOwnerConsumablePriceCent = minCent(usedOwnerConsumablePriceCent, prepaidOwnerConsumablePriceCent)
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} else {
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// 预收范围内按号主预收基准，超出预收部分作为后置损耗全额划归号主（平台不抽成）
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excessCent := usedBuyerConsumablePriceCent - prepaidConsumablePriceCent
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usedOwnerConsumablePriceCent = prepaidOwnerConsumablePriceCent + excessCent
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}
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} else {
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// 原订单无预收消耗品，后置申报的消耗/损耗金额 100% 归号主，平台不抽成
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usedOwnerConsumablePriceCent = usedBuyerConsumablePriceCent
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}
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pureCoinPlatformFeeCent := maxCent(usedBuyerCoinPriceCent-usedOwnerCoinPriceCent, 0)
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pureCoinDiscountCent := rentergrowth.CalculateDiscountCent(usedBuyerCoinPriceCent, pureCoinPlatformFeeCent, effectiveRenterDiscountBps(order))
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pureCoinPayableCent := maxCent(usedBuyerCoinPriceCent-pureCoinDiscountCent, 0)
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actualBuyerRentCent := pureCoinPayableCent + usedBuyerConsumablePriceCent
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actualOwnerRentCent := usedOwnerCoinPriceCent + usedOwnerConsumablePriceCent
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if actualOwnerRentCent > actualBuyerRentCent {
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actualOwnerRentCent = actualBuyerRentCent
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}
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// 打超：实际租客侧费用超出预收租金的部分，从押金扣
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overshootCent := maxCent(actualBuyerRentCent-orderRentAmountCent, 0)
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damageRequestCent := maxCent(depositDeductAmountCent, 0)
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// 押金先覆盖损坏赔付，再覆盖打超；不足记 shortfall，禁止自动完结
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damageAppliedCent := minCent(damageRequestCent, orderDepositAmountCent)
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depositLeftAfterDamage := maxCent(orderDepositAmountCent-damageAppliedCent, 0)
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overshootCoveredCent := minCent(overshootCent, depositLeftAfterDamage)
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shortfallCent := maxCent(damageRequestCent-damageAppliedCent, 0) + maxCent(overshootCent-overshootCoveredCent, 0)
|
||||
|
||||
rentFromPrepaidCent := minCent(actualBuyerRentCent, orderRentAmountCent)
|
||||
rentRefundCent := maxCent(orderRentAmountCent-rentFromPrepaidCent, 0)
|
||||
depositUsedCent := damageAppliedCent + overshootCoveredCent
|
||||
depositRefundCent := maxCent(orderDepositAmountCent-depositUsedCent, 0)
|
||||
|
||||
// 可完结时租客实际承担的租金向金额；有 shortfall 时仍展示完整应付便于协商
|
||||
actualRentAmountCent := actualBuyerRentCent
|
||||
ownerRentIncomeCent := actualOwnerRentCent
|
||||
platformFeeCent := maxCent(actualRentAmountCent-ownerRentIncomeCent, 0)
|
||||
depositCompensationCent := damageAppliedCent
|
||||
|
||||
return checkoutSettlement{
|
||||
OwnerRentIncomeCent: ownerRentIncomeCent,
|
||||
DepositCompensationCent: depositCompensationCent,
|
||||
OwnerIncomeCent: ownerRentIncomeCent + depositCompensationCent,
|
||||
RentRefundCent: rentRefundCent,
|
||||
DepositRefundCent: depositRefundCent,
|
||||
RenterRefundCent: rentRefundCent + depositRefundCent,
|
||||
PlatformFeeCent: platformFeeCent,
|
||||
ActualRentAmountCent: actualRentAmountCent,
|
||||
PureCoinAmountCent: usedBuyerCoinPriceCent,
|
||||
PureCoinDiscountCent: pureCoinDiscountCent,
|
||||
PureCoinPayableCent: pureCoinPayableCent,
|
||||
ExtraItemAmountCent: usedBuyerConsumablePriceCent,
|
||||
CoinConsumedM: consumedM,
|
||||
OvershootAmountCent: overshootCent,
|
||||
ShortfallCent: shortfallCent,
|
||||
}
|
||||
}
|
||||
|
||||
func orderPureCoinOriginalAmountCent(order model.RentalOrder) int64 {
|
||||
originalRentCent := effectiveRentOriginalAmountCent(order)
|
||||
if order.PureCoinOriginalAmountCent > 0 {
|
||||
return minCent(order.PureCoinOriginalAmountCent, originalRentCent)
|
||||
}
|
||||
if order.ExtraItemOriginalAmountCent > 0 {
|
||||
return maxCent(originalRentCent-minCent(order.ExtraItemOriginalAmountCent, originalRentCent), 0)
|
||||
}
|
||||
pureCoinCent := int64(math.Round(readOrderSnapshotPrice(order.AccountSnapshot, "buyer_coin_base_price") * 100))
|
||||
if pureCoinCent > 0 && pureCoinCent <= originalRentCent {
|
||||
return pureCoinCent
|
||||
}
|
||||
extraItemCent := int64(math.Round(readOrderSnapshotPrice(order.AccountSnapshot, "consumable_price") * 100))
|
||||
if extraItemCent > 0 && extraItemCent <= originalRentCent {
|
||||
return originalRentCent - extraItemCent
|
||||
}
|
||||
return originalRentCent
|
||||
}
|
||||
|
||||
func orderExtraItemOriginalAmountCent(order model.RentalOrder) int64 {
|
||||
originalRentCent := effectiveRentOriginalAmountCent(order)
|
||||
if order.ExtraItemOriginalAmountCent > 0 {
|
||||
return minCent(order.ExtraItemOriginalAmountCent, originalRentCent)
|
||||
}
|
||||
pureCoinCent := orderPureCoinOriginalAmountCent(order)
|
||||
return maxCent(originalRentCent-pureCoinCent, 0)
|
||||
}
|
||||
|
||||
func readOrderSnapshotCoinM(raw datatypes.JSON) float64 {
|
||||
if len(raw) == 0 {
|
||||
return 0
|
||||
}
|
||||
var snapshot map[string]any
|
||||
if err := json.Unmarshal(raw, &snapshot); err != nil {
|
||||
return 0
|
||||
}
|
||||
return roundQuantity(readJSONNumber(snapshot["haf_coin_amount"]) / 1000000)
|
||||
}
|
||||
|
||||
// coinConsumptionRatio 实际消耗相对发布量的比例，允许 >1 表示打超。
|
||||
// publishedM<=0 时视为无快照，回退为全额使用（兼容旧单测/无币价场景）。
|
||||
func coinConsumptionRatio(consumedM, publishedM float64) float64 {
|
||||
if publishedM > 0 {
|
||||
return maxRatio(roundQuantity(consumedM)/publishedM, 0)
|
||||
}
|
||||
return 1
|
||||
}
|
||||
|
||||
func readOrderSnapshotAssetNumber(raw datatypes.JSON, key string) float64 {
|
||||
if len(raw) == 0 {
|
||||
return 0
|
||||
}
|
||||
var snapshot map[string]any
|
||||
if err := json.Unmarshal(raw, &snapshot); err != nil {
|
||||
return 0
|
||||
}
|
||||
assetSummary, ok := snapshot["asset_summary"].(map[string]any)
|
||||
if !ok {
|
||||
return readJSONNumber(snapshot[key])
|
||||
}
|
||||
if value, ok := assetSummary[key]; ok {
|
||||
return readJSONNumber(value)
|
||||
}
|
||||
return readJSONNumber(snapshot[key])
|
||||
}
|
||||
|
||||
// roundMoney 使用统一的角精度（0.1元）
|
||||
func roundMoney(value float64) float64 {
|
||||
return money.Round(value)
|
||||
}
|
||||
|
||||
func roundQuantity(value float64) float64 {
|
||||
return math.Round(value*100) / 100
|
||||
}
|
||||
|
||||
// minMoney 返回较小金额（角精度）
|
||||
func minMoney(a float64, b float64) float64 {
|
||||
return money.Min(a, b)
|
||||
}
|
||||
|
||||
// maxMoney 返回较大金额（角精度）
|
||||
func maxMoney(a float64, b float64) float64 {
|
||||
return money.Max(a, b)
|
||||
}
|
||||
|
||||
func minCent(a int64, b int64) int64 {
|
||||
if a < b {
|
||||
return a
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
||||
func maxCent(a int64, b int64) int64 {
|
||||
if a > b {
|
||||
return a
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
||||
func minRatio(a float64, b float64) float64 {
|
||||
if a < b {
|
||||
return a
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
||||
func maxRatio(a float64, b float64) float64 {
|
||||
if a > b {
|
||||
return a
|
||||
}
|
||||
return b
|
||||
}
|
||||
Reference in New Issue
Block a user