71 lines
2.5 KiB
Go
71 lines
2.5 KiB
Go
package app
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import (
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"infinite-canvas/backend/internal/kernel"
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"infinite-canvas/backend/internal/model"
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)
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func validateCreditCostPricing(capability, billingMode string, cost model.CreditCostPricing) error {
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for _, price := range []int64{cost.UnitPriceMicrocredits, cost.InputTokenPriceMicrocredits, cost.OutputTokenPriceMicrocredits, cost.CachedTokenPriceMicrocredits} {
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if price < 0 || price > 1_000_000_000_000 {
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return BadAuthRequest("积分成本价必须在 0 到 1000000 积分之间")
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}
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}
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if !cost.Configured {
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return nil
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}
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if billingMode != "token" {
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capability = ""
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}
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return validateTokenPrices(capability, cost.InputTokenPriceMicrocredits, cost.OutputTokenPriceMicrocredits, cost.CachedTokenPriceMicrocredits)
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}
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func snapshotCreditCost(order *model.BillingOrder, tier *model.ChannelModelPriceTier, quantity int64, estimate tokenBillingEstimate) {
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if tier == nil {
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return
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}
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order.CostPricing = tier.CostPricing
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order.CostBillingMode = tier.BillingMode
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order.CostQuantity = 1
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if tier.BillingMode == "per_second" {
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order.CostQuantity = quantity
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}
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if tier.BillingMode == "token" && estimate.Video != nil {
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order.CostVideoFormulaTokens = estimate.Video.FormulaTokens
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}
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}
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// 成本使用下单快照和真实用量，不套用销售倍率或用户扣费上限。
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// 未结算、未配置或无法确定用量时不编造金额，历史订单也不反查当前价格。
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func billingCreditCost(order model.BillingOrder) (*int64, error) {
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if !order.CostPricing.Configured || order.Status != model.BillingStatusSettled {
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return nil, nil
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}
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cost := order.CostPricing
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var amount int64
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var err error
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switch order.CostBillingMode {
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case "fixed_request", "per_second":
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amount, err = creditAmount(cost.UnitPriceMicrocredits, order.CostQuantity, 10_000)
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case "token":
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input, output, cached := order.InputTokens, order.OutputTokens, order.CachedTokens
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if !order.UsageAvailable {
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if order.Capability != "video" || order.CostVideoFormulaTokens <= 0 {
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return nil, nil
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}
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input, cached, output = 0, 0, order.CostVideoFormulaTokens
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}
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amount, err = kernel.TokenBillingAmount(10_000,
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kernel.TokenBillingTerm{Tokens: max(0, input-cached), PriceMicrocredits: cost.InputTokenPriceMicrocredits},
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kernel.TokenBillingTerm{Tokens: output, PriceMicrocredits: cost.OutputTokenPriceMicrocredits},
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kernel.TokenBillingTerm{Tokens: cached, PriceMicrocredits: cost.CachedTokenPriceMicrocredits},
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)
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default:
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return nil, nil
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}
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if err != nil {
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return nil, err
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}
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return &amount, nil
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}
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