Logan.LiandCursor
8cc2c83f9d
支持多产品计划展示、LICOFF 离线签发、支付独立配置与调试，以及分析看板；同步更新 README 与集成文档。 Co-authored-by: Cursor <cursoragent@cursor.com>
479 lines
13 KiB
Go
479 lines
13 KiB
Go
package payment
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import (
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"encoding/json"
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"fmt"
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"net/url"
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"os"
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"strings"
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"backend/internal/model"
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"gorm.io/gorm"
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)
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// WaffoConfig hosted checkout settings for pancake.waffo.ai // Logan.Li
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type WaffoConfig struct {
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CheckoutURL string
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StoreSlug string
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StoreID string
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MerchantID string
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ProductID string
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ProductIDYearly string
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ProductIDPerpetual string
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// ProductIDs 可扩展 plan_type → Product ID；优先于固定 yearly/perpetual 字段 // Logan.Li
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ProductIDs map[string]string
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Currency string // fallback / default
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CurrencyYearly string
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CurrencyPerpetual string
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Environment string
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SuccessURL string
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// PrivateKey RSA 私钥原文（PEM 或无头 Base64）；仅运行时使用，勿写入 API 响应 // Logan.Li
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PrivateKey string
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}
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// WaffoProductMapping 可扩展计划 key → Product ID（与管理端表格对齐） // Logan.Li
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type WaffoProductMapping struct {
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PlanKey string `json:"plan_key"`
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Label string `json:"label,omitempty"`
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ProductID string `json:"product_id"`
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}
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// WaffoPublicMeta 存入 payment_gateway_configs.public_key 的 JSON（无私钥） // Logan.Li
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type WaffoPublicMeta struct {
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MerchantID string `json:"merchant_id"`
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StoreID string `json:"store_id"`
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StoreSlug string `json:"store_slug"`
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ProductID string `json:"product_id"`
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ProductIDYearly string `json:"product_id_yearly"`
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ProductIDPerpetual string `json:"product_id_perpetual"`
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ProductIDs map[string]string `json:"product_ids,omitempty"` // 可扩展映射，兼容旧字段 // Logan.Li
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ProductMappings []WaffoProductMapping `json:"product_mappings,omitempty"` // 前端表格（含 label） // Logan.Li
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SuccessURL string `json:"success_url"`
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Currency string `json:"currency"`
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CurrencyYearly string `json:"currency_yearly"`
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CurrencyPerpetual string `json:"currency_perpetual"`
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Environment string `json:"environment"`
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CheckoutURL string `json:"checkout_url"`
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}
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// DefaultWebhookURL 对外 Webhook 地址（只读提示） // Logan.Li
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const DefaultWebhookURL = "https://l123.91ai.io/api/v1/webhooks/waffo"
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// DefaultSuccessURL 支付成功回跳默认地址 // Logan.Li
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const DefaultSuccessURL = "https://l123.91ai.io/api/v1/purchase/success"
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// HasAPIKeyAuth 是否具备商户 API Key 鉴权（Merchant ID + 私钥） // Logan.Li
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func (c WaffoConfig) HasAPIKeyAuth() bool {
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return strings.TrimSpace(c.MerchantID) != "" && strings.TrimSpace(c.PrivateKey) != ""
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}
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// LoadWaffoConfig 读取配置：后台 payment_gateway_configs 优先，.env 兜底 // Logan.Li
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func LoadWaffoConfig(db *gorm.DB) WaffoConfig {
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cfg := loadWaffoFromEnv()
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if db != nil {
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mergeWaffoFromDB(db, &cfg)
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}
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normalizeWaffoConfig(&cfg)
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return cfg
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}
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func loadWaffoFromEnv() WaffoConfig {
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env := strings.TrimSpace(os.Getenv("WAFFO_ENVIRONMENT"))
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if env == "" {
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env = "test"
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}
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success := strings.TrimSpace(os.Getenv("SUCCESS_URL"))
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if success == "" {
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success = DefaultSuccessURL
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}
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currency := strings.TrimSpace(os.Getenv("WAFFO_CURRENCY"))
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if currency == "" {
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currency = "CNY"
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}
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currencyYearly := strings.TrimSpace(os.Getenv("WAFFO_CURRENCY_YEARLY"))
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if currencyYearly == "" {
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currencyYearly = currency
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}
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currencyPerpetual := strings.TrimSpace(os.Getenv("WAFFO_CURRENCY_PERPETUAL"))
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if currencyPerpetual == "" {
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currencyPerpetual = currency
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}
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defaultProduct := strings.TrimSpace(os.Getenv("WAFFO_PRODUCT_ID"))
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yearly := strings.TrimSpace(os.Getenv("WAFFO_PRODUCT_ID_YEARLY"))
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perpetual := strings.TrimSpace(os.Getenv("WAFFO_PRODUCT_ID_PERPETUAL"))
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if yearly == "" {
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yearly = defaultProduct
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}
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if perpetual == "" {
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perpetual = defaultProduct
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}
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priv := firstNonEmpty(
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os.Getenv("WAFFO_PRIVATE_KEY"),
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os.Getenv("WAFFO_PRIVATE_KEY_PEM"),
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os.Getenv("WAFFO_PRIVATE_KEY_BASE64"),
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)
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return WaffoConfig{
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CheckoutURL: strings.TrimSpace(os.Getenv("WAFFO_CHECKOUT_URL")),
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StoreSlug: strings.TrimSpace(os.Getenv("WAFFO_STORE_SLUG")),
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StoreID: strings.TrimSpace(os.Getenv("WAFFO_STORE_ID")),
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MerchantID: strings.TrimSpace(os.Getenv("WAFFO_MERCHANT_ID")),
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ProductID: defaultProduct,
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ProductIDYearly: yearly,
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ProductIDPerpetual: perpetual,
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Currency: currency,
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CurrencyYearly: currencyYearly,
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CurrencyPerpetual: currencyPerpetual,
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Environment: env,
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SuccessURL: success,
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PrivateKey: strings.TrimSpace(priv),
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}
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}
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func mergeWaffoFromDB(db *gorm.DB, cfg *WaffoConfig) {
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var gw model.PaymentGatewayConfig
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if err := db.Where("gateway = ?", "waffo").First(&gw).Error; err != nil {
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return
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}
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meta := ParseWaffoPublicMeta(gw.PublicKey)
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if meta.MerchantID != "" {
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cfg.MerchantID = meta.MerchantID
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}
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if meta.StoreID != "" {
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cfg.StoreID = meta.StoreID
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}
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if meta.StoreSlug != "" {
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cfg.StoreSlug = meta.StoreSlug
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}
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if meta.ProductID != "" {
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cfg.ProductID = meta.ProductID
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}
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if meta.ProductIDYearly != "" {
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cfg.ProductIDYearly = meta.ProductIDYearly
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}
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if meta.ProductIDPerpetual != "" {
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cfg.ProductIDPerpetual = meta.ProductIDPerpetual
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}
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if len(meta.ProductIDs) > 0 {
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cfg.ProductIDs = cloneStringMap(meta.ProductIDs)
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}
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// product_mappings 优先补齐映射（可扩展 key） // Logan.Li
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if len(meta.ProductMappings) > 0 {
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if cfg.ProductIDs == nil {
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cfg.ProductIDs = map[string]string{}
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}
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for _, m := range meta.ProductMappings {
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k := strings.TrimSpace(strings.ToLower(m.PlanKey))
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v := strings.TrimSpace(m.ProductID)
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if k == "" || v == "" {
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continue
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}
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cfg.ProductIDs[k] = v
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}
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}
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if meta.SuccessURL != "" {
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cfg.SuccessURL = meta.SuccessURL
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}
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if meta.Currency != "" {
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cfg.Currency = meta.Currency
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}
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if meta.CurrencyYearly != "" {
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cfg.CurrencyYearly = meta.CurrencyYearly
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}
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if meta.CurrencyPerpetual != "" {
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cfg.CurrencyPerpetual = meta.CurrencyPerpetual
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}
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if meta.CheckoutURL != "" {
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cfg.CheckoutURL = meta.CheckoutURL
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}
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if meta.Environment != "" {
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cfg.Environment = meta.Environment
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} else if gw.SandboxMode {
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cfg.Environment = "test"
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} else {
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cfg.Environment = "live"
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}
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if strings.TrimSpace(gw.Currency) != "" && cfg.Currency == "" {
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cfg.Currency = gw.Currency
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}
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if strings.TrimSpace(gw.SecretKey) != "" {
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cfg.PrivateKey = strings.TrimSpace(gw.SecretKey)
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}
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}
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func normalizeWaffoConfig(cfg *WaffoConfig) {
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if cfg.Currency == "" {
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cfg.Currency = "CNY"
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}
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if cfg.CurrencyYearly == "" {
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cfg.CurrencyYearly = cfg.Currency
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}
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if cfg.CurrencyPerpetual == "" {
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cfg.CurrencyPerpetual = cfg.Currency
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}
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if cfg.ProductIDs == nil {
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cfg.ProductIDs = map[string]string{}
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}
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// 旧字段回填到可扩展映射，便于统一解析 // Logan.Li
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if cfg.ProductIDYearly != "" {
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if _, ok := cfg.ProductIDs["yearly"]; !ok {
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cfg.ProductIDs["yearly"] = cfg.ProductIDYearly
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}
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if _, ok := cfg.ProductIDs["monthly"]; !ok {
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cfg.ProductIDs["monthly"] = cfg.ProductIDYearly
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}
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}
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if cfg.ProductIDPerpetual != "" {
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if _, ok := cfg.ProductIDs["perpetual"]; !ok {
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cfg.ProductIDs["perpetual"] = cfg.ProductIDPerpetual
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}
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if _, ok := cfg.ProductIDs["lifetime"]; !ok {
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cfg.ProductIDs["lifetime"] = cfg.ProductIDPerpetual
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}
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}
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if cfg.ProductID != "" {
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if _, ok := cfg.ProductIDs["default"]; !ok {
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cfg.ProductIDs["default"] = cfg.ProductID
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}
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}
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// 映射回写固定字段，保持 GET 响应兼容 // Logan.Li
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if v := cfg.ProductIDs["yearly"]; v != "" {
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cfg.ProductIDYearly = v
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}
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if v := cfg.ProductIDs["perpetual"]; v != "" {
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cfg.ProductIDPerpetual = v
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}
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if cfg.ProductIDYearly == "" {
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cfg.ProductIDYearly = cfg.ProductID
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}
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if cfg.ProductIDPerpetual == "" {
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cfg.ProductIDPerpetual = cfg.ProductID
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}
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if cfg.SuccessURL == "" {
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cfg.SuccessURL = DefaultSuccessURL
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}
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env := strings.ToLower(strings.TrimSpace(cfg.Environment))
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switch env {
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case "prod", "production", "live":
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cfg.Environment = "live"
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default:
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cfg.Environment = "test"
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}
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}
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func cloneStringMap(in map[string]string) map[string]string {
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if len(in) == 0 {
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return map[string]string{}
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}
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out := make(map[string]string, len(in))
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for k, v := range in {
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k = strings.TrimSpace(strings.ToLower(k))
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v = strings.TrimSpace(v)
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if k == "" || v == "" {
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continue
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}
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out[k] = v
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}
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return out
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}
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// ParseWaffoPublicMeta 解析 public_key：JSON 或纯 Merchant ID 字符串 // Logan.Li
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func ParseWaffoPublicMeta(raw string) WaffoPublicMeta {
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raw = strings.TrimSpace(raw)
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if raw == "" {
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return WaffoPublicMeta{}
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}
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if strings.HasPrefix(raw, "{") {
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var meta WaffoPublicMeta
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if err := json.Unmarshal([]byte(raw), &meta); err == nil {
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return meta
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}
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}
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// 兼容旧值：public_key 直接存商户 ID // Logan.Li
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if strings.HasPrefix(raw, "MER_") {
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return WaffoPublicMeta{MerchantID: raw}
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}
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return WaffoPublicMeta{}
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}
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// EncodeWaffoPublicMeta 序列化公开配置 JSON // Logan.Li
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func EncodeWaffoPublicMeta(meta WaffoPublicMeta) (string, error) {
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b, err := json.Marshal(meta)
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if err != nil {
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return "", fmt.Errorf("序列化 Waffo 配置失败: %w", err)
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}
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return string(b), nil
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}
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func firstNonEmpty(values ...string) string {
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for _, v := range values {
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if s := strings.TrimSpace(v); s != "" {
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return s
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}
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}
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return ""
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}
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// BuildCheckoutURL returns a Waffo checkout URL via official create-session API
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// (orderMerchantExternalId + metadata). Hosted store page is last-resort fallback only. // Logan.Li
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func BuildCheckoutURL(cfg WaffoConfig, orderNo, deviceID, email, returnURL, planType string) (string, error) {
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success := cfg.SuccessURL
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if strings.TrimSpace(returnURL) != "" {
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success = strings.TrimSpace(returnURL)
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}
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success = appendQuery(success, map[string]string{
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"orderNo": orderNo,
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"deviceId": deviceID,
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"email": email,
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"planType": planType,
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})
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productID := productIDForPlan(cfg, planType)
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// Prefer create-session whenever Store Slug or API Key is available. // Logan.Li
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if cfg.HasAPIKeyAuth() || strings.TrimSpace(cfg.StoreSlug) != "" {
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if productID == "" {
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return "", fmt.Errorf("未配置包年/永久 Product ID")
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}
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session, err := CreateCheckoutSession(cfg, CreateSessionRequest{
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ProductID: productID,
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ProductType: checkoutTypeForPlan(planType),
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Currency: currencyForPlan(cfg, planType),
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BuyerEmail: email,
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SuccessURL: success,
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OrderMerchantExternalID: orderNo,
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Metadata: map[string]string{
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"orderNo": orderNo,
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"deviceId": deviceID,
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"email": email,
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"planType": planType,
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},
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StoreSlug: cfg.StoreSlug,
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Environment: cfg.Environment,
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})
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if err != nil {
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return "", err
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}
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return session.CheckoutURL, nil
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}
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u, err := resolveBaseCheckoutURL(cfg, planType)
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if err != nil {
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return "", err
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}
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q := u.Query()
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if q.Get("successUrl") == "" {
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q.Set("successUrl", success)
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}
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if deviceID != "" {
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q.Set("deviceId", deviceID)
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}
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if orderNo != "" {
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q.Set("orderNo", orderNo)
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}
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if email != "" {
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q.Set("email", email)
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}
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if planType != "" {
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q.Set("planType", planType)
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}
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u.RawQuery = q.Encode()
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return u.String(), nil
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}
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// ResolveProductID 按 plan_type 解析 Waffo Product ID（可扩展映射优先） // Logan.Li
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func ResolveProductID(cfg WaffoConfig, planType string) string {
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return productIDForPlan(cfg, planType)
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}
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func productIDForPlan(cfg WaffoConfig, planType string) string {
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plan := strings.TrimSpace(strings.ToLower(planType))
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if plan == "" {
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plan = "default"
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}
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if id := strings.TrimSpace(cfg.ProductIDs[plan]); id != "" {
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return id
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}
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switch plan {
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case "yearly", "monthly":
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if cfg.ProductIDYearly != "" {
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return cfg.ProductIDYearly
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}
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case "perpetual", "lifetime":
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if cfg.ProductIDPerpetual != "" {
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return cfg.ProductIDPerpetual
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}
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}
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if id := strings.TrimSpace(cfg.ProductIDs["default"]); id != "" {
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return id
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}
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if cfg.ProductID != "" {
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return cfg.ProductID
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}
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if cfg.ProductIDPerpetual != "" {
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return cfg.ProductIDPerpetual
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}
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return cfg.ProductIDYearly
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}
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func currencyForPlan(cfg WaffoConfig, planType string) string {
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switch strings.TrimSpace(planType) {
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case "yearly", "monthly":
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if cfg.CurrencyYearly != "" {
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return cfg.CurrencyYearly
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}
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case "perpetual", "lifetime":
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if cfg.CurrencyPerpetual != "" {
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return cfg.CurrencyPerpetual
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}
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}
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if cfg.Currency != "" {
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return cfg.Currency
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}
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return "CNY"
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}
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func checkoutTypeForPlan(planType string) string {
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// OpsXShell 包年 / 永久均为 Waffo onetime 商品（包年不再走 subscription）。 // Logan.Li
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_ = planType
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return "onetime"
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}
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func resolveBaseCheckoutURL(cfg WaffoConfig, planType string) (*url.URL, error) {
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productID := productIDForPlan(cfg, planType)
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if cfg.StoreSlug != "" && productID != "" {
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raw := fmt.Sprintf("https://pancake.waffo.ai/store/%s/product/%s", cfg.StoreSlug, productID)
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u, err := url.Parse(raw)
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if err != nil {
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return nil, err
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}
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q := u.Query()
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q.Set("type", checkoutTypeForPlan(planType))
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q.Set("currency", currencyForPlan(cfg, planType))
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if cfg.Environment == "test" {
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q.Set("test", "true")
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}
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u.RawQuery = q.Encode()
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return u, nil
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}
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if cfg.CheckoutURL != "" {
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return url.Parse(cfg.CheckoutURL)
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}
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return nil, fmt.Errorf("未配置 StoreSlug 与包年/永久 Product ID（或 CheckoutURL）")
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}
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func appendQuery(raw string, values map[string]string) string {
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u, err := url.Parse(raw)
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if err != nil {
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return raw
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}
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q := u.Query()
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for k, v := range values {
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if v != "" {
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q.Set(k, v)
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}
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}
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u.RawQuery = q.Encode()
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return u.String()
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}
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