feat: 重构顺运宝规格主链路 (#88)

admin/service/purchase_workflow.go

@@ -8,6 +8,7 @@ import (
 
 	"cmautobuy/admin/model"
 	"cmautobuy/admin/repository"
+	"cmautobuy/admin/spec"
 )
 
 // PddOptionChoice 是采集结果中的一个可购买规格组合。
@@ -75,7 +76,7 @@ func findPddChoice(raw, key string) (*PddOptionChoice, error) {
 	return nil, nil
 }
 
-// SaveSybMapping 保存顺运宝明细对应蝦皮 SKU 到当前 PDD 商品的可复用映射。
+// SaveSybMapping 保存顺运宝商品规格到当前 PDD 商品的可复用映射。
 func SaveSybMapping(db *sql.DB, sybID, optionKey, operator string) error {
 	tx, err := db.Begin()
 	if err != nil {
@@ -89,8 +90,12 @@ func SaveSybMapping(db *sql.DB, sybID, optionKey, operator string) error {
 	if context == nil {
 		return fmt.Errorf("顺运宝明细不存在")
 	}
-	if context.Order.ShopeeSKUID == "" {
-		return fmt.Errorf("请先确认蝦皮规格")
+	key, err := spec.SpecKey(context.Order.ProductSpec)
+	if err != nil || context.Order.SpecKey == "" {
+		return fmt.Errorf("顺运宝未提供有效规格，不能保存映射")
+	}
+	if key != context.Order.SpecKey {
+		return fmt.Errorf("顺运宝规格身份键不一致，请联系维护者检查数据")
 	}
 	if context.PddGoodsID == "" || context.PddCollectStatus != string(model.CollectCollected) ||
 		strings.TrimSpace(context.PddSkusJSON) == "" {
@@ -103,11 +108,11 @@ func SaveSybMapping(db *sql.DB, sybID, optionKey, operator string) error {
 	if choice == nil {
 		return fmt.Errorf("所选 PDD 规格已不存在或不可购买，请刷新后重试")
 	}
-	if err := repository.UpsertSKUMapping(tx, model.SKUMapping{
-		ShopeeSKUID: context.Order.ShopeeSKUID, PddGoodsID: context.PddGoodsID,
+	if err := repository.UpsertSpecMapping(tx, model.SpecMapping{
+		ShopeeGoodsID: context.Order.ShopeeGoodsID, SpecKey: key,
+		SpecRaw: context.Order.ProductSpec, PddGoodsID: context.PddGoodsID,
 		PddOptionKey: choice.Key, PddOptions: choice.OptionsJSON,
-		GoodsID: context.Order.ShopeeGoodsID, MappedAt: model.NowISO(),
-		MappedBy: strings.TrimSpace(operator),
+		MappedAt: model.NowISO(), MappedBy: strings.TrimSpace(operator),
 	}); err != nil {
 		return err
 	}
@@ -179,7 +184,7 @@ func CreatePurchaseTasks(db *sql.DB, actor *model.User, requests []PurchaseTaskR
 		if err := repository.InsertPurchaseTask(tx, model.Task{
 			TaskID: newPurchaseTaskID(), AssignedClient: clientID,
 			SybID: context.Order.SybID, OrderNo: context.Order.OrderNo,
-			GoodsID: context.Order.ShopeeGoodsID, ShopeeSKUID: context.Order.ShopeeSKUID,
+			GoodsID:     context.Order.ShopeeGoodsID,
 			PddGoodsURL: context.PddGoodsURL, PddGoodsID: context.PddGoodsID,
 			PddOptions: optionsJSON, Quantity: context.Order.Quantity,
 			MaxPriceCent: request.MaxPriceCent,
@@ -202,8 +207,8 @@ func validatePurchaseRequest(q repository.Execer, request PurchaseTaskRequest) (
 	if context == nil {
 		return "顺运宝明细不存在", nil, "", nil
 	}
-	if context.Order.ShopeeSKUID == "" {
-		return "蝦皮规格未确认", context, "", nil
+	if context.Order.SpecKey == "" {
+		return "顺运宝未提供规格", context, "", nil
 	}
 	if context.PddGoodsID == "" || context.PddGoodsURL == "" {
 		return "未关联 PDD 商品", context, "", nil