132 lines
4.4 KiB
Go
132 lines
4.4 KiB
Go
package service
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import (
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"database/sql"
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"errors"
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"fmt"
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"strings"
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"cmautobuy/admin/repository"
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)
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// ErrPddAssociationReplaceRequired 表示当前蝦皮商品已经关联了另一个 PDD 商品。
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var ErrPddAssociationReplaceRequired = errors.New("更换 PDD 商品需要明确确认")
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const canonicalPddGoodsURL = "https://mobile.yangkeduo.com/goods.html?goods_id="
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// normalizeSybPddReference 只在顺运宝详情入口兼容纯商品 ID。
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// 其他入口仍沿用完整 PDD 链接校验，避免无意扩大已经确认的输入范围。
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func normalizeSybPddReference(raw string) (string, error) {
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value := strings.TrimSpace(raw)
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if value == "" {
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return "", fmt.Errorf("%w: PDD 商品链接或商品 ID 不能为空", ErrBadPddURL)
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}
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if isGoodsID(value) {
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return canonicalPddGoodsURL + value, nil
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}
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if isASCIIDigits(value) {
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return "", fmt.Errorf("%w: PDD 商品 ID 必须是 6～24 位纯数字", ErrBadPddURL)
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}
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if !strings.Contains(value, "://") {
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return "", fmt.Errorf("%w: 请输入带 goods_id 的完整拼多多链接，或 6～24 位纯数字商品 ID", ErrBadPddURL)
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}
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return value, nil
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}
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func isASCIIDigits(value string) bool {
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for _, char := range value {
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if char < '0' || char > '9' {
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return false
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}
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}
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return true
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}
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// AssociateShopeePdd 把蝦皮商品关联到 PDD 商品档案。
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// 解析、建档/复活和关联更新在同一事务内完成，任一步失败都不留下半成品。
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func AssociateShopeePdd(db *sql.DB, shopeeGoodsID, rawURL string, confirmReplace bool) (string, error) {
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shopeeGoodsID = strings.TrimSpace(shopeeGoodsID)
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rawURL = strings.TrimSpace(rawURL)
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pddGoodsID, err := ParsePddGoodsID(rawURL)
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if err != nil {
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return "", err
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}
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tx, err := db.Begin()
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if err != nil {
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return "", fmt.Errorf("开始关联 PDD 商品事务失败: %w", err)
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}
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defer tx.Rollback()
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product, err := repository.GetShopeeProductByGoodsID(tx, shopeeGoodsID)
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if err != nil {
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return "", err
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}
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if product == nil {
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return "", fmt.Errorf("蝦皮商品 %s 不存在", shopeeGoodsID)
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}
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if product.PddGoodsID != "" && product.PddGoodsID != pddGoodsID && !confirmReplace {
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return "", fmt.Errorf("%w：当前是 %s，新链接解析为 %s",
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ErrPddAssociationReplaceRequired, product.PddGoodsID, pddGoodsID)
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}
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if _, err := repository.EnsurePddProduct(tx, pddGoodsID, rawURL); err != nil {
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return "", err
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}
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if err := repository.UpdateShopeePddLink(tx, shopeeGoodsID, pddGoodsID, rawURL); err != nil {
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return "", err
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}
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if err := tx.Commit(); err != nil {
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return "", fmt.Errorf("提交 PDD 商品关联失败: %w", err)
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}
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return pddGoodsID, nil
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}
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// CreateShopeePddCollectTask 按蝦皮商品当前关联创建采集任务，避免相信表单里的 PDD ID。
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func CreateShopeePddCollectTask(db *sql.DB, shopeeGoodsID string) (CollectTaskResult, error) {
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product, err := repository.GetShopeeProductByGoodsID(db, strings.TrimSpace(shopeeGoodsID))
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if err != nil {
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return CollectTaskResult{}, err
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}
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if product == nil {
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return CollectTaskResult{}, fmt.Errorf("蝦皮商品不存在")
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}
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if product.PddGoodsID == "" {
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return CollectTaskResult{}, fmt.Errorf("请先关联 PDD 商品")
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}
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return CreatePddCollectTasks(db, []string{product.PddGoodsID})
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}
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// AssociateSybPdd 从顺运宝明细解析出可信的蝦皮商品，再复用统一关联逻辑。
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func AssociateSybPdd(db *sql.DB, sybID, rawURL string, confirmReplace bool) (string, error) {
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context, err := repository.GetSybOrderContext(db, strings.TrimSpace(sybID))
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if err != nil {
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return "", err
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}
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if context == nil {
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return "", fmt.Errorf("顺运宝明细不存在")
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}
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if context.Order.ShopeeGoodsID == "" {
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return "", fmt.Errorf("顺运宝未提供蝦皮商品 ID")
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}
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if context.Order.SpecKey == "" {
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return "", fmt.Errorf("顺运宝未提供规格，不能进入采购流程")
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}
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normalizedURL, err := normalizeSybPddReference(rawURL)
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if err != nil {
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return "", err
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}
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return AssociateShopeePdd(db, context.Order.ShopeeGoodsID, normalizedURL, confirmReplace)
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}
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// CreateSybPddCollectTask 按顺运宝明细当前关联创建采集任务。
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func CreateSybPddCollectTask(db *sql.DB, sybID string) (CollectTaskResult, error) {
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context, err := repository.GetSybOrderContext(db, strings.TrimSpace(sybID))
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if err != nil {
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return CollectTaskResult{}, err
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}
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if context == nil {
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return CollectTaskResult{}, fmt.Errorf("顺运宝明细不存在")
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}
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return CreateShopeePddCollectTask(db, context.Order.ShopeeGoodsID)
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}
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