244 lines
8.8 KiB
Go
244 lines
8.8 KiB
Go
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package service
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import (
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"context"
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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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"time"
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"cmautobuy/admin/model"
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"cmautobuy/admin/repository"
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"cmautobuy/admin/syb"
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)
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// InnerCodeWriter 是安全回写所需的最小顺运宝接口。
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type InnerCodeWriter interface {
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InnerCodeDetailReader
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DeleteInnerCode(context.Context, int64) error
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UpdateDetailCode(context.Context, int64, int64, string) error
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}
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// InnerCodeApplyResult 是一次用户确认操作的统计。
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type InnerCodeApplyResult struct {
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Requested int
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Updated int
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AlreadyFilled int
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Skipped int
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Failed int
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NeedsCheck int
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}
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type innerCodeApplyOutcome struct {
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Status model.InnerCodeStatus
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Message string
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RemoteCode string
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}
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// ApplyInnerCodes 逐条原子领取并回写。每条写请求只发送一次，单条失败不阻断后续行。
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func ApplyInnerCodes(ctx context.Context, db *sql.DB, writer InnerCodeWriter, ids []int64, actorUserID string) (*InnerCodeApplyResult, error) {
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ids = uniquePositiveInnerCodeIDs(ids)
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if len(ids) == 0 {
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return nil, fmt.Errorf("没有选择可回写记录")
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}
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if len(ids) > PageSize {
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return nil, fmt.Errorf("单次最多回写当前页 %d 条记录", PageSize)
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}
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result := &InnerCodeApplyResult{Requested: len(ids)}
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for _, id := range ids {
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now := model.NowISO()
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record, claimed, err := repository.ClaimInnerCodeForApply(db, id, actorUserID, now)
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if err != nil {
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return nil, err
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}
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if !claimed {
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result.Skipped++
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continue
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}
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outcome := applyClaimedInnerCode(ctx, writer, *record)
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finishedAt := model.NowISO()
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if err := repository.FinishInnerCodeApply(db, id, outcome.Status, compactInnerCodeMessage(outcome.Message), outcome.RemoteCode, finishedAt); err != nil {
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return nil, err
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}
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switch outcome.Status {
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case model.InnerCodeUpdated:
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result.Updated++
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case model.InnerCodeAlreadyFilled:
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result.AlreadyFilled++
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case model.InnerCodeNeedsCheck:
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result.NeedsCheck++
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case model.InnerCodeFailed:
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result.Failed++
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default:
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result.Skipped++
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}
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}
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return result, nil
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}
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func applyClaimedInnerCode(ctx context.Context, writer InnerCodeWriter, record model.InnerCodeRecord) innerCodeApplyOutcome {
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item, err := readCurrentInnerCodeDetail(ctx, writer, record)
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if err != nil {
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return innerCodeApplyOutcome{Status: model.InnerCodeNeedsCheck,
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Message: "写入前重新读取失败，没有发送删除或写入请求：" + err.Error(), RemoteCode: record.RemoteInnerCode}
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}
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currentCode := innerCodeRawText(item.Raw["innerExpCode"])
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if !innerCodeDetailIdentityMatches(record, *item) {
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return innerCodeApplyOutcome{Status: model.InnerCodeSkipped,
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Message: "顺运宝商品规格或档口身份已变化，停止回写，请重新匹配", RemoteCode: currentCode}
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}
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platform := innerCodeRawText(item.Raw["purchasePlatform"])
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purchaseCode := innerCodeRawText(item.Raw["purchaseCode"])
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if platform != "" || purchaseCode != "" {
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return innerCodeApplyOutcome{Status: model.InnerCodeSkipped,
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Message: "顺运宝商品已有采购平台或采购单号，停止回写", RemoteCode: currentCode}
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}
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if currentCode == record.InnerCode {
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return innerCodeApplyOutcome{Status: model.InnerCodeAlreadyFilled,
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Message: "写入前核验发现远端已是目标入库码，无需重复写入", RemoteCode: currentCode}
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}
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if currentCode != record.RemoteInnerCode {
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return innerCodeApplyOutcome{Status: model.InnerCodeNeedsCheck,
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Message: "远端快递单号在规划后发生变化，已停止回写，请人工核对", RemoteCode: currentCode}
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}
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if currentCode != "" {
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if err := writer.DeleteInnerCode(ctx, record.DetailID); err != nil {
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status := model.InnerCodeFailed
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message := "删除旧快递单号失败，未发送新值写入请求：" + err.Error()
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if errors.Is(err, syb.ErrWriteResultUnknown) {
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status = model.InnerCodeNeedsCheck
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message = "删除旧快递单号的结果未知，禁止自动继续写入，请重新核对"
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}
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return innerCodeApplyOutcome{Status: status, Message: message, RemoteCode: currentCode}
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}
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currentCode = ""
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}
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if err := writer.UpdateDetailCode(ctx, record.StockID, record.DetailID, record.InnerCode); err != nil {
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status := model.InnerCodeFailed
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message := "写入档口入库码失败，系统不会自动重试：" + err.Error()
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if errors.Is(err, syb.ErrWriteResultUnknown) {
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status = model.InnerCodeNeedsCheck
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message = "写入结果未知，禁止自动重试，请重新核对"
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}
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return innerCodeApplyOutcome{Status: status, Message: message, RemoteCode: currentCode}
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}
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verified, err := readCurrentInnerCodeDetail(ctx, writer, record)
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if err != nil {
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return innerCodeApplyOutcome{Status: model.InnerCodeNeedsCheck,
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Message: "写入请求已成功响应，但重新读取失败，请核对远端结果", RemoteCode: currentCode}
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}
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verifiedCode := innerCodeRawText(verified.Raw["innerExpCode"])
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if !innerCodeDetailIdentityMatches(record, *verified) {
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return innerCodeApplyOutcome{Status: model.InnerCodeNeedsCheck,
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Message: "写入后商品规格或档口身份发生变化，请人工核对", RemoteCode: verifiedCode}
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}
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if verifiedCode != record.InnerCode {
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return innerCodeApplyOutcome{Status: model.InnerCodeNeedsCheck,
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Message: "写入后远端值与目标入库码不一致，禁止自动重试，请人工核对", RemoteCode: verifiedCode}
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}
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return innerCodeApplyOutcome{Status: model.InnerCodeUpdated,
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Message: "回写完成，远端再次读取结果一致", RemoteCode: verifiedCode}
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}
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func readCurrentInnerCodeDetail(ctx context.Context, reader InnerCodeDetailReader, record model.InnerCodeRecord) (*syb.DetailItem, error) {
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if record.StockID <= 0 || record.DetailID <= 0 {
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return nil, fmt.Errorf("记录缺少有效的货运单或商品明细 ID")
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}
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stocks, err := reader.DetailListByStock(ctx, []int64{record.StockID})
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if err != nil {
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return nil, err
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}
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if len(stocks) != 1 || stocks[0].ID != record.StockID {
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return nil, fmt.Errorf("顺运宝没有唯一返回货运单 id=%d", record.StockID)
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}
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var found *syb.DetailItem
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for index := range stocks[0].Details {
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if stocks[0].Details[index].ID != record.DetailID {
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continue
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}
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if found != nil {
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return nil, fmt.Errorf("顺运宝重复返回商品明细 id=%d", record.DetailID)
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}
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item := stocks[0].Details[index]
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found = &item
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}
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if found == nil {
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return nil, fmt.Errorf("顺运宝未返回商品明细 id=%d", record.DetailID)
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}
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return found, nil
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}
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// RecheckInnerCode 只重新读取一条 needs_check 记录，不发送任何写请求。
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func RecheckInnerCode(ctx context.Context, db *sql.DB, reader InnerCodeDetailReader, id int64) (model.InnerCodeStatus, string, error) {
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record, err := repository.GetInnerCodeForRecheck(db, id)
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if err != nil {
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return "", "", err
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}
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if record == nil {
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return "", "", fmt.Errorf("档口入库码记录不存在")
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}
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if record.Status != model.InnerCodeNeedsCheck {
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return record.Status, "当前记录不需要核对", nil
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}
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item, readErr := readCurrentInnerCodeDetail(ctx, reader, *record)
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status := model.InnerCodeNeedsCheck
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remoteCode := record.RemoteInnerCode
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message := "重新读取失败，仍需人工核对：" + errorText(readErr)
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if readErr == nil {
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remoteCode = innerCodeRawText(item.Raw["innerExpCode"])
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if !innerCodeDetailIdentityMatches(*record, *item) {
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message = "重新读取到的商品身份与规划不一致；保持需核对，系统没有写入"
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} else if remoteCode == record.InnerCode {
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status = model.InnerCodeUpdated
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message = "重新读取确认远端已是目标入库码；没有重复写入"
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} else {
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message = "重新读取后远端仍不是目标入库码；保持需核对，系统没有写入"
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}
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}
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checkedAt := model.NowISO()
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message = compactInnerCodeMessage(message)
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if err := repository.SaveInnerCodeRecheck(db, id, status, message, remoteCode, checkedAt); err != nil {
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return "", "", err
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}
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return status, message, nil
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}
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func innerCodeDetailIdentityMatches(record model.InnerCodeRecord, item syb.DetailItem) bool {
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return item.ProductSpec == record.SybSpec &&
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innerCodeRawText(item.Raw["sku"]) == record.SybSKU &&
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innerCodeRawText(item.Raw["variationSku"]) == record.SybVariationSKU
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}
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func errorText(err error) string {
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if err == nil {
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return ""
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}
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return err.Error()
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}
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func uniquePositiveInnerCodeIDs(ids []int64) []int64 {
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seen := make(map[int64]bool, len(ids))
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result := make([]int64, 0, len(ids))
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for _, id := range ids {
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if id > 0 && !seen[id] {
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seen[id] = true
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result = append(result, id)
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}
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}
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return result
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}
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// InterruptApplyingInnerCodes 在 Admin 启动时收敛未确认的远端写结果。
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func InterruptApplyingInnerCodes(db *sql.DB, now time.Time) (int, error) {
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return repository.InterruptApplyingInnerCodes(db, now.UTC().Format(model.TimeLayout))
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}
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func compactInnerCodeMessage(message string) string {
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message = strings.TrimSpace(message)
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if len([]rune(message)) <= 500 {
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return message
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}
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return string([]rune(message)[:500])
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}
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