整改三期：退款、后台增改删、悬赏
退款原来只有会员那条路，而且只能全额、只改本地状态。现在代喂任务的退款 能分几次退到退完：每一笔单独记一行（谁退的、多少、走哪条通道、为什么）， 订单上的 refunded_cent 跟着累加，退完且未结算的任务才关闭。渠道接通时按 金额原路退回并带独立幂等键，没接通或沙箱支付的登记为"线下已退"——假装 调用了渠道比说实话更糟。已结算的任务不能顺手退：钱在喂养者账上，要退只能 由平台承担，必须显式勾选。 后台从"只能通过或驳回"变成能改能删：宠物档案可代建、可编辑、可软删除 （有进行中任务的删不掉），送养与配种能改文案和城市、能下架能删，代喂任务 能改备注、能取消（托管中的钱必须先退）。每一个写操作都进审计日志。 悬赏按方案里的 A 做：主人自愿加的钱跟着任务一起托管，结算时全额给喂养者， 平台服务费只算在基础报酬上。抽悬赏是喂养者一眼能算出来的事。 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Your Name
co-authored by
Claude Opus 5
Claude Opus 5
parent
ebf7189533
commit
a889cb42e4
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package app
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import (
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"database/sql"
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"fmt"
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"net/http"
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"strings"
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"time"
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)
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// Refunds for feeding tasks. Three things make this different from the
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// membership refund next door: it can happen more than once on the same order
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// (part now, part later), it has to say which way the money went when no
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// channel is connected, and it must refuse to quietly reverse a payout that has
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// already reached a sitter.
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type feedRefundRequest struct {
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AmountCent int64 `json:"amountCent"` // 0 表示退全部剩余
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Reason string `json:"reason"`
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Offline bool `json:"offline"` // 渠道没接通时，登记为线下已退
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PlatformBears bool `json:"platformBears"` // 已结算的任务由平台承担
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}
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func (a *App) adminRefundFeedTask(w http.ResponseWriter, r *http.Request) {
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id, err := pathID(r)
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if err != nil {
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fail(w, http.StatusBadRequest, 20001, "编号无效")
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return
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}
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var req feedRefundRequest
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if decode(r, &req) != nil {
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fail(w, http.StatusBadRequest, 20001, "参数错误")
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return
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}
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req.Reason = strings.TrimSpace(req.Reason)
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if len([]rune(req.Reason)) < 5 {
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fail(w, http.StatusBadRequest, 20001, "请写明退款原因，双方都会收到")
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return
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}
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var owner, sitter int64
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var orderID sql.NullInt64
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var gross, refunded int64
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var status string
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if a.db.QueryRowContext(r.Context(), `SELECT owner_user_id,COALESCE(sitter_user_id,0),order_id,gross_cent,refunded_cent,status
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FROM pet_feed_tasks WHERE id=?`, id).Scan(&owner, &sitter, &orderID, &gross, &refunded, &status) != nil {
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fail(w, http.StatusNotFound, 30001, "任务不存在")
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return
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}
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remaining := gross - refunded
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if remaining <= 0 {
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fail(w, http.StatusBadRequest, 20001, "这笔任务已经退完了")
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return
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}
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amount := req.AmountCent
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if amount <= 0 {
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amount = remaining
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}
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if amount > remaining {
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fail(w, http.StatusBadRequest, 20001, fmt.Sprintf("最多还能退 %.2f 元", float64(remaining)/100))
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return
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}
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// 已结算意味着钱在喂养者账上，退给主人的那份只能由平台承担 —— 这是一次
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// 支出决定，不能顺手做掉，所以要显式勾选。
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settled := status == "SETTLED" || status == "ARBITRATED"
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if settled && !req.PlatformBears {
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fail(w, http.StatusBadRequest, 20001, "任务已结算，报酬在喂养者账上。要退给主人只能由平台承担，请勾选后再提交")
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return
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}
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if status == "CREATED" {
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fail(w, http.StatusBadRequest, 20001, "任务还没有支付，直接取消即可")
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return
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}
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var orderNo, providerOrderNo, orderStatus string
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if orderID.Valid && orderID.Int64 > 0 {
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_ = a.db.QueryRowContext(r.Context(), `SELECT order_no,provider_order_no,status FROM orders WHERE id=?`, orderID.Int64).
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Scan(&orderNo, &providerOrderNo, &orderStatus)
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}
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// 只有真实支付过的订单才谈得上原路退回：手工托管进来的没有渠道流水号，
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// 沙箱支付的流水号是假的，这两种都只能登记为线下已退。
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live := a.configPlain(r.Context(), "payment.mode", "sandbox") == "live"
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channel := "gateway"
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if req.Offline || providerOrderNo == "" || strings.HasPrefix(providerOrderNo, "sandbox:") || !live {
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channel = "offline"
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}
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refundNo := fmt.Sprintf("feed:%d:%d", id, time.Now().UnixMilli())
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if channel == "gateway" {
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if err = a.createGatewayRefund(r.Context(), orderNo, providerOrderNo, refundNo, int(amount)); err != nil {
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a.audit(r, "feed_refund_failed", "pet_feed_task", id, map[string]any{"amountCent": amount, "error": err.Error()})
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fail(w, http.StatusBadGateway, 50003, "退款网关请求失败，未记账，可以重试或改为线下退款登记")
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return
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}
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}
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tx, err := a.db.BeginTx(r.Context(), nil)
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if err != nil {
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fail(w, http.StatusInternalServerError, 50001, "退款记账失败")
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return
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}
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defer func() { _ = tx.Rollback() }()
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if _, err = tx.ExecContext(r.Context(), `INSERT INTO pet_feed_refunds
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(task_id,order_id,refund_no,user_id,amount_cent,channel,platform_bears,reason,handled_by)
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VALUES(?,?,?,?,?,?,?,?,?)`, id, orderID, refundNo, owner, amount, channel, settled, req.Reason, current(r).ID); err != nil {
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fail(w, http.StatusInternalServerError, 50001, "退款记账失败")
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return
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}
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if _, err = tx.ExecContext(r.Context(), `UPDATE pet_feed_tasks SET refunded_cent=refunded_cent+? WHERE id=?`, amount, id); err != nil {
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fail(w, http.StatusInternalServerError, 50001, "退款记账失败")
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return
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}
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if orderID.Valid && orderID.Int64 > 0 {
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if _, err = tx.ExecContext(r.Context(), `UPDATE orders SET refunded_cent=refunded_cent+?,
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status=IF(refunded_cent+?>=amount_cent,'REFUNDED',status) WHERE id=?`, amount, amount, orderID.Int64); err != nil {
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fail(w, http.StatusInternalServerError, 50001, "退款记账失败")
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return
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}
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}
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// 退完并且还没结算的任务就此关闭；部分退款保留原状态，服务还得继续。
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if refunded+amount >= gross && !settled {
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if _, err = tx.ExecContext(r.Context(), `UPDATE pet_feed_tasks SET status='REFUNDED',confirm_due_at=NULL WHERE id=?`, id); err != nil {
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fail(w, http.StatusInternalServerError, 50001, "退款记账失败")
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return
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}
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}
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if tx.Commit() != nil {
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fail(w, http.StatusInternalServerError, 50001, "退款记账失败")
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return
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}
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a.audit(r, "feed_refund", "pet_feed_task", id, map[string]any{
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"amountCent": amount, "channel": channel, "platformBears": settled, "reason": req.Reason, "refundNo": refundNo,
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})
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body := fmt.Sprintf("已退款 %.2f 元：%s", float64(amount)/100, req.Reason)
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a.notifyUser(r.Context(), owner, "system", "代喂任务已退款", body, "feed_task", id)
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if sitter > 0 {
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a.notifyUser(r.Context(), sitter, "system", "代喂任务已退款", req.Reason, "feed_task", id)
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}
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reply(w, map[string]any{
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"success": true, "amountCent": amount, "channel": channel,
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"refundedCent": refunded + amount, "remainingCent": remaining - amount,
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})
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}
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func (a *App) adminFeedRefunds(w http.ResponseWriter, r *http.Request) {
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id, err := pathID(r)
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if err != nil {
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fail(w, http.StatusBadRequest, 20001, "编号无效")
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return
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}
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rows, queryErr := a.db.QueryContext(r.Context(), `SELECT f.id,f.amount_cent,f.channel,f.platform_bears,f.reason,
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f.created_at,COALESCE(admin.username,'') FROM pet_feed_refunds f
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LEFT JOIN admin_users admin ON admin.id=f.handled_by WHERE f.task_id=? ORDER BY f.id DESC`, id)
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if queryErr != nil {
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fail(w, http.StatusInternalServerError, 50001, "查询退款记录失败")
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return
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}
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defer rows.Close()
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items := []map[string]any{}
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for rows.Next() {
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var refundID, amount int64
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var channel, reason, operator string
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var platformBears bool
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var created time.Time
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if rows.Scan(&refundID, &amount, &channel, &platformBears, &reason, &created, &operator) != nil {
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continue
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}
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items = append(items, map[string]any{
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"id": refundID, "amountCent": amount, "channel": channel, "platformBears": platformBears,
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"reason": reason, "operator": operator, "createdAt": created.Format(time.RFC3339),
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})
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}
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reply(w, map[string]any{"items": items})
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}
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