fix: 允许已采集 PDD 商品重新采集 (#121)

admin/handler/web/pdd.go

@@ -101,11 +101,17 @@ func (h *Handler) PddDetail(c *gin.Context) {
 		fail(c, http.StatusNotFound, "这个商品不存在或已被删除，请刷新页面。")
 		return
 	}
+	assignableClients, err := service.ListAssignableClients(h.db, currentUser(c), h.onlineThreshold)
+	if err != nil {
+		fail(c, http.StatusInternalServerError, "读取可选客户端失败，数据没有被改动。刷新页面重试。")
+		return
+	}
 
 	c.HTML(http.StatusOK, "pdd/edit_modal", gin.H{
-		"D":         detail,
-		"CSRFToken": csrfToken(c),
-		"Keyword":   c.Query("q"), "StatusFilter": c.Query("status"),
+		"D":                 detail,
+		"CSRFToken":         csrfToken(c),
+		"AssignableClients": assignableClients,
+		"Keyword":           c.Query("q"), "StatusFilter": c.Query("status"),
 		"CurrentPage": service.ParsePage(c.Query("page")),
 	})
 }
@@ -233,6 +239,24 @@ func (h *Handler) PddCollect(c *gin.Context) {
 	h.pddRedirect(c, service.FormatCollectTaskMessage(result))
 }
 
+// PddRecollect 处理商品详情里操作员明确点击的“重新采集”。
+// 它与批量创建任务分开，避免普通批量入口意外重采所有已完成商品。
+func (h *Handler) PddRecollect(c *gin.Context) {
+	result, err := service.RecollectPddProductForUser(
+		h.db, currentUser(c), c.PostForm("goods_id"), c.PostForm("client_id"))
+	if err != nil {
+		status := http.StatusInternalServerError
+		message := "创建重新采集任务失败，商品和任务均未改动。请稍后重试。"
+		if service.IsValidationError(err) {
+			status = http.StatusBadRequest
+			message = err.Error() + "。没有创建任务。"
+		}
+		fail(c, status, message)
+		return
+	}
+	h.pddRedirect(c, service.FormatCollectTaskMessage(result))
+}
+
 // PddDelete 批量软删除。
 func (h *Handler) PddDelete(c *gin.Context) {
 	ids := c.PostFormArray("ids")

admin/handler/web/web.go

@@ -68,6 +68,7 @@ func Register(r *gin.Engine, db *sql.DB, onlineThreshold time.Duration) {
 	pages.POST("/pdd/import", h.PddImport)
 	pages.POST("/pdd/save", h.PddSave)
 	pages.POST("/pdd/collect", h.PddCollect)
+	pages.POST("/pdd/recollect", h.PddRecollect)
 	pages.POST("/pdd/delete", h.PddDelete)
 
 	// 3. 顺运宝数据