feat: 任务改用采集采购独立序号 (#172)

admin/service/purchase_workflow.go

@@ -240,8 +240,12 @@ func CreatePurchaseTasksWithOptions(db *sql.DB, actor *model.User, requests []Pu
 			result.Failures = append(result.Failures, TaskCreateError{SybID: request.SybID, Reason: reason})
 			continue
 		}
+		taskID, err := repository.NextTaskID(tx, model.TaskPurchase)
+		if err != nil {
+			return PurchaseTaskResult{}, err
+		}
 		if err := repository.InsertPurchaseTask(tx, model.Task{
-			TaskID: newPurchaseTaskID(), AssignedClient: clientID,
+			TaskID: taskID, AssignedClient: clientID,
 			CreatedByUserID: actor.UserID,
 			ExecutionMode:   executionMode, LiveConfirmedBy: confirmedBy, LiveConfirmedAt: confirmedAt,
 			SybID: context.Order.SybID, OrderNo: context.Order.OrderNo,
@@ -315,14 +319,6 @@ func validatePurchaseRequest(q repository.Execer, request PurchaseTaskRequest) (
 	return "", context, choice.OptionsJSON, nil
 }
 
-func newPurchaseTaskID() string {
-	id := newID()
-	if len(id) > 16 {
-		id = id[:16]
-	}
-	return "PUR-" + id
-}
-
 // parsePriceYuanToCent 把网页输入的人民币元精确转成分，不使用浮点数。
 func ParsePriceYuanToCent(raw string) (int64, error) {
 	raw = strings.TrimSpace(raw)