advancing

Former-commit-id: 0ea003b2683a6174d3d304e4bd32dd01540b87df

rss/item.go

@@ -1,7 +1,6 @@
 package rss
 
 import (
-	"errors"
 	"fmt"
 	"io/ioutil"
 	"local/rssmon3/config"
@@ -68,21 +67,22 @@ func (i *Item) Decode(b []byte) error {
 	return config.Decode(b, i)
 }
 
-func (i *Item) save() error {
+func (i *Item) save(ns1 string, ns ...string) error {
 	db := config.Values().DB
 	b, err := i.Encode()
 	if err != nil {
 		return err
 	}
-	return db.Set(i.Link, b, nsItems)
+	return db.Set(i.ID(), b, append([]string{nsItems, ns1}, ns...)...)
 }
 
-func (i *Item) load() error {
-	if i.Link == "" {
-		return errors.New("cannot load nil item")
-	}
+func (i *Item) ID() string {
+	return fmt.Sprintf("%s:%s", i.TS.Format("2006-01-02-15-04"), i.Link)
+}
+
+func (i *Item) Load(key, ns1 string, ns ...string) error {
 	db := config.Values().DB
-	b, err := db.Get(i.Link, nsItems)
+	b, err := db.Get(key, append([]string{nsItems, ns1}, ns...)...)
 	if err != nil {
 		return err
 	}