added dump/restore and fixed title stuff

pkg/db/db.go

@@ -7,7 +7,9 @@ import (
 	"git.giftfish.de/ston1th/gowiki/pkg/cache"
 	"git.giftfish.de/ston1th/gowiki/pkg/core"
 	"git.giftfish.de/ston1th/gowiki/pkg/index"
+	"git.giftfish.de/ston1th/gowiki/pkg/render"
 	"git.giftfish.de/ston1th/gowiki/pkg/store"
+	"io"
 )
 
 const (
@@ -61,10 +63,30 @@ func New(datadir string) (db *DB, err error) {
 	return
 }
 
-func (db *DB) Close() error {
-	err := db.store.Close()
+func (db *DB) Dump(w io.Writer) error {
+	return db.store.Dump(w)
+}
+
+func (db *DB) Restore(r io.Reader) (err error) {
+	err = db.store.Restore(r)
 	if err != nil {
-		return err
+		return
+	}
+	err = db.store.ForEach(func(k string, _ []byte) error {
+		if trim, ok := hasTrimPrefix(k, pagePrefix); ok {
+			p := new(core.Page)
+			db.store.Get(pagePrefix+trim, p)
+			db.Index.Add(p.Title, p.StoreTitle, render.Render(p))
+		}
+		return nil
+	})
+	return
+}
+
+func (db *DB) Close() (err error) {
+	err = db.store.Close()
+	if err != nil {
+		return
 	}
 	return db.Index.Close()
 }