In search results show URL if title is empty

entity/bookmark.go

@@ -2,6 +2,7 @@ package entity
 
 import (
 	"html/template"
+	"strings"
 	"time"
 )
 
@@ -19,6 +20,13 @@ func (bm Bookmark) Type() string {
 	return "bookmark"
 }
 
+func (bm Bookmark) DisplayTitle() string {
+	if strings.TrimSpace(bm.Info.Title) == "" {
+		return bm.URL
+	}
+	return bm.Info.Title
+}
+
 type PageInfo struct {
 	Fetched    time.Time
 	Title      string

web/templates/search_results.html

@@ -1,7 +1,7 @@
 <ul>
     {{ range .results }}
     <li>
-         <a href="{{ .Bookmark.URL }}">{{ .Bookmark.Info.Title }}</a><br>
+         <a href="{{ .Bookmark.URL }}">{{ .Bookmark.DisplayTitle }}</a><br>
          {{ .Highlight }}
         </li>
     {{ end }}