Add UI to export the list of bookmarks

db/bookmarks.go

@@ -2,6 +2,7 @@ package db
 
 import (
 	"fmt"
+	"io"
 	"log"
 	"sync"
 	"time"
@@ -48,6 +49,19 @@ func (m *BookmarkManager) ListBookmarks() ([]entity.Bookmark, error) {
 	return bookmarks, nil
 }
 
+// ExportBookmarks exports all bookmarks to an io.Writer
+func (m *BookmarkManager) ExportBookmarks(w io.Writer) error {
+	bms := []entity.Bookmark{}
+	err := m.db.store.Find(&bms, &badgerhold.Query{})
+	if err != nil {
+		return fmt.Errorf("could not export bookmarks: %w", err)
+	}
+	for _, bm := range bms {
+		w.Write([]byte(bm.URL + "\n"))
+	}
+	return nil
+}
+
 func (m *BookmarkManager) SaveBookmark(bm *entity.Bookmark) error {
 	err := m.db.store.Update(bm.ID, &bm)
 	if err != nil {

version/version.go

@@ -8,7 +8,7 @@ import (
 	"golang.org/x/mod/semver"
 )
 
-const Tag = "v0.0.6"
+const Tag = "v0.0.7"
 
 var versionInfo struct {
 	Local struct {

web/templates/_layout.html

@@ -22,6 +22,7 @@
           <a href="#">Admin</a>
           <ul class="menu vertical">
             <li><a href="/manage">Manage links</a></li>
+            <li><a href="/export">Export all URLs</a></li>
           </ul>
         </li>
       </ul>

web/web.go

@@ -189,6 +189,16 @@ func Create(bmm *db.BookmarkManager) *Server {
 		c.String(http.StatusOK, "queued")
 	})
 
+	r.GET("/export", func(c *gin.Context) {
+		c.Writer.Header().Set("Content-Type", "text/plain")
+		c.Writer.Header().Set("Content-Disposition", "attachment; filename=\"bookmarks.txt\"")
+		err := bmm.ExportBookmarks(c.Writer)
+		// this is a bit late, but we already added headers, so at least log it.
+		if err != nil {
+			log.Printf("got error when exporting: %s", err)
+		}
+	})
+
 	return server
 }