folder/feed list functions

main.go

@@ -12,14 +12,16 @@ func main() {
 	}
 	log.Print(store)
 	/*
-	folder := storage.CreateFolder("foo")
-	storage.RenameFolder(folder.Id, "bar")
-	storage.ToggleFolderExpanded(folder.Id, false)
+	folder := store.CreateFolder("foo")
+	store.RenameFolder(folder.Id, "bar")
+	store.ToggleFolderExpanded(folder.Id, false)
+	log.Print(store.ListFolders())
 	*/
 	/*
-	feed := storage.CreateFeed(
+	feed := store.CreateFeed(
 		"title", "description", "link", "feedlink", "icon", 1)
-	storage.RenameFeed(feed.Id, "newtitle")
+	store.RenameFeed(feed.Id, "newtitle")
+	log.Print(store.ListFeeds())
 	*/
 	/*
 	items := make([]storage.Item, 3, 3)

storage/feed.go

@@ -49,3 +49,33 @@ func (s *Storage) UpdateFeedFolder(feedId int64, newFolderId int64) bool {
 	_, err := s.db.Exec(`update feeds set folder_id = ? where id = ?`, intOrNil(newFolderId), feedId)
 	return err == nil
 }
+
+func (s *Storage) ListFeeds() []Feed {
+	result := make([]Feed, 0, 0)
+	rows, err := s.db.Query(`
+		select id, folder_id, title, description, link, feed_link, icon
+		from feeds
+	`)
+	if err != nil {
+		s.log.Print(err)
+		return result
+	}
+	for rows.Next() {
+		var f Feed
+		err = rows.Scan(
+			&f.Id,
+			&f.FolderId,
+			&f.Title,
+			&f.Description,
+			&f.Link,
+			&f.FeedLink,
+			&f.Icon,
+		)
+		if err != nil {
+			s.log.Print(err)
+			return result
+		}
+		result = append(result, f)
+	}
+	return result
+}

storage/folder.go

@@ -1,6 +1,8 @@
 package storage
 
-import "fmt"
+import (
+	"fmt"
+)
 
 type Folder struct {
 	Id int64
@@ -40,3 +42,25 @@ func (s *Storage) ToggleFolderExpanded(folderId int64, isExpanded bool) bool {
 	_, err := s.db.Exec(`update folders set is_expanded = ? where id = ?`, isExpanded, folderId)
 	return err == nil
 }
+
+func (s *Storage) ListFolders() []Folder {
+	result := make([]Folder, 0, 0)
+	rows, err := s.db.Query(`
+		select id, title, is_expanded
+		from folders
+	`)
+	if err != nil {
+		s.log.Print(err)
+		return result
+	}
+	for rows.Next() {
+		var f Folder
+		err = rows.Scan(&f.Id, &f.Title, &f.IsExpanded)
+		if err != nil {
+			s.log.Print(err)
+			return result
+		}
+		result = append(result, f)
+	}
+	return result
+}