package http import ( "fmt" "net/http" "path/filepath" "github.com/gorilla/feeds" "github.com/mediocregopher/blog.mediocregopher.com/srv/http/apiutil" ) func (a *api) renderFeedHandler() http.Handler { return http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) { author := &feeds.Author{ Name: "mediocregopher", } publicURL := a.params.PublicURL.String() feed := feeds.Feed{ Title: "Mediocre Blog", Link: &feeds.Link{Href: publicURL + "/"}, Description: "A mix of tech, art, travel, and who knows what else.", Author: author, } recentPosts, _, err := a.params.PostStore.Get(0, 20) if err != nil { apiutil.InternalServerError(rw, r, fmt.Errorf("fetching recent posts: %w", err)) return } for _, post := range recentPosts { if post.PublishedAt.After(feed.Updated) { feed.Updated = post.PublishedAt } if post.LastUpdatedAt.After(feed.Updated) { feed.Updated = post.LastUpdatedAt } postURL := publicURL + filepath.Join("/posts", post.ID) feed.Items = append(feed.Items, &feeds.Item{ Title: post.Title, Link: &feeds.Link{Href: postURL}, Author: author, Description: post.Description, Id: postURL, Updated: post.LastUpdatedAt, Created: post.PublishedAt, }) } if err := feed.WriteAtom(rw); err != nil { apiutil.InternalServerError(rw, r, fmt.Errorf("writing atom feed: %w", err)) return } }) }