From 013bfe84b860c0a50600471ce28ac1ced95594ae Mon Sep 17 00:00:00 2001
From: Jan-Lukas Else <mail@jlelse.de>
Date: Sun, 7 Aug 2022 13:11:43 +0200
Subject: [PATCH] Add minimal feeds without TTS audio and interactions link
 (.min.rss, .min.atom and .min.atom) (#23)

---
 docs/index.md |  8 ++++----
 feeds.go      | 24 ++++++++++++++++--------
 http.go       |  2 +-
 postsFuncs.go |  9 +++++++++
 ui.go         |  8 +-------
 5 files changed, 31 insertions(+), 20 deletions(-)

diff --git a/docs/index.md b/docs/index.md
index f63aabb..56a7cc1 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -6,9 +6,9 @@ License: MIT License
 
 [Blog](https://goblog.app/)  
 [Documentation](https://docs.goblog.app)  
-[Main repository](https://git.jlel.se/jlelse/GoBlog)  
-[GitHub mirror](https://github.com/jlelse/GoBlog)  
-[Codeberg mirror](https://codeberg.org/jlelse/GoBlog)
+[Main repository](https://github.com/jlelse/GoBlog)  
+[Mirror](https://git.jlel.se/jlelse/GoBlog)  
+[Mirror on Codeberg](https://codeberg.org/jlelse/GoBlog)
 
 ## Features
 
@@ -33,7 +33,7 @@ Here's an (incomplete) list of features:
     - Publish posts to the Fediverse (Mastodon etc.)
     - ActivityPub-based commenting
 - Web feeds
-    - Multiple feed formats: RSS, Atom, JSON
+    - Multiple feed formats (.rss, .atom, .json, .min.rss, .min.atom, .min.json)
     - Feeds on any archive page
 - Sitemap
 - Automatic HTTPS using Let's Encrypt
diff --git a/feeds.go b/feeds.go
index be28171..76a6bb6 100644
--- a/feeds.go
+++ b/feeds.go
@@ -15,10 +15,13 @@ import (
 type feedType string
 
 const (
-	noFeed   feedType = ""
-	rssFeed  feedType = "rss"
-	atomFeed feedType = "atom"
-	jsonFeed feedType = "json"
+	noFeed      feedType = ""
+	rssFeed     feedType = "rss"
+	atomFeed    feedType = "atom"
+	jsonFeed    feedType = "json"
+	minRssFeed  feedType = "min.rss"
+	minAtomFeed feedType = "min.atom"
+	minJsonFeed feedType = "min.json"
 )
 
 func (a *goBlog) generateFeed(blog string, f feedType, w http.ResponseWriter, r *http.Request, posts []*post, title, description string) {
@@ -40,7 +43,12 @@ func (a *goBlog) generateFeed(blog string, f feedType, w http.ResponseWriter, r
 	}
 	for _, p := range posts {
 		buf := bufferpool.Get()
-		a.feedHtml(buf, p)
+		switch f {
+		case minRssFeed, minAtomFeed, minJsonFeed:
+			a.minFeedHtml(buf, p)
+		default:
+			a.feedHtml(buf, p)
+		}
 		feed.Add(&feeds.Item{
 			Title:       p.RenderedTitle,
 			Link:        &feeds.Link{Href: a.fullPostURL(p)},
@@ -55,13 +63,13 @@ func (a *goBlog) generateFeed(blog string, f feedType, w http.ResponseWriter, r
 	var feedWriteFunc func(w io.Writer) error
 	var feedMediaType string
 	switch f {
-	case rssFeed:
+	case rssFeed, minRssFeed:
 		feedMediaType = contenttype.RSS
 		feedWriteFunc = feed.WriteRss
-	case atomFeed:
+	case atomFeed, minAtomFeed:
 		feedMediaType = contenttype.ATOM
 		feedWriteFunc = feed.WriteAtom
-	case jsonFeed:
+	case jsonFeed, minJsonFeed:
 		feedMediaType = contenttype.JSONFeed
 		feedWriteFunc = feed.WriteJSON
 	default:
diff --git a/http.go b/http.go
index 54743aa..4bbdaf2 100644
--- a/http.go
+++ b/http.go
@@ -117,7 +117,7 @@ func (*goBlog) redirectToHttps(w http.ResponseWriter, r *http.Request) {
 
 const (
 	paginationPath = "/page/{page:[0-9-]+}"
-	feedPath       = ".{feed:(rss|json|atom)}"
+	feedPath       = ".{feed:(rss|json|atom|min\\.rss|min\\.json|min\\.atom)}"
 )
 
 func (a *goBlog) reloadRouter() {
diff --git a/postsFuncs.go b/postsFuncs.go
index a964046..5196322 100644
--- a/postsFuncs.go
+++ b/postsFuncs.go
@@ -89,6 +89,15 @@ func (a *goBlog) feedHtml(w io.Writer, p *post) {
 	}
 }
 
+func (a *goBlog) minFeedHtml(w io.Writer, p *post) {
+	hb := newHtmlBuilder(w)
+	// Add IndieWeb context
+	a.renderPostReplyContext(hb, p, "p")
+	a.renderPostLikeContext(hb, p, "p")
+	// Add post HTML
+	a.postHtmlToWriter(hb, p, true)
+}
+
 const summaryDivider = "<!--more-->"
 
 func (a *goBlog) postSummary(p *post) (summary string) {
diff --git a/ui.go b/ui.go
index 9095f4d..4d61a2e 100644
--- a/ui.go
+++ b/ui.go
@@ -40,13 +40,10 @@ func (a *goBlog) renderBase(hb *htmlBuilder, rd *renderData, title, main func(hb
 	} else {
 		a.renderTitleTag(hb, rd.Blog, "")
 	}
-	// Feeds
 	renderedBlogTitle := a.renderMdTitle(rd.Blog.Title)
-	// RSS
+	// Feeds
 	hb.writeElementOpen("link", "rel", "alternate", "type", "application/rss+xml", "title", fmt.Sprintf("RSS (%s)", renderedBlogTitle), "href", a.getFullAddress(rd.Blog.Path+".rss"))
-	// ATOM
 	hb.writeElementOpen("link", "rel", "alternate", "type", "application/atom+xml", "title", fmt.Sprintf("ATOM (%s)", renderedBlogTitle), "href", a.getFullAddress(rd.Blog.Path+".atom"))
-	// JSON Feed
 	hb.writeElementOpen("link", "rel", "alternate", "type", "application/feed+json", "title", fmt.Sprintf("JSON Feed (%s)", renderedBlogTitle), "href", a.getFullAddress(rd.Blog.Path+".json"))
 	// Webmentions
 	hb.writeElementOpen("link", "rel", "webmention", "href", a.getFullAddress("/webmention"))
@@ -368,11 +365,8 @@ func (a *goBlog) renderIndex(hb *htmlBuilder, rd *renderData) {
 			if renderedIndexTitle != "" {
 				feedTitle = " (" + renderedIndexTitle + ")"
 			}
-			// RSS
 			hb.writeElementOpen("link", "rel", "alternate", "type", "application/rss+xml", "title", "RSS"+feedTitle, "href", a.getFullAddress(id.first+".rss"))
-			// ATOM
 			hb.writeElementOpen("link", "rel", "alternate", "type", "application/atom+xml", "title", "ATOM"+feedTitle, "href", a.getFullAddress(id.first+".atom"))
-			// JSON Feed
 			hb.writeElementOpen("link", "rel", "alternate", "type", "application/feed+json", "title", "JSON Feed"+feedTitle, "href", a.getFullAddress(id.first+".json"))
 		},
 		func(hb *htmlBuilder) {