From 80663061d8f361ae4bcea1307a10a40c41174ebe Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Sat, 8 Oct 2022 14:00:39 +0200
Subject: [feature] Add opt-in RSS feed for account's latest Public posts
 (#897)

* start adding rss functionality

* add gorilla/feeds dependency

* first bash at building rss feed
still needs work, this is an interim commit

* tidy up a bit

* add publicOnly option to GetAccountLastPosted

* implement rss endpoint

* fix test

* add initial user docs for rss

* update rss logo

* docs update

* add rssFeed to frontend

* feed -> feed.rss

* enableRSS

* increase rss logo size a lil bit

* add rss toggle

* move emojify to text package

* fiddle with rss feed formatting

* add Text field to test statuses

* move status to rss item to typeconverter

* update bun schema for enablerss

* simplify 304 checking

* assume account not rss

* update tests

* update swagger docs

* allow more characters in title, trim nicer

* update last posted to be more consistent
---
 internal/web/web.go | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

(limited to 'internal/web/web.go')

diff --git a/internal/web/web.go b/internal/web/web.go
index a816f3f08..cdcf7422f 100644
--- a/internal/web/web.go
+++ b/internal/web/web.go
@@ -21,7 +21,6 @@ package web
 import (
 	"errors"
 	"net/http"
-	"time"
 
 	"codeberg.org/gruf/go-cache/v2"
 	"github.com/gin-gonic/gin"
@@ -36,6 +35,7 @@ const (
 	confirmEmailPath = "/" + uris.ConfirmEmailPath
 	profilePath      = "/@:" + usernameKey
 	customCSSPath    = profilePath + "/custom.css"
+	rssFeedPath      = profilePath + "/feed.rss"
 	statusPath       = profilePath + "/statuses/:" + statusIDKey
 	assetsPathPrefix = "/assets"
 	userPanelPath    = "/settings/user"
@@ -44,23 +44,26 @@ const (
 	tokenParam  = "token"
 	usernameKey = "username"
 	statusIDKey = "status"
+
+	cacheControlHeader    = "Cache-Control"     // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
+	cacheControlNoCache   = "no-cache"          // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control#response_directives
+	ifModifiedSinceHeader = "If-Modified-Since" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since
+	ifNoneMatchHeader     = "If-None-Match"     // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-None-Match
+	eTagHeader            = "ETag"              // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
+	lastModifiedHeader    = "Last-Modified"     // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Last-Modified
 )
 
 // Module implements the api.ClientModule interface for web pages.
 type Module struct {
-	processor       processing.Processor
-	assetsETagCache cache.Cache[string, eTagCacheEntry]
+	processor processing.Processor
+	eTagCache cache.Cache[string, eTagCacheEntry]
 }
 
 // New returns a new api.ClientModule for web pages.
 func New(processor processing.Processor) api.ClientModule {
-	assetsETagCache := cache.New[string, eTagCacheEntry]()
-	assetsETagCache.SetTTL(time.Hour, false)
-	assetsETagCache.Start(time.Minute)
-
 	return &Module{
-		processor:       processor,
-		assetsETagCache: assetsETagCache,
+		processor: processor,
+		eTagCache: newETagCache(),
 	}
 }
 
@@ -99,6 +102,8 @@ func (m *Module) Route(s router.Router) error {
 	// serve custom css at /@username/custom.css
 	s.AttachHandler(http.MethodGet, customCSSPath, m.customCSSGETHandler)
 
+	s.AttachHandler(http.MethodGet, rssFeedPath, m.rssFeedGETHandler)
+
 	// serve statuses
 	s.AttachHandler(http.MethodGet, statusPath, m.threadGETHandler)
 
-- 
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