add rss support for repos

Author: 6543

modules/context/repo.go

@@ -418,6 +418,8 @@ func RepoAssignment(ctx *Context) (cancel context.CancelFunc) {
 	userName := ctx.Params(":username")
 	repoName := ctx.Params(":reponame")
 	repoName = strings.TrimSuffix(repoName, ".git")
+	repoName = strings.TrimSuffix(repoName, ".rss")
+	repoName = strings.TrimSuffix(repoName, ".atom")
 
 	// Check if the user is the same as the repository owner
 	if ctx.IsSigned && ctx.User.LowerName == strings.ToLower(userName) {

routers/web/feed/convert.go

@@ -7,6 +7,7 @@ package feed
 import (
 	"fmt"
 	"html"
+	"net/http"
 	"net/url"
 	"strconv"
 	"strings"
@@ -226,3 +227,24 @@ func feedActionsToFeedItems(ctx *context.Context, actions models.ActionList) (it
 	}
 	return
 }
+
+// GetFeedType return altered name and feed type, if type is empty it's no feed.
+func GetFeedType(name string, req *http.Request) (string, string) {
+	if strings.Contains(req.Header.Get("Accept"), "application/rss+xml") {
+		return name, "rss"
+	}
+
+	if strings.Contains(req.Header.Get("Accept"), "application/atom+xml") {
+		return name, "atom"
+	}
+
+	if strings.HasSuffix(name, ".rss") {
+		return strings.TrimSuffix(name, ".rss"), "rss"
+	}
+
+	if strings.HasSuffix(name, ".atom") {
+		return strings.TrimSuffix(name, ".atom"), "atom"
+	}
+
+	return name, ""
+}

routers/web/feed/repo.go

@@ -0,0 +1,46 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package feed
+
+import (
+	"time"
+
+	"code.gitea.io/gitea/models"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/modules/context"
+
+	"github.com/gorilla/feeds"
+)
+
+// ShowRepoFeed show user activitys based on repo as RSS / Atom feed
+func ShowRepoFeed(ctx *context.Context, repo *repo_model.Repository, formatType string) {
+	actions, err := models.GetFeeds(ctx, models.GetFeedsOptions{
+		RequestedRepo:   repo,
+		Actor:           ctx.User,
+		IncludePrivate:  false,
+		OnlyPerformedBy: false,
+		IncludeDeleted:  false,
+		Date:            ctx.FormString("date"),
+	})
+	if err != nil {
+		ctx.ServerError("GetFeeds", err)
+		return
+	}
+
+	feed := &feeds.Feed{
+		Title:       ctx.Tr("home.feed_of", repo.FullName()),
+		Link:        &feeds.Link{Href: repo.HTMLURL()},
+		Description: repo.Description,
+		Created:     time.Now(),
+	}
+
+	feed.Items, err = feedActionsToFeedItems(ctx, actions)
+	if err != nil {
+		ctx.ServerError("convert feed", err)
+		return
+	}
+
+	writeFeed(ctx, feed, formatType)
+}

routers/web/repo/view.go

@@ -38,6 +38,7 @@ import (
 	"code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/typesniffer"
 	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/routers/web/feed"
 )
 
 const (
@@ -691,6 +692,12 @@ func checkHomeCodeViewable(ctx *context.Context) {
 
 // Home render repository home page
 func Home(ctx *context.Context) {
+	_, showFeedType := feed.GetFeedType(ctx.Params(":reponame"), ctx.Req)
+	if len(showFeedType) != 0 {
+		feed.ShowRepoFeed(ctx, ctx.Repo.Repository, showFeedType)
+		return
+	}
+
 	checkHomeCodeViewable(ctx)
 	if ctx.Written() {
 		return

routers/web/user/profile.go

@@ -74,19 +74,7 @@ func Profile(ctx *context.Context) {
 		uname = strings.TrimSuffix(uname, ".gpg")
 	}
 
-	showFeedType := ""
-	if strings.HasSuffix(uname, ".rss") {
-		showFeedType = "rss"
-		uname = strings.TrimSuffix(uname, ".rss")
-	} else if strings.Contains(ctx.Req.Header.Get("Accept"), "application/rss+xml") {
-		showFeedType = "rss"
-	}
-	if strings.HasSuffix(uname, ".atom") {
-		showFeedType = "atom"
-		uname = strings.TrimSuffix(uname, ".atom")
-	} else if strings.Contains(ctx.Req.Header.Get("Accept"), "application/atom+xml") {
-		showFeedType = "atom"
-	}
+	uname, showFeedType := feed.GetFeedType(uname, ctx.Req)
 
 	ctxUser := GetUserByName(ctx, uname)
 	if ctx.Written() {