Add /feed urls to home, profile, community, and multicommunity.

- You can now go to any of the above pages, add `/feed` to the url, and
it will redirect to the correct back-end lemmy rss feed.
- Fixes #3215

src/server/handlers/community-feed-handler.ts

@@ -0,0 +1,7 @@
+import { communityRSSUrlLocal } from "@utils/app";
+import type { Request, Response } from "express";
+
+export default async (req: Request, res: Response) => {
+  const name = req.params.name;
+  res.redirect(communityRSSUrlLocal(name));
+};

src/server/handlers/frontpage-feed-handler.ts

@@ -0,0 +1,6 @@
+import { localRSSUrl } from "@utils/app";
+import type { Response } from "express";
+
+export default async ({ res }: { res: Response }) => {
+  res.redirect(localRSSUrl());
+};

src/server/handlers/multi-community-feed-handler.ts

@@ -0,0 +1,7 @@
+import { multiCommunityRSSUrlLocal } from "@utils/app";
+import type { Request, Response } from "express";
+
+export default async (req: Request, res: Response) => {
+  const name = req.params.name;
+  res.redirect(multiCommunityRSSUrlLocal(name));
+};

src/server/handlers/profile-feed-handler.ts

@@ -0,0 +1,7 @@
+import { profileRSSUrl } from "@utils/app";
+import type { Request, Response } from "express";
+
+export default async (req: Request, res: Response) => {
+  const name = req.params.name;
+  res.redirect(profileRSSUrl(name));
+};

src/server/index.tsx

@@ -19,6 +19,10 @@ import cookieParser from "cookie-parser";
 import { setupMarkdown } from "@utils/markdown";
 import compression from "compression";
 import { enableResponseBodyCompression } from "./utils/dev-env";
+import FrontPageFeedHandler from "./handlers/frontpage-feed-handler";
+import ProfileFeedHandler from "./handlers/profile-feed-handler";
+import CommunityFeedHandler from "./handlers/community-feed-handler";
+import MultiCommunityFeedHandler from "./handlers/multi-community-feed-handler";
 
 const server = express();
 server.use(cookieParser());
@@ -81,6 +85,10 @@ server.get("/manifest.webmanifest", ManifestHandler);
 server.get("/css/themes/:name", ThemeHandler);
 server.get("/css/code-themes/:name", CodeThemeHandler);
 server.get("/css/themelist", ThemesListHandler);
+server.get("/feed", FrontPageFeedHandler);
+server.get("/u/:name/feed", ProfileFeedHandler);
+server.get("/c/:name/feed", CommunityFeedHandler);
+server.get("/m/:name/feed", MultiCommunityFeedHandler);
 server.get("/{*splat}", CatchAllHandler);
 
 const listener = server.listen(Number(port), hostname, () => {

src/shared/components/home/home.tsx

@@ -1,15 +1,18 @@
 import {
+  allRSSUrl,
   commentsToFlatNodes,
   defaultPostListingMode,
   editComment,
   editPersonNotes,
   editPost,
   enableNsfw,
+  localRSSUrl,
   mixedToCommentSortType,
   mixedToPostSortType,
   myAuth,
   setIsoData,
   showLocal,
+  subscribedRSSUrl,
   updateCommunityBlock,
   updatePersonBlock,
 } from "@utils/app";
@@ -97,7 +100,7 @@ import { CommunityLink } from "../community/community-link";
 import { PostListings } from "../post/post-listings";
 import { SiteSidebar } from "./site-sidebar";
 import { PaginatorCursor } from "../common/paginator-cursor";
-import { getHttpBaseInternal, httpBackendUrl } from "@utils/env";
+import { getHttpBaseInternal } from "@utils/env";
 import {
   CommentsLoadingSkeleton,
   PostsLoadingSkeleton,
@@ -147,18 +150,16 @@ function getRss(listingType: ListingType, sort: PostSortType) {
   const queryString = getQueryString({ sort });
   switch (listingType) {
     case "all": {
-      rss = httpBackendUrl("/feeds/all.xml" + queryString);
+      rss = allRSSUrl(queryString);
       break;
     }
     case "local": {
-      rss = httpBackendUrl("/feeds/local.xml" + queryString);
+      rss = localRSSUrl(queryString);
       break;
     }
     case "subscribed": {
       const auth = myAuth();
-      rss = auth
-        ? httpBackendUrl(`/feeds/front/${auth}.xml${queryString}`)
-        : undefined;
+      rss = auth ? subscribedRSSUrl(auth, queryString) : undefined;
       break;
     }
   }

src/shared/components/person/notifications.tsx

@@ -2,6 +2,7 @@ import {
   commentToFlatNode,
   enableNsfw,
   myAuth,
+  notificationsRSSUrl,
   setIsoData,
   updateCommunityBlock,
   updatePersonBlock,
@@ -73,7 +74,7 @@ import { toast } from "@utils/app";
 import { HtmlTags } from "../common/html-tags";
 import { Icon, Spinner } from "../common/icon";
 import { PrivateMessage } from "../private_message/private-message";
-import { getHttpBaseInternal, httpBackendUrl } from "@utils/env";
+import { getHttpBaseInternal } from "@utils/env";
 import { CommentsLoadingSkeleton } from "../common/loading-skeleton";
 import { RouteComponentProps } from "inferno-router/dist/Route";
 import { IRoutePropsWithFetch } from "@utils/routes";
@@ -212,9 +213,7 @@ export class Notifications extends Component<
 
   render() {
     const auth = myAuth();
-    const notifsRss = auth
-      ? httpBackendUrl(`/feeds/notifications/${auth}.xml`)
-      : undefined;
+    const notifsRss = auth ? notificationsRSSUrl(auth) : undefined;
     return (
       <div className="notifications container-lg">
         <div className="row">

src/shared/components/person/profile.tsx

@@ -7,6 +7,7 @@ import {
   enableNsfw,
   getUncombinedPersonContent,
   postViewToPersonContentCombinedView,
+  profileRSSUrl,
   setIsoData,
   updateCommunityBlock,
   updatePersonBlock,
@@ -104,7 +105,7 @@ import { UserBadges } from "../common/user-badges";
 import { CommunityLink } from "../community/community-link";
 import { PersonDetails } from "./person-details";
 import { PersonListing } from "./person-listing";
-import { getHttpBaseInternal, httpBackendUrl } from "@utils/env";
+import { getHttpBaseInternal } from "@utils/env";
 import { IRoutePropsWithFetch } from "@utils/routes";
 import { MediaUploads } from "../common/media-uploads";
 import { cakeDate, futureDaysToUnixTime, nowBoolean } from "@utils/date";
@@ -888,9 +889,7 @@ export class Profile extends Component<ProfileRouteProps, ProfileState> {
     const { sort, filter } = this.props;
     const { username } = this.props.match.params;
 
-    const profileRss = httpBackendUrl(
-      `/feeds/u/${username}.xml${getQueryString({ sort })}`,
-    );
+    const profileRss = profileRSSUrl(username, sort);
 
     return (
       <div className="row align-items-center mb-3 g-3">

src/shared/utils/app.ts

@@ -30,6 +30,7 @@ import {
   PostListingMode,
   MultiCommunity,
   MultiCommunityView,
+  SearchSortType,
 } from "lemmy-js-client";
 import {
   CommentNodeI,
@@ -132,7 +133,10 @@ export function commentToFlatNode(cv: CommentView): CommentNodeType {
   return { view: { comment_view: cv, children: [], depth: 0 } };
 }
 
-export function communityRSSUrl(community: Community, sort: string): string {
+export function communityRSSUrl(
+  community: Community,
+  sort: PostSortType = "new",
+): string {
   // Only add the domain for non-local
   const domain = community.local ? "" : `@${hostname(community.ap_id)}`;
 
@@ -141,9 +145,14 @@ export function communityRSSUrl(community: Community, sort: string): string {
   );
 }
 
+/** This is used for the /c/:name/feed endpoint only. **/
+export function communityRSSUrlLocal(communityName: string) {
+  return httpBackendUrl(`/feeds/c/${communityName}.xml`);
+}
+
 export function multiCommunityRSSUrl(
   multiCommunity: MultiCommunity,
-  sort: string,
+  sort: PostSortType = "new",
 ): string {
   // Only add the domain for non-local
   const domain = multiCommunity.local
@@ -153,6 +162,37 @@ export function multiCommunityRSSUrl(
   return `/feeds/m/${multiCommunity.name}${domain}.xml${getQueryString({ sort })}`;
 }
 
+/** This is used for the /m/:name/feed endpoint only. **/
+export function multiCommunityRSSUrlLocal(multiCommunityName: string) {
+  return httpBackendUrl(`/feeds/m/${multiCommunityName}.xml`);
+}
+
+export function allRSSUrl(queryString: string = ""): string {
+  return httpBackendUrl("/feeds/all.xml" + queryString);
+}
+
+export function localRSSUrl(queryString: string = ""): string {
+  return httpBackendUrl("/feeds/local.xml" + queryString);
+}
+
+export function subscribedRSSUrl(
+  auth: string,
+  queryString: string = "",
+): string {
+  return httpBackendUrl(`/feeds/front/${auth}.xml${queryString}`);
+}
+
+export function profileRSSUrl(
+  username: string,
+  sort: SearchSortType = "new",
+): string {
+  return httpBackendUrl(`/feeds/u/${username}.xml${getQueryString({ sort })}`);
+}
+
+export function notificationsRSSUrl(auth: string): string {
+  return httpBackendUrl(`/feeds/notifications/${auth}.xml`);
+}
+
 export async function communitySearch(
   text: string,
 ): Promise<CommunityTribute[]> {