Retire the topic pages and the topic browser

app/layouts/topbar/pageRoutes.tsx

@@ -3,14 +3,9 @@ import {
   faHouse as faHouseLight,
   faBookmark as faBookmarkLight,
   faCommentsQuestion,
-  faGrid3 as faGrid3Light,
 } from '@fortawesome/pro-light-svg-icons';
-import { Shield, Hash, Users, Activity, Settings } from 'lucide-react';
-import Image from 'next/image';
+import { Shield, Users, Activity, Settings } from 'lucide-react';
 import { Icon } from '@/components/ui/icons';
-import { getTopicEmoji } from '@/components/Topic/TopicEmojis';
-import { toTitleCase } from '@/utils/stringUtils';
-import { getSourceLogo, getPreprintDisplayName } from '@/utils/preprintUtil';
 import { HOME_TAB_PATHS, isHomeTabPath } from '@/hooks/useFundTabs';
 
 export interface PageInfo {
@@ -25,7 +20,6 @@ export const ROOT_NAVIGATION_PATHS = new Set([
   '/peer-review',
   '/journal',
   '/notebook',
-  '/browse',
   '/lists',
   '/settings',
   '/endowment',
@@ -48,13 +42,6 @@ const ROUTE_RULES: RouteRule[] = [
       icon: <FontAwesomeIcon icon={faHouseLight} fontSize={24} color="#000" />,
     }),
   },
-  {
-    match: (p) => p === '/browse',
-    getInfo: () => ({
-      title: 'Browse',
-      icon: <FontAwesomeIcon icon={faGrid3Light} fontSize={24} color="#000" />,
-    }),
-  },
   {
     match: (p) => p === '/my-funding',
     getInfo: () => ({
@@ -196,42 +183,6 @@ const ROUTE_RULES: RouteRule[] = [
       icon: <Icon name="profile" size={24} className="text-gray-900" />,
     }),
   },
-  {
-    match: (p) => p.startsWith('/topic/'),
-    getInfo: (pathname) => {
-      const topicSlug = pathname.split('/topic/')[1]?.split('/')[0];
-      if (!topicSlug) return { title: '' };
-
-      const preprintLogo = getSourceLogo(topicSlug);
-      if (preprintLogo && preprintLogo !== 'rhJournal2') {
-        return {
-          title: '',
-          icon: (
-            <Image
-              src={preprintLogo}
-              alt={getPreprintDisplayName(topicSlug)}
-              width={80}
-              height={24}
-              className="object-contain"
-              style={{ maxHeight: '24px' }}
-            />
-          ),
-        };
-      }
-
-      const emoji = getTopicEmoji(topicSlug);
-      const topicName = toTitleCase(topicSlug.replace(/-/g, ' '));
-
-      return {
-        title: topicName,
-        icon: emoji ? (
-          <span className="text-2xl">{emoji}</span>
-        ) : (
-          <Hash className="w-6 h-6 text-gray-400" />
-        ),
-      };
-    },
-  },
 ];
 
 export const getPageInfo = (pathname: string, searchParams?: URLSearchParams): PageInfo | null => {

app/sitemap.ts

@@ -71,7 +71,6 @@ const STATIC_ROUTES: MetadataRoute.Sitemap = [
   { url: `${SITE_URL}/fund/proposals`, changeFrequency: 'daily', priority: 0.8 },
   { url: `${SITE_URL}/peer-review`, changeFrequency: 'daily', priority: 0.8 },
   { url: `${SITE_URL}/journal`, changeFrequency: 'daily', priority: 0.7 },
-  { url: `${SITE_URL}/browse`, changeFrequency: 'daily', priority: 0.6 },
   { url: `${SITE_URL}/lists`, changeFrequency: 'daily', priority: 0.5 },
   { url: `${SITE_URL}/about`, changeFrequency: 'monthly', priority: 0.5 },
   { url: `${SITE_URL}/researchcoin`, changeFrequency: 'monthly', priority: 0.5 },
@@ -80,7 +79,7 @@ const STATIC_ROUTES: MetadataRoute.Sitemap = [
 ];
 
 export async function generateSitemaps() {
-  return [{ id: 0 }, { id: 1 }, { id: 2 }, { id: 3 }, { id: 4 }];
+  return [{ id: 0 }, { id: 1 }, { id: 2 }, { id: 3 }];
 }
 
 export default async function sitemap({
@@ -97,23 +96,12 @@ export default async function sitemap({
       (item) => item.content_object
     );
 
-  if (sitemapId === 2) {
-    const hubs = await fetchAllPages<{ slug: string }>('/api/hub/?page_size=1000');
-    return dedupe(
-      hubs.map((hub) => ({
-        url: `${SITE_URL}/topic/${hub.slug}`,
-        changeFrequency: 'daily' as const,
-        priority: 0.6,
-      }))
-    );
-  }
-
-  if (sitemapId === 3)
+  if (sitemapId === 2)
     return buildSlugSitemap(
       '/api/researchhubpost/?document_type=PREREGISTRATION&page_size=1000',
       '/proposal/'
     );
-  if (sitemapId === 4)
+  if (sitemapId === 3)
     return buildSlugSitemap('/api/researchhubpost/?document_type=GRANT&page_size=100', '/grant/');
 
   return [];

components/Feed/FeedItemJournalBadge.tsx

@@ -0,0 +1,23 @@
+'use client';
+
+import { FC } from 'react';
+import { HashtagBadge } from '@/components/ui/badges/HashtagBadge';
+import { Journal } from '@/types/journal';
+import { getSourceLogo } from '@/utils/preprintUtil';
+
+interface FeedItemJournalBadgeProps {
+  journal?: Journal;
+}
+
+/**
+ * The hashtag-style journal badge (e.g. #biorxiv) on a paper feed item. Only
+ * the ResearchHub Journal has a page to link to.
+ */
+export const FeedItemJournalBadge: FC<FeedItemJournalBadgeProps> = ({ journal }) => {
+  if (!journal?.name || !journal.slug) return null;
+  const logo = getSourceLogo(journal.slug);
+  if (!logo) return null;
+  return (
+    <HashtagBadge label={journal.slug} href={logo === 'rhJournal2' ? '/journal' : undefined} />
+  );
+};