Render discussion listings and the room overview on the server

src/routes/+page.ts

@@ -0,0 +1,20 @@
+import { MODE, GROUP_ID } from "$lib/config";
+import {
+  snapshot,
+  type OverviewSnapshot,
+  type ThreadsSnapshot,
+} from "$lib/forum/snapshot";
+
+// Simple mode: the single group's listing. Full mode: the room overview.
+export async function load({ fetch, url }) {
+  if (MODE === "simple") {
+    const sort = url.searchParams.get("sort") === "new" ? "?sort=new" : "";
+    const threads = await snapshot<ThreadsSnapshot>(
+      fetch,
+      `/api/threads/${GROUP_ID}${sort}`,
+    );
+    return { threads, profiles: threads?.profiles ?? null };
+  }
+  const overview = await snapshot<OverviewSnapshot>(fetch, "/api/overview");
+  return { overview, profiles: overview?.profiles ?? null };
+}

src/routes/api/overview/+server.ts

@@ -0,0 +1,20 @@
+import { json } from "@sveltejs/kit";
+import { MODE, GROUP_ID } from "$lib/config";
+import { fetchGroups } from "$lib/forum/groups";
+import { fetchOverview, overviewPubkeys } from "$lib/forum/overview";
+import { fetchProfiles } from "$lib/forum/profiles";
+import type { OverviewSnapshot } from "$lib/forum/snapshot";
+import { forumQuery, profileQuery } from "$lib/ssr/relay";
+
+// Room activity and the latest discussions: every room in full mode, the
+// single group in simple mode (mirrors LatestDiscussions' own room set).
+export async function GET() {
+  const roomIds =
+    MODE === "full"
+      ? (await fetchGroups(forumQuery)).map((g) => g.id)
+      : [GROUP_ID];
+  const overview = await fetchOverview(forumQuery, roomIds);
+  const profiles = await fetchProfiles(profileQuery, overviewPubkeys(overview));
+  const body: OverviewSnapshot = { roomIds, ...overview, profiles };
+  return json(body);
+}

src/routes/api/threads/[group]/+server.ts

@@ -0,0 +1,43 @@
+import { error, json } from "@sveltejs/kit";
+import { MODE, GROUP_ID } from "$lib/config";
+import { fetchGroups } from "$lib/forum/groups";
+import {
+  fetchThreadPage,
+  threadPagePubkeys,
+  type SortMode,
+} from "$lib/forum/threads";
+import { fetchProfiles } from "$lib/forum/profiles";
+import type { ThreadsSnapshot } from "$lib/forum/snapshot";
+import { forumQuery, profileQuery } from "$lib/ssr/relay";
+
+// First page of a group's listing. Unknown rooms are a 404 so crawlers don't
+// index empty shells; private rooms are simply empty to the anonymous server.
+export async function GET({ params, url }) {
+  const groupId = params.group;
+  if (MODE === "simple") {
+    if (groupId !== GROUP_ID) error(404, "Not found");
+  } else {
+    const groups = await fetchGroups(forumQuery);
+    if (!groups.some((g) => g.id === groupId)) error(404, "Not found");
+  }
+  const sort: SortMode =
+    url.searchParams.get("sort") === "new" ? "new" : "active";
+  const snapshotAt = Math.floor(Date.now() / 1000);
+  const page = await fetchThreadPage(forumQuery, groupId, {
+    sort,
+    until: snapshotAt,
+    snapshotAt,
+  });
+  const profiles = await fetchProfiles(
+    profileQuery,
+    threadPagePubkeys(page.threads),
+  );
+  const body: ThreadsSnapshot = {
+    groupId,
+    sort,
+    snapshotAt,
+    ...page,
+    profiles,
+  };
+  return json(body);
+}

src/routes/contacts/+page.ts

@@ -1,6 +1,17 @@
-import { snapshot, type Profiles } from "$lib/forum/snapshot";
+import {
+  snapshot,
+  type OverviewSnapshot,
+  type Profiles,
+} from "$lib/forum/snapshot";
 
+// Admin profiles for the cards, plus the latest-discussions panel beside them.
 export async function load({ fetch }) {
-  const data = await snapshot<{ profiles: Profiles }>(fetch, "/api/contacts");
-  return { profiles: data?.profiles ?? null };
+  const [contacts, overview] = await Promise.all([
+    snapshot<{ profiles: Profiles }>(fetch, "/api/contacts"),
+    snapshot<OverviewSnapshot>(fetch, "/api/overview"),
+  ]);
+  return {
+    overview,
+    profiles: { ...overview?.profiles, ...contacts?.profiles },
+  };
 }

src/routes/resource/[slug]/+page.ts

@@ -0,0 +1,7 @@
+import { snapshot, type OverviewSnapshot } from "$lib/forum/snapshot";
+
+// Articles show the latest-discussions panel next to the text.
+export async function load({ fetch }) {
+  const overview = await snapshot<OverviewSnapshot>(fetch, "/api/overview");
+  return { overview, profiles: overview?.profiles ?? null };
+}

src/routes/room/[slug]/+page.ts

@@ -0,0 +1,10 @@
+import { snapshot, type ThreadsSnapshot } from "$lib/forum/snapshot";
+
+export async function load({ fetch, params, url }) {
+  const sort = url.searchParams.get("sort") === "new" ? "?sort=new" : "";
+  const threads = await snapshot<ThreadsSnapshot>(
+    fetch,
+    `/api/threads/${params.slug}${sort}`,
+  );
+  return { threads, profiles: threads?.profiles ?? null };
+}