feat(server/timeline): public preview and paginated list by slug

Made-with: Cursor

server/api/public/profile/[publicSlug].get.ts

@@ -2,7 +2,7 @@ import { dbGlobal } from "drizzle-pkg/lib/db";
 import { users } from "drizzle-pkg/lib/schema/auth";
 import { and, eq } from "drizzle-orm";
 import { getPublicPostsPreviewBySlug } from "#server/service/posts";
-import { listPublicTimelineBySlug } from "#server/service/timeline";
+import { getPublicTimelinePreviewBySlug } from "#server/service/timeline";
 import { listPublicRssItemsBySlug } from "#server/service/rss";
 import { parseSocialLinksJson } from "#server/service/profile";
 
@@ -33,7 +33,7 @@ export default defineEventHandler(async (event) => {
     bio: { markdown: string | null } | null;
     links: typeof links;
     posts: Awaited<ReturnType<typeof getPublicPostsPreviewBySlug>>;
-    timeline: Awaited<ReturnType<typeof listPublicTimelineBySlug>>;
+    timeline: Awaited<ReturnType<typeof getPublicTimelinePreviewBySlug>>;
     rssItems: Awaited<ReturnType<typeof listPublicRssItemsBySlug>>;
   } = {
     user: {
@@ -44,7 +44,7 @@ export default defineEventHandler(async (event) => {
     bio: null,
     links,
     posts: await getPublicPostsPreviewBySlug(publicSlug),
-    timeline: await listPublicTimelineBySlug(publicSlug),
+    timeline: await getPublicTimelinePreviewBySlug(publicSlug),
     rssItems: await listPublicRssItemsBySlug(publicSlug),
   };
 

server/service/timeline/index.ts

@@ -1,8 +1,10 @@
 import { dbGlobal } from "drizzle-pkg/lib/db";
 import { timelineEvents } from "drizzle-pkg/lib/schema/content";
 import { users } from "drizzle-pkg/lib/schema/auth";
-import { and, desc, eq } from "drizzle-orm";
+import { and, count, desc, eq } from "drizzle-orm";
+import { PUBLIC_LIST_PAGE_SIZE, PUBLIC_PREVIEW_LIMIT } from "#server/constants/public-profile-lists";
 import { visibilitySchema, type Visibility } from "#server/constants/visibility";
+import { normalizePublicListPage } from "#server/utils/public-pagination";
 import { visibilityShareToken } from "#server/utils/share-token";
 import { nextIntegerId } from "#server/utils/sqlite-id";
 
@@ -100,20 +102,54 @@ export async function deleteTimelineEvent(userId: number, id: number) {
   return true;
 }
 
-export async function listPublicTimelineBySlug(publicSlug: string) {
-  const rows = await dbGlobal
-    .select({ ev: timelineEvents })
-    .from(timelineEvents)
-    .innerJoin(users, eq(timelineEvents.userId, users.id))
-    .where(
-      and(
+function publicTimelineListWhere(publicSlug: string) {
+  return and(
     eq(users.publicSlug, publicSlug),
     eq(users.status, "active"),
     eq(timelineEvents.visibility, "public"),
-      ),
-    )
-    .orderBy(desc(timelineEvents.occurredOn), desc(timelineEvents.id));
-  return rows.map((r) => r.ev);
+  );
+}
+
+export async function getPublicTimelinePreviewBySlug(publicSlug: string) {
+  const whereClause = publicTimelineListWhere(publicSlug);
+  const [countRows, rows] = await Promise.all([
+    dbGlobal
+      .select({ total: count() })
+      .from(timelineEvents)
+      .innerJoin(users, eq(timelineEvents.userId, users.id))
+      .where(whereClause),
+    dbGlobal
+      .select({ ev: timelineEvents })
+      .from(timelineEvents)
+      .innerJoin(users, eq(timelineEvents.userId, users.id))
+      .where(whereClause)
+      .orderBy(desc(timelineEvents.occurredOn), desc(timelineEvents.id))
+      .limit(PUBLIC_PREVIEW_LIMIT),
+  ]);
+  return { items: rows.map((r) => r.ev), total: countRows[0]?.total ?? 0 };
+}
+
+export async function getPublicTimelinePageBySlug(publicSlug: string, pageRaw: unknown) {
+  const page = normalizePublicListPage(pageRaw);
+  const pageSize = PUBLIC_LIST_PAGE_SIZE;
+  const offset = (page - 1) * pageSize;
+  const whereClause = publicTimelineListWhere(publicSlug);
+  const [countRows, rows] = await Promise.all([
+    dbGlobal
+      .select({ total: count() })
+      .from(timelineEvents)
+      .innerJoin(users, eq(timelineEvents.userId, users.id))
+      .where(whereClause),
+    dbGlobal
+      .select({ ev: timelineEvents })
+      .from(timelineEvents)
+      .innerJoin(users, eq(timelineEvents.userId, users.id))
+      .where(whereClause)
+      .orderBy(desc(timelineEvents.occurredOn), desc(timelineEvents.id))
+      .limit(pageSize)
+      .offset(offset),
+  ]);
+  return { items: rows.map((r) => r.ev), total: countRows[0]?.total ?? 0, page, pageSize };
 }
 
 export async function getUnlistedTimeline(publicSlug: string, shareToken: string) {