feat(content): add announcements and public news flows

packages/db/src/announcements.ts

@@ -0,0 +1,74 @@
+import {
+  type AnnouncementPlacement,
+  createAnnouncementInputSchema,
+  updateAnnouncementInputSchema,
+} from "@cms/content"
+
+import { db } from "./client"
+
+export type PublicAnnouncement = {
+  id: string
+  title: string
+  message: string
+  ctaLabel: string | null
+  ctaHref: string | null
+  placement: string
+  priority: number
+}
+
+export async function listAnnouncements(limit = 200) {
+  return db.announcement.findMany({
+    orderBy: [{ priority: "asc" }, { updatedAt: "desc" }],
+    take: limit,
+  })
+}
+
+export async function createAnnouncement(input: unknown) {
+  const payload = createAnnouncementInputSchema.parse(input)
+
+  return db.announcement.create({
+    data: payload,
+  })
+}
+
+export async function updateAnnouncement(input: unknown) {
+  const payload = updateAnnouncementInputSchema.parse(input)
+  const { id, ...data } = payload
+
+  return db.announcement.update({
+    where: { id },
+    data,
+  })
+}
+
+export async function deleteAnnouncement(id: string) {
+  return db.announcement.delete({
+    where: { id },
+  })
+}
+
+export async function listActiveAnnouncements(
+  placement: AnnouncementPlacement,
+  now = new Date(),
+): Promise<PublicAnnouncement[]> {
+  const announcements = await db.announcement.findMany({
+    where: {
+      placement,
+      isVisible: true,
+      OR: [{ startsAt: null }, { startsAt: { lte: now } }],
+      AND: [{ OR: [{ endsAt: null }, { endsAt: { gte: now } }] }],
+    },
+    orderBy: [{ priority: "asc" }, { createdAt: "desc" }],
+    select: {
+      id: true,
+      title: true,
+      message: true,
+      ctaLabel: true,
+      ctaHref: true,
+      placement: true,
+      priority: true,
+    },
+  })
+
+  return announcements
+}