Comprehensive admin + user dashboards (production-ready)

app/api/public/episodes/[shareId]/cover/route.ts

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+import { NextRequest } from "next/server";
+import { prisma } from "@/lib/db";
+import { storage } from "@/lib/storage";
+
+export const dynamic = "force-dynamic";
+
+const CONTENT_TYPES: Record<string, string> = {
+  png: "image/png",
+  jpg: "image/jpeg",
+  jpeg: "image/jpeg",
+  webp: "image/webp",
+};
+
+/**
+ * Serve an episode's cover art to anonymous visitors, authorized by a valid,
+ * still-enabled public `shareId`. Used as a fallback when the storage provider
+ * doesn't expose a directly-fetchable public URL for cover art.
+ */
+export async function GET(
+  _req: NextRequest,
+  { params }: { params: Promise<{ shareId: string }> }
+) {
+  const { shareId } = await params;
+
+  const episode = await prisma.episode.findUnique({
+    where: { shareId },
+    select: { coverArt: { select: { storageKey: true } } },
+  });
+  const key = episode?.coverArt?.storageKey;
+  if (!key) return new Response("Not found", { status: 404 });
+  if (!(await storage().exists(key))) return new Response("Not found", { status: 404 });
+
+  const data = await storage().get(key);
+  const ext = key.split(".").pop()?.toLowerCase() ?? "png";
+  return new Response(data as BodyInit, {
+    headers: {
+      "Content-Type": CONTENT_TYPES[ext] ?? "image/png",
+      "Content-Length": String(data.byteLength),
+      "Cache-Control": "public, max-age=3600",
+    },
+  });
+}