fix: improve moments clustering

apps/web/app/api/moments/route.ts

@@ -0,0 +1,66 @@
+import { z } from "zod";
+
+import { getDb } from "@tline/db";
+import { clusterMoments } from "../../lib/moments";
+
+export const runtime = "nodejs";
+
+const querySchema = z
+  .object({
+    start: z.string().datetime().optional(),
+    end: z.string().datetime().optional(),
+    limit: z.coerce.number().int().positive().max(2000).default(1000),
+  })
+  .strict();
+
+export async function GET(request: Request): Promise<Response> {
+  const url = new URL(request.url);
+  const parsed = querySchema.safeParse({
+    start: url.searchParams.get("start") ?? undefined,
+    end: url.searchParams.get("end") ?? undefined,
+    limit: url.searchParams.get("limit") ?? undefined,
+  });
+
+  if (!parsed.success) {
+    return Response.json(
+      { error: "invalid_query", issues: parsed.error.issues },
+      { status: 400 },
+    );
+  }
+
+  const query = parsed.data;
+  const start = query.start ? new Date(query.start) : null;
+  const end = query.end ? new Date(query.end) : null;
+
+  const db = getDb();
+  const rows = await db<
+    {
+      id: string;
+      capture_ts_utc: string | null;
+    }[]
+  >`
+    select id, capture_ts_utc
+    from assets
+    where capture_ts_utc is not null
+      and (${start}::timestamptz is null or capture_ts_utc >= ${start}::timestamptz)
+      and (${end}::timestamptz is null or capture_ts_utc < ${end}::timestamptz)
+      and status <> 'failed'
+    order by capture_ts_utc asc, id asc
+    limit ${query.limit}
+  `;
+
+  const clusters = clusterMoments(
+    rows
+      .filter((row) => Boolean(row.capture_ts_utc))
+      .map((row) => ({
+        id: row.id,
+        capture_ts_utc: row.capture_ts_utc as string,
+      })),
+  );
+
+  return Response.json({
+    start: start ? start.toISOString() : null,
+    end: end ? end.toISOString() : null,
+    clusters,
+  });
+}