Added retention screen.

src/app/api/websites/[websiteId]/retention/route.ts

@@ -0,0 +1,42 @@
+import { z } from 'zod';
+import { canViewWebsite } from '@/lib/auth';
+import { unauthorized, json } from '@/lib/response';
+import { getRequestDateRange, parseRequest } from '@/lib/request';
+import { getRetention } from '@/queries';
+import { filterParams, timezoneParam, unitParam } from '@/lib/schema';
+
+export async function GET(
+  request: Request,
+  { params }: { params: Promise<{ websiteId: string }> },
+) {
+  const schema = z.object({
+    startAt: z.coerce.number().int(),
+    endAt: z.coerce.number().int(),
+    unit: unitParam,
+    timezone: timezoneParam,
+    ...filterParams,
+  });
+
+  const { auth, query, error } = await parseRequest(request, schema);
+
+  if (error) {
+    return error();
+  }
+
+  const { websiteId } = await params;
+  const { timezone } = query;
+
+  if (!(await canViewWebsite(auth, websiteId))) {
+    return unauthorized();
+  }
+
+  const { startDate, endDate } = await getRequestDateRange(query);
+
+  const data = await getRetention(websiteId, {
+    startDate,
+    endDate,
+    timezone,
+  });
+
+  return json(data);
+}

src/app/api/websites/[websiteId]/utm/route.ts

@@ -33,8 +33,8 @@ export async function GET(
   const { startDate, endDate } = await getRequestDateRange(query);
 
   const data = await getUTM(websiteId, {
-    startDate: new Date(startDate),
-    endDate: new Date(endDate),
+    startDate,
+    endDate,
     timezone,
   });