Refactor filter handling for queries.

src/app/api/websites/[websiteId]/events/series/route.ts

@@ -1,5 +1,5 @@
 import { z } from 'zod';
-import { parseRequest, getRequestDateRange, getRequestFilters } from '@/lib/request';
+import { parseRequest, getQueryFilters } from '@/lib/request';
 import { unauthorized, json } from '@/lib/response';
 import { canViewWebsite } from '@/lib/auth';
 import { filterParams, timezoneParam, unitParam } from '@/lib/schema';
@@ -24,20 +24,12 @@ export async function GET(
   }
 
   const { websiteId } = await params;
-  const { timezone } = query;
-  const { startDate, endDate, unit } = await getRequestDateRange(query);
 
   if (!(await canViewWebsite(auth, websiteId))) {
     return unauthorized();
   }
 
-  const filters = {
-    ...getRequestFilters(query),
-    startDate,
-    endDate,
-    timezone,
-    unit,
-  };
+  const filters = await getQueryFilters({ ...query, websiteId });
 
   const data = await getEventMetrics(websiteId, filters);