Add user usage.

queries/analytics/eventData/getEventDataUsage.ts

@@ -0,0 +1,32 @@
+import clickhouse from 'lib/clickhouse';
+import { CLICKHOUSE, PRISMA, runQuery } from 'lib/db';
+
+export function getEventDataUsage(...args: [websiteIds: string[], startDate: Date, endDate: Date]) {
+  return runQuery({
+    [PRISMA]: () => relationalQuery(...args),
+    [CLICKHOUSE]: () => clickhouseQuery(...args),
+  });
+}
+
+function relationalQuery(websiteIds: string[], startDate: Date, endDate: Date) {
+  throw new Error('Not Implemented');
+}
+
+function clickhouseQuery(websiteIds: string[], startDate: Date, endDate: Date) {
+  const { rawQuery } = clickhouse;
+
+  return rawQuery(
+    `select 
+        website_id as websiteId,
+        count(*) as count
+    from event_data 
+    where created_at between {startDate:DateTime64} and {endDate:DateTime64}
+    and website_id in {websiteIds:Array(UUID)}
+    group by website_id`,
+    {
+      websiteIds,
+      startDate,
+      endDate,
+    },
+  );
+}