Initial Typescript models.

queries/analytics/session/getSession.ts

@@ -0,0 +1,40 @@
+import clickhouse from 'lib/clickhouse';
+import { CLICKHOUSE, PRISMA, runQuery } from 'lib/db';
+import prisma from 'lib/prisma';
+import { Prisma } from '@prisma/client';
+
+export async function getSession(args: { id: string }) {
+  return runQuery({
+    [PRISMA]: () => relationalQuery(args),
+    [CLICKHOUSE]: () => clickhouseQuery(args),
+  });
+}
+
+async function relationalQuery(where: Prisma.SessionWhereUniqueInput) {
+  return prisma.client.session.findUnique({
+    where,
+  });
+}
+
+async function clickhouseQuery({ id: sessionId }: { id: string }) {
+  const { rawQuery, findFirst } = clickhouse;
+  const params = [sessionId];
+
+  return rawQuery(
+    `select
+      session_id, 
+      website_id, 
+      created_at, 
+      hostname, 
+      browser, 
+      os, 
+      device, 
+      screen,
+      language, 
+      country 
+    from event
+      where session_id = $1
+    limit 1`,
+    params,
+  ).then(result => findFirst(result));
+}