Initial Typescript models.

queries/analytics/session/getSessionMetrics.ts

@@ -0,0 +1,68 @@
+import prisma from 'lib/prisma';
+import clickhouse from 'lib/clickhouse';
+import { runQuery, CLICKHOUSE, PRISMA } from 'lib/db';
+import cache from 'lib/cache';
+
+export async function getSessionMetrics(
+  ...args: [
+    websiteId: string,
+    data: { startDate: Date; endDate: Date; field: string; filters: object },
+  ]
+) {
+  return runQuery({
+    [PRISMA]: () => relationalQuery(...args),
+    [CLICKHOUSE]: () => clickhouseQuery(...args),
+  });
+}
+
+async function relationalQuery(
+  websiteId: string,
+  data: { startDate: Date; endDate: Date; field: string; filters: object },
+) {
+  const { startDate, endDate, field, filters = {} } = data;
+  const { parseFilters, rawQuery } = prisma;
+  const params = [startDate, endDate];
+  const { filterQuery, joinSession } = parseFilters(filters, params);
+
+  return rawQuery(
+    `select ${field} x, count(*) y
+    from session as x
+    where x.session_id in (
+      select pageview.session_id
+      from pageview
+        join website 
+          on pageview.website_id = website.website_id
+        ${joinSession}
+      where website.website_id='${websiteId}'
+      and pageview.created_at between $1 and $2
+      ${filterQuery}
+    )
+    group by 1
+    order by 2 desc`,
+    params,
+  );
+}
+
+async function clickhouseQuery(
+  websiteId: string,
+  data: { startDate: Date; endDate: Date; field: string; filters: object },
+) {
+  const { startDate, endDate, field, filters = {} } = data;
+  const { parseFilters, getBetweenDates, rawQuery } = clickhouse;
+  const website = await cache.fetchWebsite(websiteId);
+  const params = [websiteId, website?.revId || 0];
+  const { filterQuery } = parseFilters(filters, params);
+
+  return rawQuery(
+    `select ${field} x, count(*) y
+    from event as x
+    where website_id = $1
+      and rev_id = $2
+      and event_name = ''
+      and ${getBetweenDates('created_at', startDate, endDate)}
+      ${filterQuery}
+    group by x
+    order by y desc`,
+    params,
+  );
+}