1 files changed, 97 insertions, 0 deletions
diff --git a/src/queries/sql/sessions/getWebsiteSessionStats.ts b/src/queries/sql/sessions/getWebsiteSessionStats.ts
new file mode 100644
index 0000000..a12e6c6
--- /dev/null
+++ b/src/queries/sql/sessions/getWebsiteSessionStats.ts
@@ -0,0 +1,97 @@
+import clickhouse from '@/lib/clickhouse';
+import { EVENT_COLUMNS } from '@/lib/constants';
+import { CLICKHOUSE, PRISMA, runQuery } from '@/lib/db';
+import prisma from '@/lib/prisma';
+import type { QueryFilters } from '@/lib/types';
+
+const FUNCTION_NAME = 'getWebsiteSessionStats';
+
+export interface WebsiteSessionStatsData {
+  pageviews: number;
+  visitors: number;
+  visits: number;
+  countries: number;
+  events: number;
+}
+
+export async function getWebsiteSessionStats(
+  ...args: [websiteId: string, filters: QueryFilters]
+): Promise<WebsiteSessionStatsData[]> {
+  return runQuery({
+    [PRISMA]: () => relationalQuery(...args),
+    [CLICKHOUSE]: () => clickhouseQuery(...args),
+  });
+}
+
+async function relationalQuery(
+  websiteId: string,
+  filters: QueryFilters,
+): Promise<WebsiteSessionStatsData[]> {
+  const { parseFilters, rawQuery } = prisma;
+  const { filterQuery, cohortQuery, queryParams } = parseFilters({
+    ...filters,
+    websiteId,
+  });
+
+  return rawQuery(
+    `
+    select
+      count(*) as "pageviews",
+      count(distinct website_event.session_id) as "visitors",
+      count(distinct website_event.visit_id) as "visits",
+      count(distinct session.country) as "countries",
+      sum(case when website_event.event_type = 2 then 1 else 0 end) as "events"
+    from website_event
+    ${cohortQuery}
+    join session on website_event.session_id = session.session_id
+      and website_event.website_id = session.website_id
+    where website_event.website_id = {{websiteId::uuid}}
+      and website_event.created_at between {{startDate}} and {{endDate}}
+      ${filterQuery}
+    `,
+    queryParams,
+    FUNCTION_NAME,
+  );
+}
+
+async function clickhouseQuery(
+  websiteId: string,
+  filters: QueryFilters,
+): Promise<WebsiteSessionStatsData[]> {
+  const { rawQuery, parseFilters } = clickhouse;
+  const { filterQuery, cohortQuery, queryParams } = parseFilters({ ...filters, websiteId });
+
+  let sql = '';
+
+  if (EVENT_COLUMNS.some(item => Object.keys(filters).includes(item))) {
+    sql = `
+    select
+      sumIf(1, event_type = 1) as "pageviews",
+      uniq(session_id) as "visitors",
+      uniq(visit_id) as "visits",
+      uniq(country) as "countries",
+      sum(length(event_name)) as "events"
+    from website_event
+    ${cohortQuery}
+    where website_id = {websiteId:UUID}
+        and created_at between {startDate:DateTime64} and {endDate:DateTime64}
+        ${filterQuery}
+    `;
+  } else {
+    sql = `
+    select
+      sum(views) as "pageviews",
+      uniq(session_id) as "visitors",
+      uniq(visit_id) as "visits",
+      uniq(country) as "countries",
+      sum(length(event_name)) as "events"
+    from website_event_stats_hourly website_event
+    ${cohortQuery}
+    where website_id = {websiteId:UUID}
+        and created_at between {startDate:DateTime64} and {endDate:DateTime64}
+        ${filterQuery}
+    `;
+  }
+
+  return rawQuery(sql, queryParams, FUNCTION_NAME);
+}