From afc28503a5063a769ca20a4082201144523c6c1f Mon Sep 17 00:00:00 2001
From: Eunjae Lee <hey@eunjae.dev>
Date: Fri, 13 Jun 2025 06:47:47 +0200
Subject: [PATCH] fix: apply user timeZone for Event Trends on /insights
 (#21787)

---
 packages/features/insights/server/events.ts      | 9 +++++----
 packages/features/insights/server/trpc-router.ts | 3 ++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/packages/features/insights/server/events.ts b/packages/features/insights/server/events.ts
index cc533fa144..b600e52f9c 100644
--- a/packages/features/insights/server/events.ts
+++ b/packages/features/insights/server/events.ts
@@ -80,7 +80,8 @@ class EventsInsights {
     whereConditional: Prisma.BookingTimeStatusDenormalizedWhereInput,
     startDate: Dayjs,
     endDate: Dayjs,
-    dateRanges: DateRange[]
+    dateRanges: DateRange[],
+    timeZone: string
   ): Promise<AggregateResult> => {
     const formattedStartDate = dayjs(startDate).format("YYYY-MM-DD HH:mm:ss");
     const formattedEndDate = dayjs(endDate).format("YYYY-MM-DD HH:mm:ss");
@@ -96,14 +97,14 @@ class EventsInsights {
       }[]
     >`
     SELECT
-      DATE("createdAt") as "date",
+      "date",
       CAST(COUNT(*) AS INTEGER) AS "bookingsCount",
       CAST(COUNT(CASE WHEN "isNoShowGuest" = true THEN 1 END) AS INTEGER) AS "noShowGuests",
       "timeStatus",
       "noShowHost"
     FROM (
       SELECT
-        "createdAt",
+        DATE("createdAt" AT TIME ZONE ${timeZone}) as "date",
         "a"."noShow" AS "isNoShowGuest",
         "timeStatus",
         "noShowHost"
@@ -116,7 +117,7 @@ class EventsInsights {
         AND ${Prisma.raw(whereClause)}
     ) AS bookings
     GROUP BY
-      DATE("createdAt"),
+      "date",
       "timeStatus",
       "noShowHost"
     ORDER BY
diff --git a/packages/features/insights/server/trpc-router.ts b/packages/features/insights/server/trpc-router.ts
index edce11db31..c141550125 100644
--- a/packages/features/insights/server/trpc-router.ts
+++ b/packages/features/insights/server/trpc-router.ts
@@ -489,7 +489,8 @@ export const insightsRouter = router({
       whereConditional,
       dayjs(startDate),
       dayjs(endDate),
-      dateRanges
+      dateRanges,
+      ctx.user.timeZone
     );
 
     const result = dateRanges.map(({ formattedDate }) => {