From 0b01219b79e2b06800c5ff95956279de8a96e483 Mon Sep 17 00:00:00 2001
From: Keith Williams <keithwillcode@gmail.com>
Date: Thu, 1 Feb 2024 12:24:14 -0300
Subject: [PATCH] perf: Don't process date overrides outside of requested
 boundaries

---
 packages/lib/date-ranges.ts                       | 2 +-
 packages/trpc/server/routers/viewer/slots/util.ts | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/lib/date-ranges.ts b/packages/lib/date-ranges.ts
index fabd7cb5c7f828..d0a486356f1b1b 100644
--- a/packages/lib/date-ranges.ts
+++ b/packages/lib/date-ranges.ts
@@ -106,7 +106,7 @@ export function buildDateRanges({
   );
   const groupedDateOverrides = groupByDate(
     availability.reduce((processed: DateRange[], item) => {
-      if ("date" in item && !!item.date) {
+      if ("date" in item && !!item.date && item.date >= dateFrom && item.date <= dateTo) {
         processed.push(processDateOverride({ item, timeZone }));
       }
       return processed;
diff --git a/packages/trpc/server/routers/viewer/slots/util.ts b/packages/trpc/server/routers/viewer/slots/util.ts
index dadaac65de7d56..8e5dd87cf22e65 100644
--- a/packages/trpc/server/routers/viewer/slots/util.ts
+++ b/packages/trpc/server/routers/viewer/slots/util.ts
@@ -387,7 +387,7 @@ export async function getAvailableSlots({ input, ctx }: GetScheduleOptions) {
   });
 
   /* We get all users working hours and busy slots */
-  const userAvailability = await Promise.all(
+  const allUsersAvailability = await Promise.all(
     usersWithCredentials.map(async (currentUser) => {
       const {
         busy,
@@ -448,15 +448,17 @@ export async function getAvailableSlots({ input, ctx }: GetScheduleOptions) {
   const checkForAvailabilityTime = 0;
   const getSlotsCount = 0;
   const checkForAvailabilityCount = 0;
+  const aggregatedAvailability = getAggregatedAvailability(allUsersAvailability, eventType.schedulingType);
 
   const timeSlots = getSlots({
     inviteeDate: startTime,
     eventLength: input.duration || eventType.length,
     offsetStart: eventType.offsetStart,
-    dateRanges: getAggregatedAvailability(userAvailability, eventType.schedulingType),
+    dateRanges: aggregatedAvailability,
     minimumBookingNotice: eventType.minimumBookingNotice,
     frequency: eventType.slotInterval || input.duration || eventType.length,
-    organizerTimeZone: eventType.timeZone || eventType?.schedule?.timeZone || userAvailability?.[0]?.timeZone,
+    organizerTimeZone:
+      eventType.timeZone || eventType?.schedule?.timeZone || allUsersAvailability?.[0]?.timeZone,
   });
 
   let availableTimeSlots: typeof timeSlots = [];