chore: redis cache for calendars in api v2 (#23622)

* chore: implement redis cache for calendars api v2

* fixup! chore: implement redis cache for calendars api v2

* fixup! fixup! chore: implement redis cache for calendars api v2

* fix leverage genetic type of redis.get

* refactor: address supalarry's PR feedback

- Create CalendarsCacheService to separate cache responsibilities
- Rename cache methods to be more descriptive (getConnectedAndDestinationCalendarsCache, setConnectedAndDestinationCalendarsCache)
- Remove unused redisService injection from CalendarsController
- Move all cache-related functionality to dedicated service

Addresses comments 9, 10, and 11 from supalarry on PR #23622

Co-Authored-By: morgan@cal.com <morgan@cal.com>

* refactor: address supalarry's latest PR feedback

- Remove redundant deleteConnectedAndDestinationCalendarsCache from CalendarsService
- Update controller to directly inject and use CalendarsCacheService
- Extract TTL constant and remove manual JSON.stringify in cache service

Co-Authored-By: morgan@cal.com <morgan@cal.com>

* fix: update IcsFeedService to use CalendarsCacheService directly

- Inject CalendarsCacheService into IcsFeedService constructor
- Replace calendarsService.deleteCalendarCache with calendarsCacheService.deleteConnectedAndDestinationCalendarsCache
- Completes the refactoring to eliminate all old cache method references

Co-Authored-By: morgan@cal.com <morgan@cal.com>

* fix: update destination-calendars and selected-calendars services to use CalendarsCacheService directly

- Inject CalendarsCacheService in both service constructors
- Replace calendarsService.deleteCalendarCache calls with calendarsCacheService.deleteConnectedAndDestinationCalendarsCache
- Add CalendarsCacheService to module providers for proper dependency injection
- Completes migration of all cache method references to use dedicated cache service

Co-Authored-By: morgan@cal.com <morgan@cal.com>

* chore: use CalendarsCacheService

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

apps/api/v2/src/modules/cal-unified-calendars/cal-unified-calendars.module.ts

@@ -1,5 +1,6 @@
 import { BookingReferencesRepository_2024_08_13 } from "@/ee/bookings/2024-08-13/booking-references.repository";
 import { CalendarsRepository } from "@/ee/calendars/calendars.repository";
+import { CalendarsCacheService } from "@/ee/calendars/services/calendars-cache.service";
 import { CalendarsService } from "@/ee/calendars/services/calendars.service";
 import { GoogleCalendarService as GCalService } from "@/ee/calendars/services/gcal.service";
 import { AppsRepository } from "@/modules/apps/apps.repository";
@@ -8,13 +9,14 @@ import { GoogleCalendarService } from "@/modules/cal-unified-calendars/services/
 import { CredentialsRepository } from "@/modules/credentials/credentials.repository";
 import { PrismaReadService } from "@/modules/prisma/prisma-read.service";
 import { PrismaWriteService } from "@/modules/prisma/prisma-write.service";
+import { RedisModule } from "@/modules/redis/redis.module";
 import { SelectedCalendarsRepository } from "@/modules/selected-calendars/selected-calendars.repository";
 import { TokensModule } from "@/modules/tokens/tokens.module";
 import { UsersRepository } from "@/modules/users/users.repository";
 import { Module } from "@nestjs/common";
 
 @Module({
-  imports: [TokensModule],
+  imports: [TokensModule, RedisModule],
   providers: [
     GCalService,
     GoogleCalendarService,
@@ -22,6 +24,7 @@ import { Module } from "@nestjs/common";
     BookingReferencesRepository_2024_08_13,
     CredentialsRepository,
     CalendarsService,
+    CalendarsCacheService,
     SelectedCalendarsRepository,
     PrismaReadService,
     PrismaWriteService,

apps/api/v2/src/modules/destination-calendars/destination-calendars.module.ts

@@ -1,4 +1,5 @@
 import { CalendarsRepository } from "@/ee/calendars/calendars.repository";
+import { CalendarsCacheService } from "@/ee/calendars/services/calendars-cache.service";
 import { CalendarsService } from "@/ee/calendars/services/calendars.service";
 import { AppsRepository } from "@/modules/apps/apps.repository";
 import { CredentialsRepository } from "@/modules/credentials/credentials.repository";
@@ -6,15 +7,17 @@ import { DestinationCalendarsController } from "@/modules/destination-calendars/
 import { DestinationCalendarsRepository } from "@/modules/destination-calendars/destination-calendars.repository";
 import { DestinationCalendarsService } from "@/modules/destination-calendars/services/destination-calendars.service";
 import { PrismaModule } from "@/modules/prisma/prisma.module";
+import { RedisModule } from "@/modules/redis/redis.module";
 import { SelectedCalendarsRepository } from "@/modules/selected-calendars/selected-calendars.repository";
 import { UsersRepository } from "@/modules/users/users.repository";
 import { Module } from "@nestjs/common";
 
 @Module({
-  imports: [PrismaModule],
+  imports: [PrismaModule, RedisModule],
   providers: [
     CalendarsRepository,
     CalendarsService,
+    CalendarsCacheService,
     DestinationCalendarsService,
     DestinationCalendarsRepository,
     UsersRepository,

apps/api/v2/src/modules/destination-calendars/services/destination-calendars.service.ts

@@ -1,4 +1,5 @@
 import { ConnectedCalendar, Calendar } from "@/ee/calendars/outputs/connected-calendars.output";
+import { CalendarsCacheService } from "@/ee/calendars/services/calendars-cache.service";
 import { CalendarsService } from "@/ee/calendars/services/calendars.service";
 import { DestinationCalendarsRepository } from "@/modules/destination-calendars/destination-calendars.repository";
 import { Injectable, NotFoundException } from "@nestjs/common";
@@ -7,6 +8,7 @@ import { Injectable, NotFoundException } from "@nestjs/common";
 export class DestinationCalendarsService {
   constructor(
     private readonly calendarsService: CalendarsService,
+    private readonly calendarsCacheService: CalendarsCacheService,
     private readonly destinationCalendarsRepository: DestinationCalendarsRepository
   ) {}
 
@@ -60,6 +62,7 @@ export class DestinationCalendarsService {
       delegatedCalendar ? delegationCredentialId : undefined
     );
 
+    this.calendarsCacheService.deleteConnectedAndDestinationCalendarsCache(userId);
     return {
       userId: updatedCalendarUserId,
       integration: updatedCalendarIntegration,

apps/api/v2/src/modules/oauth-clients/oauth-client.module.ts

@@ -1,4 +1,5 @@
 import { CalendarsRepository } from "@/ee/calendars/calendars.repository";
+import { CalendarsCacheService } from "@/ee/calendars/services/calendars-cache.service";
 import { CalendarsService } from "@/ee/calendars/services/calendars.service";
 import { EventTypesModule_2024_04_15 } from "@/ee/event-types/event-types_2024_04_15/event-types.module";
 import { SchedulesModule_2024_04_15 } from "@/ee/schedules/schedules_2024_04_15/schedules.module";
@@ -49,6 +50,7 @@ import { JwtService } from "@nestjs/jwt";
     TokensRepository,
     OAuthFlowService,
     CalendarsService,
+    CalendarsCacheService,
     CredentialsRepository,
     AppsRepository,
     CalendarsRepository,

apps/api/v2/src/modules/selected-calendars/selected-calendars.module.ts

@@ -1,4 +1,5 @@
 import { CalendarsRepository } from "@/ee/calendars/calendars.repository";
+import { CalendarsCacheService } from "@/ee/calendars/services/calendars-cache.service";
 import { CalendarsService } from "@/ee/calendars/services/calendars.service";
 import { AppsRepository } from "@/modules/apps/apps.repository";
 import { CredentialsRepository } from "@/modules/credentials/credentials.repository";
@@ -7,6 +8,7 @@ import { OrganizationsMembershipRepository } from "@/modules/organizations/membe
 import { OrganizationsMembershipOutputService } from "@/modules/organizations/memberships/services/organizations-membership-output.service";
 import { OrganizationsMembershipService } from "@/modules/organizations/memberships/services/organizations-membership.service";
 import { PrismaModule } from "@/modules/prisma/prisma.module";
+import { RedisModule } from "@/modules/redis/redis.module";
 import { SelectedCalendarsController } from "@/modules/selected-calendars/controllers/selected-calendars.controller";
 import { SelectedCalendarsRepository } from "@/modules/selected-calendars/selected-calendars.repository";
 import { SelectedCalendarsService } from "@/modules/selected-calendars/services/selected-calendars.service";
@@ -14,11 +16,12 @@ import { UsersRepository } from "@/modules/users/users.repository";
 import { Module } from "@nestjs/common";
 
 @Module({
-  imports: [PrismaModule],
+  imports: [PrismaModule, RedisModule],
   providers: [
     SelectedCalendarsRepository,
     CalendarsRepository,
     CalendarsService,
+    CalendarsCacheService,
     UsersRepository,
     CredentialsRepository,
     AppsRepository,

apps/api/v2/src/modules/selected-calendars/services/selected-calendars.service.ts

@@ -1,3 +1,4 @@
+import { CalendarsCacheService } from "@/ee/calendars/services/calendars-cache.service";
 import { CalendarsService } from "@/ee/calendars/services/calendars.service";
 import { OrganizationsDelegationCredentialRepository } from "@/modules/organizations/delegation-credentials/organizations-delegation-credential.repository";
 import { OrganizationsMembershipService } from "@/modules/organizations/memberships/services/organizations-membership.service";
@@ -23,6 +24,7 @@ type SelectedCalendarsInputDelegationCredential = SelectedCalendarsInputDto & {
 export class SelectedCalendarsService {
   constructor(
     private readonly calendarsService: CalendarsService,
+    private readonly calendarsCacheService: CalendarsCacheService,
     private readonly selectedCalendarsRepository: SelectedCalendarsRepository,
     private readonly organizationsMembershipService: OrganizationsMembershipService,
     private readonly organizationsDelegationCredentialRepository: OrganizationsDelegationCredentialRepository
@@ -50,6 +52,8 @@ export class SelectedCalendarsService {
       credentialId
     );
 
+    await this.calendarsCacheService.deleteConnectedAndDestinationCalendarsCache(user.id);
+
     return userSelectedCalendar;
   }
 
@@ -122,7 +126,7 @@ export class SelectedCalendarsService {
         externalId,
         delegationCredentialId
       );
-
+      await this.calendarsCacheService.deleteConnectedAndDestinationCalendarsCache(user.id);
       return removedCalendarEntry;
     } catch (error) {
       if (error instanceof Error) {