feat: orgs trigger alert when loading a calendar and no availability is (#14796)

* Install upstash redis again - base of noficationSender

* Setup email handler etc and use tasker

* Remove logs

* Sending emails and correct format and spacing in emails

* Update email styles

* Update email styles

* add switch to enable feature

* fix: reset tasker types - will fix in new PR

* WIP: test suite

* WIP: test suite

* Add redis service and add WIP mock test

* Add tests for redis service and fix lpush

* More working tests

* More working tests

* fix: type error + typo

* update export to match i18n next mock

* (debug) push for debug

* Fix: fixed hosting in mocks

* Add common.json i18n

* add better test descriptions

* reset mocks after each test to allow concurancy

* Remove redundant RedisService.test.ts

* Rename and remove redundant isAdmin check

* Rename to .d.ts

* Add key versioning to constructRedisKey

* Update packages/trpc/server/routers/viewer/slots/handleNotificationWhenNoSlots.ts

Co-authored-by: Hariom Balhara <hariombalhara@gmail.com>

* Update packages/trpc/server/routers/viewer/slots/handleNotificationWhenNoSlots.ts

Co-authored-by: Hariom Balhara <hariombalhara@gmail.com>

* Add try/catch

* fix breaking when option === undefined

* Add missing await to Promise.all

* Rename data stored in redis to save space

* Include thrown error in logs

---------

Co-authored-by: Hariom Balhara <hariombalhara@gmail.com>
Co-authored-by: Joe Au-Yeung <65426560+joeauyeung@users.noreply.github.com>

apps/web/package.json

@@ -65,6 +65,7 @@
     "@tremor/react": "^2.0.0",
     "@types/turndown": "^5.0.1",
     "@unkey/ratelimit": "^0.1.1",
+    "@upstash/redis": "^1.21.0",
     "@vercel/edge-config": "^0.1.1",
     "@vercel/edge-functions-ui": "^0.2.1",
     "@vercel/og": "^0.5.0",

apps/web/public/static/locales/en/common.json

@@ -2333,6 +2333,13 @@
   "date": "Date",
   "overlaps_with_existing_schedule": "This overlaps with an existing schedule. Please select a different date.",
 
+  "org_admin_no_slots|subject": "No availability found for {{name}}",
+  "org_admin_no_slots|heading": "No availability found for {{name}}",
+  "org_admin_no_slots|content": "Hello Organization Admins,<br /><br />Please note: It has been brought to our attention that {{username}} has not had any availability when a user has visited {{username}}/{{slug}}<br /><br />There’s a few reasons why this could be happening<br />The user does not have any calendars connected<br />Their schedules attached to this event are not enabled<br /> <br />We recommend checking their availability to resolve this.",
+  "org_admin_no_slots|cta": "Open users availability",
+  "organization_no_slots_notification_switch_title": "Get notifications when your team has no availability",
+  "organization_no_slots_notification_switch_description": "Admins will get email notifications when a user tries to book a team member and is faced with 'No availability'. We trigger this email after two occurrences and remind you every 7 days per user.  ",
+
   "email_team_invite|subject|added_to_org": "{{user}} added you to the organization {{team}} on {{appName}}",
   "email_team_invite|subject|invited_to_org": "{{user}} invited you to join the organization {{team}} on {{appName}}",
   "email_team_invite|subject|added_to_subteam": "{{user}} added you to the team {{team}} of organization {{parentTeamName}} on {{appName}}",