gergo/weeklyDigestProdConfig (#1072)

* feat(server task scheduler): sketch out core task scheduler implementation

* feat(server weekly activity digests): add function lock duration to the weekly digest execution

* feat(server scheduled tasks): add scheduled tasks type definition, db schema and migration

* feat(server scheduled tasks): add scheduled tasks repository

* feat(server task scheduler): add task scheduler service implementation

* chore(server deps): add mocha type definitions

* refactor(server scheduled tasks): refactor scheduled tasks migration

* refactor(server scheduled tasks): refactor scheduled task db schema and type definitions

* feat(server scheduled tasks): implement db side lock acquire

* refactor(server scheduled tasks): refactor task scheduler with lock on query mechanism

* test(server scheduled tasks): add tests for scheduled tasks implementation

* refactor(server weekly activity digests): refactor to new task scheduler implementation

* feat(server weekly activity digest): switch to a 1000 seconds trigger period for testing purposes

* fix(server task scheduler): fix not catching lock acquire function errors

* feat(server weekly digest): switch weekly digest cron trigger to the prod ready value

packages/server/modules/activitystream/index.ts

@@ -13,11 +13,11 @@ let scheduledTask: cron.ScheduledTask | null = null
 const scheduleWeeklyActivityNotifications = () => {
   // just to test stuff
   // every 1000 seconds
-  const cronExpression = '*/1000 * * * * *'
+  // const cronExpression = '*/1000 * * * * *'
   // at 00 minutest, 10 (am) hours, every month, every year,
   // every 1st day of the week (monday)
   // cheat sheet https://crontab.guru
-  // const cronExpression = '00 13 * * 5'
+  const cronExpression = '00 10 * * 1'
   // configure the number of days, the activities are scraped for
   const numberOfDays = 7
   return scheduleExecution(