Not sure if it was your intention, but your weekly update case will reset every time there is a manual update. I avoid time.After for recurring tasks in a select loop for this reason.

time.Ticker is great if you want to repeat the task at approximately the same interval. time.Timer is what I use when I want the task to repeat a certain time after the previous task has finished. You can also conveniently use timer.Reset(0) to trigger an immediate tick.