Production Scheduler

Start Date is default to the first date of the previous week.
No. of Weeks is default to 8
Users can change both fields and then update.
The first 2 columns display Opportunities in Commitment or Closed Won statuses but not yet scheduled.
Users can move opportunities to any week.
Total Amount for the week will be updated, and Leftover will be calculated based on Goal - Total Amount.
If Leftover < 0, the header’s color will be changed to orange.
Once an opportunity is scheduled (Production Scheduling Week is filled in), the Opportunity cannot be moved back from Commitment or Closed Won.