Information needed from database on back end when the auto generate button is clicked:
[x] For each schedule slot, a list of employees that have been scheduled for the slot for the past X weeks, where X is an integer specified by the user
Notes:
if shift does not exist for entire requested time period, only pull the history available (so no shift history may be pulled)
if weekly history is not available for entire requested time period, only pull from the history available (so no schedule history may be pulled)
Information needed from database on back end when the auto generate button is clicked: