simple location scheduling - using mvc php/mysql/codeigniter

create webbased scheduler screens to manipulate either a current or future schedule. maintain history of past hours logged. for multiple locations (can only view/edit one at a time). Use 3 existing tables 1) location 2) employee (can belong to one location) - includes hourly rate 3) person (can be an employee) create new tables 1) shifts (with start and end time eg 9am-5pm) 2) weekly schedule (sunday through saturday have unique entries) - including future week capability 3) schedule history User should be able to print out a weekly schedule for one location on one page (or export to Excel/PDF if that is easier) Must use codeigniter. please provide samples of easy to use user interface Concept is based on Microsoft Excel sample provided in attachment.