Billing system

I have a requirement to develop a system that allow users to create/print bills for customers; to allow users to login and redirect according to roles. Create bills and to print them accordingly. Admin 1: Login screen ; Secure login for both admin & User 2: View all logged in users; Capture time and date for all logged in users 3: View list of bills requested by users 4: Export bills list / datagrid in pdf 5: User Management 6: Log out User 1: Login Screen; On login capture login date/time and login status i.e. online 2: Create Bill; open pop up window for confirmation of bill 3: view registered invoices with search option, sorting and paging in datagrid 4: User settings, user settings(change password, details etc.) 5: log out: on log out create capture time stamp and login status as offline please find below detailed requirement... ## Deliverables Detailed Requirements: 1: User registration screen requires below fields. Only admin can register users ? username ? password (minimum5 characters) ? status (active/inactive) ? name (name of agent) ? date of birth (probably calendar input on form) ? login status (online/offline) ? Login time & duration e.g admin want to restrict each users to login between time to time. One agent might be privileged to login from 8:am to 4: pm similarly other agent allowed to login from 4pm to 12 pm. ? Mac address: restrict users to access only office computers , if they try to access system from other location then system may not allow them to log in ? logged in time ? logged in status Updated by 2: Bill Creation Form contains below fields ? Bill number (system generated number) ? client name (text) ? client cell number (text) ? client social id # (text) ? bill amount (Numeric/Money) ? additional bill charges = bill amount + 20 $ (Numeric/Money) ? account number (text) ? Registered by (logged in user) (text/employee id) ? bill registered date ? other account details (should be a + (sign) on click of + button will enable text screen to enter text , otherwise text box will be hidden ? Note multiple bill payment option is required. E.g. agent might pay more than 1 bill for each client on same page. On same page it will appear in datagrid i.e. bill number, amount, additional amount, account number, date, other ? on submit system should open a pop up window for confirmation/ cancel option 3: User registered bills Users/Admin may view a "grouped" datagrid with below fields Note: Admin may view bill transactions from all users whereas users are restricted to view their own registered bills, Fields are ? Seq. no (index number) ? bill number (text) ? amount to pay (numeric/money) ? additional amount(numeric/money) ? account number (text) ? client name (text) ? bill registered date (date/time) ? Sum of bill amount and additional bill amount in datagrid footer Grouped/Client, parent datagrid should have option for search sorting and paging facility 4: Login Activity (admin only) Admin can view online/offline status of users ? username ? login time ? login status