Web application for vehicle workshop

Need small web application to manage small vehicle repair workshop Should have following features Front end Appointment - Make appointment-user picks available booking Other information pages—content management (with comment—with approval) Simple photo-gallery Service Quotation Management (email quotation or based on pre fill service price) Promotions Backend Dashboard (search, today’s appointment, task completed) Appointment management---accept-assign, add new(based on available) ,calendar form [Email] Parts (simple inventory management-how many left-when used) Pre-defined Services with Price Employee Info-mechanic (who has done the job) Billing invoice creation-pdf, email discount-tax Reports –on different available parameters (how many servicing, parts, date, receivables etc.) Customer management customer profile (history)—attach docs Auto email- Sms about their next service day[Dynamic] Promotion newsletters Flexible search customer can login and check their history-book appointment(social login as well) Order-Work Services done, status, price, time required (ability to select or enter price) pay type invoice quick work invoice---not attached to customer or vehicle option to pay using PayPal Testimonial management (from customer profile/site/admin enter) Professional Looking responsive frontend(site) and backend User friendly and easy to use Different level of user –root admin, editor, mechanic (can login and see job assign to him) Basically for cars I can provide rough ER diagram (if needed) Design and code Preferably: cakephp or codeignitor or Laravel Based on plugin system so that it is easy to upgrade Sound web application architecture or model Clean code---Proper commenting and coding notes --- Easy to extend—error free Each entity should allow adding custom field(for e.g. customer, vehicle, invoice) Must deliver on deadline—periodic update Please read before bidding and feel free to ask for any clarification