ActivityDiagram.plantuml

@startuml Activity Diagram

title __Restaurant Automation System__

|Customer|

start
:Makes\nReservation\nRequest;

|CustomerUI|
:Process\nReservation\nRequest;

|ReservationDatabase|
:Validate\nReservation\nRequest;

|StaffUI|
:Customer Arrives;

|ReservationDatabase|
:Sets Table;

|StaffUI|
:Sets Reservation;
:Sets Table;

|Customer|
:Request\nTable\nChange;

|ReservationDatabase|
if(Is it Possible?) then([Possible])

else ([Not Possible])
:Processing Request;
:Waiting List;
:Request Fulfilled;
endif
:Table Changed;

|Customer|
:Requests Menu;

|Waiter|
:Provides Menu;

|Customer|
:Places Order;
:Makes\nSpecial\nRequests;

|Waiter|
:Enters\nDetailed\nOrder;

|OrderDatabase|
:Provides\nOrder\nDetails;

|KitchenStaff|
:Prepares Order;

|OrderDatabase|
:Order Prepared;

|Waiter|
:Serves\nOrdered\nFood;

|Customer|
:Eats Food;
:Makes Payment;

|Waiter|
:Returns Change;

|Customer|
:Leaves Tip;

|Manager|
:Requests Feedback;

|Customer|
:Gives Feedback;

|Table|
:Requests Clearance;

|StaffUI|
:Cleans Table;

|ReservationDatabase|
:Table Ready\nFor Next\nReservation\nRequest;

stop
@enduml