classdiagram.plantuml

@startuml classdiagram

Skinparam Style strictuml
Skinparam PackageStyle rectangle
skinparam handwritten true

class CustomerUI
{
    +string Name
    +int PhoneNumber
    -Place Order()
    -Payment()
}

class RMS
{
    -confirmOrder()
    -addBooking()
    -getStaff()
}

class StaffUI
{
    -selectWaiter()
    -selectChef()
}

class Staff
{
    +string Name
    +int Id
    +string jobType
    +int NumOfCustomers
}

class Waiter
{
    -ServesFood()
    -TakesFeedback()
}

class Chef
{
    -MarkEstimatedTime()
}

CustomerUI "*" -- "1" RMS: Interacts
StaffUI "*" -- "1" RMS: Interacts
Booking "*" -- "1" RMS: Interacts
StaffUI "*" -- "*" Staff: Accesses
Report "*" -- "1" Manager: Supervises
Report "*" -- "1" RMS: Generates
note "{One Staff Member must not work upon more than 3 customers}" as N1
StaffUI .. N1
N1 .. Staff

Staff <|-- Waiter
Staff <|-- Chef
Waiter <|-- Manager

class Booking
{
    +int BookingId
    +string Type
    +boolean DineIn
    +string date
    +int time
    +int numPersons
    -setBooking()
    -viewBooking()
    -getPrice()
}

Table "1..*" -- "1" Booking: SetsReservation

class Table
{
    +int tableNumber
    +int numberofSeats
    +boolean Occupied
    +string SpecialRequest
    -setOccupied()
    -getOccupied()
    -setSpecialRequest()
}

class Manager
{
    -requestsFeedback()
    -OverviewsReports()
}

class Report
{
    +int BillNo.
    +boolean Served
}

@enduml