usecase.plantuml

@startuml usecase

Skinparam Style strictuml
left to right direction
Skinparam PackageStyle rectangle

actor Customer

actor KitchenStaff

rectangle "Order System" <<actor>> as os

actor Waiter

rectangle "Reservation System" <<actor>> as rs

rectangle Resturant{
   Customer -- (Manage Reservation)
   KitchenStaff -- (Manage Order)
   os -- (Update Orders)
   (Manage Reservation) <|-down- (Make a reservation)
   (Manage Reservation) <|-down- (Modify a reservation)
   (Manage Reservation) .> (Update Reservations) : <<include>>
   (Update Reservations) -- rs
   (Modify a reservation) .down.> (Change Seat) : <<include>>
   (Modify a reservation) .down.> (Change Order) : <<include>>
   (Modify a reservation) .down.> (Delete Reservation) : <<include>>
   (Modify a reservation) <.. (Display too late to change) : <<extends>>
   (Make a reservation) .down.> (Select table) : <<include>>
   (Select table) .down.> (Enter name and contact) : <<include>>
   (Make a reservation) .down.> (Select order) : <<include>>
   (Select order) .down.> (Browse Menu): <<include>>
   (Select order) .down.> (Special Request): <<include>>
   (Manage Order) <|-- (Mark Order as Done)
   (Manage Order) <|-- (View Orders)
   (Manage Order) .down.> (Update Orders): <<include>>
   (Make a reservation) .> (Make Payment) : <<include>>
   Waiter -left- (Manage Customer Reservation)
   (Manage Customer Reservation) <|-down- (View Customer Reservaion)
   (Manage Customer Reservation) <|-down- (Mark Customer as arrived)
   (Mark Customer as arrived) .down.> (Add Customer Info to Order Database) : <<include>>
   os -- (Add Customer Info to Order Database)
   (Mark Customer as arrived) .up.> (Update Reservation) : <<include>>

}

@enduml