P5-VendingMachine.st

﻿Object subclass: #Moneda	instanceVariableNames: 'valor'	classVariableNames: ''	poolDictionaries: ''	category: 'VendingMachine-Practica5'!!Moneda methodsFor: 'accessing' stamp: 'ema 5/2/2018 13:01'!valor: anObject	valor := anObject! !!Moneda methodsFor: 'accessing' stamp: 'ema 5/2/2018 13:01'!valor	^ valor! !"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!Moneda class	instanceVariableNames: ''!!Moneda class methodsFor: 'accessing' stamp: 'ema 5/2/2018 13:02'!valor: real	^ self new valor: real! !Object subclass: #VendingMachine	instanceVariableNames: 'stock dineroIngresado cantIngresada vuelto state precioBotella costoCompra'	classVariableNames: ''	poolDictionaries: ''	category: 'VendingMachine-Practica5'!!VendingMachine methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 12:57'!ingresar: unaMoneda	"El cliente ingresa en la máquina una moneda de la denominaciónindicada. Devuelve true cuando alcanzó o superó el costo de lacompra, false en caso contrario."	^ state ingresar: unaMoneda en: self! !!VendingMachine methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 16:01'!calcularVueltoActual	^ dineroIngresado  - costoCompra ! !!VendingMachine methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 13:44'!poseeVuelto	^ self calcularVueltoActual <=  self vuelto! !!VendingMachine methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 13:12'!dineroRestante	^ (cantIngresada * precioBotella ) - dineroIngresado ! !!VendingMachine methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 12:49'!comprar: cantidadDeBotellas	"Define la cantidad de botellas que el cliente desea comprar.Devuelve true si es posible hacer la compra, false casocontrario."	^ state comprar: cantidadDeBotellas con: self.! !!VendingMachine methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 13:48'!confirmarCompra	state confirmarCompraCon: self! !!VendingMachine methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 14:47'!cancelarCompra	state cancelarCompraCon: self! !!VendingMachine methodsFor: 'initialization' stamp: 'ema 5/2/2018 15:33'!initialize	super initialize.	stock :=0.	state := IngresandoCantidadState new.	dineroIngresado := 0.	cantIngresada := 0.	vuelto := 0.	precioBotella := 3.	costoCompra := 99! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!dineroIngresado	^ dineroIngresado! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!state: anObject	state := anObject! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 13:38'!costoCompra	^ costoCompra! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 13:38'!costoCompra: anObject	costoCompra := anObject! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 13:06'!precioBotella	^ precioBotella! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 13:06'!precioBotella: anObject	precioBotella := anObject! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!vuelto	^ vuelto! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:45'!cantIngresada	^ cantIngresada! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!vuelto: anObject	vuelto := anObject! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!stock: anObject	stock := anObject! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!stock	^ stock! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:45'!cantIngresada: anObject	cantIngresada := anObject! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!state	^ state! !!VendingMachine methodsFor: 'accessing' stamp: 'ema 5/2/2018 12:39'!dineroIngresado: anObject	dineroIngresado := anObject! !Object subclass: #VendingMachineState	instanceVariableNames: ''	classVariableNames: ''	poolDictionaries: ''	category: 'VendingMachine-Practica5'!!VendingMachineState methodsFor: 'accessing' stamp: 'ema 5/2/2018 15:27'!ingresar: arg1 en: arg2 	^ self subclassResponsibility! !!VendingMachineState methodsFor: 'accessing' stamp: 'ema 5/2/2018 15:26'!cancelarCompraCon: arg1 	^ self subclassResponsibility! !!VendingMachineState methodsFor: 'accessing' stamp: 'ema 5/2/2018 15:28'!confirmarCompraCon: arg1 	^ self subclassResponsibility! !!VendingMachineState methodsFor: 'accessing' stamp: 'ema 5/2/2018 15:27'!comprar: arg1 con: arg2 	^ self subclassResponsibility! !VendingMachineState subclass: #IngresandoCantidadState	instanceVariableNames: ''	classVariableNames: ''	poolDictionaries: ''	category: 'VendingMachine-Practica5'!!IngresandoCantidadState methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 13:49'!ingresar: unaMoneda en: maquina! !!IngresandoCantidadState methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 14:48'!cancelarCompraCon: maquina	! !!IngresandoCantidadState methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 14:36'!confirmarCompraCon: maquina! !!IngresandoCantidadState methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 13:40'!comprar: cantidadDeBotellas con: maquina	cantidadDeBotellas <= maquina stock		ifTrue: [ maquina cantIngresada: cantidadDeBotellas.			maquina state: IngresandoMonedasState new.			maquina costoCompra: cantidadDeBotellas * maquina precioBotella  .			Transcript show: 'El costo es de $' , maquina costoCompra asString.			^ true ]		ifFalse: [ Transcript show: 'No hay suficiente stock.'.			^ false ]! !VendingMachineState subclass: #IngresandoMonedasState	instanceVariableNames: ''	classVariableNames: ''	poolDictionaries: ''	category: 'VendingMachine-Practica5'!!IngresandoMonedasState methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 14:50'!cancelarCompraCon: maquina	maquina dineroIngresado: 0;	cantIngresada: 0;	state: IngresandoCantidadState new.! !!IngresandoMonedasState methodsFor: 'as yet unclassified' stamp: 'ema 5/2/2018 12:55'!comprar: cantidadDeBotellas con: maquina! !!IngresandoMonedasState methodsFor: 'accessing' stamp: 'ema 5/2/2018 15:40'!ingresar: unaMoneda en: maquina	maquina dineroIngresado: maquina dineroIngresado + unaMoneda valor.	maquina dineroIngresado >= maquina costoCompra		ifTrue: [ Transcript show: 'Confirmar?'.			^ true ]		ifFalse: [ Transcript show: 'Faltan $' , maquina dineroRestante asString.			^ false ]! !!IngresandoMonedasState methodsFor: 'accessing' stamp: 'ema 5/2/2018 15:54'!confirmarCompraCon: maquina	maquina poseeVuelto		ifTrue: [ Transcript				show: 'Transaccion realizada con exito (vuelto $' , maquina calcularVueltoActual asString , ')'.			maquina				stock: maquina stock - maquina cantIngresada;				vuelto: maquina vuelto + maquina costoCompra;				state: IngresandoCantidadState new;				dineroIngresado: 0;				cantIngresada: 0 ]		ifFalse: [ maquina cancelarCompra ]! !