Khamis, 30 November 2017

PSUEDOCODE
main()
DISPLAY_TRAIN_TICKET
CALL menu()
CALL fare=price()
CALL paymentMethod()
Call display(fare)
END

menu()
SELECT_CHOICE
PROMPT and GET choice
CALL choice = errorchecking(input)
DOWHILE choice<1 OR choice>2
PROMPT and GET input
CALL choice = errorchecking(input)
ENDDO
IF choice==2
CALL exit()
ENDIF
END

price()
CALCULATE_PRICE
REPEAT
REPEAT
PROMPT and GET input
CALL selection_a = errorchecking(input)
CASEOF selection_a
1 : DISPLAY “Departure : Tai Pei”
      Departure = 0
2 : DISPLAY “Departure : Ban Ciao”
      Departure = 40
3 : DISPLAY “Departure : Tao Yuan”
      Departure = 160
4 : DISPLAY “Departure : Hsin Chu”
      Departure = 290
5 : DISPLAY “Departure : Tai Chung”
      Departure = 700
6 : DISPLAY “Departure : Chia Yi”
      Departure = 1080
7 : DISPLAY “Departure : Tai Nan”
      Departure = 1350
8 : DISPLAY “Departure : Zuo Ying”
      Departure = 1490
      OTHER: DISPLAY “Invalid Selection”
ENDCASE
IF selection_a>0 AND selection_a<9
PROMPT and GET exit
ENDIF
UNTIL selection_a>0 OR selection_a<9 OR exit!=0
REPEAT
PROMPT and GET input
CALL selection_b = errorchecking(input)
CASEOF selection_a
1 : DISPLAY “Arrival: Tai Pei”
      Arrival = 0
2 : DISPLAY “Arrival: Ban Ciao”
      Arrival = 40
3 : DISPLAY “Arrival: Tao Yuan”
      Arrival = 160
4 : DISPLAY “Arrival: Hsin Chu”
      Arrival = 290
5 : DISPLAY “Arrival: Tai Chung”
      Arrival = 700
6 : DISPLAY “Arrival: Chia Yi”
      Arrival = 1080
7 : DISPLAY “Arrival: Tai Nan”
      Arrival = 1350
8 : DISPLAY “Arrival: Zuo Ying”
      Arrival = 1490
      OTHER: DISPLAY “Invalid Selection”
ENDCASE
IF selection_b>0 AND selection_b<9
PROMPT and GET exit
ENDIF
UNTIL selection_b>0 OR selection_b<9 OR exit!=0
UNTIL selection_a != selection_b
CALCULATE fare = abs(arrival – departure)
CALL fare = age(fare)
CALL fare = traintype(fare)
CALL time(selection_a , selection_b)
RETURN fare
END

time(int selected_a, int selected_b)
CALCULATE_DURATION
CASEOF selected_a
1 : departure_hour_x = 0
      departure_min_x = 0
      *departureDestination = “Tai Pei”
2 : departure_hour_x = 0
      departure_min_x = 15
      *departureDestination = “Ban Ciao”
3 : departure_hour_x = 0
      departure_min_x = 21
      *departureDestination = “Tao Yuan”
4 : departure_hour_x = 0
      departure_min_x = 33
      *departureDestination = “Hsin Chu”
5 : departure_hour_x = 0
      departure_min_x = 40
      *departureDestination = “Tai Chung”
6 : departure_hour_x = 0
      departure_min_x = 50
      *departureDestination = “Chia Yi”
7 : departure_hour_x = 1
      departure_min_x = 7
      *departureDestination = “Tai Nan”
8 : departure_hour_x = 1
      departure_min_x = 18
      *departureDestination = “Zuo Ying”
ENDCASE
CASEOF selected_a
1 : arrival_hour_x = 0
      arrival_min_x = 0
      *departureDestination = “Tai Pei”
2 : arrival_hour_x = 0
      arrival_min_x = 15
      *arrivalDestination = “Ban Ciao”
3 : arrival_hour_x = 0
      arrival_min_x = 21
      * arrivalDestination = “Tao Yuan”
4 : arrival_hour_x = 0
      arrival_min_x = 33
      * arrivalDestination = “Hsin Chu”
5 : arrival_hour_x = 0
      arriaval _min_x = 40
      * arrivalDestination = “Tai Chung”
6 : arrival_hour_x = 0
      arrival_min_x = 50
      * arrivalDestination = “Chia Yi”
7 : arrival_hour_x = 1
      arrival_min_x = 7
      * arrivalDestination = “Tai Nan”
8 : arrival_hour_x = 1
      arrival_min_x = 18
      * arrivalDestination = “Zuo Ying”
ENDCASE
CALCULATE duration_hour = abs(arrival_hour_x – departure_hour_x)
CALCULATE duration_min = abs(arrival_min_x – departure_min_x)
REPEAT
PROMPT and GET input
CALL selection = errorchecking(input)
CASEOF selection
1 : departure_hour = 8
     departure_min = 30
     DISPLAY “Departure time : 0830 (GMT +8)”
2 : departure_hour = 13
     departure_min = 30
     DISPLAY “Departure time : 1330 (GMT +8)”
3 : departure_hour = 16
     departure_min = 00
     DISPLAY “Departure time : 1600 (GMT +8)”
4 : departure_hour = 20
     departure_min = 30
     DISPLAY “Departure time : 2030 (GMT +8)”
5 : departure_hour = 22
     departure_min = 00
     DISPLAY “Departure time : 2200 (GMT +8)”
     OTHER: DISPLAY “Invalid Input”
ENDCASE
IF selection>0 AND selection<6
PROMPT and GET exit
UNTIL selection>0 OR selection<6 OR exit != 0
CALCULATE arrival_hour = departure_hour + duration_hour
CALCULATE arrival_min = departure_min + duration_min
IF arrival_min>60
CALCULATE arrival_min -60
CALCULATE arrival_hour +1
ENDIF
END

age(float fare)
CALCULATE_AGE
PROMPT and GET input
CALL childrenAge = errorchecking(input)
PROMPT and GET input
CALL adultAge = errorchecking(input)
PROMPT and GET input
CALL seniorAge = errorchecking(input)
CALCULATE discountPrice = (childrenAge*fare*0.8) + (adultAge*fare) + (seniorAge*fare*0.7)
CALCULATE totalpassenger = childrenAge + adultAge + seniorAge
END

traintype(float discountPrice)
SELECT_TRAIN_TYPE
REPEAT
PROMPT and GET input
CALL type = errorchecking(input)
CASEOF type
1 : CALCULATE price1 = discountPrice*2
2 : CALCULATE price1 = discountPrice * 1.5
3 : CALCULATE price1 = discountPrice
    OTHER : DISPLAY “Invalid selection”
UNTIL type>=1 OR type<=3
REPEAT
PROMPT and GET input
CALL trip = errorchecking(input)
CASEOF trip
1 : CALCULATE newprice = price1*2
2 : CALCULATE newprice = price1
    OTHER : DISPLAY “Invalid selection”
ENDCASE
UNTIL trip>=1 OR trip<=2
REPEAT
 PROMPT and GET input
CALL select = errorchecking(input)
CASEOF select
1 : CALCULATE price2 = newprice*0.8
2 : CALCULATE price2 = newprice
    OTHER : DISPLAY “Invalid selection”
ENDCASE
UNTIL select == 1 OR select == 2
RETURN price2
END

paymentMethod()
SELECT_PAYMENT_METHOD
REPEAT
PROMPT and GET input
CALL selection = errorchecking(input)
CASEOF selection
1 : *paymethod = “Paypal”
2 : *paymethod = “Online Banking”
3 : *paymethod = “Credit and Debit Card Payment”
ENDCASE
UNTIL selection<=3 OR selection>=1
END

display(float fare)
DISPLAY_TICKET_SUMMARY
DISPLAY arrivalDestination
DISPLAY departure_hour,departure_min
DISPLAY arrival_hour,arrival_min
DISPLAY fare
DISPLAY paymethod
DO x = 3 TO x <= totalpassenger
DISPLAY x
ENDDO
END

errorchecking(char x[99])
ERROR_CHECKING
CALL returnvalue = atoi(x)
END


SCREENSHOTS

Main Menu

Choose Departure Destination




Choose Arrival Destination


Choose Departure Time


Choose the number of passenger according to the age


Choose Train Type


Choose Trip Type


Seasonal Promotion


Choose Payment Method


Ticket Summary and Provided Seat


Data Validation, if user entered other than 1 and 2, the system should be able to detect the error and allow user to enter the input again.


Data Validation, if the user entered both same departure and arrival destination, the system should able to detect the error and require the user to enter a valid destinations again.



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