CarPark-Project

"""
Author: Mehrad Mahmoudian
Date: 17-Jan-2013

A simple assignment
"""
class CarPark:
    def __init__(self, room, reserved): # Constructor
        if reserved > room :
            print "number of reserved parkings should not be more than total space"
            print "please start over"
        self.reserve = reserved
        self.space = room - reserved # check whether the typed the input correctly
        self.nbrOfCars = 0
        self.reservDict = {}
        #for i in range(0,self.reserve): # creating empty dictionary with specific amount
        #    self.reservDict[i] = ''
        #    print i
        print "parking created successfully !\n"


    def reservation(self,plate_number) : # for assigning a car to an empty reserved place
        if self.search_among_reserved(plate_number) == True : # check if there is already a parking reserved for this car
            print "there is already a reserved parking for this car"
        if len(self.reservDict) >= self.reserve : # check if there is empty reservable space left.
            print "sorry, no more reserved space left !"
        else:
            self.reservDict[plate_number] = False   # set the plate number as key because of the dict.has_key(key) and False means it's not filled yet
            print 'reservation for "' + plate_number + '" is done.'


    def parkOneCar(self, plate_number):   # Method for parking a car
        if self.search_among_reserved(plate_number):
            if self.reservDict[plate_number] == False :
                self.reservDict[plate_number] = True
                print '"'+plate_number+'" parked in reserved parking.'
            else:
                print "There is a car parked with the same plate !!\n Check your input again."
        else:
            if self.nbrOfCars < self.space:
                self.nbrOfCars = self.nbrOfCars + 1
                print "car is parked"
            else:
                print "No room for new car. Drive out some cars first."


    def driveOutOneCar(self, plate_number):   # Method for parking a car
        if self.search_among_reserved(plate_number):
            if self.reservDict[plate_number] == True :
                self.reservDict[plate_number] = False
                print '"'+plate_number+'" drived out.'
            else:
                print "There is no car with such plate number !!\n Check your input again."
        else:
            if self.nbrOfCars > 0:
               self.nbrOfCars = self.nbrOfCars - 1
            else:
               print "No cars to drive out !"


    def search_among_reserved(self, plate_number):  # Method to search in reserved dictionary
        if plate_number == '':
            print "Please enter the plate number properly."
        else:
            return self.reservDict.has_key(plate_number)

    def parking_status(self):
        print "Number of free normal parking lots:", self.space - self.nbrOfCars ,"/", self.space
        print "Number of reservable parkings:", self.reserve - len(self.reservDict) ,"/", self.reserve

        reserved_car_counter = 0
        for i in self.reservDict :
            if self.reservDict[i] == True :
                reserved_car_counter += 1
        
        print "Number of filled reserved parkings:", reserved_car_counter ,"/", len(self.reservDict)
        


#----------------------------------------------

def get_command():
    operator_command = raw_input("\nwhat do you want to do?\n Type (not case sensitive):\n   [Reserve],  [Drive in], [Drive out], [Status], [Quit]\n> ")

    if operator_command.lower() == "reserve" :
        input_plate = raw_input("please type the plate number for reservation:\n> ")
        my_parking.reservation(input_plate)
        get_command();
        
    elif operator_command.lower() == "drive in" :
        input_plate = raw_input("please type the plate number to park:\n> ")
        my_parking.parkOneCar(input_plate)
        get_command();
        
    elif operator_command.lower() == "drive out" :
        input_plate = raw_input("please type the plate number to drive out:\n> ")
        my_parking.driveOutOneCar(input_plate)
        get_command();

    elif operator_command.lower() == "status" :
        my_parking.parking_status()
        get_command();
        
    elif operator_command.lower() == "quit" :
        print "Goodbye !"

    else:
        print "invalid input\n\n> ";
        get_command();



num_total_space = input('Please type the total parking space:\n')
num_reserve_space= input('Please type the total reserve space:\n')
my_parking = CarPark(num_total_space, num_reserve_space)
print "---------------[ Configuration Done ! ]---------------\n\n"

get_command()