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functions.py
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functions.py
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from datetime import datetime
NAME_INDEX = 0
COMPANY_INDEX = 1
COLOR_INDEX = 2
QUANTITY_INDEX = 3
PRICE_INDEX = 4
BILLS_PATH = "./bills/"
SHIPPING_PATH = './stocks/'
user_current_details = {}
def welcome():
print("+++++++++++++++++++++++++++++++++++++++++++++++++")
print("\tWelcome to Bike Management System")
print("+++++++++++++++++++++++++++++++++++++++++++++++++")
def list_options():
print("\n")
print("+++++++++++++++++++++++++++++++++++++++++++++++++")
print("1. Order Bikes")
print("2. Add Stock")
print("3. Exit")
print("+++++++++++++++++++++++++++++++++++++++++++++++++")
def add_stock():
display_bikes()
selected_id = 0
while selected_id == 0:
try:
selected_id = int(input("Enter the bike id to add the quantity: "))
except:
print("Please enter valid bike id.")
bike_list = get_bike_list()
selected_bike = bike_list.get(selected_id)
if selected_bike == None:
print("Bike not found! Would you like to add new bike?\n1. Yes \n2. No")
yesno = 0
while yesno < 1 or yesno > 2:
try:
yesno = int(input("Enter the value of option: "))
if yesno > 2:
print("\nPlease enter either 1 or 2!\n")
except:
print("Please enter either 1 or 2!")
if yesno == 1:
add_new_bike()
else:
add_stock()
else:
add_current_stock(selected_id)
def add_current_stock(bike_id):
bike_list = get_bike_list()
bike = bike_list.get(bike_id)
name = bike[NAME_INDEX]
company = bike[COMPANY_INDEX]
color = bike[COLOR_INDEX]
price = bike[PRICE_INDEX]
shipping_name = input("Enter the name of shipping company: ")
shipping_address = input("Enter the address of shipping company: ")
delivery_date = input("Enter the delivery date: ")
bike_quantity = 0
while bike_quantity < 1:
try:
bike_quantity = int(input("Enter the quantity to add: "))
except:
print("\nPlease enter a valid number greater than 0\n")
shipping_cost = 0
while shipping_cost < 0:
try:
shipping_cost = int(input("Enter the shipping cost: "))
except:
print("\nPlease enter valid cost for devliery!")
amount_paid = int(price.replace("$", "")) * bike_quantity
content = f"""Shipping Company: {shipping_name} \nShipping Address: {shipping_address} \nDelivery Date: {delivery_date} \n\nBike Name: {name} \nCompany Name: {company} \nColor: {color} \nQuantity: {bike_quantity} \nPrice: {price} \nAmount paid: ${amount_paid}"""
time_today = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
file_name = SHIPPING_PATH + shipping_name + "_" + time_today + ".txt"
file = open(file_name, "w")
file.write(content)
file.close()
add_bike_stock(bike_id, bike_quantity)
print("\nSuccessfully added the quantity to the stock.")
def add_new_bike():
bike_name = input("Enter the name of bike: ")
company_name = input("Enter the company of bike: ")
bike_color = input("Enter the color of bike: ")
bike_quantity = 0
while bike_quantity < 1:
try:
bike_quantity = int(input("Enter the quantity of the bike: "))
except:
print("\nPlease enter a valid number greater than 0\n")
bike_price = 0
while bike_price < 1:
try:
bike_price = int(input("Enter the price of bike: "))
except:
print("\nPlease enter a valid number greater than 0\n")
print("\nPlease confirm the details of the new bike\n")
print("Bike Name: "+bike_name+"\nCompany Name: "+company_name+"\nColor: "+bike_color+"\nQuantity:"+str(bike_quantity)+"\nPrice: $"+str(bike_price))
print("\nIs is correct?\n1. Yes \n2. No")
yesno = 0
while yesno < 1 or yesno > 2:
try:
yesno = int(input("Enter the value of option: "))
if yesno > 2:
print("\nPlease enter either 1 or 2!\n")
except:
print("\nPlease enter either 1 or 2!\n")
if yesno == 1:
file = open('bike.txt', 'a')
file.write("\n"+bike_name+","+company_name+","+bike_color+","+str(bike_quantity)+",$"+str(bike_price))
file.close()
print("\nSuccessfully added the bike to the stock!")
else:
print("\nPlease enter the details again!\n")
add_new_bike()
def get_user_details():
print("")
name = input("Enter your full name: ")
address = input("Enter your address: ")
email = input("Enter your email: ")
phone = ""
while phone == "":
try:
phone = int(input("Enter your phone number: "))
except:
print("\nPlease enter valid number for phone!\n")
details = {}
details["name"] = name
details["address"] = address
details["phone"] = phone
details["email"] = email
global user_current_details
user_current_details = details
return details
def exit_system():
print("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
print("\tThank you for using Bike Management System")
print("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
def bike_not_found():
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
print("That bike id is not available. Please choose from 1 -", len(get_bike_list()))
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
order_bike()
def purchase_more():
print("\n")
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
print("\tThank you for purchasing")
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
yesno = 0
print("Would you like to purchase more?\n1. Yes \n2. No ")
while yesno < 1 or yesno > 2:
try:
yesno = int(input("Enter the value of option: "))
if yesno > 2:
print("\nPlease enter either 1 or 2!\n")
except:
print("\nPlease enter either 1 or 2!\n")
if yesno == 1:
order_bike()
def create_bill(bike_id, quantity):
bike_list = get_bike_list()
bike = bike_list.get(bike_id)
if user_current_details == {}:
user_details = get_user_details()
else:
user_details = user_current_details
name = user_details.get("name")
address = user_details.get("address")
phone = user_details.get("phone")
email = user_details.get("email")
amount_paid = int(bike[PRICE_INDEX].replace("$", "")) * quantity
bike_name = bike[NAME_INDEX]
company_name = bike[COMPANY_INDEX]
bike_color = bike[COLOR_INDEX]
bike_price = bike[PRICE_INDEX]
date_today = datetime.now().strftime("%Y-%m-%d")
time = datetime.now().strftime("%H:%M:%S")
time_today = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
remove_bike_stock(bike_id, quantity)
file_name = BILLS_PATH + str(phone) + "_" + name + "_"+ time_today +".txt"
file = open(file_name, "w")
content = f"""Name: {name} \nAddress: {address} \nPhone: {phone} \nEmail: {email}\n\nBike Name: {bike_name} \nCompany Name: {company_name} \nColor: {bike_color} \nPrice: {bike_price}\nQuantity purchased: {quantity} \nAmount Paid: ${amount_paid} \nDate: {date_today} \nTime: {time}"""
file.write(content)
file.close()
print("\nYour bill\n")
print(content)
purchase_more()
def add_bike_stock(bike_id, quantity_to_add):
bike_list = get_bike_list()
bike = bike_list.get(bike_id)
new_content = []
read = open("bike.txt", "r")
for line in read:
detail = line.replace("\n", "").split(",")
bike_quantity = int(detail[QUANTITY_INDEX])
if detail[NAME_INDEX] == bike[NAME_INDEX]:
detail[QUANTITY_INDEX] = str(bike_quantity + quantity_to_add)
new_content.append(','.join(detail))
read.close()
file = open("bike.txt", "w")
file.write('\n'.join(new_content))
file.close()
def remove_bike_stock(bike_id, quantity_to_remove):
bike_list = get_bike_list()
bike = bike_list.get(bike_id)
new_content = []
read = open("bike.txt", "r")
for line in read:
detail = line.replace("\n", "").split(",")
bike_quantity = int(detail[QUANTITY_INDEX])
if detail[NAME_INDEX] == bike[NAME_INDEX]:
detail[QUANTITY_INDEX] = str(bike_quantity - quantity_to_remove)
new_content.append(','.join(detail))
read.close()
file = open("bike.txt", "w")
file.write('\n'.join(new_content))
file.close()
def out_of_stock(bike_name):
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
print("\t", bike_name, "is currently out of stock!")
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
def less_stock(name, quantity):
print("\n")
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
print("\tThe quantity you need of", name, "is not available.")
print("\tAvailable Quantity:", quantity)
print("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
def display_bikes():
print("\n")
print("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
print("Bike ID\t\tBike Name\t\tCompany Name\tColor\t\tQuantity \tPrice")
print("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
file = open("bike.txt", "r")
id = 1
for line in file:
print(id, "\t\t"+ line.replace(",", "\t\t"))
id = id + 1
print("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++")
file.close()
def get_bike_list():
file = open("bike.txt", "r")
id = 1
bikes = {}
for line in file:
bikes[id] = line.replace("\n", "").split(",")
id = id + 1
return bikes
def order_bike():
bike_list = get_bike_list()
loop = True
while loop == True:
display_bikes()
print("\n")
bike_id = 0
while bike_id == 0:
try:
bike_id = int(input("Enter the id of the bike you want to purchase: "))
except:
print("Please enter valid number for bike id!")
if bike_id > len(bike_list) or bike_id < 1:
bike_not_found()
else:
validate_quantity(bike_id)
loop = False
def validate_quantity(bike_id):
bike_list = get_bike_list()
bike = bike_list.get(bike_id)
name = bike[NAME_INDEX]
quantity = int(bike[QUANTITY_INDEX])
if quantity > 1:
loop = True
while loop == True:
purchase_quantity = 0
while purchase_quantity == 0:
try:
purchase_quantity = int(input("Enter the quantity you want to purchase: "))
except:
print("\nPlease enter valid number for quantity!\n")
if purchase_quantity > 0:
if quantity >= purchase_quantity:
loop = False
create_bill(bike_id, purchase_quantity)
else:
less_stock(name, quantity)
else:
print("Please enter a valid amount!")
else:
out_of_stock(name)