bagged_lunch_script.py

import requests
import os



url = 'http://dining.carleton.ca/locations/fresh-food-company/' # Set destination URL here
#Read all meals from meals.dat abd return a list containing the meals
def read_meals():
	try:
		open('meals.dat', 'x')
	except OSError as e:
		pass
	infile=open('meals.dat', 'r')
	saved_meals=[]
	meal={}
	for line in infile:
		split=line.split()
		if(split[0]=='____'):	
			saved_meals.append(meal)
			meal=dict()
		else:
			meal[split[0]]=' '.join(split[1:len(split)])
	return saved_meals

#Allow user to input a new meal
def add_new_meal():
	new_meal={}
	while(True):
		new_meal['input_6']=input("Breakfast, Lunch, or Dinner? ")
		if(new_meal['input_6']=="Breakfast" or new_meal['input_6']=="Lunch" or new_meal['input_6']=="Dinner"):
			break
		cls()
	new_meal['input_16']=input("Apple Juice, Orange Juice, or Water:")
	if(new_meal['input_6']=="Breakfast"):
		new_meal['input_14']="Bagel with cream cheese"
	else:
		new_meal['input_15']="Piece of fruit(based on seasonal availability)"
		new_meal['input_17']=input("Caesar or Ranch salad dressing:")
		new_meal['input_18']=input("Turkey, Ham, Beef or Custom(May not work):")
		new_meal['input_19']=input("Granola Bar or Pastry Item:")
	new_meal['input_20']=input("Special Requests:")
	cls()
	write_meal(new_meal)

#Never called from console, used to write a new meal to the resource file after it has been added by the user
def write_meal(new_meal):
	try:
		open('meals.dat', 'x')
	except OSError as e:
		pass
	infile=open('meals.dat', 'a')
	for key in new_meal:
		infile.write(key)
		infile.write(" ")
		infile.write(new_meal[key])
		infile.write("\n")
	infile.write("____\n")

#Prints all current meals to the console
def print_meals(meals):
	for meal in meals:
		print("Meal #", meals.index(meal), "(", meal['input_6'], "):")
		for key in meal:
			if(key=='input_20' and meal[key]==''):
				print("No special requests")
			elif(key[:2]=="in" and key != "input_6"):
				print(meal[key])
		print("\n")



#Prompt the user to enter the identifying info required to submit a meal request
def get_info():
	info={}
	info['input_1.3']=input("First Name:")
	info['input_1.6']=input("Last Name:")
	info['input_2']=input("Student Number:")
	info['input_3']=input("Phone Number:")
	info['input_4']=input("Email address:")
	cls()
	return info

#Prompt the user for date and meal number and send the post request to the Fresh Food Company's server
def order_meal(info, meals):
	date={'input_5': input("Date of meal(mm/dd/yyyy):")}
	mealnum=int(input("Which meal would you like(#)"))
	keys={'is_submit_3':'1', 'gform_submit':'3', 'state_3':'WyJbXSIsImQ0NjBmMzhkZDZiMGJmYmI3NDI2NDA0YTZkNTIxNzhkIl0='}
	fields={**meals[mealnum], **date, **info, **keys}
	print(fields)
	r=requests.post(url, data=fields)

#Main, called upon startup
def main():
	cls()
	info=get_info()
	s_meals=read_meals()
	while(True):
		choice=int(input("Press 1 to add a meal, 2 to print current meals, or 3 to order a meal:"))
		cls()
		if(choice==1):
			add_new_meal()
			s_meals=read_meals()
		elif(choice==2):
			print_meals(s_meals)
		elif(choice==3):
			order_meal(info, s_meals)
		else:
			print("Invalid option, please try again")

#Clear the console to improve legibitily
def cls():
	os.system('cls' if os.name=='nt' else 'clear')

main()
#r=requests.post(url, data=post_fields)