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eventPlanningSystem
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'''The Event class has a name, organizer, and description,
and it also has a list of invitees and a menu. The class has
methods to add invitees and view the list of invitees.'''
class Event:
def __init__(self, name, organizer, description):
self.name = name # Assign the parameter "name" to the instance variable "name"
self.organizer = organizer # Assign the parameter "organizer" to the instance variable "organizer"
self.description = description # Assign the parameter "description" to the instance variable "description"
self.invitees = [] # Create an empty list and assign it to the instance variable "invitees"
self.menu = Menu() #Yus need to add comment
self.track_invitee_meals = {} #Yus to add comment
def add_invitee(self, invitee):
self.invitees.append(invitee) # Add the parameter "invitee" to the list stored in the instance variable "invitees"
def view_invitees(self):
for invitee in self.invitees: # Iterate through the list stored in the instance variable "invitees"
print(invitee) # Print each invitee
'''The Invitee class has a name, RSVP status, whether or not
they are bringing a plus one, and any dietary requirements.
The class has a __str__ method that formats the
invitee's information into a human-readable string.'''
class Invitee:
def __init__(self, name, rsvp=False, plus_one=False, dietary_req=None):
self.name = name # Assign the parameter "name" to the instance variable "name"
self.rsvp = rsvp # Assign the parameter "rsvp" to the instance variable "rsvp" with a default value of False
self.plus_one = plus_one # Assign the parameter "plus_one" to the instance variable "plus_one" with a default value of False
self.dietary_req = dietary_req # Assign the parameter "dietary_req" to the instance variable "dietary_req" with a default value of None
def __str__(self):
return f"Name: {self.name}, RSVP: {'Yes' if self.rsvp else 'No'}, Plus One: {'Yes' if self.plus_one else 'No'}, Dietary Requirements: {self.dietary_req}"
'''The Menu class has a dictionary of items, where each
item is a meal and the value is a list of invitees.
The class has methods to add items and view the menu.'''
class Menu:
def __init__(self):
self.items = [] # Create an empty list and assign it to the instance variable "items"
def add_item(self, meal):
self.items.append(meal) # Add the parameter "meal" to the list stored in the instance variable "items"
def view_menu(self):
for meal in self.items:
print(meal)
'''The EventFactory class has methods to create events and invitees.'''
from abc import ABC, abstractmethod
class ICreateFactory(ABC): #An interface for Event Factory. two functions are passed down to the subclass.
@abstractmethod
def create_event():
pass
def create_invitee():
pass
class EventFactory(ICreateFactory):
def create_event(self, name, organizer, description):
return Event(name, organizer, description) # creates and returns an Event object with the given name, organizer, and description.
def create_invitee(self, name, rsvp=False, plus_one=False, dietary_req=None):
return Invitee(name, rsvp, plus_one, dietary_req) # creates and returns an Invitee object with the given name, rsvp, plus_one, and dietary_req.
'''The EventView class has methods to create events,
add invitees, view the list of invitees, add menu items,
and view the menu. The class uses an EventFactory
object to create events and invitees.'''
class EventView:
def __init__(self, event_factory):
self.event_factory = event_factory # Assign the parameter "event_factory" to the instance variable "event_factory"
self.events = [] # Create an empty list and assign it to the instance variable "events"
def create_event(self):
name = input("Enter event name: ") # Prompt the user for input and assign it to the variable "name"
organizer = input("Enter organizer name: ") # Prompt the user for input and assign it to the variable "organizer"
description = input("Enter event description: ") # Prompt the user for input and assign it to the variable "description"
if name.strip() == "" or organizer.strip() == "" or description.strip() == "":
print("Please provide all values. Try Again")
else:
event = self.event_factory.create_event(name, organizer, description) # Create an Event object using the "event_factory" instance variable and the input from the user
self.events.append(event) # Add the newly created event object to the list stored in the "events" instance variable
print(f"Event {name} created successfully!") # Print a message confirming the event has been created
def addPlusOne(self,event_name):
event = next((x for x in self.events if x.name == event_name), None) # Iterate through the list stored in the instance variable "events" and return the first event object whose "name" attribute matches the parameter "event_name" or return None
if event:
name = input("\nEnter Plus one invitee name: ") # Prompt the user for input and assign it to the variable "name"
rsvp = input("Has Plus one invitee RSVPd? (y/n) *Pressing enter to skips will be considered <No>").lower() == "y" # Prompt the user for input, convert it to lowercase, and check if it is equal to "y" and assign the boolean value to "rsvp"
dietary_req = input("Enter invitee dietary requirements: ") # Prompt the user for input and assign it to the variable "dietary_req"
if name.strip() == "" or dietary_req.strip() == "":
print("Please provide all values. Try Again")
else:
invitee = self.event_factory.create_invitee(name, rsvp, False, dietary_req) # Create an Invitee object using the "event_factory" instance variable and the input from the user, with the plus_one attribute set to true
event.add_invitee(invitee) # Add the newly created invitee object to the list of invitees of the event
print(f"Invitee {name} added to event {event_name} as plus One") # Print a message confirming the invitee has been added as plus one
else:
print(f"Event {event_name} not found.") # Print an error message if the event is not found
def add_invitee(self):
event_name = input("Enter event name: ") # Prompt the user for input and assign it to the variable "event_name"
if event_name.strip() == "" :
print("Please provide a proper event name")
else:
event = next((x for x in self.events if x.name == event_name), None) # Iterate through the list stored in the instance variable "events" and return the first event object whose "name" attribute matches the input event_name or return None
if event:
name = input("Enter invitee name: ") # Prompt the user for input and assign it to the variable "name"
rsvp = input("Has invitee RSVPd? (y/n) *Pressing enter to skip will be considered <No>").lower() == "y" # Prompt the user for input, convert it to lowercase, and check if it is equal to "y" and assign the boolean value to "rsvp"
dietary_req = input("Enter invitee dietary requirements: ") # Prompt the user for input and assign it to the variable "dietary_req"
plus_one = input("Is invitee bringing a plus one? (y/n) *Pressing enter to skips will be considered <No> ").lower() == "y" # Prompt the user for input, convert it to lowercase, and check if it is equal to "y" and assign the boolean value to "plus_one"
if name.strip() == "" or dietary_req.strip() == "":
print("Please provide all values")
else:
if plus_one:
self.addPlusOne(event_name) # If the invitee is bringing a plus one, call the addPlusOne method and pass the event_name
invitee = self.event_factory.create_invitee(name, rsvp, plus_one, dietary_req) # Create an Invitee object using the "event_factory" instance variable and the input from the user
event.add_invitee(invitee) # Add the newly created invitee object to the list of invitees of the event
print(f"Invitee {name} added to event {event_name}") # Print a message confirming the invitee has been added
else:
print(f"Event {event_name} not found.") # Print an error message if the event is not found
def view_invitees(self):
event_name = input("Enter event name: ") # Prompt the user for input and assign it to the variable "event_name"
if event_name.strip() == "" :
print("Please provide a proper event name")
else:
event = next((x for x in self.events if x.name == event_name), None) # Iterate through the list stored in the instance variable "events" and return the first event object whose "name" attribute matches the input event_name or return None
if event:
event.view_invitees() # call the view_invitees method on the event object
else:
print(f"Event {event_name} not found.") # Print an error message if the event is not found
def add_menu_item(self):
event_name = input("Enter event name: ") # Prompt the user for input and assign it to the variable "event_name"
if event_name.strip() == "" :
print("Please provide a proper event name")
else:
event = next((x for x in self.events if x.name == event_name), None)
if event:
meal = input("Enter meal name: ") # Prompt the user for input and assign it to the variable "meal"
if meal.strip() == "":
print("Please provide a proper meal name")
else:
event.menu.add_item(meal)
print(f"Meal {meal} added to event {event_name}") # Print a message confirming the meal has been added
else:
print(f"Event {event_name} not found.") # Print an error message if the event is not found
def view_menu(self):
event_name = input("Enter event name: ") # Prompt the user for input and assign it to the variable "event_name"
if event_name.strip() == "" :
print("Please provide a proper event name")
else:
event = next((x for x in self.events if x.name == event_name), None) #needs commenting
if event:
event.menu.view_menu()
else:
print(f"Event {event_name} not found.") # Print an error message if the event is not found
def search_invitee(self):
invitee_name = input("Enter invitee name: ") # Prompt the user for input and assign it to the variable "invitee_name"
if invitee_name.strip() == "":
print("Please provide a proper name")
else:
for event in self.events: # Iterate through the list stored in the instance variable "events"
invitee = next((x for x in event.invitees if x.name == invitee_name), None) # Iterate through the list of invitees of the event and return the first invitee object whose "name" attribute matches the input invitee_name or return None
if invitee:
print(f"Invitee {invitee_name} found in event {event.name}") # Print a message with the event name where the invitee is found
print(f"RSVP: {invitee.rsvp}") # Print the invitee RSVP status
print(f"Plus One: {invitee.plus_one}") # Print the invitee plus one status
print(f"Dietary Requirements: {invitee.dietary_req}") # Print the invitee dietary requirements
return
print(f"Invitee {invitee_name} not found.") # Print an error message if the invitee is not found
def view_events(self):
for event in self.events:
print(event.name) #Print out all the events stored in self.events.
def select_menu(self):
event_name = input("Enter event name: ") # Prompt the user for input and assign it to the variable "event_name"
if event_name.strip() == "":
print("Please provide a event name")
else:
event = next((x for x in self.events if x.name == event_name), None)
if event:
invitee_name = input("Enter your name : ") #If the event exists, prompt the user for input and assign it to the variable "invitee_name"
if invitee_name.strip() == "":
print("Provide a proper name")
else:
for event in self.events:
invitee = next((x for x in event.invitees if x.name == invitee_name), None)
if invitee: #If the event exists in the list of events and if the list of invitee contains the variable invitee_name, start the while loop.
while True : #The while loop will not end unless something returns False
if len(event.menu.items) > 0 : #If the length of an item list is more than 0, continue.
meal_name = input("What are you having? : ") #Prompt the user for input and assign it to the variable meal_name
if meal_name in event.menu.items and meal_name.strip() != "": #If the given meal_name from the invitee is in the menu, order is successful and the invitee_name and the ordered meal get stored.
event.track_invitee_meals[invitee_name] = meal_name
print("Ordered Successfully")
return False
else:
print(f"{meal_name} not found. try again.")
return True
else:
print("Add menu before selecting menu.")
return False
else :
print(f"{invitee_name} is not in the invitee_list")
else:
print(f"Event {event_name} not found.")
def track_meals(self):
event_name = input("Enter event name: ") #Prompt the user for input and assign it to the variable event_name
if event_name.strip() == "":
print("Please provide a event name")
else:
event = next((x for x in self.events if x.name == event_name), None)
if event: #If the event exists, Go through the dictionary of track_invitee_meals using for loop.
for invitee, meal in event.track_invitee_meals.items():
print(f"{invitee}: {meal}") #Print out the result of track_invitee_meals
else:
print(f"Event {event_name} not found.")
def main():
# Create an instance of the EventFactory class
event_factory = EventFactory()
# Create an instance of the EventView class, passing in the event_factory object
event_view = EventView(event_factory)
# Run a loop to display menu options to the user
while True:
print("1. Create Event")
print("2. Add Invitee")
print("3. View Invitees")
print("4. Add Menu Item")
print("5. View Menu")
print("6. Select menu")
print("7. Search Invitee")
print("8. View events")
print("9. Track meals")
print("10. Exit")
# Get the user's choice of menu option
choice = input("Enter your choice: ")
# Check the user's choice and call the corresponding method from the event_view object
if choice == "1":
event_view.create_event()
elif choice == "2":
event_view.add_invitee()
elif choice == "3":
event_view.view_invitees()
elif choice == "4":
event_view.add_menu_item()
elif choice == "5":
event_view.view_menu()
elif choice == "6":
event_view.select_menu()
elif choice == "7":
event_view.search_invitee()
elif choice == "8":
event_view.view_events()
elif choice == "9":
event_view.track_meals()
elif choice == "10":
# Exit the loop if the user chooses the "Exit" option
break
else:
print("Pick a number from above !!!!")
if __name__ == "__main__":
# Check if the script is being run as the main program
# If so, call the main() function
main()
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