updateOperation.py

#handler for updating todos
def update_handler():
    updatedToDo = dict()
    print('Enter to do id')
    toDoId = input()
    print('Enter name, leave as blank if update not required ')
    name = input()
    if(name != ""):
        updatedToDo["name"] = name
    print('Enter description, leave as blank if update not required ')
    description = input()
    if(description != ""):
        updatedToDo["description"] = description
    print('Enter status, leave as blank if update not required. Valid values ="done","doing","pending"')
    status = input()
    if(input == "done" or input =="doing" or input =="pending" or input == ""):
        updatedToDo["status"] = status
        updateStatus = update_todo(ObjectId(toDoId),updatedToDo)
        if(updateStatus):
            print("Operation Failed")
        else:
            print("Operation Success")
    else:
        print("Invalid status value. Operation terminated")
    show_handler()
#update handler for individual todo
def update_todo(toDoId,updatedToDo):
    try:
        todo.update_one({"_id":toDoId},{"$set":updatedToDo})
        return True
    except:
        return False