class Driver:
"""
Runs phase 2.
"""
def __init__(self, port):
"""
Gets an instance of the DBManager class which provides access to the MongoDB server at the specified port.
:param port: command line argument specifying the port to connect to the MongoDB server at
"""
self.db_manager = DBManager(port)
def run(self):
"""
Runs the start screen where the user can optionally specify a user id then runs the main menu screen from which
all the functionality of the program can be accessed. Closes the MongoDB client represented by the DBManager
instance and clears the shell screen upon exiting.
"""
user_id, report_info = StartScreen(self.db_manager).run()
MainMenu(self.db_manager, user_id, report_info).run()
self.db_manager.close()
clear_screen()
