Using Python, $9\mathrm{.}3$ Wk $4$ Milestone $2($Part$3-$ FoodVendor operations$)$

In this final part of Milestone $2,$ the FoodVendor class created in Milestone $1$ is extended to include operations between the users and the database. You can use your most recently submitted version of DbManager.py$,$ Users.py$,$ and FoodVendor.py to complete this lab. Alternatively, copy and paste all the attributes and instance methods created in your most recent submissions to the new template files provided here.

To include the new operations, FoodVendor.py has the following extra specifications:

Instance methods

admin$\_$login$()$

Prompt the user to input username and password.

Prompt the user to re$-$enter username and password if the username does not exist, the user is a customer, or incorrect password.

User has a maximum of $3$ attempts to login$.$ Program will exit after $3$ failed attempts.

Return an Admin object after successful login$.$

Ex$.$ of output from admin$\_$login$()$ after $3$ failed login attempts:

Please enter your username: abcdefg

Please enter password: $1234567$

Admin account not found or password mismatch! Please check your username and password.

Please enter your username: gwarner$653$

Please enter your password: zJk@rAvu$4$a

Admin account not found or password mismatch! Please check your username and password.

Please enter your username: rebradshaw$835$

Please enter your password: $1234567$

You have reached the maximum number of login attempts. Goodbye!

update$\_$admin$\_$profile$($user$)$

Output current user profile: phone number and email address.

Prompt the user to input new phone number and email address.

Update user object and database.

Ex$.$ of update$\_$admin$\_$profile$()$ output:

Current user profile for rebradshaw$835$:

Phone number: $1310203767$

Email address: rebradshaw@mail.com

Please enter the new phone number $($no space or dash$)$: $2345671234$

Please enter the new email address: new$\_$email@email.com

customer$\_$login$()$

Prompt the user to input username and password.

Prompt the user to re$-$enter username and password if the username does not exist, the user is an admin user, or incorrect password.

User has a maximum of $3$ attempts to login$.$ Program will exit after $3$ failed attempts.

Return a Customer object after successful login$.$

Ex$.$ of customer$\_$login$()$ output:

Please enter your username: gwarner$653$

Please enter your password: zJk@rAvu$4$a

updatecustomerprofile$($user$)$

Output current user profile: credit card number, expiration date, billing address, phone number and email address.

Prompt the user to input new credit card number, expiration date, billing address, phone number and email address.

Update user object and database.

Ex$.$ of update$\_$customer$\_$profile$()$ output:

Current user profile for gwarner$653$:

Credit card number: $4562581857428221$

Expiration date: $0722$

Billing address: $226$ Panda St$,$ Happy Town, HC $59999$

Phone number: $1640245578$

Email address: gwarner@mail.com

Please enter the new credit card number $($no space or dash$)$: $1111222233334444$

Please enter the new expiration date $($MMYY$)$: $0525$

Please enter the new billing address: $123$ Happy St$,$ Happy Town, HH $12345$

Please enter the new phone number $($no space or dash$)$: $2223334444$

Please enter the new email address: gwarner@mail.com

create$\_$account$()$

Prompt the user to input username of the new account. Verify if the username is available.

Prompt the user to choose account type.

Prompt the user to input user profile according to account type.

Update database.

Ex$.$ of create$\_$account$()$ output:

Please enter the username of the new account: gwarner$653$

gwarner$653$ is not available, please chosse a different username: Guest

Guest is not available, please chosse a different username: aaopp$55699$

Please enter new password: $1234567$

Is this a customer account $($Y$/$N$)?$ N

Please enter first name: Aaron

Please enter last name: Opportunity

Please enter email address: arron@opportunity.net

Please enter phone number: $4105209630$

Please enter employee ID: FV$1005$

delete$\_$account$($user$)$

Prompt the user to input username of account to be deleted.

Confirm with user about deleting account.

Update database.

Only existing account can be deleted.

A user cannot delete his$/$her own account.

Ex$.$ of delete$\_$account$()$ output:

Please enter the username of the account to be deleted: gwarner$653$

Account of gwarner$653$ will be removed. Are you sure $($Y$/$N$)?$ Y

Account of gwarner$653$ removed.

Modify the main method in FoodVendor.py to test the program. See examples in the template file.

$534780\mathrm{.}3348916.$qx$3$zqy$7$

LAB ACTIVITY

$9\mathrm{.}3\mathrm{.}1$: Wk $4$ Milestone $2($Part$3-$ FoodVendor operations$)$

$0/5$

Downloadable files

FoodVendor.py

$,$

DbManager.py

$,$

Users.py

$,$

user.tsv

$,$ and

import sqlite$3,$ os

from sqlite$3$ import Error

from os import path

from DbManager import DbManager

from Users import User, Admin, Customer

class FoodVendor:

# TODO: copy and paste instance method initialize$()$ created from Part $1$ of Milestone $1$ here.

# Part $3$ of Milestone $2$

def admin$\_$login$($self$)$:

# TODO: impletement your instance method here.

def update$\_$admin$\_$profilmenu.tsv