Removed personal information
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ref-test/admin/models/users.py
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207
ref-test/admin/models/users.py
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from flask import flash, make_response, Response, session
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from flask.helpers import url_for
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from flask.json import jsonify
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from werkzeug.security import generate_password_hash, check_password_hash
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from werkzeug.utils import redirect
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from flask_mail import Message
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import secrets
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from common.security import encrypt, decrypt
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from common.security.database import decrypt_find_one, encrypted_update
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from datetime import datetime, timedelta
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class User:
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def __init__(self, _id=None, username=None, password=None, email=None, remember=False):
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self._id = _id
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self.username = username
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self.email = email
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self.password = password
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self.remember = remember
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def start_session(self, resp:Response):
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from main import app
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resp.set_cookie(
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key = '_id',
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value = self._id,
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max_age = timedelta(days=14) if self.remember else None,
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path = '/',
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expires = datetime.utcnow() + timedelta(days=14) if self.remember else None,
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domain = f'.{app.config["SERVER_NAME"]}',
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secure = True
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)
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if self.remember:
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resp.set_cookie (
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key = 'remember',
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value = 'True',
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max_age = timedelta(days=14),
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path = '/',
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expires = datetime.utcnow() + timedelta(days=14),
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domain = f'.{app.config["SERVER_NAME"]}',
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secure = True
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)
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def register(self):
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from main import db
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from ..views import get_id_from_cookie
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user = {
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'_id': self._id,
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'email': encrypt(self.email),
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'password': generate_password_hash(self.password, method='sha256'),
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'username': encrypt(self.username)
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}
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if decrypt_find_one(db.users, { 'username': self.username }):
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return jsonify({ 'error': f'Username {self.username} is not available.' }), 400
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if db.users.insert_one(user):
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flash(f'User {self.username} has been created successfully. You may now use it to log in and administer the tests.', 'success')
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resp = make_response(jsonify(user), 200)
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if not get_id_from_cookie:
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self.start_session(resp)
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return resp
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return jsonify({ 'error': f'Registration failed. An error occurred.' }), 400
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def login(self):
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from main import db
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user = decrypt_find_one( db.users, { 'username': self.username })
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if not user:
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return jsonify({ 'error': f'Username {self.username} does not exist.' }), 401
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if not check_password_hash( user['password'], self.password ):
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return jsonify({ 'error': f'The password you entered is incorrect.' }), 401
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response = {
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'success': f'Successfully logged in user {self.username}.'
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}
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if 'prev_page' in session:
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response['redirect_to'] = session['prev_page']
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session.pop('prev_page')
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resp = make_response(jsonify(response), 200)
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self._id = user['_id']
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self.start_session(resp)
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return resp
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def logout(self):
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resp = make_response(redirect(url_for('admin_auth.login')))
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from main import app
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resp.set_cookie(
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key = '_id',
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value = '',
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max_age = timedelta(days=-1),
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path = '/',
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expires= datetime.utcnow() + timedelta(days=-1),
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domain = f'.{app.config["SERVER_NAME"]}',
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secure = True
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)
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resp.set_cookie (
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key = 'cookie_consent',
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value = 'True',
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max_age = None,
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path = '/',
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expires = None,
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domain = f'.{app.config["SERVER_NAME"]}',
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secure = True
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)
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resp.set_cookie (
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key = 'remember',
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value = 'True',
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max_age = timedelta(days=-1),
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path = '/',
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expires = datetime.utcnow() + timedelta(days=-1),
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domain = f'.{app.config["SERVER_NAME"]}',
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secure = True
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)
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flash('You have been logged out. All cookies pertaining to your account have been deleted. Have a nice day.', 'alert')
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return resp
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def reset_password(self):
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from main import db, mail
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user = decrypt_find_one(db.users, { 'username': self.username })
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if not user:
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return jsonify({ 'error': f'Username {self.username} does not exist.' }), 401
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if not user['email'] == self.email:
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return jsonify({ 'error': f'The email address {self.email} does not match the user account {self.username}.' }), 401
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new_password = secrets.token_hex(12)
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reset_token = secrets.token_urlsafe(16)
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verification_token = secrets.token_urlsafe(16)
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user['password'] = generate_password_hash(new_password, method='sha256')
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if encrypted_update(db.users, { 'username': self.username }, { '$set': {'password': user['password'], 'reset_token': reset_token, 'verification_token': verification_token } } ):
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flash(f'Your password has been reset. Instructions to recover your account have been sent to {self.email}. Please be sure to check your spam folder in case you have not received the email.', 'alert')
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email = Message(
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subject = 'RefTest | Password Reset',
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recipients = [self.email],
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body = f"""
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Hello {user['username']}, \n\n
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This email was generated because we received a request to reset the password for your administrator account for the SKA RefTest app.\n\n
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If you did not make this request, please ignore this email.\n\n
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If you did make this request, then you have two options to recover your account.\n\n
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For the time being, your password has been reset to the following:\n\n
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{new_password}\n\n
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You may use this to log back in to your account, and subsequently change your password to something more suitable.\n\n
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Alternatively, you may visit the following private link using your unique token to override your password. Copy and paste the following link in a web browser. Please note that this token is only valid once:\n\n
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{url_for('admin_auth.reset_gateway', token1 = reset_token, token2 = verification_token, _external = True)}\n\n
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Have a nice day.
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""",
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html = f"""
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<p>Hello {user['username']},</p>
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<p>This email was generated because we received a request to reset the password for your administrator account for the SKA RefTest app. </p>
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<p>If you did not make this request, please ignore this email.</p>
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<p>If you did make this request, then you have two options to recover your account.</p>
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<p>For the time being, your password has been reset to the following:</p>
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<strong>{new_password}</strong>
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<p>You may use this to log back in to your account, and subsequently change your password to something more suitable.</p>
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<p>Alternatively, you may visit the following private link using your unique token to override your password. Click on the following link, or copy and paste it into a browser. <strong>Please note that this token is only valid once</strong>:</p>
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<p><a href='{url_for('admin_auth.reset_gateway', token1 = reset_token, token2 = verification_token, _external = True)}'>{url_for('admin_auth.reset_gateway', token1 = reset_token, token2 = verification_token, _external = True)}</a></p>
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<p>Have a nice day.</p>
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"""
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)
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mail.send(email)
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return jsonify({ 'success': 'Password reset request has been processed.'}), 200
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def update(self):
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from main import db
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from ..views import get_id_from_cookie
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retrieved_user = decrypt_find_one(db.users, { '_id': self._id })
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if not retrieved_user:
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return jsonify({ 'error': f'User {retrieved_user["username"]} does not exist.' }), 401
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user = {}
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updated = []
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if not self.email == '' and self.email is not None:
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user['email'] = self.email
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updated.append('email')
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if not self.password == '' and self.password is not None:
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user['password'] = generate_password_hash(self.password, method='sha256')
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updated.append('password')
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output = ''
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if len(updated) == 0:
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flash(f'There were no changes requested for your account.', 'alert'), 200
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return jsonify({'success': 'There were no changes requested for your account.'}), 200
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elif len(updated) == 1:
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output = updated[0]
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elif len(updated) == 2:
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output = ' and '.join(updated)
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elif len(updated) > 2:
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output = updated[0]
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for index in range(1,len(updated)):
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if index < len(updated) - 2:
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output = ', '.join([output, updated[index]])
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elif index == len(updated) - 2:
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output = ', and '.join([output, updated[index]])
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else:
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output = ''.join([output, updated[index]])
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encrypted_update(db.users, {'_id': self._id}, { '$set': user })
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if self._id == get_id_from_cookie():
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_output = 'Your '
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elif retrieved_user['username'][-1] == 's':
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_output = '’'.join([retrieved_user['username'], ''])
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else:
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_output = '’'.join([retrieved_user['username'], 's'])
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_output = f'{_output} {output} {"has" if len(updated) == 1 else "have"} been updated.'
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flash(_output)
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return jsonify({'success': _output}), 200
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def delete(self):
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from main import db
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retrieved_user = decrypt_find_one(db.users, { '_id': self._id })
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if not retrieved_user:
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return jsonify({ 'error': f'User does not exist.' }), 401
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db.users.find_one_and_delete({'_id': self._id})
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flash(f'User {retrieved_user["username"]} has been deleted.')
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return jsonify({'success': f'User {retrieved_user["username"]} has been deleted.'}), 200
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