def delete():
# reading the id to be deleted from request
username = request.form['delete_user']
# getting the db connection and
# deleting the user
db = get_db()
db.execute('DELETE FROM users WHERE username = ?', (username,))
db.commit()
return redirect(url_for('admin.index'))
def load_logged_in_user():
""" loading the user details if the user is logged"""
user_id = session.get('user_id')
if not user_id:
g.user = None
else:
g.user = get_db().execute('SELECT * FROM users WHERE id = ?',
(user_id, )).fetchone()
def index():
db = get_db()
if g.user is None:
return redirect(url_for('auth.login'))
else:
users = db.execute(
'SELECT id, username FROM users'
).fetchall()
return render_template('home/index.html', users=users)
def register():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
if db.execute('SELECT id FROM users WHERE username = ?',
(username, )).fetchone() is not None:
error = f'User {username} already exists.'
if error is None:
db.execute('INSERT INTO users (username, password) VALUES (?, ?)',
(username, generate_password_hash(password)))
db.commit()
return redirect(url_for('auth.login'))
flash(error)
return render_template('auth/register.html')
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
user = db.execute('SELECT * FROM users WHERE username = ? ',
(username, )).fetchone()
# verifying the user and password
if user is None or not check_password_hash(user['password'], password):
error = 'Incorrect username or password.'
flash(error)
else:
session.clear()
session['user_id'] = user['id']
# returning userid to verify login
return redirect(url_for('index'))
return render_template('auth/login.html')