def login():
form = LoginForm()
if form.validate_on_submit():
# Login and validate the user
user = User.getByUsername(form.username.data)
if user is not None and user.checkPassword(form.password.data):
login_user(user, form.rememberMe.data)
flash("Logged in sucessfully as {}.".format(user.username))
return redirect(
request.args.get('next')
or url_for('user', username=user.username))
flash('Incorrect username or password')
return render_template("login.html", form=form)
def signup():
form = SignupForm()
if form.validate_on_submit():
user = User(email=form.email.data,
username=form.username.data,
password=form.password.data)
invalidUsername = User.getByUsername(form.username.data)
invalidEmail = User.getByEmail(form.email.data)
if invalidUsername is None and invalidEmail is None:
db.session.add(user)
db.session.commit()
flash('Welcome, {}! Please login.'.format(user.username))
return redirect(url_for('login'))
elif invalidUsername:
flash('Username has already been registered by another user.')
elif invalidEmail:
flash(
'E-mail address has already been registered by another user.')
return render_template("signup.html", form=form)