def login():
if request.method == "POST":
form_data = request.form
username = form_data.get("username")
password = form_data.get("password")
if validate(username) and validate(password):
librarian = Librarian()
librarian = librarian.get(username)
if librarian:
if bcrypt.check_password_hash(librarian.password, password):
librarian.authenticated = True
login_user(librarian)
return redirect('/')
else:
flash("Incorrect Credentials.", "danger")
return render_template("login.html")
