class DestinationForm(FlaskForm):
journeyName = StringField("Name this Journey", validators=[DataRequired(), Length(min=2, max=20, message="Journey Name must be between 2 and 20 characters long.")])
busNumber = IntegerField("Select Bus Number", validators=[DataRequired(), NumberRange(min=2, max=975, message="Invalid Bus Number")])
journeyFrom = StringField("Bus Stop Code", validators=[DataRequired()])
journeyTo = StringField("Destination", validators=[DataRequired()])
alertMe = IntegerField("Alert Me Before {?} Stops", validators=[DataRequired(), NumberRange(min=1, max=7, message="Out of range! Between 1 to 7 only")])
submit = SubmitField("Submit")

@app.route("/destination", methods=['GET', 'POST'])
def destination():
form = DestinationForm()
if form.validate_on_submit():
    flash(f'You are in transit, on Bus {form.busNumber.data}!', 'danger')
    return redirect("transit")
return render_template("destinationForm.html", title="Destination",
form=form)