From 24657e1fff1a7a0d98388c9e9495e99e19e130c9 Mon Sep 17 00:00:00 2001
From: mazzolaa <59713660+mazzolaa@users.noreply.github.com>
Date: Mon, 6 Dec 2021 02:19:09 -0500
Subject: [PATCH] Added Length validator

Added wtforms Length validator. Applied this validator to the bill amount because large values will crash an instance of the project.
---
 ihatemoney/forms.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ihatemoney/forms.py b/ihatemoney/forms.py
index 4e241c86..f1ca2560 100644
--- a/ihatemoney/forms.py
+++ b/ihatemoney/forms.py
@@ -20,6 +20,7 @@ from wtforms.validators import (
     NumberRange,
     Optional,
     ValidationError,
+    Length,
 )
 
 from ihatemoney.currency_convertor import CurrencyConverter
@@ -305,7 +306,7 @@ class BillForm(FlaskForm):
     date = DateField(_("When?"), validators=[DataRequired()], default=datetime.now)
     what = StringField(_("What?"), validators=[DataRequired()])
     payer = SelectField(_("Who paid?"), validators=[DataRequired()], coerce=int)
-    amount = CalculatorStringField(_("How much?"), validators=[DataRequired()])
+    amount = CalculatorStringField(_("How much?"), validators=[DataRequired(), Length(max=20)])
     currency_helper = CurrencyConverter()
     original_currency = SelectField(_("Currency"), validators=[DataRequired()])
     external_link = URLField(