Validate that start_date is in the future

atst/forms/new_request.py

@@ -1,7 +1,7 @@
 import pendulum
 from wtforms.fields.html5 import DateField, EmailField, IntegerField, TelField
 from wtforms.fields import BooleanField, RadioField, StringField, TextAreaField
-from wtforms.validators import Email, Length, Optional, Required
+from wtforms.validators import Email, Length, Optional, Required, DataRequired
 
 from .fields import SelectField
 from .forms import ValidatedForm
@@ -136,7 +136,14 @@ class DetailsOfUseForm(ValidatedForm):
 
     start_date = DateField(
         description="When do you expect to start using the JEDI Cloud (not for billing purposes)?",
-        validators=[Required()],
+        validators=[
+            DataRequired(),
+            DateRange(
+                lower_bound=pendulum.duration(days=1),
+                upper_bound=None,
+                message="Must be a date in the future.",
+            ),
+        ],
         format="%m/%d/%Y",
     )
 

atst/forms/validators.py

@@ -1,12 +1,17 @@
 import re
 from wtforms.validators import ValidationError
 import pendulum
+from datetime import datetime
 
 
 def DateRange(lower_bound=None, upper_bound=None, message=None):
     def _date_range(form, field):
         now = pendulum.now().date()
-        date = field.data
+
+        if isinstance(field.data, str):
+            date = datetime.strptime(field.data, field.format)
+        else:
+            date = field.data
 
         if lower_bound is not None:
             if (now - lower_bound) > date: