add email list field

.env

@@ -8,7 +8,7 @@ HARVEST_SOURCE_PORT=80
 HARVEST_SOURCE_URL=http://localhost:${HARVEST_SOURCE_PORT}
 CF_API_URL=https://api.fr.cloud.gov
 HARVEST_RUNNER_APP_GUID=e6a8bba8-ed6d-4200-8280-67b46cebdc63
-CLIENT_ID=urn:gov:gsa:openidconnect.profiles:sp:sso:gsa:datagov-dev-harvest-admin
+CLIENT_ID=urn:gov:gsa:openidconnect.profiles:sp:sso:gsa:datagov-local-harvest-admin
 ISSUER=https://idp.int.identitysandbox.gov
 REDIRECT_URI=http://localhost:8080/callback
 FLASK_APP_SECRET_KEY=Px4o0MPEsCzHJRRSUDyt1VRi-lYF2W5VEzR13lylAgI

app/forms.py

@@ -4,21 +4,27 @@
 from wtforms import SelectField, StringField, TextAreaField
 from wtforms.validators import URL, DataRequired, ValidationError
 
-
 def validate_email_list(form, field):
-    emails = field.data.split(",")
+    emails = field.data
     for email in emails:
         if not re.match(r"[^@]+@[^@]+\.[^@]+", email.strip()):
             raise ValidationError("Invalid email address: {}".format(email))
 
+class EmailListField(TextAreaField):
+    def process_formdata(self, valuelist):
+        if valuelist:
+            raw_data = valuelist[0].replace("\r\n", ", ")
+            self.data = [email.strip() for email in raw_data .split(',')]
+        else:
+            self.data = []
 
 class HarvestSourceForm(FlaskForm):
     organization_id = SelectField(
         "Organization", choices=[], validators=[DataRequired()]
     )
     name = StringField("Name", validators=[DataRequired()])
     url = StringField("URL", validators=[DataRequired(), URL()])
-    notification_emails = TextAreaField(
+    notification_emails = EmailListField(
         "Notification_emails", validators=[DataRequired(), validate_email_list]
     )
     frequency = SelectField(

app/routes.py

@@ -190,7 +190,7 @@ def remove_user(email):
 def make_new_source_contract(form):
     return {
         "name": form.name.data,
-        "notification_emails": form.notification_emails.data.replace("\r\n", ", "),
+        "notification_emails": form.notification_emails.data,
         "frequency": form.frequency.data,
         "user_requested_frequency": form.frequency.data,
         "url": form.url.data,