disabled custom max update field for non-admins

corehq/apps/domain/forms.py

@@ -1168,6 +1168,7 @@ class DomainInternalForm(forms.Form, SubAreaMixin):
     )
 
     def __init__(self, domain, can_edit_eula, *args, **kwargs):
+        self.user = kwargs.pop('user', None)
         super(DomainInternalForm, self).__init__(*args, **kwargs)
         self.domain = domain
         self.can_edit_eula = can_edit_eula
@@ -1266,6 +1267,13 @@ def __init__(self, domain, can_edit_eula, *args, **kwargs):
             ),
         )
 
+        if not self.user.is_staff:
+            self.fields['auto_case_update_limit'].disabled = True
+            self.fields['auto_case_update_limit'].help_text = (
+                'Case update rule limits are only modifiable by Dimagi admins. '
+                'Please reach out to support@dimagi.com if you wish to update this setting.'
+            )
+
     @property
     def current_values(self):
         return {

corehq/apps/domain/views/internal.py

@@ -97,7 +97,8 @@ def dispatch(self, request, *args, **kwargs):
     def internal_settings_form(self):
         can_edit_eula = toggles.CAN_EDIT_EULA.enabled(self.request.couch_user.username)
         if self.request.method == 'POST':
-            return DomainInternalForm(self.request.domain, can_edit_eula, self.request.POST)
+            return DomainInternalForm(self.request.domain, can_edit_eula,
+                                      self.request.POST, user=self.request.user)
         initial = {
             'countries': self.domain_object.deployment.countries,
             'is_test': self.domain_object.is_test,
@@ -150,7 +151,7 @@ def internal_settings_form(self):
         initial['active_ucr_expressions'] = AllowedUCRExpressionSettings.get_allowed_ucr_expressions(
             domain_name=self.domain_object.name
         )
-        return DomainInternalForm(self.request.domain, can_edit_eula, initial=initial)
+        return DomainInternalForm(self.request.domain, can_edit_eula, initial=initial, user=self.request.user)
 
     @property
     def page_context(self):