Disabling invite a deactivated user

corehq/apps/registration/forms.py

@@ -23,7 +23,7 @@
 from corehq.apps.hqwebapp import crispy as hqcrispy
 from corehq.apps.programs.models import Program
 from corehq.apps.users.forms import SelectUserLocationForm, BaseTableauUserForm
-from corehq.apps.users.models import CouchUser
+from corehq.apps.users.models import CouchUser, WebUser
 
 
 class RegisterWebUserForm(forms.Form):
@@ -592,6 +592,9 @@ def clean_email(self):
         if email.lower() in self.excluded_emails:
             raise forms.ValidationError(_("A user with this email address is already in "
                                           "this project or has a pending invitation."))
+        web_user = WebUser.get_by_username(email)
+        if web_user and not web_user.is_active:
+            raise forms.ValidationError(_("A user with this email address is deactivated. "))
         return email
 
     def clean(self):

corehq/apps/registration/tests/test_forms.py

@@ -4,6 +4,7 @@
 from testil import Regex
 
 from ..forms import AdminInvitesUserForm
+from corehq.apps.users.models import WebUser
 
 
 patch_query = patch.object(
@@ -12,16 +13,24 @@
     lambda *ignore: True,
 )
 
+mock_couch_user = WebUser(
+    username="testuser",
+    _id="user123",
+    domain="test-domain",
+)
+
 
 @patch_query
-def test_minimal_valid_form():
+@patch("corehq.apps.users.models.WebUser.get_by_username", return_value=None)
+def test_minimal_valid_form(mock_web_user):
     form = create_form()
 
     assert form.is_valid(), form.errors
 
 
 @patch_query
-def test_form_is_invalid_when_invite_existing_email_with_case_mismatch():
+@patch("corehq.apps.users.models.WebUser.get_by_username", return_value=None)
+def test_form_is_invalid_when_invite_existing_email_with_case_mismatch(mock_web_user):
     form = create_form(
         {"email": "[email protected]"},
         excluded_emails=["[email protected]"],
@@ -32,6 +41,19 @@ def test_form_is_invalid_when_invite_existing_email_with_case_mismatch():
     assert form.errors["email"] == [Regex(msg)], form.errors
 
 
+@patch_query
+@patch("corehq.apps.users.models.WebUser.get_by_username", return_value=mock_couch_user)
+def test_form_is_invalid_when_invite_deactivated_user(mock_web_user):
+    mock_web_user.is_active = False
+    form = create_form(
+        {"email": "[email protected]"},
+    )
+
+    msg = "A user with this email address is deactivated."
+    assert not form.is_valid()
+    assert form.errors["email"] == [Regex(msg)], form.errors
+
+
 def create_form(data=None, **kw):
     form_defaults = {"email": "[email protected]", "role": "admin"}
     request = RequestFactory().post("/", form_defaults | (data or {}))