Add is_revokable property to Invitation

atst/models/invitation.py

@@ -87,3 +87,7 @@ class Invitation(Base, TimestampsMixin, AuditableMixin):
     @property
     def user_name(self):
         return self.workspace_role.user.full_name
+
+    @property
+    def is_revokable(self):
+        return self.is_pending and not self.is_expired

templates/workspaces/members/edit.html

@@ -40,7 +40,7 @@
         <a href='{{ url_for("users.user") }}' class='icon-link'>edit account details</a>
       {% endif %}
       <div>
-      {% if member.latest_invitation.is_pending %}
+      {% if member.latest_invitation.is_revokable %}
         {{ ConfirmationButton(
               "Revoke Invitation",
               url_for("workspaces.revoke_invitation", workspace_id=workspace.id, token=member.latest_invitation.token),