Added Error to Stylesheet API on invalid CSS

r2/r2/controllers/api.py

@@ -1281,6 +1281,8 @@ class ApiController(RedditController, OAuth2ResourceController):
             form.set_html(".status", _('validation errors'))
             form.set_html(".errors ul", ''.join(error_items))
             form.find('.errors').show()
+            c.errors.add(errors.BAD_CSS, field="stylesheet_contents")
+            form.has_errors("stylesheet_contents", errors.BAD_CSS)
             return
         else:
             form.find('.errors').hide()

r2/r2/controllers/errors.py

@@ -92,6 +92,7 @@ error_list = dict((
         ('NO_LINKS', _("that reddit only allows text posts")),
         ('TOO_OLD', _("that's a piece of history now; it's too late to reply to it")),
         ('BAD_CSS_NAME', _('invalid css name')),
+        ('BAD_CSS', _('invalid css')),
         ('BAD_REVISION', _('invalid revision ID')),
         ('TOO_MUCH_FLAIR_CSS', _('too many flair css classes')),
         ('BAD_FLAIR_TARGET', _('not a valid flair target')),