Override for comments_for_node

Make use of the render_comments_for_node function, and define custom logic to determine the value of can_post_comments.

cloud/routes.py

@@ -16,6 +16,8 @@ from pillar.web.utils import system_util, get_file, current_user_is_authenticate
 from pillar.web.utils import attach_project_pictures
 from pillar.web.settings import blueprint as blueprint_settings
 from pillar.web.nodes.routes import url_for_node
+from pillar.web.nodes.custom.comments import render_comments_for_node
+
 
 blueprint = Blueprint('cloud', __name__)
 log = logging.getLogger(__name__)
@@ -397,6 +399,26 @@ def emails_welcome_txt():
     return flask.Response(txt, content_type='text/plain; charset=utf-8')
 
 
+@blueprint.route('/nodes/<string(length=24):node_id>/comments')
+def comments_for_node(node_id):
+    """Overrides the default render_comments_for_node.
+
+    This is done in order to extend can_post_comments by requiring the
+    subscriber capability.
+    """
+
+    api = system_util.pillar_api()
+
+    node = Node.find(node_id, api=api)
+    project = Project({'_id': node.project})
+    can_post_comments = project.node_type_has_method('comment', 'POST', api=api)
+    can_comment_override = flask.request.args.get('can_comment', 'True') == 'True'
+    can_post_comments = can_post_comments and can_comment_override and current_user.has_cap(
+        'subscriber')
+
+    return render_comments_for_node(node_id, can_post_comments=can_post_comments)
+
+
 def setup_app(app):
     global _homepage_context
     cached = app.cache.cached(timeout=300)