Add indicators of hidden score to API and HTML

If the score is hidden, data-ups and data-downs will both be 0, and
the comment will also have the "score-hidden" class

r2/r2/lib/jsontemplates.py

@@ -369,6 +369,7 @@ class PromotedLinkJsonTemplate(LinkJsonTemplate):
 class CommentJsonTemplate(ThingJsonTemplate):
     _data_attrs_ = ThingJsonTemplate.data_attrs(ups          = "upvotes",
                                                 downs        = "downvotes",
+                                                score_hidden = "score_hidden",
                                                 replies      = "child",
                                                 body         = "body",
                                                 body_html    = "body_html",

r2/r2/models/link.py

@@ -1057,6 +1057,7 @@ class Comment(Thing, Printable):
                 item.score = 1
                 item.score_hidden = True
                 item.voting_score = [1, 1, 1]
+                item.render_css_class += " score-hidden"
             else:
                 item.score_hidden = False
 

r2/r2/templates/comment.html

@@ -34,7 +34,11 @@
 ##################
 
 <%def name="thing_data_attributes(what)" buffered="True">
-${parent.thing_data_attributes(what)} data-ups="${what.upvotes}" data-downs="${what.downvotes}"
+  %if what.score_hidden:
+    ${parent.thing_data_attributes(what)} data-ups="0" data-downs="0"
+  %else:
+    ${parent.thing_data_attributes(what)} data-ups="${what.upvotes}" data-downs="${what.downvotes}"
+  %endif
 </%def>
 
 <%def name="midcol(display=True, cls = '')">