Allow subreddits to hide comment scores initially

Adds a new subreddit setting that allows defining a period
of time after posting that comment scores will be hidden.

r2/r2/controllers/api.py

@@ -1678,6 +1678,8 @@ class ApiController(RedditController, OAuth2ResourceController):
                    link_type = VOneOf('link_type', ('any', 'link', 'self')),
                    submit_link_label=VLength('submit_link_label', max_length=60),
                    submit_text_label=VLength('submit_text_label', max_length=60),
+                   comment_score_hide_mins=VInt('comment_score_hide_mins',
+                       coerce=False, num_default=0, min=0, max=1440),
                    wikimode = VOneOf('wikimode', ('disabled', 'modonly', 'anyone')),
                    wiki_edit_karma = VInt("wiki_edit_karma", coerce=False, num_default=0, min=0),
                    wiki_edit_age = VInt("wiki_edit_age", coerce=False, num_default=0, min=0),
@@ -1720,7 +1722,7 @@ class ApiController(RedditController, OAuth2ResourceController):
                   if k in ('name', 'title', 'domain', 'description',
                            'show_media', 'exclude_banned_modqueue',
                            'show_cname_sidebar', 'type',
-                           'link_type', 'submit_link_label',
+                           'link_type', 'submit_link_label', 'comment_score_hide_mins',
                            'submit_text_label', 'lang', 'css_on_cname',
                            'header_title', 'over_18', 'wikimode', 'wiki_edit_karma',
                            'wiki_edit_age', 'allow_top', 'public_description'))
@@ -1791,6 +1793,8 @@ class ApiController(RedditController, OAuth2ResourceController):
         elif (form.has_errors(('wiki_edit_karma', 'wiki_edit_age'), 
                               errors.BAD_NUMBER)):
             pass
+        elif form.has_errors('comment_score_hide_mins', errors.BAD_NUMBER):
+            pass
         #creating a new reddit
         elif not sr:
             #sending kw is ok because it was sanitized above

r2/r2/lib/jsontemplates.py

@@ -720,6 +720,7 @@ class SubredditSettingsTemplate(ThingJsonTemplate):
                         subreddit_type = 'site.type',
                         submit_link_label = 'site.submit_link_label',
                         submit_text_label = 'site.submit_text_label',
+                        comment_score_hide_mins = 'site.comment_score_hide_mins',
                         content_options = 'site.link_type',
                         over_18 = 'site.over_18',
                         default_set = 'site.allow_top',

r2/r2/models/link.py

@@ -882,6 +882,7 @@ class Comment(Thing, Printable):
     @classmethod
     def add_props(cls, user, wrapped):
         from r2.lib.template_helpers import add_attr, get_domain
+        from r2.lib.utils import timeago
         from r2.lib.wrapped import CachedVariable
         from r2.lib.pages import WrappedUser
 
@@ -1043,7 +1044,11 @@ class Comment(Thing, Printable):
             else:
                 item.votable = True
 
-            if (item.link.contest_mode and
+            hide_period = ('{0} minutes'
+                          .format(item.subreddit.comment_score_hide_mins))
+
+            if ((item._date > timeago(hide_period) or
+                 item.link.contest_mode) and
                  not (c.user_is_admin or
                       c.user_is_loggedin and
                         item.subreddit.is_moderator(c.user))):

r2/r2/models/modaction.py

@@ -130,6 +130,7 @@ class ModAction(tdb_cassandra.UuidThing, Printable):
                      'link_type': _('link type'),
                      'submit_link_label': _('submit link button label'),
                      'submit_text_label': _('submit text post button label'),
+                     'comment_score_hide_mins': _('comment score hide period'),
                      'over_18': _('toggle viewers must be over 18'),
                      'allow_top': _('toggle allow in default set'),
                      'show_media': _('toggle show thumbnail images of content'),

r2/r2/models/subreddit.py

@@ -91,6 +91,7 @@ class Subreddit(Thing, Printable):
                      link_type = 'any', # one of ('link', 'self', 'any')
                      submit_link_label = '',
                      submit_text_label = '',
+                     comment_score_hide_mins = 0,
                      flair_enabled = True,
                      flair_position = 'right', # one of ('left', 'right')
                      link_flair_position = '', # one of ('', 'left', 'right')

r2/r2/templates/comment.html

@@ -105,7 +105,7 @@ ${parent.collapsed()}
   %if collapse and thing.collapsed and show:
     ${thing.collapsed_reason}
   %else:
-    %if show and not (thing.link.contest_mode and thing.score_hidden):
+    %if show and not thing.score_hidden:
        ${unsafe(self.score(thing, likes = thing.likes))} 
     %endif
     ${thing_timestamp(thing, thing.timesince)} ${_("ago")}

r2/r2/templates/createsubreddit.html

@@ -259,6 +259,18 @@
         </li>
       </ul>
     </div>
+    <div class="usertext-edit">
+      <div class="delete-field">
+        <label for="comment_score_hide_mins">${_('Minutes to hide comment scores:')}</label>
+            %if thing.site:
+                <input id="comment_score_hide_mins" type="text" name="comment_score_hide_mins" placeholder="0" 
+                       value = "${thing.site.comment_score_hide_mins}" />
+            %else:
+                <input id="comment_score_hide_mins" type="text" name="comment_score_hide_mins" value="0" placeholder="0" />
+            %endif
+            ${error_field("BAD_NUMBER", "comment_score_hide_mins")}
+      </div>
+    </div>
   </%utils:line_field>
 
 % if thing.site and thing.site.domain != thing.site._defaults['domain']: