Simple multi "share in explore subreddit" button.

r2/r2/lib/pages/pages.py

@@ -1865,6 +1865,15 @@ class MultiInfoBar(Templated):
         self.description_md = multi.description_md
         self.srs = srs
 
+        explore_sr = g.live_config["listing_chooser_explore_sr"]
+        if explore_sr:
+            self.share_url = "/r/%(sr)s/submit?url=%(url)s" % {
+                "sr": explore_sr,
+                "url": add_sr(self.multi.path, sr_path=False),
+            }
+        else:
+            self.share_url = None
+
 
 class SubscriptionBox(Templated):
     """The list of reddits a user is currently subscribed to to go in

r2/r2/public/static/css/reddit.less

@@ -5308,7 +5308,7 @@ table.calendar {
 }
 
 .gray-buttons {
-    button {
+    button, a {
         padding: 0;
         margin: 0;
         border: none;
@@ -5458,6 +5458,15 @@ table.calendar {
         }
     }
 
+    .share-in-sr {
+        display: none;
+    }
+    &.public {
+        .share-in-sr {
+            display: inline;
+        }
+    }
+
     form.add-sr {
         .sr-name, button.add {
             vertical-align: middle;

r2/r2/public/static/js/multi.js

@@ -338,6 +338,7 @@ r.multi.MultiDetails = Backbone.View.extend({
         }
 
         this.$el.toggleClass('readonly', !canEdit)
+        this.$el.toggleClass('public', this.model.get('visibility') == 'public')
 
         if (this.model.description.has('body_html')) {
             this.$('.description .usertext-body').html(

r2/r2/templates/multiinfobar.html

@@ -75,6 +75,10 @@
     %if thing.can_edit:
       <div class="gray-buttons settings">
         <button class="edit-description">${_('edit description')}</button>
+
+        %if thing.share_url:
+          <a class="share-in-sr" href="${thing.share_url}">${_('share')} &rsaquo;</a>
+        %endif
       </div>
     %endif
   </div>