From c5e03a2e0d7eac132a5d62d1d7d523a6969697cc Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 9 Nov 2016 19:16:27 +0100
Subject: [PATCH] Status removal is broadcast to public/hashtag timelines too

---
 app/channels/application_cable/channel.rb |  7 +++++--
 app/services/remove_status_service.rb     | 12 ++++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/app/channels/application_cable/channel.rb b/app/channels/application_cable/channel.rb
index d27b058fb..43adadbd9 100644
--- a/app/channels/application_cable/channel.rb
+++ b/app/channels/application_cable/channel.rb
@@ -4,14 +4,17 @@ module ApplicationCable
 
     def hydrate_status(encoded_message)
       message = ActiveSupport::JSON.decode(encoded_message)
-      status  = Status.find_by(id: message['id'])
+
+      return [nil, message] if message['type'] == 'delete'
+
+      status             = Status.find_by(id: message['id'])
       message['message'] = FeedManager.instance.inline_render(current_user.account, status)
 
       [status, message]
     end
 
     def filter?(status)
-      status.nil? || current_user.account.blocking?(status.account) || (status.reblog? && current_user.account.blocking?(status.reblog.account))
+      !status.nil? && (current_user.account.blocking?(status.account) || (status.reblog? && current_user.account.blocking?(status.reblog.account)))
     end
   end
 end
diff --git a/app/services/remove_status_service.rb b/app/services/remove_status_service.rb
index 0b78b131a..66fa1be18 100644
--- a/app/services/remove_status_service.rb
+++ b/app/services/remove_status_service.rb
@@ -4,6 +4,8 @@ class RemoveStatusService < BaseService
     remove_from_followers(status)
     remove_from_mentioned(status)
     remove_reblogs(status)
+    remove_from_hashtags(status)
+    remove_from_public(status)
 
     status.destroy!
   end
@@ -49,6 +51,16 @@ class RemoveStatusService < BaseService
     FeedManager.instance.broadcast(receiver.id, type: 'delete', id: status.id)
   end
 
+  def remove_from_hashtags(status)
+    status.tags.each do |tag|
+      FeedManager.instance.broadcast("hashtag:#{tag.name}", type: 'delete', id: status.id)
+    end
+  end
+
+  def remove_from_public(status)
+    FeedManager.instance.broadcast(:public, type: 'delete', id: status.id)
+  end
+
   def redis
     $redis
   end