3 files changed, 30 insertions, 7 deletions
diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
index cdd406043..0ca6b92a4 100644
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@@ -89,7 +89,7 @@ class ActivityPub::Activity
   def distribute(status)
     crawl_links(status)
 
-    notify_about_reblog(status) if reblog_of_local_account?(status)
+    notify_about_reblog(status) if reblog_of_local_account?(status) && !reblog_by_following_group_account?(status)
     notify_about_mentions(status)
 
     # Only continue if the status is supposed to have arrived in real-time.
@@ -105,6 +105,10 @@ class ActivityPub::Activity
     status.reblog? && status.reblog.account.local?
   end
 
+  def reblog_by_following_group_account?(status)
+    status.reblog? && status.account.group? && status.reblog.account.following?(status.account)
+  end
+
   def notify_about_reblog(status)
     NotifyService.new.call(status.reblog.account, status)
   end
diff --git a/app/lib/activitypub/adapter.rb b/app/lib/activitypub/adapter.rb
index 2a8f72333..78138fb73 100644
--- a/app/lib/activitypub/adapter.rb
+++ b/app/lib/activitypub/adapter.rb
@@ -35,6 +35,7 @@ class ActivityPub::Adapter < ActiveModelSerializers::Adapter::Base
   def serializable_hash(options = nil)
     named_contexts     = {}
     context_extensions = {}
+
     options         = serialization_options(options)
     serialized_hash = serializer.serializable_hash(options.merge(named_contexts: named_contexts, context_extensions: context_extensions))
     serialized_hash = serialized_hash.select { |k, _| options[:fields].include?(k) } if options[:fields]
diff --git a/app/lib/activitypub/tag_manager.rb b/app/lib/activitypub/tag_manager.rb
index 512272dbe..ed680d762 100644
--- a/app/lib/activitypub/tag_manager.rb
+++ b/app/lib/activitypub/tag_manager.rb
@@ -68,10 +68,19 @@ class ActivityPub::TagManager
       if status.account.silenced?
         # Only notify followers if the account is locally silenced
         account_ids = status.active_mentions.pluck(:account_id)
-        to = status.account.followers.where(id: account_ids).map { |account| uri_for(account) }
-        to.concat(FollowRequest.where(target_account_id: status.account_id, account_id: account_ids).map { |request| uri_for(request.account) })
+        to = status.account.followers.where(id: account_ids).each_with_object([]) do |account, result|
+          result << uri_for(account)
+          result << account.followers_url if account.group?
+        end
+        to.concat(FollowRequest.where(target_account_id: status.account_id, account_id: account_ids).each_with_object([]) do |request, result|
+          result << uri_for(request.account)
+          result << request.account.followers_url if request.account.group?
+        end)
       else
-        status.active_mentions.map { |mention| uri_for(mention.account) }
+        status.active_mentions.each_with_object([]) do |mention, result|
+          result << uri_for(mention.account)
+          result << mention.account.followers_url if mention.account.group?
+        end
       end
     end
   end
@@ -97,10 +106,19 @@ class ActivityPub::TagManager
       if status.account.silenced?
         # Only notify followers if the account is locally silenced
         account_ids = status.active_mentions.pluck(:account_id)
-        cc.concat(status.account.followers.where(id: account_ids).map { |account| uri_for(account) })
-        cc.concat(FollowRequest.where(target_account_id: status.account_id, account_id: account_ids).map { |request| uri_for(request.account) })
+        cc.concat(status.account.followers.where(id: account_ids).each_with_object([]) do |account, result|
+          result << uri_for(account)
+          result << account.followers_url if account.group?
+        end)
+        cc.concat(FollowRequest.where(target_account_id: status.account_id, account_id: account_ids).each_with_object([]) do |request, result|
+          result << uri_for(request.account)
+          result << request.account.followers_url if request.account.group?
+        end)
       else
-        cc.concat(status.active_mentions.map { |mention| uri_for(mention.account) })
+        cc.concat(status.active_mentions.each_with_object([]) do |mention, result|
+          result << uri_for(mention.account)
+          result << mention.account.followers_url if mention.account.group?
+        end)
       end
     end