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authorThibG <thib@sitedethib.com>2019-02-28 15:22:21 +0100
committerEugen Rochko <eugen@zeonfederated.com>2019-02-28 15:22:21 +0100
commit9d3c6f1849120e732a9230959cb302575765ea8c (patch)
tree9fea88d303fe39036ae87698bb723c44a0146811 /app/serializers
parent6e8743d17a92438bd2332e97f824bc212fa4b96e (diff)
Improved remote thread fetching (#10106)
* Fetch up to 5 replies when discovering a new remote status

This is used for resolving threads downwards. The originating
server must add a “replies” attributes with such replies for it to
be useful.

* Add some tests for ActivityPub::FetchRepliesWorker

* Add specs for ActivityPub::FetchRepliesService

* Serialize up to 5 public self-replies for ActivityPub notes

* Add specs for ActivityPub::NoteSerializer

* Move exponential backoff logic to a worker concern

* Fetch first page of paginated collections when fetching thread replies

* Add specs for paginated collections in replies

* Move Note replies serialization to a first CollectionPage

The collection isn't actually paginable yet as it has no id nor
a `next` field. This may come in another PR.

* Use pluck(:uri) instead of map(&:uri) to improve performances

* Fix fetching replies when they are in a CollectionPage
Diffstat (limited to 'app/serializers')
-rw-r--r--app/serializers/activitypub/collection_serializer.rb5
-rw-r--r--app/serializers/activitypub/note_serializer.rb13
2 files changed, 16 insertions, 2 deletions
diff --git a/app/serializers/activitypub/collection_serializer.rb b/app/serializers/activitypub/collection_serializer.rb
index e8960131b..b03609957 100644
--- a/app/serializers/activitypub/collection_serializer.rb
+++ b/app/serializers/activitypub/collection_serializer.rb
@@ -7,7 +7,8 @@ class ActivityPub::CollectionSerializer < ActiveModel::Serializer
     super
   end
 
-  attributes :id, :type
+  attribute :id, if: -> { object.id.present? }
+  attribute :type
   attribute :total_items, if: -> { object.size.present? }
   attribute :next, if: -> { object.next.present? }
   attribute :prev, if: -> { object.prev.present? }
@@ -37,6 +38,6 @@ class ActivityPub::CollectionSerializer < ActiveModel::Serializer
   end
 
   def page?
-    object.part_of.present?
+    object.part_of.present? || object.page.present?
   end
 end
diff --git a/app/serializers/activitypub/note_serializer.rb b/app/serializers/activitypub/note_serializer.rb
index c9d23e25f..6b0978ad3 100644
--- a/app/serializers/activitypub/note_serializer.rb
+++ b/app/serializers/activitypub/note_serializer.rb
@@ -13,6 +13,8 @@ class ActivityPub::NoteSerializer < ActiveModel::Serializer
   has_many :media_attachments, key: :attachment
   has_many :virtual_tags, key: :tag
 
+  has_one :replies, serializer: ActivityPub::CollectionSerializer
+
   def id
     ActivityPub::TagManager.instance.uri_for(object)
   end
@@ -33,6 +35,17 @@ class ActivityPub::NoteSerializer < ActiveModel::Serializer
     { object.language => Formatter.instance.format(object) }
   end
 
+  def replies
+    ActivityPub::CollectionPresenter.new(
+      type: :unordered,
+      first: ActivityPub::CollectionPresenter.new(
+        type: :unordered,
+        page: true,
+        items: object.self_replies(5).pluck(:uri)
+      )
+    )
+  end
+
   def language?
     object.language.present?
   end