Add support for FASP data sharing (#34415)

app/models/concerns/account/fasp_concern.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+module Account::FaspConcern
+  extend ActiveSupport::Concern
+
+  included do
+    after_commit :announce_new_account_to_subscribed_fasp, on: :create
+    after_commit :announce_updated_account_to_subscribed_fasp, on: :update
+    after_commit :announce_deleted_account_to_subscribed_fasp, on: :destroy
+  end
+
+  private
+
+  def announce_new_account_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+    return unless discoverable?
+
+    uri = ActivityPub::TagManager.instance.uri_for(self)
+    Fasp::AnnounceAccountLifecycleEventWorker.perform_async(uri, 'new')
+  end
+
+  def announce_updated_account_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+    return unless discoverable? || saved_change_to_discoverable?
+
+    uri = ActivityPub::TagManager.instance.uri_for(self)
+    Fasp::AnnounceAccountLifecycleEventWorker.perform_async(uri, 'update')
+  end
+
+  def announce_deleted_account_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+    return unless discoverable?
+
+    uri = ActivityPub::TagManager.instance.uri_for(self)
+    Fasp::AnnounceAccountLifecycleEventWorker.perform_async(uri, 'delete')
+  end
+end

app/models/concerns/favourite/fasp_concern.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module Favourite::FaspConcern
+  extend ActiveSupport::Concern
+
+  included do
+    after_commit :announce_trends_to_subscribed_fasp, on: :create
+  end
+
+  private
+
+  def announce_trends_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+
+    Fasp::AnnounceTrendWorker.perform_async(status_id, 'favourite')
+  end
+end

app/models/concerns/status/fasp_concern.rb

@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+module Status::FaspConcern
+  extend ActiveSupport::Concern
+
+  included do
+    after_commit :announce_new_content_to_subscribed_fasp, on: :create
+    after_commit :announce_updated_content_to_subscribed_fasp, on: :update
+    after_commit :announce_deleted_content_to_subscribed_fasp, on: :destroy
+    after_commit :announce_trends_to_subscribed_fasp, on: :create
+  end
+
+  private
+
+  def announce_new_content_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+    return unless account_indexable? && public_visibility?
+
+    # We need the uri here, but it is set in another `after_commit`
+    # callback. Hooks included from modules are run before the ones
+    # in the class itself and can neither be reordered nor is there
+    # a way to declare dependencies.
+    store_uri if uri.nil?
+    Fasp::AnnounceContentLifecycleEventWorker.perform_async(uri, 'new')
+  end
+
+  def announce_updated_content_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+    return unless account_indexable? && public_visibility?
+
+    Fasp::AnnounceContentLifecycleEventWorker.perform_async(uri, 'update')
+  end
+
+  def announce_deleted_content_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+    return unless account_indexable? && public_visibility?
+
+    Fasp::AnnounceContentLifecycleEventWorker.perform_async(uri, 'delete')
+  end
+
+  def announce_trends_to_subscribed_fasp
+    return unless Mastodon::Feature.fasp_enabled?
+    return unless account_indexable?
+
+    candidate_id, trend_source =
+      if reblog_of_id
+        [reblog_of_id, 'reblog']
+      elsif in_reply_to_id
+        [in_reply_to_id, 'reply']
+      end
+    Fasp::AnnounceTrendWorker.perform_async(candidate_id, trend_source) if candidate_id
+  end
+end