From 2c1f7b2ece96c724f6230352974d4282ac51dfd5 Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Fri, 4 May 2018 19:19:11 +0200 Subject: [PATCH] Better pagination for ActivityPub outbox (#7356) --- .../activitypub/collections_controller.rb | 2 +- .../activitypub/outboxes_controller.rb | 54 +++++++++++++++---- .../activitypub/collection_presenter.rb | 2 +- .../activitypub/collection_serializer.rb | 4 +- 4 files changed, 50 insertions(+), 12 deletions(-) diff --git a/app/controllers/activitypub/collections_controller.rb b/app/controllers/activitypub/collections_controller.rb index 081914016..96bf901a7 100644 --- a/app/controllers/activitypub/collections_controller.rb +++ b/app/controllers/activitypub/collections_controller.rb @@ -22,7 +22,7 @@ class ActivityPub::CollectionsController < Api::BaseController end def set_statuses - @statuses = scope_for_collection.paginate_by_max_id(20, params[:max_id], params[:since_id]) + @statuses = scope_for_collection @statuses = cache_collection(@statuses, Status) end diff --git a/app/controllers/activitypub/outboxes_controller.rb b/app/controllers/activitypub/outboxes_controller.rb index 9ed700c1e..be4289b21 100644 --- a/app/controllers/activitypub/outboxes_controller.rb +++ b/app/controllers/activitypub/outboxes_controller.rb @@ -1,14 +1,14 @@ # frozen_string_literal: true class ActivityPub::OutboxesController < Api::BaseController + LIMIT = 20 + include SignatureVerification before_action :set_account + before_action :set_statuses def show - @statuses = @account.statuses.permitted_for(@account, signed_request_account).paginate_by_max_id(20, params[:max_id], params[:since_id]) - @statuses = cache_collection(@statuses, Status) - render json: outbox_presenter, serializer: ActivityPub::OutboxSerializer, adapter: ActivityPub::Adapter, content_type: 'application/activity+json' end @@ -19,11 +19,47 @@ class ActivityPub::OutboxesController < Api::BaseController end def outbox_presenter - ActivityPub::CollectionPresenter.new( - id: account_outbox_url(@account), - type: :ordered, - size: @account.statuses_count, - items: @statuses - ) + if page_requested? + ActivityPub::CollectionPresenter.new( + id: account_outbox_url(@account, page_params), + type: :ordered, + part_of: account_outbox_url(@account), + prev: prev_page, + next: next_page, + items: @statuses + ) + else + ActivityPub::CollectionPresenter.new( + id: account_outbox_url(@account), + type: :ordered, + size: @account.statuses_count, + first: account_outbox_url(@account, page: true), + last: account_outbox_url(@account, page: true, min_id: 0) + ) + end + end + + def next_page + account_outbox_url(@account, page: true, max_id: @statuses.last.id) if @statuses.size == LIMIT + end + + def prev_page + account_outbox_url(@account, page: true, min_id: @statuses.first.id) unless @statuses.empty? + end + + def set_statuses + return unless page_requested? + + @statuses = @account.statuses.permitted_for(@account, signed_request_account) + @statuses = params[:min_id].present? ? @statuses.paginate_by_min_id(LIMIT, params[:min_id]).reverse : @statuses.paginate_by_max_id(LIMIT, params[:max_id]) + @statuses = cache_collection(@statuses, Status) + end + + def page_requested? + params[:page] == 'true' + end + + def page_params + { page: true, max_id: params[:max_id], min_id: params[:min_id] }.compact end end diff --git a/app/presenters/activitypub/collection_presenter.rb b/app/presenters/activitypub/collection_presenter.rb index 39657276f..ec84ab1a3 100644 --- a/app/presenters/activitypub/collection_presenter.rb +++ b/app/presenters/activitypub/collection_presenter.rb @@ -1,5 +1,5 @@ # frozen_string_literal: true class ActivityPub::CollectionPresenter < ActiveModelSerializers::Model - attributes :id, :type, :size, :items, :part_of, :first, :next, :prev + attributes :id, :type, :size, :items, :part_of, :first, :last, :next, :prev end diff --git a/app/serializers/activitypub/collection_serializer.rb b/app/serializers/activitypub/collection_serializer.rb index 1ae492945..e8960131b 100644 --- a/app/serializers/activitypub/collection_serializer.rb +++ b/app/serializers/activitypub/collection_serializer.rb @@ -7,12 +7,14 @@ class ActivityPub::CollectionSerializer < ActiveModel::Serializer super end - attributes :id, :type, :total_items + attributes :id, :type + attribute :total_items, if: -> { object.size.present? } attribute :next, if: -> { object.next.present? } attribute :prev, if: -> { object.prev.present? } attribute :part_of, if: -> { object.part_of.present? } has_one :first, if: -> { object.first.present? } + has_one :last, if: -> { object.last.present? } has_many :items, key: :items, if: -> { (!object.items.nil? || page?) && !ordered? } has_many :items, key: :ordered_items, if: -> { (!object.items.nil? || page?) && ordered? }