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Change link previews to keep original URL from the status (#27312)

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Eugen Rochko 2023-11-13 10:58:28 +01:00 committed by GitHub
parent 9dc3ce878b
commit 0d14fcebae
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19 changed files with 70 additions and 30 deletions
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2
app/chewy/public_statuses_index.rb
View file

@ -53,7 +53,7 @@ class PublicStatusesIndex < Chewy::Index
index_scope ::Status.unscoped
.kept
.indexable
.includes(:media_attachments, :preloadable_poll, :preview_cards, :tags)
.includes(:media_attachments, :preloadable_poll, :tags, preview_cards_status: :preview_card)
root date_detection: false do
field(:id, type: 'long')

2
app/chewy/statuses_index.rb
View file

@ -50,7 +50,7 @@ class StatusesIndex < Chewy::Index
},
}
index_scope ::Status.unscoped.kept.without_reblogs.includes(:media_attachments, :preview_cards, :local_mentioned, :local_favorited, :local_reblogged, :local_bookmarked, :tags, preloadable_poll: :local_voters), delete_if: ->(status) { status.searchable_by.empty? }
index_scope ::Status.unscoped.kept.without_reblogs.includes(:media_attachments, :local_mentioned, :local_favorited, :local_reblogged, :local_bookmarked, :tags, preview_cards_status: :preview_card, preloadable_poll: :local_voters), delete_if: ->(status) { status.searchable_by.empty? }
root date_detection: false do
field(:id, type: 'long')

2
app/controllers/api/v1/conversations_controller.rb
View file

@ -41,10 +41,10 @@ class Api::V1::ConversationsController < Api::BaseController
account: :account_stat,
last_status: [
:media_attachments,
:preview_cards,
:status_stat,
:tags,
{
preview_cards_status: :preview_card,
active_mentions: [account: :account_stat],
account: :account_stat,
},

2
app/models/admin/status_batch_action.rb
View file

@ -74,7 +74,7 @@ class Admin::StatusBatchAction
# Can't use a transaction here because UpdateStatusService queues
# Sidekiq jobs
statuses.includes(:media_attachments, :preview_cards).find_each do |status|
statuses.includes(:media_attachments, preview_cards_status: :preview_card).find_each do |status|
next if status.discarded? || !(status.with_media? || status.with_preview_card?)
authorize([:admin, status], :update?)

2
app/models/concerns/status_search_concern.rb
View file

@ -40,7 +40,7 @@ module StatusSearchConcern
properties << 'media' if with_media?
properties << 'poll' if with_poll?
properties << 'link' if with_preview_card?
properties << 'embed' if preview_cards.any?(&:video?)
properties << 'embed' if preview_card&.video?
properties << 'sensitive' if sensitive?
properties << 'reply' if reply?
end

7
app/models/preview_card.rb
View file

@ -50,7 +50,9 @@ class PreviewCard < ApplicationRecord
enum type: { link: 0, photo: 1, video: 2, rich: 3 }
enum link_type: { unknown: 0, article: 1 }
has_and_belongs_to_many :statuses
has_many :preview_cards_statuses, dependent: :delete_all, inverse_of: :preview_card
has_many :statuses, through: :preview_cards_statuses
has_one :trend, class_name: 'PreviewCardTrend', inverse_of: :preview_card, dependent: :destroy
has_attached_file :image, processors: [:thumbnail, :blurhash_transcoder], styles: ->(f) { image_styles(f) }, convert_options: { all: '-quality 90 +profile "!icc,*" +set date:modify +set date:create +set date:timestamp' }, validate_media_type: false
@ -64,6 +66,9 @@ class PreviewCard < ApplicationRecord
before_save :extract_dimensions, if: :link?
# This can be set by the status when retrieving the preview card using the join model
attr_accessor :original_url
def appropriate_for_trends?
link? && article? && title.present? && description.present? && image.present? && provider_name.present?
end

18
app/models/preview_cards_status.rb Normal file
View file

@ -0,0 +1,18 @@
# frozen_string_literal: true
# == Schema Information
#
# Table name: preview_cards_statuses
#
# preview_card_id :bigint(8) not null
# status_id :bigint(8) not null
# url :string
#
class PreviewCardsStatus < ApplicationRecord
# Composite primary keys are not properly supported in Rails. However,
# we shouldn't need this anyway...
self.primary_key = nil
belongs_to :preview_card
belongs_to :status
end

15
app/models/status.rb
View file

@ -79,8 +79,8 @@ class Status < ApplicationRecord
has_many :local_bookmarked, -> { merge(Account.local) }, through: :bookmarks, source: :account
has_and_belongs_to_many :tags
has_and_belongs_to_many :preview_cards
has_one :preview_cards_status, inverse_of: :status # Because of a composite primary key, the dependent option cannot be used
has_one :notification, as: :activity, dependent: :destroy
has_one :status_stat, inverse_of: :status
has_one :poll, inverse_of: :status, dependent: :destroy
@ -142,24 +142,25 @@ class Status < ApplicationRecord
# The `prepend: true` option below ensures this runs before
# the `dependent: destroy` callbacks remove relevant records
before_destroy :unlink_from_conversations!, prepend: true
before_destroy :reset_preview_card!
cache_associated :application,
:media_attachments,
:conversation,
:status_stat,
:tags,
:preview_cards,
:preloadable_poll,
preview_cards_status: [:preview_card],
account: [:account_stat, user: :role],
active_mentions: { account: :account_stat },
reblog: [
:application,
:tags,
:preview_cards,
:media_attachments,
:conversation,
:status_stat,
:preloadable_poll,
preview_cards_status: [:preview_card],
account: [:account_stat, user: :role],
active_mentions: { account: :account_stat },
],
@ -226,7 +227,11 @@ class Status < ApplicationRecord
end
def preview_card
preview_cards.first
preview_cards_status&.preview_card&.tap { |x| x.original_url = preview_cards_status.url }
end
def reset_preview_card!
PreviewCardsStatus.where(status_id: id).delete_all
end
def hidden?
@ -244,7 +249,7 @@ class Status < ApplicationRecord
end
def with_preview_card?
preview_cards.any?
preview_cards_status.present?
end
def with_poll?

4
app/models/trends/links.rb
View file

@ -54,9 +54,7 @@ class Trends::Links < Trends::Base
!(original_status.account.silenced? || status.account.silenced?) &&
!(original_status.spoiler_text? || original_status.sensitive?)
original_status.preview_cards.each do |preview_card|
add(preview_card, status.account_id, at_time) if preview_card.appropriate_for_trends?
end
add(original_status.preview_card, status.account_id, at_time) if original_status.preview_card&.appropriate_for_trends?
end
def add(preview_card, account_id, at_time = Time.now.utc)

4
app/serializers/rest/preview_card_serializer.rb
View file

@ -8,6 +8,10 @@ class REST::PreviewCardSerializer < ActiveModel::Serializer
:provider_url, :html, :width, :height,
:image, :image_description, :embed_url, :blurhash, :published_at
def url
object.original_url.presence || object.url
end
def image
object.image? ? full_asset_url(object.image.url(:original)) : nil
end

2
app/services/activitypub/process_status_update_service.rb
View file

@ -280,7 +280,7 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
end
def reset_preview_card!
@status.preview_cards.clear
@status.reset_preview_card!
LinkCrawlWorker.perform_in(rand(1..59).seconds, @status.id)
end

6
app/services/fetch_link_card_service.rb
View file

@ -19,7 +19,7 @@ class FetchLinkCardService < BaseService
@status = status
@original_url = parse_urls
return if @original_url.nil? || @status.preview_cards.any?
return if @original_url.nil? || @status.with_preview_card?
@url = @original_url.to_s
@ -62,9 +62,9 @@ class FetchLinkCardService < BaseService
def attach_card
with_redis_lock("attach_card:#{@status.id}") do
return if @status.preview_cards.any?
return if @status.with_preview_card?
@status.preview_cards << @card
PreviewCardsStatus.create(status: @status, preview_card: @card, url: @original_url)
Rails.cache.delete(@status)
Trends.links.register(@status)
end

2
app/services/update_status_service.rb
View file

@ -123,7 +123,7 @@ class UpdateStatusService < BaseService
def reset_preview_card!
return unless @status.text_previously_changed?
@status.preview_cards.clear
@status.reset_preview_card!
LinkCrawlWorker.perform_async(@status.id)
end

7
db/migrate/20231006183200_add_url_to_preview_cards_statuses.rb Normal file
View file

@ -0,0 +1,7 @@
# frozen_string_literal: true
class AddURLToPreviewCardsStatuses < ActiveRecord::Migration[7.0]
def change
add_column :preview_cards_statuses, :url, :string
end
end

3
db/schema.rb
View file

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema[7.0].define(version: 2023_09_07_150100) do
ActiveRecord::Schema[7.0].define(version: 2023_10_06_183200) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -811,6 +811,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_09_07_150100) do
create_table "preview_cards_statuses", primary_key: ["status_id", "preview_card_id"], force: :cascade do |t|
t.bigint "preview_card_id", null: false
t.bigint "status_id", null: false
t.string "url"
end
create_table "relays", force: :cascade do |t|

2
lib/tasks/tests.rake
View file

@ -69,7 +69,7 @@ namespace :tests do
exit(1)
end
unless Status.find(12).preview_cards.pluck(:url) == ['https://joinmastodon.org/']
unless PreviewCard.where(id: PreviewCardsStatus.where(status_id: 12).select(:preview_card_id)).pluck(:url) == ['https://joinmastodon.org/']
puts 'Preview cards not deduplicated as expected'
exit(1)
end

4
spec/helpers/media_component_helper_spec.rb
View file

@ -49,10 +49,12 @@ describe MediaComponentHelper do
end
describe 'render_card_component' do
let(:status) { Fabricate(:status, preview_cards: [Fabricate(:preview_card)]) }
let(:status) { Fabricate(:status) }
let(:result) { helper.render_card_component(status) }
before do
PreviewCardsStatus.create(status: status, preview_card: Fabricate(:preview_card))
without_partial_double_verification do
allow(helper).to receive(:current_account).and_return(status.account)
end

8
spec/services/fetch_link_card_service_spec.rb
View file

@ -120,7 +120,7 @@ RSpec.describe FetchLinkCardService, type: :service do
let(:status) { Fabricate(:status, text: 'Check out http://example.com/sjis') }
it 'decodes the HTML' do
expect(status.preview_cards.first.title).to eq('SJISのページ')
expect(status.preview_card.title).to eq('SJISのページ')
end
end
@ -128,7 +128,7 @@ RSpec.describe FetchLinkCardService, type: :service do
let(:status) { Fabricate(:status, text: 'Check out http://example.com/sjis_with_wrong_charset') }
it 'decodes the HTML despite the wrong charset header' do
expect(status.preview_cards.first.title).to eq('SJISのページ')
expect(status.preview_card.title).to eq('SJISのページ')
end
end
@ -136,7 +136,7 @@ RSpec.describe FetchLinkCardService, type: :service do
let(:status) { Fabricate(:status, text: 'Check out http://example.com/koi8-r') }
it 'decodes the HTML' do
expect(status.preview_cards.first.title).to eq('Московя начинаетъ только въ XVI ст. привлекать внимане иностранцевъ.')
expect(status.preview_card.title).to eq('Московя начинаетъ только въ XVI ст. привлекать внимане иностранцевъ.')
end
end
@ -144,7 +144,7 @@ RSpec.describe FetchLinkCardService, type: :service do
let(:status) { Fabricate(:status, text: 'Check out http://example.com/windows-1251') }
it 'decodes the HTML' do
expect(status.preview_cards.first.title).to eq('сэмпл текст')
expect(status.preview_card.title).to eq('сэмпл текст')
end
end

8
spec/services/update_status_service_spec.rb
View file

@ -23,11 +23,11 @@ RSpec.describe UpdateStatusService, type: :service do
end
context 'when text changes' do
let!(:status) { Fabricate(:status, text: 'Foo') }
let(:status) { Fabricate(:status, text: 'Foo') }
let(:preview_card) { Fabricate(:preview_card) }
before do
status.preview_cards << preview_card
PreviewCardsStatus.create(status: status, preview_card: preview_card)
subject.call(status, status.account_id, text: 'Bar')
end
@ -45,11 +45,11 @@ RSpec.describe UpdateStatusService, type: :service do
end
context 'when content warning changes' do
let!(:status) { Fabricate(:status, text: 'Foo', spoiler_text: '') }
let(:status) { Fabricate(:status, text: 'Foo', spoiler_text: '') }
let(:preview_card) { Fabricate(:preview_card) }
before do
status.preview_cards << preview_card
PreviewCardsStatus.create(status: status, preview_card: preview_card)
subject.call(status, status.account_id, text: 'Foo', spoiler_text: 'Bar')
end