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Change RSS feeds (#18356)

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* Change RSS feeds

- Use date and time for titles instead of ellipsized text
- Use full content in body, even when there is a content warning
- Use media extensions

* Change feed icons and add width and height attributes to custom emojis

* Fix custom emoji animate on hover breaking

* Fix tests
This commit is contained in:
Eugen Rochko 2022-05-09 07:43:08 +02:00 committed by GitHub
parent f17e73da09
commit 2b8dc58b7f
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19 changed files with 311 additions and 307 deletions
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1
app/controllers/accounts_controller.rb
View File

@ -44,7 +44,6 @@ class AccountsController < ApplicationController
limit = params[:limit].present? ? [params[:limit].to_i, PAGE_SIZE_MAX].min : PAGE_SIZE
@statuses = filtered_statuses.without_reblogs.limit(limit)
@statuses = cache_collection(@statuses, Status)
render xml: RSS::AccountSerializer.render(@account, @statuses, params[:tag])
end
format.json do

1
app/controllers/tags_controller.rb
View File

@ -26,7 +26,6 @@ class TagsController < ApplicationController
format.rss do
expires_in 0, public: true
render xml: RSS::TagSerializer.render(@tag, @statuses)
end
format.json do

4
app/helpers/application_helper.rb
View File

@ -243,7 +243,7 @@ module ApplicationHelper
end.values
end
def prerender_custom_emojis(html, custom_emojis)
EmojiFormatter.new(html, custom_emojis, animate: prefers_autoplay?).to_s
def prerender_custom_emojis(html, custom_emojis, other_options = {})
EmojiFormatter.new(html, custom_emojis, other_options.merge(animate: prefers_autoplay?)).to_s
end
end

26
app/helpers/formatting_helper.rb
View File

@ -18,6 +18,32 @@ module FormattingHelper
html_aware_format(status.text, status.local?, preloaded_accounts: [status.account] + (status.respond_to?(:active_mentions) ? status.active_mentions.map(&:account) : []))
end
def rss_status_content_format(status)
html = status_content_format(status)
before_html = begin
if status.spoiler_text?
"<p><strong>#{I18n.t('rss.content_warning', locale: valid_locale_or_nil(status.language))}</strong> #{h(status.spoiler_text)}</p><hr />"
else
''
end
end.html_safe # rubocop:disable Rails/OutputSafety
after_html = begin
if status.preloadable_poll
"<p>#{status.preloadable_poll.options.map { |o| "<input type=#{status.preloadable_poll.multiple? ? 'checkbox' : 'radio'} disabled /> #{h(o)}" }.join('<br />')}</p>"
else
''
end
end.html_safe # rubocop:disable Rails/OutputSafety
prerender_custom_emojis(
safe_join([before_html, html, after_html]),
status.emojis,
style: 'width: 1.1em; height: 1.1em; object-fit: contain; vertical-align: middle; margin: -.2ex .15em .2ex'
).to_str
end
def account_bio_format(account)
html_aware_format(account.note, account.local?)
end

28
app/lib/emoji_formatter.rb
View File

@ -11,6 +11,7 @@ class EmojiFormatter
# @param [Array<CustomEmoji>] custom_emojis
# @param [Hash] options
# @option options [Boolean] :animate
# @option options [String] :style
def initialize(html, custom_emojis, options = {})
raise ArgumentError unless html.html_safe?
@ -85,14 +86,29 @@ class EmojiFormatter
def image_for_emoji(shortcode, emoji)
original_url, static_url = emoji
if animate?
image_tag(original_url, draggable: false, class: 'emojione', alt: ":#{shortcode}:", title: ":#{shortcode}:")
else
image_tag(original_url, draggable: false, class: 'emojione custom-emoji', alt: ":#{shortcode}:", title: ":#{shortcode}:", data: { original: original_url, static: static_url })
end
image_tag(
animate? ? original_url : static_url,
image_attributes.merge(alt: ":#{shortcode}:", title: ":#{shortcode}:", data: image_data_attributes(original_url, static_url))
)
end
def image_attributes
{ rel: 'emoji', draggable: false, width: 16, height: 16, class: image_class_names, style: image_style }
end
def image_data_attributes(original_url, static_url)
{ original: original_url, static: static_url } unless animate?
end
def image_class_names
animate? ? 'emojione' : 'emojione custom-emoji'
end
def image_style
@options[:style]
end
def animate?
@options[:animate]
@options[:animate] || @options.key?(:style)
end
end

33
app/lib/rss/builder.rb Normal file
View File

@ -0,0 +1,33 @@
# frozen_string_literal: true
class RSS::Builder
attr_reader :dsl
def self.build
new.tap do |builder|
yield builder.dsl
end.to_xml
end
def initialize
@dsl = RSS::Channel.new
end
def to_xml
('<?xml version="1.0" encoding="UTF-8"?>'.dup << Ox.dump(wrap_in_document, effort: :tolerant)).force_encoding('UTF-8')
end
private
def wrap_in_document
Ox::Document.new(version: '1.0').tap do |document|
document << Ox::Element.new('rss').tap do |rss|
rss['version'] = '2.0'
rss['xmlns:webfeeds'] = 'http://webfeeds.org/rss/1.0'
rss['xmlns:media'] = 'http://search.yahoo.com/mrss/'
rss << @dsl.to_element
end
end
end
end

49
app/lib/rss/channel.rb Normal file
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@ -0,0 +1,49 @@
# frozen_string_literal: true
class RSS::Channel < RSS::Element
def initialize
super()
@root = create_element('channel')
end
def title(str)
append_element('title', str)
end
def link(str)
append_element('link', str)
end
def last_build_date(date)
append_element('lastBuildDate', date.to_formatted_s(:rfc822))
end
def image(url, title, link)
append_element('image') do |image|
image << create_element('url', url)
image << create_element('title', title)
image << create_element('link', link)
end
end
def description(str)
append_element('description', str)
end
def generator(str)
append_element('generator', str)
end
def icon(str)
append_element('webfeeds:icon', str)
end
def logo(str)
append_element('webfeeds:logo', str)
end
def item(&block)
@root << RSS::Item.with(&block)
end
end

24
app/lib/rss/element.rb Normal file
View File

@ -0,0 +1,24 @@
# frozen_string_literal: true
class RSS::Element
def self.with(*args, &block)
new(*args).tap(&block).to_element
end
def create_element(name, content = nil)
Ox::Element.new(name).tap do |element|
yield element if block_given?
element << content if content.present?
end
end
def append_element(name, content = nil)
@root << create_element(name, content).tap do |element|
yield element if block_given?
end
end
def to_element
@root
end
end

45
app/lib/rss/item.rb Normal file
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@ -0,0 +1,45 @@
# frozen_string_literal: true
class RSS::Item < RSS::Element
def initialize
super()
@root = create_element('item')
end
def title(str)
append_element('title', str)
end
def link(str)
append_element('guid', str) do |guid|
guid['isPermaLink'] = 'true'
end
append_element('link', str)
end
def pub_date(date)
append_element('pubDate', date.to_formatted_s(:rfc822))
end
def description(str)
append_element('description', str)
end
def category(str)
append_element('category', str)
end
def enclosure(url, type, size)
append_element('enclosure') do |enclosure|
enclosure['url'] = url
enclosure['length'] = size
enclosure['type'] = type
end
end
def media_content(url, type, size, &block)
@root << RSS::MediaContent.with(url, type, size, &block)
end
end

29
app/lib/rss/media_content.rb Normal file
View File

@ -0,0 +1,29 @@
# frozen_string_literal: true
class RSS::MediaContent < RSS::Element
def initialize(url, type, size)
super()
@root = create_element('media:content') do |content|
content['url'] = url
content['type'] = type
content['fileSize'] = size
end
end
def medium(str)
@root['medium'] = str
end
def rating(str)
append_element('media:rating', str) do |rating|
rating['scheme'] = 'urn:simple'
end
end
def description(str)
append_element('media:description', str) do |description|
description['type'] = 'plain'
end
end
end

55
app/lib/rss/serializer.rb
View File

@ -1,55 +0,0 @@
# frozen_string_literal: true
class RSS::Serializer
include FormattingHelper
private
def render_statuses(builder, statuses)
statuses.each do |status|
builder.item do |item|
item.title(status_title(status))
.link(ActivityPub::TagManager.instance.url_for(status))
.pub_date(status.created_at)
.description(status_description(status))
status.ordered_media_attachments.each do |media|
item.enclosure(full_asset_url(media.file.url(:original, false)), media.file.content_type, media.file.size)
end
end
end
end
def status_title(status)
preview = status.proper.spoiler_text.presence || status.proper.text
if preview.length > 30 || preview[0, 30].include?("\n")
preview = preview[0, 30]
preview = preview[0, preview.index("\n").presence || 30] + '…'
end
preview = "#{status.proper.spoiler_text.present? ? 'CW ' : ''}“#{preview}”#{status.proper.sensitive? ? ' (sensitive)' : ''}"
if status.reblog?
"#{status.account.acct} boosted #{status.reblog.account.acct}: #{preview}"
else
"#{status.account.acct}: #{preview}"
end
end
def status_description(status)
if status.proper.spoiler_text?
status.proper.spoiler_text
else
html = status_content_format(status.proper).to_str
after_html = ''
if status.proper.preloadable_poll
poll_options_html = status.proper.preloadable_poll.options.map { |o| "[ ] #{o}" }.join('<br />')
after_html = "<p>#{poll_options_html}</p>"
end
"#{html}#{after_html}"
end
end
end

130
app/lib/rss_builder.rb
View File

@ -1,130 +0,0 @@
# frozen_string_literal: true
class RSSBuilder
class ItemBuilder
def initialize
@item = Ox::Element.new('item')
end
def title(str)
@item << (Ox::Element.new('title') << str)
self
end
def link(str)
@item << Ox::Element.new('guid').tap do |guid|
guid['isPermalink'] = 'true'
guid << str
end
@item << (Ox::Element.new('link') << str)
self
end
def pub_date(date)
@item << (Ox::Element.new('pubDate') << date.to_formatted_s(:rfc822))
self
end
def description(str)
@item << (Ox::Element.new('description') << str)
self
end
def enclosure(url, type, size)
@item << Ox::Element.new('enclosure').tap do |enclosure|
enclosure['url'] = url
enclosure['length'] = size
enclosure['type'] = type
end
self
end
def to_element
@item
end
end
def initialize
@document = Ox::Document.new(version: '1.0')
@channel = Ox::Element.new('channel')
@document << (rss << @channel)
end
def title(str)
@channel << (Ox::Element.new('title') << str)
self
end
def link(str)
@channel << (Ox::Element.new('link') << str)
self
end
def image(str)
@channel << Ox::Element.new('image').tap do |image|
image << (Ox::Element.new('url') << str)
image << (Ox::Element.new('title') << '')
image << (Ox::Element.new('link') << '')
end
@channel << (Ox::Element.new('webfeeds:icon') << str)
self
end
def cover(str)
@channel << Ox::Element.new('webfeeds:cover').tap do |cover|
cover['image'] = str
end
self
end
def logo(str)
@channel << (Ox::Element.new('webfeeds:logo') << str)
self
end
def accent_color(str)
@channel << (Ox::Element.new('webfeeds:accentColor') << str)
self
end
def description(str)
@channel << (Ox::Element.new('description') << str)
self
end
def item
@channel << ItemBuilder.new.tap do |item|
yield item
end.to_element
self
end
def to_xml
('<?xml version="1.0" encoding="UTF-8"?>' + Ox.dump(@document, effort: :tolerant)).force_encoding('UTF-8')
end
private
def rss
Ox::Element.new('rss').tap do |rss|
rss['version'] = '2.0'
rss['xmlns:webfeeds'] = 'http://webfeeds.org/rss/1.0'
end
end
end

28
app/serializers/rss/account_serializer.rb
View File

@ -1,28 +0,0 @@
# frozen_string_literal: true
class RSS::AccountSerializer < RSS::Serializer
include ActionView::Helpers::NumberHelper
include AccountsHelper
include RoutingHelper
def render(account, statuses, tag)
builder = RSSBuilder.new
builder.title("#{display_name(account)} (@#{account.local_username_and_domain})")
.description(account_description(account))
.link(tag.present? ? short_account_tag_url(account, tag) : short_account_url(account))
.logo(full_pack_url('media/images/logo.svg'))
.accent_color('2b90d9')
builder.image(full_asset_url(account.avatar.url(:original))) if account.avatar?
builder.cover(full_asset_url(account.header.url(:original))) if account.header?
render_statuses(builder, statuses)
builder.to_xml
end
def self.render(account, statuses, tag)
new.render(account, statuses, tag)
end
end

25
app/serializers/rss/tag_serializer.rb
View File

@ -1,25 +0,0 @@
# frozen_string_literal: true
class RSS::TagSerializer < RSS::Serializer
include ActionView::Helpers::NumberHelper
include ActionView::Helpers::SanitizeHelper
include RoutingHelper
def render(tag, statuses)
builder = RSSBuilder.new
builder.title("##{tag.name}")
.description(strip_tags(I18n.t('about.about_hashtag_html', hashtag: tag.name)))
.link(tag_url(tag))
.logo(full_pack_url('media/images/logo.svg'))
.accent_color('2b90d9')
render_statuses(builder, statuses)
builder.to_xml
end
def self.render(tag, statuses)
new.render(tag, statuses)
end
end

37
app/views/accounts/show.rss.ruby Normal file
View File

@ -0,0 +1,37 @@
RSS::Builder.build do |doc|
doc.title(display_name(@account))
doc.description(I18n.t('rss.descriptions.account', acct: @account.local_username_and_domain))
doc.link(params[:tag].present? ? short_account_tag_url(@account, params[:tag]) : short_account_url(@account))
doc.image(full_asset_url(@account.avatar.url(:original)), display_name(@account), params[:tag].present? ? short_account_tag_url(@account, params[:tag]) : short_account_url(@account))
doc.last_build_date(@statuses.first.created_at) if @statuses.any?
doc.icon(full_asset_url(@account.avatar.url(:original)))
doc.logo(full_pack_url('media/images/logo_transparent_white.svg'))
doc.generator("Mastodon v#{Mastodon::Version.to_s}")
@statuses.each do |status|
doc.item do |item|
item.title(l(status.created_at))
item.link(ActivityPub::TagManager.instance.url_for(status))
item.pub_date(status.created_at)
item.description(rss_status_content_format(status))
if status.ordered_media_attachments.first&.audio?
media = status.ordered_media_attachments.first
item.enclosure(full_asset_url(media.file.url(:original, false)), media.file.content_type, media.file.size)
end
status.ordered_media_attachments.each do |media|
item.media_content(full_asset_url(media.file.url(:original, false)), media.file.content_type, media.file.size) do |media_content|
media_content.medium(media.gifv? ? 'image' : media.type.to_s)
media_content.rating(status.sensitive? ? 'adult' : 'nonadult')
media_content.description(media.description) if media.description.present?
media_content.thumbnail(media.thumbnail.url(:original, false)) if media.thumbnail?
end
end
status.tags.each do |tag|
item.category(tag.name)
end
end
end
end

36
app/views/tags/show.rss.ruby Normal file
View File

@ -0,0 +1,36 @@
RSS::Builder.build do |doc|
doc.title("##{@tag.name}")
doc.description(I18n.t('rss.descriptions.tag', hashtag: @tag.name))
doc.link(tag_url(@tag))
doc.last_build_date(@statuses.first.created_at) if @statuses.any?
doc.icon(full_asset_url(@account.avatar.url(:original)))
doc.logo(full_pack_url('media/images/logo_transparent_white.svg'))
doc.generator("Mastodon v#{Mastodon::Version.to_s}")
@statuses.each do |status|
doc.item do |item|
item.title(l(status.created_at))
item.link(ActivityPub::TagManager.instance.url_for(status))
item.pub_date(status.created_at)
item.description(rss_status_content_format(status))
if status.ordered_media_attachments.first&.audio?
media = status.ordered_media_attachments.first
item.enclosure(full_asset_url(media.file.url(:original, false)), media.file.content_type, media.file.size)
end
status.ordered_media_attachments.each do |media|
item.media_content(full_asset_url(media.file.url(:original, false)), media.file.content_type, media.file.size) do |media_content|
media_content.medium(media.gifv? ? 'image' : media.type.to_s)
media_content.rating(status.sensitive? ? 'adult' : 'nonadult')
media_content.description(media.description) if media.description.present?
media_content.thumbnail(media.thumbnail.url(:original, false)) if media.thumbnail?
end
end
status.tags.each do |tag|
item.category(tag.name)
end
end
end
end

5
config/locales/en.yml
View File

@ -1357,6 +1357,11 @@ en:
reports:
errors:
invalid_rules: does not reference valid rules
rss:
content_warning: 'Content warning:'
descriptions:
account: Public posts from @%{acct}
tag: 'Public posts tagged #%{hashtag}'
scheduled_statuses:
over_daily_limit: You have exceeded the limit of %{limit} scheduled posts for today
over_total_limit: You have exceeded the limit of %{limit} scheduled posts

6
spec/lib/emoji_formatter_spec.rb
View File

@ -24,7 +24,7 @@ RSpec.describe EmojiFormatter do
let(:text) { preformat_text(':coolcat: Beep boop') }
it 'converts the shortcode to an image tag' do
is_expected.to match(/<img draggable="false" class="emojione custom-emoji" alt=":coolcat:"/)
is_expected.to match(/<img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
end
end
@ -32,7 +32,7 @@ RSpec.describe EmojiFormatter do
let(:text) { preformat_text('Beep :coolcat: boop') }
it 'converts the shortcode to an image tag' do
is_expected.to match(/Beep <img draggable="false" class="emojione custom-emoji" alt=":coolcat:"/)
is_expected.to match(/Beep <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
end
end
@ -48,7 +48,7 @@ RSpec.describe EmojiFormatter do
let(:text) { preformat_text('Beep boop :coolcat:') }
it 'converts the shortcode to an image tag' do
is_expected.to match(/boop <img draggable="false" class="emojione custom-emoji" alt=":coolcat:"/)
is_expected.to match(/boop <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
end
end
end

56
spec/lib/rss/serializer_spec.rb
View File

@ -1,56 +0,0 @@
# frozen_string_literal: true
require 'rails_helper'
describe RSS::Serializer do
describe '#status_title' do
let(:text) { 'This is a toot' }
let(:spoiler) { '' }
let(:sensitive) { false }
let(:reblog) { nil }
let(:account) { Fabricate(:account) }
let(:status) { Fabricate(:status, account: account, text: text, spoiler_text: spoiler, sensitive: sensitive, reblog: reblog) }
subject { RSS::Serializer.new.send(:status_title, status) }
context 'on a toot with long text' do
let(:text) { "This toot's text is longer than the allowed number of characters" }
it 'truncates toot text appropriately' do
expect(subject).to eq "#{account.acct}: “This toot's text is longer tha…”"
end
end
context 'on a toot with long text with a newline' do
let(:text) { "This toot's text is longer\nthan the allowed number of characters" }
it 'truncates toot text appropriately' do
expect(subject).to eq "#{account.acct}: “This toot's text is longer…”"
end
end
context 'on a toot with a content warning' do
let(:spoiler) { 'long toot' }
it 'displays spoiler text instead of toot content' do
expect(subject).to eq "#{account.acct}: CW “long toot”"
end
end
context 'on a toot with sensitive media' do
let(:sensitive) { true }
it 'displays that the media is sensitive' do
expect(subject).to eq "#{account.acct}: “This is a toot” (sensitive)"
end
end
context 'on a reblog' do
let(:reblog) { Fabricate(:status, text: 'This is a toot') }
it 'display that the toot is a reblog' do
expect(subject).to eq "#{account.acct} boosted #{reblog.account.acct}: “This is a toot”"
end
end
end
end