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-rw-r--r--app/lib/emoji_formatter.rb28
-rw-r--r--app/lib/rss/builder.rb33
-rw-r--r--app/lib/rss/channel.rb49
-rw-r--r--app/lib/rss/element.rb24
-rw-r--r--app/lib/rss/item.rb45
-rw-r--r--app/lib/rss/media_content.rb29
-rw-r--r--app/lib/rss/serializer.rb55
-rw-r--r--app/lib/rss_builder.rb130
8 files changed, 202 insertions, 191 deletions
diff --git a/app/lib/emoji_formatter.rb b/app/lib/emoji_formatter.rb
index f808f3a22..194849c23 100644
--- a/app/lib/emoji_formatter.rb
+++ b/app/lib/emoji_formatter.rb
@@ -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
diff --git a/app/lib/rss/builder.rb b/app/lib/rss/builder.rb
new file mode 100644
index 000000000..a9b3f08c5
--- /dev/null
+++ b/app/lib/rss/builder.rb
@@ -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
diff --git a/app/lib/rss/channel.rb b/app/lib/rss/channel.rb
new file mode 100644
index 000000000..1dba94e47
--- /dev/null
+++ b/app/lib/rss/channel.rb
@@ -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
diff --git a/app/lib/rss/element.rb b/app/lib/rss/element.rb
new file mode 100644
index 000000000..7142fa039
--- /dev/null
+++ b/app/lib/rss/element.rb
@@ -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
diff --git a/app/lib/rss/item.rb b/app/lib/rss/item.rb
new file mode 100644
index 000000000..c02991ace
--- /dev/null
+++ b/app/lib/rss/item.rb
@@ -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
diff --git a/app/lib/rss/media_content.rb b/app/lib/rss/media_content.rb
new file mode 100644
index 000000000..7aefd8b40
--- /dev/null
+++ b/app/lib/rss/media_content.rb
@@ -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
diff --git a/app/lib/rss/serializer.rb b/app/lib/rss/serializer.rb
deleted file mode 100644
index d44e94221..000000000
--- a/app/lib/rss/serializer.rb
+++ /dev/null
@@ -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
diff --git a/app/lib/rss_builder.rb b/app/lib/rss_builder.rb
deleted file mode 100644
index 63ddba2e8..000000000
--- a/app/lib/rss_builder.rb
+++ /dev/null
@@ -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
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