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mastodon/app/lib/rss_builder.rb

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2.3 KiB
Ruby
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# 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