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module AtomBuilderHelper
def stream_updated_at
@account.stream_entries.last ? (@account.updated_at > @account.stream_entries.last.created_at ? @account.updated_at : @account.stream_entries.last.created_at) : @account.updated_at
end
def entry(xml, is_root = false, &block)
if is_root
root_tag(xml, :entry, &block)
else
xml.entry(&block)
end
end
def feed(xml, &block)
root_tag(xml, :feed, &block)
end
def unique_id(xml, date, id, type)
xml.id_ unique_tag(date, id, type)
end
def simple_id(xml, id)
xml.id_ id
end
def published_at(xml, date)
xml.published date.iso8601
end
def updated_at(xml, date)
xml.updated date.iso8601
end
def verb(xml, verb)
xml['activity'].send('verb', "http://activitystrea.ms/schema/1.0/#{verb}")
end
def content(xml, content)
xml.content({ type: 'html' }, content) unless content.blank?
end
def title(xml, title)
xml.title strip_tags(title || '').truncate(80)
end
def author(xml, &block)
xml.author(&block)
end
def target(xml, &block)
xml['activity'].object(&block)
end
def object_type(xml, type)
xml['activity'].send('object-type', "http://activitystrea.ms/schema/1.0/#{type}")
end
def uri(xml, uri)
xml.uri uri
end
def name(xml, name)
xml.name name
end
def summary(xml, summary)
xml.summary(summary) unless summary.blank?
end
def subtitle(xml, subtitle)
xml.subtitle(subtitle) unless subtitle.blank?
end
def link_alternate(xml, url)
xml.link(rel: 'alternate', type: 'text/html', href: url)
end
def link_self(xml, url)
xml.link(rel: 'self', type: 'application/atom+xml', href: url)
end
def link_hub(xml, url)
xml.link(rel: 'hub', href: url)
end
def link_salmon(xml, url)
xml.link(rel: 'salmon', href: url)
end
def portable_contact(xml, account)
xml['poco'].preferredUsername account.username
xml['poco'].displayName(account.display_name) unless account.display_name.blank?
xml['poco'].note(account.note) unless account.note.blank?
end
def in_reply_to(xml, uri, url)
xml['thr'].send('in-reply-to', { ref: uri, href: url, type: 'text/html' })
end
def uri_for_target(target)
if target.local?
if target.object_type == :person
account_url(target)
else
unique_tag(target.stream_entry.created_at, target.stream_entry.activity_id, target.stream_entry.activity_type)
end
else
target.uri
end
end
def url_for_target(target)
if target.local?
if target.object_type == :person
account_url(target)
else
account_stream_entry_url(target.account, target.stream_entry)
end
else
target.url
end
end
def link_mention(xml, account)
xml.link(rel: 'mentioned', href: uri_for_target(account))
end
def link_avatar(xml, account)
single_link_avatar(xml, account, :large, 300)
single_link_avatar(xml, account, :medium, 96)
single_link_avatar(xml, account, :small, 48)
end
def logo(xml, url)
xml.logo url
end
def email(xml, email)
xml.email email
end
def conditionally_formatted(activity)
if activity.is_a?(Status)
content_for_status(activity.reblog? ? activity.reblog : activity)
elsif activity.nil?
nil
else
activity.content
end
end
def include_author(xml, account)
object_type xml, :person
uri xml, url_for_target(account)
name xml, account.username
email xml, account.local? ? "#{account.acct}@#{Rails.configuration.x.local_domain}" : account.acct
summary xml, account.note
link_alternate xml, url_for_target(account)
link_avatar xml, account
portable_contact xml, account
end
def include_entry(xml, stream_entry)
unique_id xml, stream_entry.created_at, stream_entry.activity_id, stream_entry.activity_type
published_at xml, stream_entry.created_at
updated_at xml, stream_entry.updated_at
title xml, stream_entry.title
content xml, conditionally_formatted(stream_entry.activity)
verb xml, stream_entry.verb
link_self xml, account_stream_entry_url(stream_entry.account, stream_entry, format: 'atom')
link_alternate xml, account_stream_entry_url(stream_entry.account, stream_entry)
# Comments need thread element
if stream_entry.threaded?
in_reply_to xml, uri_for_target(stream_entry.thread), url_for_target(stream_entry.thread)
end
if stream_entry.targeted?
target(xml) do
if stream_entry.target.object_type == :person
include_author xml, stream_entry.target
else
object_type xml, stream_entry.target.object_type
simple_id xml, uri_for_target(stream_entry.target)
title xml, stream_entry.target.title
link_alternate xml, url_for_target(stream_entry.target)
end
# Statuses have content and author
if [:note, :comment].include? stream_entry.target.object_type
content xml, conditionally_formatted(stream_entry.target)
verb xml, stream_entry.target.verb
published_at xml, stream_entry.target.created_at
updated_at xml, stream_entry.target.updated_at
author(xml) do
include_author xml, stream_entry.target.account
end
end
end
else
object_type xml, stream_entry.object_type
end
stream_entry.mentions.each do |mentioned|
link_mention xml, mentioned
end
end
private
def root_tag(xml, tag, &block)
xml.send(tag, { :xmlns => 'http://www.w3.org/2005/Atom', 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0', 'xmlns:activity' => 'http://activitystrea.ms/spec/1.0/', 'xmlns:poco' => 'http://portablecontacts.net/spec/1.0', 'xmlns:media' => 'http://purl.org/syndication/atommedia' }, &block)
end
def single_link_avatar(xml, account, size, px)
xml.link('rel' => 'avatar', 'type' => account.avatar_content_type, 'media:width' => px, 'media:height' =>px, 'href' => asset_url(account.avatar.url(size, false)))
end
end
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