diaspora/lib/diaspora/ostatus_builder.rb
2010-10-07 16:25:34 -07:00

80 lines
2.3 KiB
Ruby

# Copyright (c) 2010, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
module Diaspora
class Director
def initialize
@structure = [:create_headers, :create_endpoints, :create_subject,
:create_body, :create_footer]
end
def build(builder)
@structure.inject("") do |xml, method|
xml << builder.send(method) if builder.respond_to? method
end
end
end
class OstatusBuilder
def initialize(user)
@user = user
end
def create_headers
<<-XML
<?xml version="1.0" encoding="UTF-8"?>
<feed xml:lang="en-US" xmlns="http://www.w3.org/2005/Atom" xmlns:thr="http://purl.org/syndication/thread/1.0" xmlns:georss="http://www.georss.org/georss" xmlns:activity="http://activitystrea.ms/spec/1.0/" xmlns:media="http://purl.org/syndication/atommedia" xmlns:poco="http://portablecontacts.net/spec/1.0" xmlns:ostatus="http://ostatus.org/schema/1.0" xmlns:statusnet="http://status.net/schema/api/1/">
<generator uri="http://joindiaspora.com/">Diaspora</generator>
<id>#{@user.public_url}.atom</id>
<title>#{@user.real_name}'s Public Feed</title>
<subtitle>Posts from Diaspora</subtitle>
<updated>#{Time.now.xmlschema}</updated>
<author>
<name>#{@user.real_name}</name>
<uri>#{@user.public_url}</uri>
</author>
XML
end
def create_endpoints
<<-XML
<link href="#{APP_CONFIG[:pubsub_server]}" rel="hub"/>
<link href="#{@user.public_url}.atom" rel="self" type="application/atom+xml"/>
XML
end
def create_subject
<<-XML
<activity:subject>
<activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
<id>#{@user.public_url}</id>
<title>#{@user.real_name}</title>
<link rel="alternative" type="text/html" href="#{@user.public_url}"/>
<link rel="avatar" type="image/jpeg" media:width="100" media:height="100" href="#{@user.profile.image_url}"/>
</activity:subject>
XML
end
def create_body
@user.visible_posts(:person_id => @user.person.id, :public=>true).inject("") do |xml,curr|
if curr.respond_to?(:to_activity)
unless xml
curr.to_activity
else
xml + curr.to_activity
end
end
end
end
def create_footer
<<-XML
</feed>
XML
end
end
end