Class: Lotus::Atom::Entry

Inherits:
Atom::Entry
  • Object
show all
Includes:
Atom::SimpleExtensions
Defined in:
lib/lotus/atom/entry.rb

Constant Summary collapse

THREAD_NAMESPACE =

The XML namespace that identifies the conforming specification of ‘thr’ elements.

"http://purl.org/syndication/thread/1.0"
ACTIVITY_NAMESPACE =

The XML namespace that identifies the conforming specification.

'http://activitystrea.ms/spec/1.0/'
SCHEMA_ROOT =

The XML schema that identifies the conforming schema for objects.

'http://activitystrea.ms/schema/1.0/'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_canonical(obj) ⇒ Object 



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# File 'lib/lotus/atom/entry.rb', line 74

def self.from_canonical(obj)
  entry_hash = obj.to_hash

  # Ensure that the content type is encoded.
  node = XML::Node.new("content")
  node['type'] = entry_hash[:content_type] if entry_hash[:content_type]
  node << entry_hash[:content]

  xml = XML::Reader.string(node.to_s)
  xml.read
  entry_hash[:content] = ::Atom::Content.parse(xml)
  entry_hash.delete :content_type

  if entry_hash[:source]
    entry_hash[:source] = Lotus::Atom::Source.from_canonical(entry_hash[:source])
  end

  if entry_hash[:actor]
    entry_hash[:author] = Lotus::Atom::Author.from_canonical(entry_hash[:actor])
  end
  entry_hash.delete :actor

  # Encode in-reply-to fields
  entry_hash[:thr_in_reply_to] = entry_hash[:in_reply_to].map do |t|
    Lotus::Atom::Thread.new(:href => t.url,
                              :ref  => t.id)
  end
  entry_hash.delete :in_reply_to

  entry_hash[:links] ||= []

  if entry_hash[:url]
    entry_hash[:links] << ::Atom::Link.new(:rel => "self", :href => entry_hash[:url])
  end
  entry_hash.delete :url

  object_type = entry_hash[:type]
  if object_type
    entry_hash[:activity_object_type] = SCHEMA_ROOT + object_type.to_s
  end
  entry_hash[:activity_object] = entry_hash[:object] if entry_hash[:object]
  if entry_hash[:verb]
    entry_hash[:activity_verb] = SCHEMA_ROOT + entry_hash[:verb].to_s
  end
  entry_hash[:activity_target] = entry_hash[:target] if entry_hash[:target]

  entry_hash.delete :object
  entry_hash.delete :verb
  entry_hash.delete :target
  entry_hash.delete :type

  self.new(entry_hash)
end

Instance Method Details



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# File 'lib/lotus/atom/entry.rb', line 66

def link
  links.group_by { |l| l.rel.intern if l.rel }
end

#link=(options) ⇒ Object 



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# File 'lib/lotus/atom/entry.rb', line 70

def link= options
  links.clear << ::Atom::Link.new(options)
end

#to_canonical ⇒ Object 



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# File 'lib/lotus/atom/entry.rb', line 128

def to_canonical
  # Reform the activity type
  # TODO: Add new Base schema verbs
  object_type = self.activity_object_type
  if object_type && object_type.start_with?(SCHEMA_ROOT)
    object_type.gsub!(/^#{Regexp.escape(SCHEMA_ROOT)}/, "")
  end

  object = nil
  object = self.activity_object.to_canonical if self.activity_object

  source = self.source
  source = source.to_canonical if source
  Lotus::Activity.new(:actor        => self.author ? self.author.to_canonical : nil,
                      :id           => self.id,
                      :url          => self.url,
                      :title        => self.title,
                      :source       => source,
                      :in_reply_to  => self.thr_in_reply_to.map(&:to_canonical),
                      :content      => self.content.to_s,
                      :content_type => self.content.type,
                      :link         => self.link,
                      :object       => object,
                      :type         => object_type,
                      :verb         => self.activity_verb,
                      :target       => self.activity_target,
                      :published    => self.published,
                      :updated      => self.updated)
end

#url ⇒ Object 



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# File 'lib/lotus/atom/entry.rb', line 54

def url
  if links.alternate
    links.alternate.href
  elsif links.self
    links.self.href
  else
    links.map.each do |l|
      l.href
    end.compact.first
  end
end