diaspora/app/models/post.rb
2010-07-17 14:09:21 -07:00

84 lines
1.8 KiB
Ruby

class Post
require 'lib/common'
include ApplicationHelper
include MongoMapper::Document
include ROXML
include Diaspora::Webhooks
include Encryptable
xml_accessor :_id
xml_accessor :person, :as => Person
key :person_id, ObjectId
many :comments, :class_name => 'Comment', :foreign_key => :post_id
belongs_to :person, :class_name => 'Person'
cattr_reader :per_page
@@per_page = 10
timestamps!
after_save :send_to_view
after_save :notify_people
before_destroy :propagate_retraction
after_destroy :destroy_comments, :remove_from_view
def self.stream
Post.sort(:created_at.desc).all
end
def self.newest(person = nil)
return self.last if person.nil?
self.first(:person_id => person.id, :order => '_id desc')
end
def self.my_newest
self.newest(User.owner)
end
def self.newest_by_email(email)
self.newest(Person.first(:email => email))
end
#ENCRYPTION
before_validation :sign_if_mine
validates_true_for :creator_signature, :logic => lambda {self.verify_creator_signature}
xml_accessor :creator_signature
key :creator_signature, String
def signable_accessors
accessors = self.class.roxml_attrs.collect{|definition|
definition.accessor}
accessors.delete 'person'
accessors.delete 'creator_signature'
accessors
end
def signable_string
signable_accessors.collect{|accessor|
(self.send accessor.to_sym).to_s}.join ';'
end
protected
def destroy_comments
comments.each{|c| c.destroy}
end
def propagate_retraction
Retraction.for(self).notify_people
end
def send_to_view
SocketsController.new.outgoing(self)
end
def remove_from_view
SocketsController.new.outgoing(Retraction.for(self))
end
end