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class Reshare < Post
belongs_to :root, :class_name => 'Post'
validate :root_must_be_public
attr_accessible :root_id, :public
validates_presence_of :root, :on => :create
xml_attr :root_diaspora_id
xml_attr :root_guid
before_validation do
self.public = true
end
def root_guid
self.root.guid
end
def root_diaspora_id
self.root.author.diaspora_handle
end
def receive(user, person)
local_reshare = Reshare.where(:guid => self.guid).first
if local_reshare && local_reshare.root.author_id == user.person.id
local_reshare.root.reshares << local_reshare
if user.contact_for(person)
local_reshare.receive(user, person)
end
else
super(user, person)
end
end
private
def after_parse
root_author = Webfinger.new(@root_diaspora_id).fetch
root_author.save!
local_post = Post.where(:guid => @root_guid).select('id').first
unless local_post && self.root_id = local_post.id
response = Faraday.get(root_author.url + "/p/#{@root_guid}.xml")
received_post = Diaspora::Parser.from_xml(response.body)
unless post = received_post.class.where(:guid => received_post.guid).first
post = received_post
if root_author.diaspora_handle != post.diaspora_handle
raise "Diaspora ID (#{post.diaspora_handle}) in the root does not match the Diaspora ID (#{root_author.diaspora_handle}) specified in the reshare!"
end
post.author_id = root_author.id
post.save!
end
self.root_id = post.id
end
end
def root_must_be_public
if self.root && !self.root.public
errors[:base] << "you must reshare public posts"
return false
end
end
end
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