75 lines
1.9 KiB
Ruby
75 lines
1.9 KiB
Ruby
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!
|
|
|
|
if local_post = Post.where(:guid => @root_guid).select('id').first
|
|
self.root_id = local_post.id
|
|
return
|
|
else
|
|
fetched_post = self.class.fetch_post(root_author, @root_guid)
|
|
|
|
if root_author.diaspora_handle != fetched_post.diaspora_handle
|
|
raise "Diaspora ID (#{fetched_post.diaspora_handle}) in the root does not match the Diaspora ID (#{root_author.diaspora_handle}) specified in the reshare!"
|
|
end
|
|
|
|
fetched_post.author_id = root_author.id
|
|
fetched_post.save!
|
|
|
|
self.root_id = fetched_post.id
|
|
end
|
|
end
|
|
|
|
# Fetch a remote public post, used for receiving reshares of unknown posts
|
|
# @param [Person] author the remote post's author
|
|
# @param [String] guid the remote post's guid
|
|
# @return [Post] an unsaved remote post
|
|
def self.fetch_post author, guid
|
|
response = Faraday.get(author.url + "/p/#{guid}.xml")
|
|
Diaspora::Parser.from_xml(response.body)
|
|
end
|
|
|
|
def root_must_be_public
|
|
if self.root && !self.root.public
|
|
errors[:base] << "you must reshare public posts"
|
|
return false
|
|
end
|
|
end
|
|
end
|