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# File 'lib/uploadify_rails/models/parent.rb', line 25
def build_attributes_from_params(params, user, session_id)
parent_class_singular = self.class.to_s.singularize.downcase
relation_name = uploadify_options[:relations].first.to_s
relation_singular = relation_name.singularize
relation_model = relation_singular.classify.constantize
params[parent_class_singular].delete("#{relation_name}_attributes")
self.attributes = params[parent_class_singular]
self.user_id = user ? user.id : nil
self.session_id = session_id
object_ids = params["#{relation_singular}_ids"]
if object_ids && !object_ids.blank?
checked_object_ids = []
object_ids.first.values.each do |object_id|
object = relation_model.find_by_id(object_id)
if object
if (object.session_id == session_id ||(user && user.id == object.user_id))
checked_object_ids << object_id
object.update_attribute(:user_id, user.id) if user
end
end
end
self.send("#{relation_singular}_ids=", checked_object_ids)
end
end
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