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class Poll < ActiveRecord::Base
include Diaspora::Federated::Base
include Diaspora::Fields::Guid
belongs_to :status_message
has_many :poll_answers, -> { order 'id ASC' }
has_many :poll_participations
has_one :author, through: :status_message
#forward some requests to status message, because a poll is just attached to a status message and is not sharable itself
delegate :author_id, :diaspora_handle, :public?, :subscribers, to: :status_message
validate :enough_poll_answers
validates :question, presence: true
self.include_root_in_json = false
def enough_poll_answers
errors.add(:poll_answers, I18n.t("activerecord.errors.models.poll.attributes.poll_answers.not_enough_poll_answers")) if poll_answers.size < 2
end
def as_json(options={})
{
:poll_id => self.id,
:post_id => self.status_message.id,
:question => self.question,
:poll_answers => self.poll_answers,
:participation_count => self.participation_count,
}
end
def participation_count
poll_answers.sum("vote_count")
end
def already_participated?(user)
poll_participations.where(:author_id => user.person.id).present?
end
end
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