26 lines
571 B
Ruby
26 lines
571 B
Ruby
class PostVote < ActiveRecord::Base
|
|
class Error < Exception ; end
|
|
|
|
belongs_to :post
|
|
before_validation :initialize_user, :on => :create
|
|
validates_presence_of :post_id, :user_id, :score
|
|
validates_inclusion_of :score, :in => [1, -1]
|
|
attr_accessible :post_id, :user_id, :score
|
|
|
|
def self.prune!
|
|
where("created_at < ?", 30.days.ago).delete_all
|
|
end
|
|
|
|
def score=(x)
|
|
if x == "up"
|
|
write_attribute(:score, 1)
|
|
elsif x == "down"
|
|
write_attribute(:score, -1)
|
|
end
|
|
end
|
|
|
|
def initialize_user
|
|
self.user_id = CurrentUser.user.id
|
|
end
|
|
end
|