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Contents
# -*- encoding : utf-8 -*-
module LoyalCore
module ActsAsRatingTrackAble
def self.included base
base.class_eval do
extend ClassMethods
end
end
module ClassMethods
def loyal_core_acts_as_rating_track_able *args
has_many :rating_tracks, :class_name => "LoyalCore::RatingTrack", :as => :target
include InstanceMethods
end
module InstanceMethods
def user_rating_tracks user
self.rating_tracks.filter_by_creator(user)
end
# 是否被**打分？
def rating_by?(user)
self.user_rating_tracks(user).exists?
end
# 加分
def up_rating_by!(user, score=1)
if rating_by? user
:already
else
self.rating_by! user, score
:up
end
end
# 打低分
def down_rating_by!(user, score=-1)
if rating_by? user
:already
else
self.rating_by! user, score
:down
end
end
# 用户进行打分
def rating_by!(user, score=1)
tmp_scope = self.user_rating_tracks(user)
tmp_scope.first || tmp_scope.create(
:score => score
)
_expire_rating_track_cache
end
# 取消打分
def undo_rating_by!(user)
self.user_rating_tracks(user).destroy_all
_expire_rating_track_cache
end
private
def _expire_rating_track_cache
self.reload
self.touch
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems