Contents

require 'sequel'
require 'base64'

module VinExploder
module Cache
  
  # A VinExploder cache adapter using Sequel for saving the decoded vin attributes.
  #
  # this store assumes there are 2 columns on the table:
  # - *key*: the first 8, 10th and 11th characters of the vin
  # - *data*: A hash of the decoded vin attributes
  class SequelCacheStore < Store
    
    def initialize(options = {})
      super
      @connection = Sequel.connect(options)
    end
    
    def read(vin)
      key = make_vin_cache_key(vin)
      data = @connection[:vins].where(:key => key).first
      Marshal.load(data[:data]) unless data.nil?
    end
    
    def write(vin, hash)
      key = make_vin_cache_key(vin)
      @connection[:vins].insert(:key => key, :data => Marshal.dump(hash))
      hash
    end
    
    def delete(vin)
      key = make_vin_cache_key(vin)
      result = @connection[:vins].where(:key => key).delete
      result > 0
    end
    
  end
  
end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
vin_exploder-0.5.2	lib/vin_exploder/cache/sequel_cache_store.rb
vin_exploder-0.5.0	lib/vin_exploder/cache/sequel_cache_store.rb
vin_exploder-0.4.8	lib/vin_exploder/cache/sequel_cache_store.rb