vendor/plugins/pettan_importer/lib/pettan_importer.rb

   1 #インポート処理
   2 require 'common'
   3
   4 module ActiveRecord\r
   5   class Base\r
   6     module PettanImporter
   7       def self.included(base)
   8         base.extend(ClassMethods)
   9         base.__send__ :include, InstanceMethods
  10       end
  11
  12       module ClassMethods
  13         def each_import data
  14           data = [data] if data.is_a?(Hash)
  15           data.each do |d|
  16             yield d
  17           end
  18         end
  19
  20         def import(data, &blk)
  21           d = JSON.parse_no_except(data)
  22           return false unless d
  23           res = []
  24           self.transaction do
  25             self.each_import(d) do |i|
  26               m = blk.call(i)
  27               res.push(m) unless m.valid?
  28             end
  29             raise ActiveRecord::Rollback unless res.empty?
  30           end
  31           res
  32         end
  33
  34         def import_file(filename)
  35           t = nil
  36           begin
  37             t = File.open(filename, 'r').read
  38           rescue
  39             return false
  40           end
  41           self.import t
  42         end
  43
  44       end
  45
  46       module InstanceMethods
  47         private
  48
  49         public
  50
  51       end
  52
  53     end
  54     include PettanImporter
  55   end
  56 end
  57