Contents

# Copyright:: (c) Autotelik Media Ltd 2012
# Author ::   Tom Statter
# Date ::     March 2012
# License::   MIT
#
# Details::   This modules provides individual population methods on an AR model.
#
#             Enables users to assign values to AR object, without knowing much about that receiving object.
#
require 'to_b'

module DataShift

  module Populator
    
    def self.insistent_method_list
      @insistent_method_list ||= [:to_s, :to_i, :to_f, :to_b]
      @insistent_method_list
    end
 
    def self.insistent_assignment( record, value, operator )
      
      #puts "DEBUG: RECORD CLASS #{record.class}"
      op = operator + '='
    
      begin
        record.send(op, value)
      rescue => e
        Populator::insistent_method_list.each do |f|
          begin
            record.send(op, value.send( f) )
            break
          rescue => e
            #puts "DEBUG: insistent_assignment: #{e.inspect}"
            if f == Populator::insistent_method_list.last
              puts  "I'm sorry I have failed to assign [#{value}] to #{operator}"
              raise "I'm sorry I have failed to assign [#{value}] to #{operator}" unless value.nil?
            end
          end
        end
      end
    end
    
    def assignment( operator, record, value )
      #puts "DEBUG: RECORD CLASS #{record.class}"
      op = operator + '=' unless(operator.include?('='))
    
      begin
        record.send(op, value)
      rescue => e
        Populator::insistent_method_list.each do |f|
          begin
            record.send(op, value.send( f) )
            break
          rescue => e
            #puts "DEBUG: insistent_assignment: #{e.inspect}"
            if f == Populator::insistent_method_list.last
              puts  "I'm sorry I have failed to assign [#{value}] to #{operator}"
              raise "I'm sorry I have failed to assign [#{value}] to #{operator}" unless value.nil?
            end
          end
        end
      end
    end
   
    
  end
  
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
datashift-0.10.2	lib/datashift/populator.rb