From: Serguei Cambour <lists@...>
Date: 2013-07-21T06:51:02+09:00
Subject: ActiveSupport undercore behaviour

I tried to use ActiveSupport 'underscore' method to convert some
non-conventional to RoR data to be able to update later some attributes
as follows:

TECHS = {"platform"=>[
                {"AssignedName"=>"P1", "ExportPrice"=>"USD", "Id"=>"1",
"Delivery"=>"Y",
                    "RegisteredMembers"=>[
                      {"Name"=>"Admin", "Id"=>"3",
                          "AvailablePosts"=>[
                              {"Seat"=>"2", "Colour"=>18, },
                              {"Seat"=>"3", "Colour"=>19, },
                              {"Seat"=>"4", "Colour"=>181, },
                              {"Seat"=>"5", "Colour"=>183, }
                          ]
                      }
                     ]
                }
              ]
            }

TECHS.each_value do |value|
  arr = value.map {|k,v| [ActiveSupport::Inflector.underscore(k.to_s),
v]}
  puts "ARR: #{arr.inspect}"
end

The result is strange even if the values look underscored:

ARR: [["{\"assigned_name\"=>\"p1\", \"export_price\"=>\"usd\",
\"id\"=>\"1\", \"delivery\"=>\"y\",
\"registered_members\"=>[{\"name\"=>\"admin\", \"id\"=>\"3\",
\"available_posts\"=>[{\"seat\"=>\"2\", \"colour\"=>18},
{\"seat\"=>\"3\", \"colour\"=>19}, {\"seat\"=>\"4\", \"colour\"=>181},
{\"seat\"=>\"5\", \"colour\"=>183}]}]}", nil]]

Why are there some extra quotes and nil in the very end ? Thkx

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