Class: ActiveModelArchive::Archiver::Csv

Inherits:
Object
  • Object
show all
Defined in:
lib/active_model_archive/archiver/csv.rb

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Instance Method Summary collapse

Instance Method Details

#encode(object) ⇒ Object 



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# File 'lib/active_model_archive/archiver/csv.rb', line 13

def encode(object)
  object.as_archive.values_at(*object.archive_attributes).map do |value|
    value.respond_to?(:any?) && value.any? ? ActiveSupport::JSON.encode(value) : value
  end.to_csv(col_sep: separator)
end

#header(object) ⇒ Object 



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# File 'lib/active_model_archive/archiver/csv.rb', line 9

def header(object)
  object.archive_attributes.to_csv(col_sep: separator)
end

#parse(io) ⇒ Object 



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# File 'lib/active_model_archive/archiver/csv.rb', line 19

def parse(io)
  first_line = true
  header = []
  io.each do |line|
    values = line.parse_csv(col_sep: separator)

    if first_line
      first_line = false
      header = values
    else
      values.map! do |value|
        begin ActiveSupport::JSON.decode(value) rescue value end
      end
      yield Hash[header.zip(values)]
    end
  end
end