Class: Eco::API::UseCases::Default::Utils::GroupCsv::FileHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/eco/api/usecases/default/utils/group_csv_case/file_handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename, format: :csv) ⇒ FileHandler

Returns a new instance of FileHandler.



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# File 'lib/eco/api/usecases/default/utils/group_csv_case/file_handler.rb', line 5

def initialize(filename, format: :csv)
  @filename = filename
  @format   = format

  open
end

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/eco/api/usecases/default/utils/group_csv_case/file_handler.rb', line 3

def filename
  @filename
end

#format ⇒ Object (readonly)

Returns the value of attribute format.



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# File 'lib/eco/api/usecases/default/utils/group_csv_case/file_handler.rb', line 3

def format
  @format
end

Instance Method Details

#<<(value) ⇒ Object 



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# File 'lib/eco/api/usecases/default/utils/group_csv_case/file_handler.rb', line 12

def <<(value)
  msg = "File has been closed. Can't write to it: #{filename}"
  raise msg unless file

  case format
  when :csv
    file << value
  when :jsonl
    file.puts to_s(value)
  end
end

#close ⇒ Object 



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# File 'lib/eco/api/usecases/default/utils/group_csv_case/file_handler.rb', line 24

def close
  return if file.nil?

  file.close.tap do
    @file = nil
  end
end