Module: Sequel::Plugins::CsvSerializer::InstanceMethods

Defined in:
lib/sequel/plugins/csv_serializer.rb

Instance Method Summary collapse

Instance Method Details

#from_csv(csv, opts = OPTS) ⇒ Object

Update the object using the data provided in the first line in CSV. Options:

:headers

The headers to use for the CSV line. Use nil for a header to specify the column should be ignored.



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# File 'lib/sequel/plugins/csv_serializer.rb', line 149

def from_csv(csv, opts = OPTS)
  row = CsvSerializer.csv_call(:parse_line, csv, model.process_csv_serializer_opts(opts)).to_hash
  row.delete(nil)
  set(row)
end

#to_csv(opts = OPTS) ⇒ Object

Return a string in CSV format. Accepts the same options as CSV.new, as well as the following options:

:except

Symbol or Array of Symbols of columns not to include in the CSV output.

:only

Symbol or Array of Symbols of columns to include in the CSV output, ignoring all other columns

:include

Symbol or Array of Symbols specifying non-column attributes to include in the CSV output.



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# File 'lib/sequel/plugins/csv_serializer.rb', line 164

def to_csv(opts = OPTS)
  opts = model.process_csv_serializer_opts(opts)
  headers = opts[:headers]

  CsvSerializer.csv_call(:generate, model.process_csv_serializer_opts(opts)) do |csv|
    csv << headers.map{|k| public_send(k)}
  end
end