Class: Mushy::BuildCsv

Inherits:
Flux
  • Object
show all
Defined in:
lib/mushy/fluxs/build_csv.rb

Instance Attribute Summary

Attributes inherited from Flux

#config, #flow, #id, #masher, #parent_fluxs, #subscribed_to, #type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Flux

#convert_this_to_an_array, #convert_to_symbolized_hash, #execute, #execute_single_event, #group_these_results, #guard, #ignore_these_results, inherited, #initialize, #join_these_results, #limit_these_results, #merge_these_results, #model_these_results, #outgoing_split_these_results, #shape_these, #sort_these_results, #standardize_these

Constructor Details

This class inherits a constructor from Mushy::Flux

Class Method Details

.details ⇒ Object 



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# File 'lib/mushy/fluxs/build_csv.rb', line 7

def self.details
  {
    name: 'BuildCsv',
    description: 'Build a CSV.',
    config: {
      input_path: {
                    description: 'The path to the set of records to include in the CSV.',
                    type:        'text',
                    value:       'records',
                  },
      output_path: {
                     description: 'The path to the CSV content in the outgoing event.',
                     type:        'text',
                     value:       'records',
                   },
      headers: {
                 description: 'The values to include in the CSV, as well as the header values.',
                 type:        'keyvalue',
                 value:       {},
               },
      header_row: {
                    description: 'Include a header row?',
                    type:        'boolean',
                    value:       true,
                  },
    },
  }
end

Instance Method Details

#process(event, config) ⇒ Object 



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# File 'lib/mushy/fluxs/build_csv.rb', line 36

def process event, config
  records = event[config[:input_path].to_sym] || event[config[:input_path].to_s]

  headers = config[:headers]

  {
    config[:output_path] => CSV.generate do |c|
      if config[:header_row].to_s == 'true'
        c << headers.map { |h| h[1] }
      end
      records.each { |x| c << headers.map { |h| x[h[0].to_sym] || x[h[0].to_s] } }
    end
  }
end