Module: JSON2CSV

Defined in:
lib/json2csv.rb

Class Method Summary collapse

Class Method Details

.parse(input, output, headers = nil, csvOptions = nil) ⇒ Object 



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# File 'lib/json2csv.rb', line 8

def parse(input, output, headers=nil, csvOptions=nil)
    json = JSON.parse(input)

    unless headers
        headers = json[0].keys
    end

    outputCSV = CSV.generate(csvOptions) do |csv|
        csv << headers

        json.each do |obj|
            sortedValues = Array.new(headers.length)

            obj.each do |key, val|
                headers.each_index { |i|
                    sortedValues[i] = val if headers[i] == key
                }
            end

            csv << sortedValues
        end
    end
    
    output << outputCSV
end