Contents

# frozen_string_literal: true

class ActiveReport::Hash < ActiveReport::Base

  attr_accessor :datum, :only, :except, :headers, :options

  def initialize(datum, only: nil, except: nil, headers: nil, options: {})
    @datum = datum
    @only = munge(only)
    @except = munge(except)
    @headers = headers
    @options = csv_options.merge(options)
  end

  def self.export(datum, only: nil, except: nil, headers: nil, options: {})
    klass = new(datum, only: only, except: except, headers: headers, options: options)
    klass.export
  end

  def self.import(datum, only: nil, except: nil, headers: nil, options: {})
    klass = new(datum, only: only, except: except, headers: headers, options: options)
    klass.import
  end

  def export
    @datum = munge(@datum)

    CSV.generate(@options) do |csv|
      csv << (@headers || filter_humanize_keys(@datum))
      @datum.lazy.each { |data| csv << filter_values(data) }
    end
  end

  def import
    array = []
    line = 0

    CSV.foreach(@datum, @options) do |data|
      data = encode_to_utf8(data) if csv_force_encoding?

      if @headers.nil? && line.zero?
        @headers = data
      else
        subdata = {}
        @headers.lazy.each_with_index { |header, idx| subdata[header.to_s] = data[idx] }
        filter(subdata)
        array.push(subdata)
      end

      line += 1
    end

    array = array.first if array.size == 1
    metatransform(array)
  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
active_report-5.1.0	lib/active_report/hash.rb
active_report-5.0.1	lib/active_report/hash.rb
active_report-5.0.0	lib/active_report/hash.rb