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Contents
# frozen_string_literal: true
require 'csv'
module Effective
module EffectiveDatatable
module Csv
def csv_filename
self.class.name.underscore.parameterize + '.csv'
end
def csv_content_type
'text/csv; charset=utf-8'
end
def csv_header
columns.map { |_, opts| opts[:label] || '' }
end
def csv_file
CSV.generate do |csv|
csv << csv_header()
collection.send(csv_collection_method) do |resources|
resources = arrayize(resources, csv: true)
format(resources, csv: true)
finalize(resources)
resources.each { |resource| csv << resource }
end
end
end
def csv_stream
EffectiveResources.with_resource_enumerator do |lines|
lines << CSV.generate_line(csv_header)
collection.public_send(csv_collection_method) do |resources|
resources = arrayize(resources, csv: true)
format(resources, csv: true)
finalize(resources)
resources.each { |resource| lines << CSV.generate_line(resource) }
end
end
end
private
def csv_collection_method
(active_record_collection? ? :find_in_batches : :to_a)
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems