foodsoft/app/lib/render_csv.rb
viehlieb 690ea875b7 feat(order): export order to custom csv file
add custom_csv_collection to orders helper

add rute and controller method to orders controller

add custom csv to download dropdown

add functionality to choose column headers + order for custom csv and append order.sum gross&net to custom csv
2023-02-23 18:35:12 +01:00

45 lines
1.4 KiB
Ruby

require 'csv'
class RenderCsv
include ActionView::Helpers::NumberHelper
def initialize(object, options = {})
@object = object
@options = options
# defaults to please Microsoft Excel ...
@options[:col_sep] ||= FoodsoftConfig[:csv_col_sep] || ';'
@options[:row_sep] ||= FoodsoftConfig[:csv_row_sep] if FoodsoftConfig[:csv_row_sep]
@options[:encoding] ||= FoodsoftConfig[:csv_encoding] || 'ISO-8859-15'
end
def to_csv
options = @options.select { |k| %w(col_sep row_sep).include? k.to_s }
ret = CSV.generate options do |csv|
if h = header
csv << h
end
data { |d| csv << d }
end
ret << I18n.t('.orders.articles.prices_sum') << ";" << "#{number_to_currency(@object.sum(:gross))}/#{number_to_currency(@object.sum(:net))}" if @options[:custom_csv]
ret.encode(@options[:encoding], invalid: :replace, undef: :replace)
end
def header
nil
end
def data
yield []
end
# Helper method to test pdf via rails console: OrderCsv.new(order).save_tmp
def save_tmp
encoding = @options[:encoding] || 'UTF-8'
File.write("#{Rails.root}/tmp/#{self.class.to_s.underscore}.csv", to_csv.force_encoding(encoding))
end
# XXX disable unit to avoid encoding problems, both in unit and whitespace. Also allows computations in spreadsheet.
def number_to_currency(number, options = {})
super(number, options.merge({ unit: '' }))
end
end