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Contents
# frozen_string_literal: true
require "spreadsheet"
module Decidim
module Exporters
# Exports any serialized object (Hash) into a readable Excel file. It transforms
# the columns using slashes in a way that can be afterwards reconstructed
# into the original nested hash.
#
# For example, `{ name: { ca: "Hola", en: "Hello" } }` would result into
# the columns: `name/ca` and `name/es`.
#
# It will maintain types like Integers, Floats & Dates so Excel can deal with
# them.
class Excel < CSV
# Public: Exports a file in an Excel readable format.
#
# Returns an ExportData instance.
def export
book = Spreadsheet::Workbook.new
sheet = book.create_worksheet
sheet.name = "Export"
sheet.row(0).default_format = Spreadsheet::Format.new(
weight: :bold,
pattern: 1,
pattern_fg_color: :xls_color_14,
horizontal_align: :center
)
sheet.row(0).replace headers
headers.length.times.each do |index|
sheet.column(index).width = 20
end
processed_collection.each_with_index do |resource, index|
sheet.row(index + 1).replace(headers.map { |header| resource[header] })
end
output = StringIO.new
book.write output
ExportData.new(output.string, "xls")
end
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems