68 lines
1.8 KiB
Ruby
68 lines
1.8 KiB
Ruby
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require 'zip'
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require 'nokogiri'
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require 'combine_pdf'
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module Letters
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def self.apply_template(io, params)
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Zip::OutputStream.write_buffer do |out|
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Zip::File.open(io) do |zip|
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zip.each do |entry|
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out.put_next_entry(entry.name)
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if entry.name == "content.xml"
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out.write apply_template_xml(entry.get_input_stream.read, params)
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elsif !entry.directory?
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out.write entry.get_input_stream.read
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end
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end
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end
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end
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end
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def self.apply_template_xml(xml, params)
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doc = Nokogiri::XML(xml)
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doc.xpath("//*[contains(text(), 'DISPLAY_NAME')]").each do |node|
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node.content = node.content.gsub("DISPLAY_NAME", params["DISPLAY_NAME"])
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end
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address_lines = params['ADDRESS'].split("\n")
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doc.xpath("//*[contains(text(), 'ADDRESS')]").each do |node|
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newnodes = [node] + address_lines[1..].map do |line|
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node.clone.tap do |c|
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c.content = c.content.gsub("ADDRESS", line)
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end
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end
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node.content = node.content.gsub("ADDRESS", address_lines.first)
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newnodes.each_cons(2) do |p, n|
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p.add_next_sibling(n)
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end
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end
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doc.to_xml(save_with: 0)
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end
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def self.generate(template, members)
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Dir.mktmpdir do |directory|
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members.each do |member|
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odt = apply_template(template, {
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"DISPLAY_NAME" => member.display_name,
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"ADDRESS" => member.address,
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})
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File.open("#{directory}/#{member.number}.odt", "wb") { |out| out.write(odt.string) }
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end
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`libreoffice --convert-to pdf --outdir #{directory} #{directory}/*.odt`
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pdf = CombinePDF.new
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Dir["#{directory}/*.pdf"].each do |file|
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pdf << CombinePDF.load(file)
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end
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pdf.to_pdf
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end
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end
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end
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