Module: Documentalist::ODFMerge

Includes:
Dependencies
Defined in:
lib/backends/odf_merge.rb

Overview

This module provides open document merge functionality

Class Method Summary collapse

Methods included from Dependencies

included

Class Method Details

.get_contents(odt_file) ⇒ Object 



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# File 'lib/backends/odf_merge.rb', line 27

def self.get_contents(odt_file)
  contents = String.new
  Zip::ZipFile.open(odt_file) { |zip| contents = zip.read("content.xml") }
  contents.gsub("&lt;%", "<%").gsub("%&gt;", "%>")
end

.merge_string(string, options = {}) ⇒ Object 



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# File 'lib/backends/odf_merge.rb', line 15

def self.merge_string(string, options = {})
  locals = options[:locals]

  if locals and locals.is_a? Hash
    locals.each do |k,v|
      instance_variable_set("@#{k.to_s}".to_sym, v)
    end
  end

  ERB.new(string).result(binding)
end

.merge_template(template, options = {}) ⇒ Object 



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# File 'lib/backends/odf_merge.rb', line 33

def self.merge_template(template, options = {})
  # Get template contents
  tmp_contents= Tempfile.new("officer-contents")
  tmp_contents.write(merge_string(get_contents(template), :locals => options[:locals]))
  tmp_contents.close

  # Copy the template so we can merge the data into the copy
  tmp_merged_template = File.join(Dir.tmpdir, "merged-template-#{rand(10**9)}#{File.extname(template)}")
  FileUtils.cp(template, tmp_merged_template)

  # Stuff the merged contents.xml into the OpenDocument zip
  Zip::ZipFile.open(tmp_merged_template) do |zip|
    zip.replace("content.xml", tmp_contents.path)
    zip.commit
  end

  # Remove the merged contents.xml
  tmp_contents.unlink

  # Manages the converted file depending on the context
  if options[:to]
    if File.extname(options[:to]) == File.extname(template)
      FileUtils.mv(tmp_merged_template, options[:to])
    else
      Documentalist.convert(tmp_merged_template, :to => options[:to])
      FileUtils.rm(tmp_merged_template)
    end
  else
    FileUtils.rm(template)
    FileUtils.mv(tmp_merged_template, template)
  end
end