Module: DocContract::SharedTemplateAndInstanceMethods

Included in:
ContractInstancesController, ContractTemplatesController
Defined in:
app/controllers/concerns/doc_contract/shared_template_and_instance_methods.rb

Instance Method Summary collapse

Instance Method Details

#pdf ⇒ Object

rubocop:disable Metrics/MethodLength for now keep as a whole story



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# File 'app/controllers/concerns/doc_contract/shared_template_and_instance_methods.rb', line 25

def pdf
  @record = record_class.find params[:id]
  authorize! :show, @record

  # Allow preview using the markdown parameter. Fallback to actual saved
  # version when param is not given
  @record.markdown = params[:markdown] if params[:markdown].present?
  return redirect_to @record unless @record.markdown.present?

  @tempfile_markdown = Tempfile.new(['pandoc-markdown', '.md'])
  config_addittions = {}
  if nbackground = @record.try(:titlepage_background) || @record.contract_template.titlepage_background.presence
    config_addittions['titlepage-background'] = "vendor/assets/doc-contract/titlepage-backgrounds/background#{nbackground}.pdf"
  end
  template_markdown = @record.template_markdown(config_addittions)
  @tempfile_markdown.write template_markdown
  #@tempfile_markdown.rewind
  @tempfile_markdown.close
  @tempfile_pdf = Tempfile.create(['pandoc-pdf-', '.pdf'])
  @tempfile_pdf.close
  command = %(
    pandoc --template=vendor/assets/doc-contract/pandoc-templates/eisvogel.tex
      --css=app/assets/stylesheets/doc_contract/pandoc.css #{@tempfile_markdown.path}
      -o #{@tempfile_pdf.path}
  ).strip.gsub(/\n\s*/, ' ')
  command << ' --variable top-level-division=chapter' if @record.config['book']
  #command << " --variable titlepage=true" if false # done through YAML config
  command << ' --listings' # if some conditions TODO: make this a database boolean
  command << ' --filter pandoc-latex-environment' if template_markdown['pandoc-latex-environment:']

  stdout, stderr, status = nil
  Dir.chdir DocContract::Engine.root do
    stdout, stderr, status = Open3.capture3(command)
  end

  if status.success?
    send_file @tempfile_pdf.path
  else
    redirect_back fallback_location: record_class, flash: {error: stderr}
  end
ensure
  begin
    @tempfile_markdown.unlink
    @tempfile_pdf.unlink
  rescue
    nil
  end
end

#processed_html ⇒ Object 



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# File 'app/controllers/concerns/doc_contract/shared_template_and_instance_methods.rb', line 14

def processed_html
  @record = record_class.find params[:id]
  authorize! :show, @record
  # Allow preview using the markdown parameter. Fallback to actual saved
  # version when param is not given
  @record.markdown = params[:markdown] if params[:markdown].present?
  render json: {html: @record.processed_html}
end

#processed_markdown ⇒ Object

POST /doc-contract/contract_templates/:id/processed_markdown?markdown=…



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# File 'app/controllers/concerns/doc_contract/shared_template_and_instance_methods.rb', line 5

def processed_markdown
  @record = record_class.find params[:id]
  authorize! :show, @record
  # Allow preview using the markdown parameter. Fallback to actual saved
  # version when param is not given
  @record.markdown = params[:markdown] if params[:markdown].present?
  render json: {markdown: @record.processed_markdown}
end