Class: PdfFill::ExtrasGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/pdf_fill/extras_generator.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ExtrasGenerator

Returns a new instance of ExtrasGenerator.



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# File 'lib/pdf_fill/extras_generator.rb', line 5

def initialize
  @generate_blocks = []
end

Instance Method Details

#add_text(value, metadata) ⇒ Object 



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# File 'lib/pdf_fill/extras_generator.rb', line 23

def add_text(value, metadata)
  unless text?
    @generate_blocks << {
      metadata: {},
      block: lambda do |pdf|
        pdf.text('Additional Information', size: 16, style: :bold)
      end
    }
  end

  @generate_blocks << {
    metadata:,
    block: create_block(value, metadata)
  }
end

#create_block(value, metadata) ⇒ Object 



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# File 'lib/pdf_fill/extras_generator.rb', line 9

def create_block(value, metadata)
  lambda do |pdf|
    pdf.move_down(10)
    prefix = metadata[:question_num].to_s
    prefix += metadata[:question_suffix] if metadata[:question_suffix].present?
    prefix = "#{prefix}. #{metadata[:question_text].humanize}"
    i = metadata[:i]
    prefix += " Line #{i + 1}" if i.present?

    pdf.text("#{prefix}:", style: :bold)
    pdf.text(value.to_s, style: :normal)
  end
end

#generate ⇒ Object 



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# File 'lib/pdf_fill/extras_generator.rb', line 65

def generate
  folder = 'tmp/pdfs'
  FileUtils.mkdir_p(folder)
  file_path = "#{folder}/extras_#{SecureRandom.uuid}.pdf"
  generate_blocks = sort_generate_blocks
  Prawn::Document.generate(file_path) do |pdf|
    set_font(pdf)

    box_height = 25
    pdf.bounding_box(
      [pdf.bounds.left, pdf.bounds.top - box_height],
      width: pdf.bounds.width,
      height: pdf.bounds.height - box_height
    ) do
      generate_blocks.each do |block|
        block[:block].call(pdf)
      end
    end
  end

  file_path
end

#set_font(pdf) ⇒ Object 



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# File 'lib/pdf_fill/extras_generator.rb', line 55

def set_font(pdf)
  pdf.font_families.update(
    'Roboto' => {
      normal: Rails.root.join('lib', 'pdf_fill', 'fonts', 'Roboto-Regular.ttf'),
      bold: Rails.root.join('lib', 'pdf_fill', 'fonts', 'Roboto-Bold.ttf')
    }
  )
  pdf.font('Roboto')
end

#sort_generate_blocks ⇒ Object 



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# File 'lib/pdf_fill/extras_generator.rb', line 43

def sort_generate_blocks
  @generate_blocks.sort_by do |generate_block|
    metadata = generate_block[:metadata]
    [
      metadata[:question_num] || -1,
      metadata[:i] || 99_999,
      metadata[:question_suffix] || -1,
      metadata[:question_text]
    ]
  end
end

#text? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/pdf_fill/extras_generator.rb', line 39

def text?
  @generate_blocks.size.positive?
end