75 lines
2.1 KiB
Ruby
75 lines
2.1 KiB
Ruby
require 'prawn/measurement_extensions'
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#----- A4 page size
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page_size = 'A4'
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page_height = 842
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page_width = 595
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#----- margins
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body_width = 400
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top_margin = 50
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bottom_margin = 20
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footer_height = top_margin - bottom_margin
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right_margin = (page_width - body_width)/2
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left_margin = right_margin
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#----- size of images
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max_logo_width = body_width
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max_logo_height = 50.mm
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max_signature_size = 50.mm
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title = @attestation.fetch(:title)
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body = @attestation.fetch(:body)
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footer = @attestation.fetch(:footer)
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created_at = @attestation.fetch(:created_at)
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logo = @attestation[:logo]
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signature = @attestation[:signature]
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prawn_document(margin: [top_margin, right_margin, bottom_margin, left_margin], page_size: page_size) do |pdf|
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pdf.font_families.update( 'marianne' => { normal: Rails.root.join('lib/prawn/fonts/marianne/marianne-regular.ttf' )})
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pdf.font 'marianne'
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grey = '555555'
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black = '333333'
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body_height = pdf.cursor - footer_height
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pdf.bounding_box([0, pdf.cursor], width: body_width, height: body_height) do
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if logo.present?
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logo_content = if logo.is_a?(ActiveStorage::Attached::One)
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logo.download
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else
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logo.rewind && logo.read
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end
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pdf.image StringIO.new(logo_content), fit: [max_logo_width , max_logo_height], position: :center
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end
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pdf.fill_color grey
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pdf.pad_top(40) { pdf.text "le #{l(created_at, format: '%e %B %Y')}", size: 9, align: :right, character_spacing: -0.5 }
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pdf.fill_color black
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pdf.pad_top(40) { pdf.text title, size: 14, character_spacing: -0.2 }
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pdf.fill_color grey
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pdf.pad_top(30) { pdf.text body, size: 9, character_spacing: -0.2, align: :justify }
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if signature.present?
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pdf.pad_top(40) do
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signature_content = if signature.is_a?(ActiveStorage::Attached::One)
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signature.download
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else
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signature.rewind && signature.read
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end
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pdf.image StringIO.new(signature_content), fit: [max_signature_size , max_signature_size], position: :right
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end
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end
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end
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pdf.repeat(:all) do
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pdf.move_cursor_to footer_height - 10
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pdf.fill_color grey
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pdf.text footer, align: :center, size: 8
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end
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end
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