2024-04-29 00:17:15 +02:00
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# frozen_string_literal: true
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2017-05-31 17:39:15 +02:00
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require 'prawn/measurement_extensions'
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2019-03-07 00:51:11 +01:00
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#----- A4 page size
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page_size = 'A4'
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2022-08-31 11:23:25 +02:00
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# page_height = 842
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2019-03-07 00:51:11 +01:00
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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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2022-08-31 11:23:25 +02:00
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right_margin = (page_width - body_width) / 2
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2019-03-07 00:51:11 +01:00
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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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2020-09-03 16:01:55 +02:00
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def normalize_pdf_text(text)
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2024-03-08 09:57:28 +01:00
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strip_tags(text&.tr("\t", ' '))
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2020-09-03 16:01:55 +02:00
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end
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title = normalize_pdf_text(@attestation.fetch(:title))
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body = normalize_pdf_text(@attestation.fetch(:body))
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footer = normalize_pdf_text(@attestation.fetch(:footer))
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2019-08-28 14:27:41 +02:00
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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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2023-01-23 12:03:33 +01:00
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def download_file_and_retry(file_or_attached_one, max_attempts = 3)
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if file_or_attached_one.is_a?(ActiveStorage::Attached::One)
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file_or_attached_one.download
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else
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file_or_attached_one.rewind && file_or_attached_one.read
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end
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rescue Fog::OpenStack::Storage::NotFound => e
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if max_attempts > 0
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max_attempts = max_attempts - 1
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sleep 1
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retry
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else
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raise e
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end
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end
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2019-03-07 00:51:11 +01:00
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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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2022-08-31 11:23:25 +02:00
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pdf.font_families.update('marianne' => { normal: Rails.root.join('lib/prawn/fonts/marianne/marianne-regular.ttf') })
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2020-06-24 08:58:13 +02:00
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pdf.font 'marianne'
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2017-05-31 17:39:15 +02:00
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grey = '555555'
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black = '333333'
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2019-03-07 00:51:11 +01:00
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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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2019-08-28 14:27:41 +02:00
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if logo.present?
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2020-03-30 14:48:25 +02:00
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logo_content = if logo.is_a?(ActiveStorage::Attached::One)
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2019-08-28 14:27:41 +02:00
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logo.download
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2019-08-27 17:42:52 +02:00
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else
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2020-03-30 14:48:25 +02:00
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logo.rewind && logo.read
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2019-08-27 17:42:52 +02:00
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end
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2022-08-31 11:23:25 +02:00
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pdf.image StringIO.new(logo_content), fit: [max_logo_width, max_logo_height], position: :center
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2017-05-31 17:39:15 +02:00
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end
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pdf.fill_color grey
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2020-06-24 10:43:12 +02:00
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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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2017-05-31 17:39:15 +02:00
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pdf.fill_color black
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2020-06-24 10:43:12 +02:00
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pdf.pad_top(40) { pdf.text title, size: 14, character_spacing: -0.2 }
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2017-05-31 17:39:15 +02:00
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pdf.fill_color grey
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2020-06-24 10:43:12 +02:00
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pdf.pad_top(30) { pdf.text body, size: 9, character_spacing: -0.2, align: :justify }
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2017-05-31 17:39:15 +02:00
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2019-08-28 14:27:41 +02:00
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if signature.present?
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2017-05-31 17:39:15 +02:00
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pdf.pad_top(40) do
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2020-03-30 14:48:25 +02:00
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signature_content = if signature.is_a?(ActiveStorage::Attached::One)
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2019-08-28 14:27:41 +02:00
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signature.download
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2019-08-27 17:42:52 +02:00
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else
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2020-03-30 14:48:25 +02:00
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signature.rewind && signature.read
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2019-08-27 17:42:52 +02:00
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end
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2022-08-31 11:23:25 +02:00
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pdf.image StringIO.new(signature_content), fit: [max_signature_size, max_signature_size], position: :right
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2017-05-31 17:39:15 +02:00
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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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2019-03-07 00:51:11 +01:00
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pdf.move_cursor_to footer_height - 10
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2017-05-31 17:39:15 +02:00
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pdf.fill_color grey
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2020-09-25 15:19:59 +02:00
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if footer.present?
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# We reduce the size of large footer so they can be drawn in the corresponding area.
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# This is due to a font change, the replacing font is slightly bigger than the previous one
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footer_font_size = footer.length > 170 ? 7 : 8
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pdf.text footer, align: :center, size: footer_font_size
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end
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2017-05-31 17:39:15 +02:00
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end
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end
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