114 lines
3 KiB
Ruby
114 lines
3 KiB
Ruby
# frozen_string_literal: true
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module PdfDocuments
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class Base
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attr_reader :params, :font
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def initialize(prawn_document, **params)
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@prawn_document = prawn_document
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@prawn_document.markup_options = markup_options
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# @prawn_document.font_families.update('Lexend' => {
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# normal: 'vendor/assets/fonts/Lexend-Light.ttf',
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# bold: 'vendor/assets/fonts/Lexend-Bold.ttf',
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# exta_bold: 'vendor/assets/fonts/Lexend-ExtraBold.ttf',
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# italic: 'vendor/assets/fonts/Lexend-Regular.ttf'
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# })
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@font = "Helvetica"
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@prawn_document.font @font, size: 12
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@params = OpenStruct.new(params)
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end
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def create
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generate
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@prawn_document
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end
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private
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def generate
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raise NotImplementedError
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end
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def heading1(text)
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@prawn_document.markup "<h1>#{text}</h1>"
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end
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def heading2(text)
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@prawn_document.markup "<h2>#{text}</h2>"
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end
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def heading3(text)
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@prawn_document.markup "<h3>#{text}</h3>"
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end
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def heading4(text)
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@prawn_document.markup "<h4>#{text}</h4>"
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end
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def text(text)
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@prawn_document.text text, markup_options[:text]
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end
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def rich_text(text)
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@prawn_document.markup prepare_rich_text(text)
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end
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def hr
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@prawn_document.markup "<hr>"
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end
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def markup_options
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{
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text: { size: 12, margin_bottom: 5 },
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heading1: { style: :bold, size: 26, margin_bottom: 10, margin_top: 0 },
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heading2: { style: :bold, size: 17, margin_bottom: 10, margin_top: 15 },
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heading3: { style: :bold, size: 13, margin_bottom: 10, margin_top: 15 },
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heading4: { style: :bold, size: 12, margin_bottom: 10, margin_top: 10 },
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heading5: { style: :bold, size: 12, margin_bottom: 10, margin_top: 10 },
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heading6: { style: :thin, size: 12, margin_bottom: 10, margin_top: 5 }
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}
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end
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def logo
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@prawn_document.image "app/assets/images/logo-apfelschule.png", width: 150
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@prawn_document.move_down 30
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end
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def prepare_rich_text(rich_text)
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{ h1: "h5" }.each do |tag, replacement|
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rich_text = rich_text.to_s.gsub("<#{tag}", "<#{replacement}")
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rich_text = rich_text.to_s.gsub("</#{tag}>", "</#{replacement}>")
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end
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rich_text
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end
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def font(...)
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@prawn_document.font(...)
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end
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def formatted_text(...)
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@prawn_document.formatted_text(...)
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end
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def move_down(...)
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@prawn_document.move_down(...)
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end
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def safe_display(value, &block)
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return if value.blank?
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yield(value)
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end
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def bold(text)
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@prawn_document.font(@font, style: :bold) do
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@prawn_document.text text
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end
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end
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def image(attachable, **args)
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@prawn_document.image(ActiveStorage::Blob.service.path_for(attachable.key), **args) rescue StandardError
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end
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end
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end
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