Class: Gitlab::PDF::Header

Inherits:
Object
  • Object
show all
Includes:
Prawn::View
Defined in:
lib/gitlab/pdf/header.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pdf, page, height, exportable_title) ⇒ Header

Returns a new instance of Header.



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# File 'lib/gitlab/pdf/header.rb', line 15

def initialize(pdf, page, height, exportable_title)
  @pdf = pdf
  @page = page
  @height = height
  @halfway_point = pdf.bounds.width / 2
  @exportable_title = exportable_title
end

Class Method Details

.render(pdf, exportable_title, page: 0, height: 50) ⇒ Object 



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# File 'lib/gitlab/pdf/header.rb', line 11

def self.render(pdf, exportable_title, page: 0, height: 50)
  new(pdf, page, height, exportable_title).render
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/gitlab/pdf/header.rb', line 23

def render
  y = @pdf.bounds.top
  @pdf.bounding_box([0, y], width: @pdf.bounds.right, height: @height) do
    # The logo and GitLab text
    @pdf.bounding_box([0, @pdf.bounds.top], width: @halfway_point, height: @height) do
      logo_path = Rails.root.join('app/assets/images/gitlab_logo.png')

      begin
        @pdf.image(logo_path, width: 21, height: 21, position: :left, vposition: 6)
      rescue ArgumentError
        nil
      end

      @pdf.text_box(
        "GitLab",
        at: [25, @pdf.bounds.top],
        width: 100,
        height: 30,
        valign: :center,
        size: 24,
        style: :bold
      )
    end

    # Title (right side)
    @pdf.bounding_box([@halfway_point, @pdf.bounds.top], width: @halfway_point, height: @height) do
      @exportable_title ||= "Vulnerability Summary"

      @pdf.text_box(
        "#{@exportable_title} | #{Date.current.strftime('%B %-d, %Y')} | #{@page}",
        align: :right,
        valign: :center,
        size: 10
      )
    end

    # Gradient bar using SVG
    gradient_svg = <<~SVG
    <svg width="#{@pdf.bounds.width}" height="10">
      <defs>
        <linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="0%">
          <stop offset="0%" style="stop-color:#d2afed;stop-opacity:1" />
          <stop offset="25%" style="stop-color:#fa8bca;stop-opacity:1" />
          <stop offset="50%" style="stop-color:#ff76a4;stop-opacity:1" />
          <stop offset="100%" style="stop-color:#fd6c30;stop-opacity:1" />
        </linearGradient>
      </defs>
      <rect width="100%" height="10" fill="url(#grad)"/>
    </svg>
    SVG

    # Position the gradient bar just below the header content
    @pdf.svg gradient_svg, at: [0, @pdf.bounds.top - 45]
  end
end