Class: MusicBox::CoverMaker

Inherits:
Object
  • Object
show all
Defined in:
lib/musicbox/cover_maker.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CoverMaker

Returns a new instance of CoverMaker.



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# File 'lib/musicbox/cover_maker.rb', line 11

def initialize
  @pdf = Prawn::Document.new
end

Class Method Details

.make_covers(*releases, output_file:) ⇒ Object 



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# File 'lib/musicbox/cover_maker.rb', line 5

def self.make_covers(*releases, output_file:)
  cover_maker = new
  cover_maker.make_covers(releases)
  cover_maker.write(output_file)
end

Instance Method Details

#make_covers(releases) ⇒ Object 



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# File 'lib/musicbox/cover_maker.rb', line 15

def make_covers(releases)
  size = 4.75.in
  top = 10.in
  releases.each_with_index do |release, i|
    album = release.album
    unless album&.has_cover?
      puts "Release #{release.id} has no cover"
      next
    end
    @pdf.start_new_page if i > 0
    @pdf.fill do
      @pdf.rectangle [0, top],
        size,
        size
    end
    @pdf.image album.cover_file.to_s,
      at: [0, top],
      width: size,
      fit: [size, size],
      position: :center
    @pdf.stroke do
      @pdf.rectangle [0, top],
        size,
        size
    end
  end
end

#write(output_file) ⇒ Object 



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# File 'lib/musicbox/cover_maker.rb', line 43

def write(output_file)
  @pdf.render_file(output_file.to_s)
end