Module: JekyllIS::Images::Image::Transform

Extended by:
Transform
Includes:
Cache, Magick
Included in:
JekyllIS::Images::Image, Transform
Defined in:
lib/jekyll-is/images/image/transform.rb

Instance Method Summary collapse

Methods included from Magick

#magick_convert, #magick_generate

Methods included from Cache

#cached_file, #clean_unused_files, #magick_image, #restore_static_files, #source_digest, #static_info

Instance Method Details

#transform(context, source, params) ⇒ JekyllIS::Images::Image::Info

Parameters:

Returns:



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# File 'lib/jekyll-is/images/image/transform.rb', line 21

def transform context, source, params

  # Проверяем на assets, возвращаем как есть, если так.
  return JekyllIS::Images::Image::Info[source, nil, nil] if assets?(source)

  digest = source_digest(context, source, **params)
  static_info context, digest, params[:format] do |full|
    source_path = if external?(source)
      # Скачиваем. Если не удается скачать, возвращаем url как есть без дополнительных данных.
      #  Исходим из того, что проблемы со скачиванием могут быть временными.
      load_digest = source_digest context, source, **params.slice(:salt)
      source_format = source&.split('#')&.first&.split('?')&.first&.split('.')&.last&.downcase
      loaded, _, _ = cached_file(context, TMP, load_digest, '.' + source_format) do |target|
        download_file context, source, target
      end
      if loaded
        loaded
      else
        context.warning "Failed download #{ source.inspect } on page #{ context.page.relative_path.inspect }"
        return JekyllIS::Images::Image::Info[source, nil, nil]
      end
    else
      context.site.in_source_dir source
    end

    if params[:format] == 'svg'
      convert_svg context, source_path, full, params
    else
      convert_image context, source_path, full, params
    end
  end

rescue => ex
  context.error "Error with file #{ source.inspect } on page #{ context.page.relative_path.inspect }: #{ ex.inspect }"
end