Module: AttachmentHelper

Defined in:
app/helpers/attachment_helper.rb

Instance Method Summary collapse

Instance Method Details

#attachment_field(object_name, method, options = {}) ⇒ Object 



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# File 'app/helpers/attachment_helper.rb', line 25

def attachment_field(object_name, method, options = {})
  if options[:object]
    cache = options[:object].send(:"#{method}_attachment").cache

    if options[:direct]
      host = Defile.host || root_url
      backend_name = Defile.backends.key(cache)

      options[:data] ||= {}
      options[:data][:direct] = true
      options[:data][:as] = "file"
      options[:data][:url] = File.join(host, defile_app_path, backend_name)
    end

    if options[:presigned] and cache.respond_to?(:presign)
      signature = cache.presign
      options[:data] ||= {}
      options[:data][:direct] = true
      options[:data][:id] = signature.id
      options[:data][:url] = signature.url
      options[:data][:fields] = signature.fields
      options[:data][:as] = signature.as
    end
  end
  hidden_field(object_name, :"#{method}_cache_id", options.slice(:object)) +
  file_field(object_name, method, options)
end

#attachment_image_tag(record, name, *args, fallback: nil, format: nil, **options) ⇒ Object 



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# File 'app/helpers/attachment_helper.rb', line 13

def attachment_image_tag(record, name, *args, fallback: nil, format: nil, **options)
  file = record.send(name)
  classes = ["attachment", record.class.model_name.singular, name, *options[:class]]

  if file
    image_tag(attachment_url(record, name, *args, format: format), options.merge(class: classes))
  elsif fallback
    classes << "fallback"
    image_tag(fallback, options.merge(class: classes))
  end
end

#attachment_url(record, name, *args, filename: nil, format: nil) ⇒ Object 



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# File 'app/helpers/attachment_helper.rb', line 2

def attachment_url(record, name, *args, filename: nil, format: nil)
  file = record.send(name)

  filename ||= name.to_s

  backend_name = Defile.backends.key(file.backend)
  host = Defile.host || root_url

  File.join(host, defile_app_path, backend_name, *args.map(&:to_s), file.id, filename.parameterize("_"))
end