module AttachmentToHTML
module Adapters
# Renders the attachment in a Google Docs Viewer
class GoogleDocsViewer
attr_reader :attachment, :attachment_url
# Public: Initialize a GoogleDocsViewer converter
#
# attachment - the FoiAttachment to convert to HTML
# opts - a Hash of options (default: {}):
# :attachment_url - a String url to the attachment for
# Google to render (default: nil)
def initialize(attachment, opts = {})
@attachment = attachment
@attachment_url = opts.fetch(:attachment_url, nil)
end
# Public: The title to use in the tag
#
# Returns a String
def title
@title ||= attachment.display_filename
end
# Public: The contents of the extracted html <body> tag
#
# Returns a String
def body
@body ||= parse_body
end
# Public: Was the document conversion successful?
# We can't really tell whether the document conversion has been
# successful as such; We're assuming that given a correctly
# constructed iframe (which is tested) that Google will make this
# Just Work.
#
# Returns true
def success?
true
end
private
def parse_body
%Q(<iframe src="#{ protocol }://docs.google.com/viewer?url=#{ attachment_url }&embedded=true" width="100%" height="100%" style="border: none;"></iframe>)
end
def protocol
AlaveteliConfiguration.force_ssl ? 'https' : 'http'
end
end
end
end