module PostsHelper def post_to_poi(post) # http://layar.com/documentation/browser/api/getpois-response/ { :id => post._id, :imageURL => "%s%s/assets/layar-icons/tal-logo-100.png" % [ request.protocol, request.env['HTTP_HOST'] ], :anchor => { :geolocation => { :lat => post.loc['lat'], :lon => post.loc['lng'], :alt => 0 } }, :text => { :title => decode_entities(post.title), :description => clean_description(post.summary), :footnote => "From #{post.feed.title}" }, :actions => [ { :label => "Read more...", :uri => post.url, :contentType => "text/html", :method => "GET", :activityType => 1 } ] } end def decode_entities(s) HTMLEntities.new.decode s end def clean_description(s) if s.nil? return "" end if s.size > 137 s = s[0..136] + '...' end decode_entities(s.gsub(/<.+?>/, '')) end end