{{ $fileName := printf "images/ogp/cosin_icon_%s.png" (string .Site.Data.cosin.date_year) }}
{{ $logo := or (resources.Get $fileName) (resources.Get "images/ogp/cosin_icon_generic.png") }}

<meta property="og:type" content="website"/>
<meta property="og:site_name" content="{{ .Site.Title }}"/>
<meta property="og:title" content="{{ .Title }}"/>
<meta property="og:url" content="{{ .Permalink | absURL }}"/>
{{ with $logo }}
  <meta property="og:image" content="{{ .Permalink }}"/>
  <meta property="og:image:type" content="{{ .MediaType }}"/>
  <meta property="og:image:width" content="{{ .Width }}"/>
  <meta property="og:image:height" content="{{ .Height }}"/>
  <meta property="og:image:alt" content="CoSin Icon {{ string $.Site.Data.cosin.date_year }}"/>
{{ end }}