{{- $gridSize := $.Site.Params.photos.thumbnailSize -}}

{{- $thumbnail := partial "photostream/thumbnail.html" (dict "Page" . "Width" $gridSize "Height" $gridSize) -}}
{{- $thumbnail = $thumbnail.Crop (printf "%dx%d" $gridSize $gridSize) -}}

{{- $altText := $thumbnail.Params.alt -}}

{{- $linkTitle := .LinkTitle -}}
{{- $showsTitle := le (len ($linkTitle | plainify)) 18 -}}
{{- if not $showsTitle -}}
  {{ warnf "Title for photostream item is too long for grid: %s" .Permalink }}  
{{- end -}}

<article class="photostream-item">
  {{ if $showsTitle }}
    <h3 class="photostream-item__title">{{ $linkTitle | markdownify }}</h3>
  {{ end }}
  <a href="{{ .RelPermalink }}"
    {{- if not $showsTitle }} title="{{ .Title | markdownify }}"{{ end }}>
    <img
      class="photostream-item__thumbnail"
      src="{{ $thumbnail.RelPermalink }}"
      {{- with $altText }} alt="{{ . }}"{{ end }}>
  </a>
  <time class="photostream-item__date">{{ .Date | time.Format "2006-01-02" }}</time>
</article>