{{- define "partials/author-list.html" -}}
  {{- $authors := . -}}
  {{- if and (ne $authors nil) (gt (len $authors) 0) -}}
  <span class="authors list" itemprop="author" itemscope itemtype="https://schema.org/Person">
    {{- " by " -}}
    {{- range $i, $a := $authors -}}
      {{- if and (ne $i 0) (eq (add $i 1) (len $authors)) -}}and {{ end -}}
      <a href="{{ $a.url }}" target="_blank" itemprop="url"><span itemprop="name">{{ $a.name }}</span></a>
      {{- if ne (add $i 1) (len $authors) -}}, {{ end -}}
    {{- end -}}
  </span>
  {{- end -}}
{{- end -}}

{{- $showCover := ne (.Get 1) false -}}
{{- $book := partial "openlibrary.obj" (dict "path" .Page.Path "id" (.Get 0)) -}}
{{- with $book -}}
{{- if and $showCover .cover -}}
  <figure class="book" itemscope itemtype="https://schema.org/Book">
    <a href="{{ .url }}" target="_blank" title="Open book details" itemprop="url">
      {{- $title := .title -}}
      {{- with .cover -}}
        <img src="{{ .RelPermalink }}" width="{{ .Width }}" height="{{ .Height }}" alt="The cover of the book {{ $title }}" itemprop="image">
      {{- end -}}
    </a>

    <figcaption>
      <cite><a href="{{ .url }}" target="_blank" title="Open book details" itemprop="url"><span itemprop="name">{{ .title }}</span></a></cite>
      {{- partial "partials/author-list.html" .authors -}}
    </figcaption>
  </figure>
{{- else -}}
  <cite><a href="{{ .url }}" target="_blank" title="Open book details" itemprop="name">{{ .title }}</a></cite>
  {{- partial "partials/author-list.html" .authors -}}
{{- end -}}
{{- end -}}