{{ define "main" }}
  {{ partial "header.html" . }}
  <article id="library">
    <div id="library-content">

        <h2>{{ now.Year }} 年读的书</h2>
        <div class="book-group">
          {{ range where .Site.RegularPages "Section" "library" }}
            {{ if eq .Date.Year now.Year }}
              <div class="book{{ if eq .Params.rating 1 }} badbook{{ end }}{{ if eq .Params.rating 5 }} goodbook{{ end }}">
                <a href="{{ .Permalink }}" class="book-cover" style="view-transition-name: book-{{ .Title }}">
                  <img
                      class="lazy" src="{{ .Params.cover }}!small"
                      style="view-transition-name: book-{{ .File.UniqueID }}" />
                </a>
              </div>
            {{ end }}
          {{ end }}
        </div>

        {{ $years := slice }}
        {{ range where .Site.RegularPages "Section" "library" }}
        {{ $year := string .Date.Year }}
        {{ if not (in $years $year) }}
            {{ $years = $years | append $year }}
        {{ end }}
        {{ end }}

        <div class="markdown-body">
            <p>往年书单：
              {{ $currentYear := printf "%d" now.Year }}
              {{ range $years }}
                {{ if ne . $currentYear }}<a href="{{ printf "/library/%s/" . }}">{{ . }} 年</a>{{ end }}
              {{ end }}
            </p>
        </div>

        <h2>推荐好书</h2>
        <div class="book-group">
        {{ range where (where .Site.RegularPages "Section" "library") ".Params.rating" "==" 5 }}
            <div class="book">
            <a href="{{ .Permalink }}" class="book-cover" style="view-transition-name: book-{{ .Title }}">
                <img
                    class="lazy" src="{{ .Params.cover }}"
                    style="view-transition-name: book-{{ .File.UniqueID }}" />
            </a>
            </div>
        {{ end }}
        </div>
    </div>
  </article>
  {{ partial "footer.html" . }}
{{ end }}