path: root/themes/default/layouts/partials/generate-feeds.html

{{- $author := index .Site.Data ((or .Params.author .Site.Author.default.user) | default "default") -}}

{{- $feeds := slice -}}

{{- if $author.webring.rss -}}
  {{- range $key, $value := (seq 3) -}}
    {{- range $author.webring.rss -}}

      {{- with resources.GetRemote . -}}
        {{- with .Err -}}
          {{- warnf "Feed fetch %s" . -}}
        {{- end -}}
      {{- end -}}

      {{- with resources.GetRemote . | transform.Unmarshal -}}

        {{- $title              := "No Title Found" -}}
        {{- $link               := "https://example.com/link" -}}
        {{- $description        := "No description found." -}}
        {{- $content            := "No content found." -}}
        {{- $sourceTitle        := "No source title found" -}}
        {{- $sourceLink         := "https://example.com/" -}}
        {{- $sourceDescription  := "No source description found." -}}
        {{- $date               := now.Format "2006-01-02T15:04:05Z" -}}
        {{- $enclosure          := "" -}}

        {{- with .channel -}}

          {{- $sourceTitle       = .title -}}
          {{- $sourceDescription = .description -}}

          {{- if reflect.IsSlice .link -}}
            {{- if reflect.IsMap (index .link 0) -}}
              {{- $sourceLink = index (index .link 0) "-href" -}}
            {{- else -}}
              {{- $sourceLink = index .link 0 -}}
            {{- end -}}
          {{- else -}}
            {{- $sourceLink = .link -}}
          {{- end -}}

          {{- with .item -}}
            {{- if reflect.IsMap . -}}
                {{- $title = index . "title" -}}
                {{- $link  = index . "link" -}}
                {{- $date  = index . "pubDate" -}}
            {{- else -}}
              {{- range first $value . -}}
                {{- $description = .description -}}
                {{- $content     = .description -}}
                {{- $title       = .title -}}
                {{- $link        = .link -}}
                {{- $date        = .pubDate -}}
                {{- with .enclosure -}}
                  {{- $enclosure = index . "-url" -}}
                {{- end -}}
              {{- end -}}
            {{- end -}}
          {{- end -}}

          {{- if not $date -}}
            {{- $date = .lastBuildDate -}}
          {{- end -}}

        {{- else -}}

          {{- with .link -}}
            {{- $sourceLink = index (index . 0) "-href" -}}
          {{- end -}}

          {{- with .subtitle -}}
            {{- if reflect.IsMap . -}}
              {{- $sourceDescription = index . "#text" -}}
            {{- else -}}
              {{- $sourceDescription = . -}}
            {{- end -}}
          {{- end -}}

          {{- with .title -}}
            {{- if reflect.IsMap . -}}
              {{- $sourceTitle = index . "#text" -}}
            {{- else -}}
              {{- $sourceTitle = . -}}
            {{- end -}}
          {{- end -}}

          {{- with .entry -}}
            {{- range first $value . -}}
              {{- $date = .updated -}}

              {{- with .link -}}
                {{- if reflect.IsMap . -}}
                  {{- $link = index . "-href" -}}
                {{- else -}}
                  {{- if reflect.IsMap (index . 0) -}}
                    {{- $link = index (index . 0) "-href" -}}
                  {{- else -}}
                    {{- $link = . -}}
                  {{- end -}}
                {{- end -}}
              {{- end -}}

              {{- with .title -}}
                {{- if reflect.IsMap . -}}
                  {{- $title = index . "#text" -}}
                {{- else -}}
                  {{- $title = . -}}
                {{- end -}}
              {{- end -}}

              {{- with .content -}}
                {{- $content = index . "#text" -}}
              {{- end -}}

              {{- with .summary -}}
                {{- $description = index . "#text" -}}
              {{- end -}}

              {{- with .group -}}
                {{- $description = .description -}}
                {{- $content     = index .content "#text" -}}
                {{- $enclosure   = index .thumbnail "-url" -}}
              {{- end -}}
            {{- end -}}
          {{- end -}}

        {{- end -}}

        {{- /* Common time zone typos. */ -}}
        {{- $date = strings.Replace $date "G6T" "GST" -}}

        {{- /* If missing seconds split and try again. */ -}}
        {{- if lt (len (split $date ":")) 3 -}}
          {{- $date = delimit (first 3 (after 1 (split $date " "))) " " -}}
        {{- end -}}

        {{
          $feeds = $feeds | append (dict
            "FeedContent"           ($content | plainify | htmlUnescape)
            "FeedContentShort"      (delimit (first 2 (split ($content | plainify | htmlUnescape) "\n")) " " | truncate 250)
            "FeedDate"              ($date | plainify | htmlUnescape | time.Format "January 2, 2006")
            "FeedDateTime"          ($date | plainify | htmlUnescape | time.Format "2006-01-02T15:04:05Z")
            "FeedDateTitle"         ($date | plainify | htmlUnescape | time.Format "Monday, January 2 2006 at 15:04:05 MST")
            "FeedDescription"       ($description | plainify | htmlUnescape)
            "FeedDescriptionShort"  (delimit (first 2 (split ($description | plainify | htmlUnescape) "\n")) " " | truncate 250)
            "FeedEnclosure"         ($enclosure | plainify | htmlUnescape)
            "FeedLink"              ($link | plainify | htmlUnescape)
            "FeedName"              (delimit ((delimit (first 2 (split ($sourceTitle | plainify | htmlUnescape) " ")) " ") | findRE "^([^.|?|!|\n|\"|]+)") " " | replaceRE "[^a-zA-Z ]" "")
            "FeedSourceDescription" ($sourceDescription | plainify | htmlUnescape)
            "FeedSourceDomain"      (($sourceLink | plainify | htmlUnescape | urls.Parse).Host)
            "FeedSourceLink"        ($sourceLink | plainify | htmlUnescape)
            "FeedSourceTitle"       ($sourceTitle | plainify | htmlUnescape)
            "FeedTitle"             ($title | plainify | htmlUnescape)
          )
        -}}

      {{- end -}}
    {{- end -}}
  {{- end -}}

  {{- range $feeds -}}

    {{- $imageCanonicalURL :=
      (print
        "https://t1.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&url="
        "http://"
        .FeedSourceDomain
        "&size=64"
      )
    -}}

    {{- $404image := resources.Get "data/media/404.png" -}}
    {{- $imageSource := $404image.RelPermalink -}}
    {{- $imageTitle := "No image found" -}}

    {{- with $image := resources.GetRemote $imageCanonicalURL -}}
      {{- with .Err -}}
        {{- warnf "%s" . -}}
      {{- else -}}
        {{- $imageContent := $image.Content | resources.FromString (print (partial "function-paths-media.html") "/" ($image | urlize)) -}}
        {{- $imageSource = $imageContent.RelPermalink -}}
        {{- $imageTitle = $imageCanonicalURL -}}
      {{- end -}}
    {{- end -}}

    {{- $template := resources.Get "templates/markdown-feed.yaml" -}}
    {{- $name := print (delimit (first 8 (split (.FeedTitle | urlize) "-")) "-" | humanize | urlize) "-" (.FeedLink | sha256 | truncate 8 "") | humanize | urlize -}}
    {{- $path := print "/data/generates/content/" $author.user "/feeds/" $name ".md" -}}

    {{- $description := .FeedDescriptionShort -}}
    {{- if gt (len .FeedTitle) (len .FeedDescriptionShort) -}}
     {{- $description = .FeedTitle -}}
    {{- end -}}

    {{- $content := .FeedContentShort -}}
    {{- if or (eq $content "No content found.") (gt (len .FeedTitle) (len $content)) -}}
     {{- $content = .FeedTitle -}}
    {{- end -}}

    {{- $link := .FeedLink -}}
    {{- $enclosure := .FeedEnclosure -}}
    {{- if or
      (in .FeedLink ".apng")
      (in .FeedLink ".avif")
      (in .FeedLink ".gif")
      (in .FeedLink ".jfif")
      (in .FeedLink ".jpeg")
      (in .FeedLink ".jpg")
      (in .FeedLink ".pjp")
      (in .FeedLink ".pjpeg")
      (in .FeedLink ".png")
      (in .FeedLink ".svg")
      (in .FeedLink ".webp")
    -}}
      {{- if (.Feedlink | urls.Parse).Host -}}
      {{- else -}}
       {{- $enclosure = print "http://" .FeedSourceDomain .FeedLink -}}
       {{- $link = $enclosure -}}
      {{- end -}}
    {{- end -}}

    {{- $markdown := resources.ExecuteAsTemplate
       $path
       (dict
        "author"      $author.user
        "content"     $content
        "date"        .FeedDateTime
        "description" .FeedSourceTitle
        "domain"      .FeedSourceDomain
        "enclosure"   $enclosure
        "image"       $imageSource
        "link"        $link
        "name"        .FeedName
        "raw"         (strings.TrimLeft "/" $path)
        "self"        (print $author.user "/feeds/" $name "/")
        "tags"        "[rss]"
       )
       $template
    -}}
    {{- $writeToFile := $markdown.RelPermalink -}}
  {{ end }}

    <web-ring>
      <h1>Web Ring</h1>
        <aside>
          {{ range first 3 (uniq (sort $feeds "FeedDateTime" "desc")) }}
            <web-ring-item>
              <header>
                <a
                  title="{{ .FeedLink }}"
                  href="{{ .FeedLink }}">
                  {{ .FeedTitle }}
                </a>
              </header>

              <p>
                <time
                  title="{{ .FeedDateTitle }}"
                  datetime="{{ .FeedDateTime }}">
                  {{ .FeedDate }}
                </time>
                {{ if gt (len .FeedDescriptionShort) (len .FeedContentShort) -}}
                  {{ "--" | markdownify }} {{ .FeedDescriptionShort }}
                {{- else -}}
                  {{ "--" | markdownify }} {{ .FeedContentShort }}
                {{- end }}
              </p>

              <a
                title="{{ .FeedSourceDescription }}"
                href="{{ .FeedSourceLink }}">
                {{ .FeedSourceTitle }}
              </a>
            </web-ring-item>
          {{ end }}
      </aside>
    </web-ring>
{{- end -}}