hyzendust.github.io/layouts/subjectcode/term.html

{{ define "main" }}

{{ $subjectCode := .Title }}

{{/* Get semester from first post */}}
{{ $semester := "" }}
{{ range .Pages }}
  {{ if eq $semester "" }}
    {{ $raw := .Params.semester }}
    {{ if reflect.IsSlice $raw }}
      {{ $semester = index $raw 0 }}
    {{ else }}
      {{ $semester = $raw }}
    {{ end }}
  {{ end }}
{{ end }}

<nav class="uninotes-breadcrumbs breadcrumbs">
  <a href="/uninotes/">UniNotes</a>
  {{ if $semester }}
    {{ $semPage := site.GetPage (printf "/semester/%s" ($semester | urlize)) }}
    {{ if $semPage }}
      › <a href="{{ $semPage.RelPermalink }}">{{ $semester }}</a>
    {{ end }}
  {{ end }}
  › <span>{{ $subjectCode }}</span>
</nav>

<h1>{{ $subjectCode }}</h1>

{{/* Collect unique unit labels and sort numerically */}}
{{ $seenUnits := slice }}
{{ $unitDicts := slice }}
{{ range .Pages }}
  {{ $unitLabel := (.Params.unit | default .Title) }}
  {{ if not (in $seenUnits $unitLabel) }}
    {{ $seenUnits = $seenUnits | append $unitLabel }}
    {{/* Extract unit number for numeric sort, e.g. "Unit 11" → 11 */}}
    {{ $uParts := split $unitLabel " " }}
    {{ $uLast := index $uParts (sub (len $uParts) 1) }}
    {{ $uNumStr := "" }}
    {{ range (split $uLast "") }}
      {{ if ge . "0" }}{{ if le . "9" }}{{ $uNumStr = printf "%s%s" $uNumStr . }}{{ end }}{{ end }}
    {{ end }}
    {{ $uNum := int ($uNumStr | default "0") }}
    {{ $unitDicts = $unitDicts | append (dict "label" $unitLabel "page" . "num" $uNum) }}
  {{ end }}
{{ end }}
{{ $sortedUnitDicts := sort $unitDicts "num" }}

<ul class="uninotes-list uninotes-list--units">
  {{ range $sortedUnitDicts }}
    <li class="uninotes-list__item">
      <a class="uninotes-list__link" href="{{ .page.Params.uniturl }}">
        {{ .label }}
      </a>
    </li>
  {{ end }}
</ul>

{{/* Subject prev/next — siblings in same semester, sorted numerically by code number */}}
{{ if $semester }}
  {{ $semPage := site.GetPage (printf "/semester/%s" ($semester | urlize)) }}
  {{ if $semPage }}
    {{/* Collect unique subject codes */}}
    {{ $siblingCodes := slice }}
    {{ range $semPage.Pages }}
      {{ $raw := .Params.subjectcode }}
      {{ $code := "" }}
      {{ if reflect.IsSlice $raw }}
        {{ $code = index $raw 0 }}
      {{ else }}
        {{ $code = $raw }}
      {{ end }}
      {{ if and $code (not (in $siblingCodes $code)) }}
        {{ $siblingCodes = $siblingCodes | append $code }}
      {{ end }}
    {{ end }}

    {{/* Sort subject codes numerically by extracting the number (e.g. "BO DCM1109" → 1109) */}}
    {{ $codeDicts := slice }}
    {{ range $siblingCodes }}
      {{ $code := . }}
      {{ $parts := split $code " " }}
      {{ $lastPart := index $parts (sub (len $parts) 1) }}
      {{ $numStr := "" }}
      {{ range (split $lastPart "") }}
        {{ if ge . "0" }}{{ if le . "9" }}{{ $numStr = printf "%s%s" $numStr . }}{{ end }}{{ end }}
      {{ end }}
      {{ $num := int ($numStr | default "0") }}
      {{ $codeDicts = $codeDicts | append (dict "code" $code "num" $num) }}
    {{ end }}
    {{ $sortedCodeDicts := sort $codeDicts "num" }}

    {{ if gt (len $sortedCodeDicts) 1 }}
      {{ $currentIdx := 0 }}
      {{ range $i, $d := $sortedCodeDicts }}
        {{ if eq $d.code $subjectCode }}{{ $currentIdx = $i }}{{ end }}
      {{ end }}
      <nav class="page-nav">
        {{ if gt $currentIdx 0 }}
          {{ $prevCode := (index $sortedCodeDicts (sub $currentIdx 1)).code }}
          {{ $prevPage := site.GetPage (printf "/subjectcode/%s" ($prevCode | urlize)) }}
          {{ if $prevPage }}
            <a class="page-nav__previous-link" href="{{ $prevPage.RelPermalink }}">← {{ $prevCode }}</a>
          {{ end }}
        {{ end }}
        {{ if lt $currentIdx (sub (len $sortedCodeDicts) 1) }}
          {{ $nextCode := (index $sortedCodeDicts (add $currentIdx 1)).code }}
          {{ $nextPage := site.GetPage (printf "/subjectcode/%s" ($nextCode | urlize)) }}
          {{ if $nextPage }}
            <a class="page-nav__next-link" href="{{ $nextPage.RelPermalink }}">{{ $nextCode }} →</a>
          {{ end }}
        {{ end }}
      </nav>
    {{ end }}
  {{ end }}
{{ end }}

{{ end }}