feat: add folder filter to Pages widget

New front matter key: `content.filters.folders`

wowchemy/layouts/partials/widget_page.html

@@ -53,8 +53,8 @@
   {{ if $bg.image }}
     {{/* See Hugo note on linking assets in styles: https://github.com/gohugoio/hugoThemes#common-permalink-issues */}}
     {{ $bg_img := resources.Get (printf "media/%s" $bg.image) }}
-    {{ $bg_img = $bg_img.Fit "1920x1920 webp" }}
     {{ if $bg_img }}
+      {{ $bg_img = $bg_img.Fit "1920x1920 webp" }}
       {{ $style_bg = printf "%sbackground-image: url('%s');" $style_bg $bg_img.Permalink }}
     {{ else }}
       {{ errorf "Couldn't find `%s` in the `assets/media/` folder - please add it." $bg.image }}

wowchemy/layouts/partials/widgets/pages.html

@@ -1,9 +1,10 @@
 {{/* Pages Widget */}}
+{{/* https://wowchemy.com/docs/widget/ */}}
 
 {{/* Initialise */}}
 {{ $ := .root }}
 {{ $st := .page }}
-{{ $items_type := $st.Params.content.page_type | default "post" }}
+
 {{ $items_offset := $st.Params.content.offset | default 0 }}
 {{ $items_count := $st.Params.content.count }}
 {{ if eq $items_count 0 }}
@@ -14,10 +15,21 @@
 {{ $items_sort := $st.Params.content.order | default "desc" }}
 
 {{/* Query */}}
-{{ $query := where site.RegularPages "Type" $items_type }}
-{{ $archive_page := site.GetPage "Section" $items_type }}
+{{ $query := site.RegularPages }}
+{{ $archive_page := "" }}
 
 {{/* Filters */}}
+{{ if $st.Params.content.page_type }}
+  {{ $query = where $query "Type" $st.Params.content.page_type }}
+  {{ $archive_page = site.GetPage "Section" $st.Params.content.page_type }}
+{{ end }}
+{{ if $st.Params.content.filters.folders }}
+  {{ $folders := $st.Params.content.filters.folders }}
+  {{ $query = where $query "Section" "in" $folders }}
+  {{/* Init archive page to main folder */}}
+  {{ $main_folder := index $folders 0 }}
+  {{ $archive_page = site.GetPage "Section" $main_folder }}
+{{ end }}
 {{ if $st.Params.content.filters.tag }}
   {{ $archive_page = site.GetPage (printf "tags/%s" (urlize $st.Params.content.filters.tag)) }}
   {{ $query = $query | intersect $archive_page.Pages }}
@@ -57,31 +69,19 @@
   {{ $query = first $items_count $query }}
 {{ end }}
 
-{{/* Localisation */}}
-{{ $i18n := "" }}
-{{ if eq $items_type "post" }}
-  {{ $i18n = "more_posts" }}
-{{ else if eq $items_type "event" }}
-  {{ $i18n = "more_talks" }}
-{{ else if eq $items_type "publication" }}
-  {{ $i18n = "more_publications" }}
-{{ else }}
-  {{ $i18n = "more_pages" }}
-{{ end }}
-
 {{ $columns := $st.Params.design.columns | default "2" }}
 
 <div class="col-12 {{if eq $columns "2"}}col-lg-8{{end}}">
 
   {{ with $st.Content }}{{ . }}{{ end }}
 
-  {{ range $index, $post := $query }}
+  {{ range $index, $item := $query }}
     {{ partial "functions/render_view" (dict "page" $st "item" . "view" ($st.Params.design.view | default "compact") "index" $index) }}
   {{end}}
 
   {{/* Archive link */}}
   {{ $show_archive_link := $st.Params.content.archive.enable | default (gt $count $items_count) }}
-  {{ if $show_archive_link }}
+  {{ if $show_archive_link | and $archive_page }}
 
     {{ $archive_link := "" }}
     {{ if $st.Params.content.archive.link }}
@@ -90,6 +90,19 @@
       {{ $archive_link = $archive_page.RelPermalink }}
     {{ end }}
 
+    {{/* Localisation */}}
+    {{ $items_type := $archive_page.Type }}
+    {{ $i18n := "" }}
+    {{ if eq $items_type "post" }}
+      {{ $i18n = "more_posts" }}
+    {{ else if eq $items_type "event" }}
+      {{ $i18n = "more_talks" }}
+    {{ else if eq $items_type "publication" }}
+      {{ $i18n = "more_publications" }}
+    {{ else }}
+      {{ $i18n = "more_pages" }}
+    {{ end }}
+
     {{ $archive_text := $st.Params.content.archive.text | default (i18n $i18n) | default "See all" }}
 
     <div class="see-all">