feat: add `show_related` option to control related content

The following option has been added to `params.toml` to control related content on pages:

`show_related = {docs = true, page = false, post = true, project = true, publication = true, talk = true}`

exampleSite/config/_default/config.toml

@@ -1,5 +1,6 @@
-# Configuration of Academic
-# Documentation: https://sourcethemes.com/academic/
+# Configuration of Hugo
+# Guide: https://sourcethemes.com/academic/docs/get-started/
+# Hugo Documentation: https://gohugo.io/getting-started/configuration/#all-configuration-settings
 #
 # This file is formatted using TOML syntax - learn more at https://learnxinyminutes.com/docs/toml/
 # Each configuration section is defined by a name in square brackets (e.g. `[outputs]`).
@@ -55,6 +56,7 @@ ignoreFiles = ["\\.ipynb$", ".ipynb_checkpoints$", "\\.Rmd$", "\\.Rmarkdown$", "
   mediaType = "application/manifest+json"
   rel = "manifest"
 
+# Configure the Markdown renderer.
 [markup]
   defaultMarkdownHandler = "goldmark"
   [markup.goldmark]
@@ -77,3 +79,29 @@ ignoreFiles = ["\\.ipynb$", ".ipynb_checkpoints$", "\\.Rmd$", "\\.Rmarkdown$", "
   category = "categories"
   publication_type = "publication_types"
   author = "authors"
+
+# Related content.
+[related]
+  threshold = 80.0
+  includeNewer = true
+  toLower = true
+
+  [[related.indices]]
+    name = "title"
+    weight = 60.0
+
+  [[related.indices]]
+    name = "summary"
+    weight = 50.0
+
+  [[related.indices]]
+    name = "tags"
+    weight = 80.0
+
+  [[related.indices]]
+    name = "categories"
+    weight = 70.0
+
+  [[related.indices]]
+    name = "authors"
+    weight = 20.0

exampleSite/config/_default/params.toml

@@ -1,5 +1,9 @@
 # SITE SETUP
-# Documentation: https://sourcethemes.com/academic/
+# Guide: https://sourcethemes.com/academic/docs/get-started/
+# Documentation: https://sourcethemes.com/academic/docs/
+#
+# This file is formatted using TOML syntax - learn more at https://learnxinyminutes.com/docs/toml/
+# Each configuration section is defined by a name in square brackets (e.g. `[search]`).
 
 ############################
 ## Theme
@@ -73,6 +77,9 @@ privacy_pack = false
 #   `repo` defines the repository URL. `editable` defines which page types can be edited.
 edit_page = {repo_url = "https://github.com/gcushen/hugo-academic", content_dir = "", repo_branch = "master", editable = {docs = true, page = false, post = false}}
 
+# Show related content at the bottom of pages?
+show_related = {docs = true, page = false, post = true, project = true, publication = true, talk = true}
+
 ############################
 ## Contact details
 ##

layouts/partials/docs_layout.html

@@ -44,6 +44,8 @@
           {{ partial "page_edit" . }}
 
           {{ partial "comments" . }}
+
+          {{ partial "page_related" . }}
         </div>
 
       </article>

layouts/partials/page_footer.html

@@ -10,16 +10,4 @@
 </div>
 {{ end }}
 
-{{ if ne .Type "page" }}
-  {{ $related := site.RegularPages.Related . | first 5 }}
-  {{ with $related }}
-  <div class="article-widget content-widget-hr">
-    <h3>{{ i18n "related" }}</h3>
-    <ul>
-      {{ range . }}
-      <li><a href="{{ .RelPermalink }}">{{ .Title }}</a></li>
-      {{ end }}
-    </ul>
-  </div>
-  {{ end }}
-{{ end }}
+{{ partial "page_related" . }}

layouts/partials/page_related.html

@@ -0,0 +1,13 @@
+{{ if (index site.Params.show_related .Type) | and (ne .Params.show_related false) | or .Params.show_related }}
+  {{ $related := site.RegularPages.Related . | first 5 }}
+  {{ with $related }}
+  <div class="article-widget content-widget-hr">
+    <h3>{{ i18n "related" }}</h3>
+    <ul>
+      {{ range . }}
+      <li><a href="{{ .RelPermalink }}">{{ .Title }}</a></li>
+      {{ end }}
+    </ul>
+  </div>
+  {{ end }}
+{{ end }}