From 09d4e07d4fe3156a6196b5e44df987a6f1626a86 Mon Sep 17 00:00:00 2001
From: George Cushen <gcushen@users.noreply.github.com>
Date: Fri, 8 Feb 2019 17:48:17 +0000
Subject: [PATCH] feat(search): enable searching by author name or category

Also, attempt to increase relevancy of search results in general.

Close #921
---
 assets/js/academic-search.js |  8 +++++---
 layouts/index.json           | 39 +++++++++++++++++++++++++++++++++---
 2 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/assets/js/academic-search.js b/assets/js/academic-search.js
index 79a6401b..d4a84ae1 100644
--- a/assets/js/academic-search.js
+++ b/assets/js/academic-search.js
@@ -20,10 +20,12 @@ let fuseOptions = {
   maxPatternLength: 32,
   minMatchCharLength: 2,
   keys: [
-    {name:'title', weight:0.8},
+    {name:'title', weight:0.99}, /* 1.0 doesn't work o_O */
     {name:'summary', weight:0.6},
-    {name:'content', weight:0.5},
-    {name:'tags', weight:0.3}
+    {name:'authors', weight:0.5},
+    {name:'content', weight:0.2},
+    {name:'tags', weight:0.5},
+    {name:'categories', weight:0.5}
   ]
 };
 
diff --git a/layouts/index.json b/layouts/index.json
index c6be5be1..0863ffb6 100644
--- a/layouts/index.json
+++ b/layouts/index.json
@@ -3,8 +3,8 @@
 {{- $pages := where .Site.RegularPages "Section" "!=" "home" -}}
 {{- /* Add the index page of docs separately since it's not in RegularPages above. */ -}}
 {{- $pages := $pages | union (where (where .Site.Pages "Kind" "section") "Type" "docs") -}}
-{{- /* Add author pages to index so their bios can be searched. */ -}}
-{{- $pages := $pages | union (where $.Site.Pages "Section" "author") -}}
+{{- /* Add author pages to index so their bios can be searched. Hide empty `/author/` node. */ -}}
+{{- $pages := $pages | union (where (where $.Site.Pages "Section" "author") "Params.name" "!=" nil) -}}
 
 {{- range $pages -}}
   {{- /* Do not index drafts or private pages. */ -}}
@@ -20,8 +20,41 @@
       {{- $desc = .Summary -}}
     {{- end -}}
 
+    {{- $authors := .Params.authors -}}
+    {{- $title := .Title}}
+    {{- $rel_permalink := .RelPermalink -}}
+    {{- $permalink := .Permalink -}}
+
+    {{/* Correct the title and URL for author profile pages. */}}
+    {{- if eq .Section "author" -}}
+      {{- $title = .Params.name -}}
+      {{- $dir := path.Base (path.Split .Path).Dir -}}
+      {{- with $.Site.GetPage (printf "/authors/%s" (path.Base (path.Split .Path).Dir)) -}}
+        {{- $permalink = .Permalink -}}
+        {{- $rel_permalink = .RelPermalink -}}
+      {{- end -}}
+    {{- else -}}
+      {{/* Include a user's display name rather than username where possible. */}}
+      {{- if .Params.authors -}}
+        {{- $authorLen := len .Params.authors -}}
+        {{- if gt $authorLen 0 -}}
+          {{- $authors = slice -}}
+            {{- range $k, $v := .Params.authors -}}
+              {{- $person_page_path := (printf "/author/%s" (urlize $v)) -}}
+              {{- $person_page := $.Site.GetPage $person_page_path -}}
+              {{- if $person_page -}}
+                {{- $person := $person_page.Params -}}
+                {{- $authors = $authors | append $person.name -}}
+              {{- else -}}
+                {{- $authors = $authors | append ($v | plainify) -}}
+              {{- end -}}
+            {{- end -}}
+          {{- end -}}
+        {{- end -}}
+    {{- end -}}
+
     {{- /* Add page to index. */ -}}
-    {{- $index = $index | append (dict "objectID" .UniqueID "date" .Date.UTC.Unix "publishdate" .PublishDate "lastmod" .Lastmod.UTC.Unix "expirydate" .ExpiryDate.UTC.Unix "lang" .Lang "permalink" .Permalink "relpermalink" .RelPermalink "title" .Title "summary" (plainify $desc) "content" .Plain "authors" .Params.Authors "kind" .Kind "type" .Type "section" .Section "tags" .Params.Tags "categories" .Params.Categories) -}}
+    {{- $index = $index | append (dict "objectID" .UniqueID "date" .Date.UTC.Unix "publishdate" .PublishDate "lastmod" .Lastmod.UTC.Unix "expirydate" .ExpiryDate.UTC.Unix "lang" .Lang "permalink" $permalink "relpermalink" $rel_permalink "title" $title "summary" (plainify $desc) "content" .Plain "authors" $authors "kind" .Kind "type" .Type "section" .Section "tags" .Params.Tags "categories" .Params.Categories) -}}
 
   {{- end -}}
 {{- end -}}