From e9818e182c290f299b5ead8640dbc0baecaccf78 Mon Sep 17 00:00:00 2001
From: Josh Heyer <josh.heyer@enterprisedb.com>
Date: Wed, 4 Oct 2023 20:21:10 +0000
Subject: [PATCH] Custom ranking based on version (latest, not-latest) for
 search results

---
 gatsby-config.js                  | 10 ++++++++++
 src/components/search/index.js    |  1 +
 src/constants/algolia-indexing.js | 10 ++++++++--
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/gatsby-config.js b/gatsby-config.js
index 3a13673d006..c11683f59ce 100644
--- a/gatsby-config.js
+++ b/gatsby-config.js
@@ -380,6 +380,16 @@ module.exports = {
             indexName: algoliaIndex,
           },
         ],
+        mergeSettings: true,
+        settings: {
+          advancedSyntax: true,
+          distinct: true,
+          attributeForDistinct: "pagePath",
+          attributesToSnippet: ["excerpt"],
+          attributesForFaceting: ["product", "type", "version", "isLatest"],
+          customRanking: ["desc(isLatest)", "asc(navDepth)"],
+          searchableAttributes: ["title", "excerpt", "path"],
+        },
         chunkSize: 1000,
         enablePartialUpdates: false,
         skipIndexing: process.env.INDEX_ON_BUILD !== "true",
diff --git a/src/components/search/index.js b/src/components/search/index.js
index ba8ff823299..d96401f4aeb 100644
--- a/src/components/search/index.js
+++ b/src/components/search/index.js
@@ -231,6 +231,7 @@ const SearchBar = ({ searchProduct }) => {
         <InstantSearch
           searchClient={searchClient}
           indexName={algoliaIndex}
+          insights={true}
           className="dropdown"
         >
           <Configure {...searchConfig} />
diff --git a/src/constants/algolia-indexing.js b/src/constants/algolia-indexing.js
index 4c0a3af1cca..4141c0122f4 100644
--- a/src/constants/algolia-indexing.js
+++ b/src/constants/algolia-indexing.js
@@ -39,12 +39,14 @@ const mdxNodeToAlgoliaNode = (node, productVersions) => {
     // switch path to latest (if applicable) to avoid redirects
     const isLatest =
       productVersions[node.fields.product][0] === node.fields.version;
+    newNode["isLatest"] = isLatest;
     if (isLatest) {
       const latestPath = replacePathVersion(node.fields.path);
       newNode["path"] = latestPath;
       newNode["pagePath"] = latestPath;
     }
   } else {
+    newNode["isLatest"] = true;
     newNode["type"] = "guide";
   }
 
@@ -231,6 +233,7 @@ const algoliaTransformer = ({ data }) => {
   while (navStack.length > 0) {
     curr = navStack.pop();
     let parentId = curr.mdxNode?.algoliaId;
+    let parentDepth = curr.mdxNode?.navDepth || 0;
     for (let child of curr.children)
       if (child.mdxNode)
         child.mdxNode.algoliaId = child.path
@@ -251,12 +254,15 @@ const algoliaTransformer = ({ data }) => {
         ),
     );
     // used to set fallback sort in algolia to navigation order
-    for (let i = 0; i < navigation.length; ++i)
-      if (navigation[i].mdxNode)
+    for (let i = 0; i < navigation.length; ++i) {
+      if (navigation[i].mdxNode) {
         navigation[i].mdxNode.algoliaId =
           (parentId || navigation[i].path.split("/").slice(0, -2).join("")) +
           (navigation.length - i).toString().padStart(3, "0") +
           navigation[i].mdxNode.algoliaId;
+        navigation[i].mdxNode.navDepth = parentDepth + 1;
+      }
+    }
     navStack.push(...navigation);
     if (!curr.mdxNode) continue;