From 0d51e5d9121b85b60f95c3f0821e1bdcc6080472 Mon Sep 17 00:00:00 2001
From: Daniel Klabbers <daniel+git@klabbers.email>
Date: Tue, 14 Dec 2021 12:05:27 +0100
Subject: [PATCH] feat: add partial word match with low weighting

---
 src/Api/Controllers/SearchController.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Api/Controllers/SearchController.php b/src/Api/Controllers/SearchController.php
index 9bd9ae7..57b03b8 100644
--- a/src/Api/Controllers/SearchController.php
+++ b/src/Api/Controllers/SearchController.php
@@ -57,7 +57,8 @@ class SearchController extends ListDiscussionsController
         if (! empty($search)) {
             $filterQuery
                 ->add($this->sentenceMatch($search))
-                ->add($this->wordMatch($search));
+                ->add($this->wordMatch($search))
+                ->add($this->partialMatch($search));
         }
 
         $builder = (new Builder($this->elastic))
@@ -198,9 +199,13 @@ class SearchController extends ListDiscussionsController
 
     protected function wordMatch(string $q)
     {
-        return (new MatchQuery('content', $q))->boost(.3);
+        return (new MatchQuery('content', $q))->boost(.5);
     }
 
+    protected function partialMatch(string $q)
+    {
+        return (new MatchQuery('content', "*$q*"))->boost(.2);
+    }
 
     protected function getGroups(User $actor): Collection
     {