improve people query and indexing

app/Http/QueryBuilder/SearchQueryBuilderPeople.php

@@ -34,10 +34,11 @@ class SearchQueryBuilderPeople implements SearchQueryBuilderInterface
         if (!empty($query) && is_null($letter)) {
 
             $results = $results
-                ->where('name', 'like', "%{$query}%")
-                ->orWhere('given_name', 'like', "%{$query}%")
-                ->orWhere('family_name', 'like', "%{$query}%")
-                ->orWhere('alternate_names', 'like', "%{$query}%");
+                ->whereRaw([
+                    '$text' => [
+                        '$search' => $query
+                    ]
+                ]);
         }
 
         if (!is_null($letter)) {

database/migrations/2020_06_08_093231_create_people_table.php

@@ -29,6 +29,24 @@ class CreatePeopleTable extends Migration
             $table->index('voice_acting_roles');
             $table->index('anime_staff_positions');
             $table->index('published_manga');
+            $table->index([
+                'name' => 'text',
+                'given_name' => 'text',
+                'family_name' => 'text',
+                'alternate_names' => 'text',
+            ],
+                'people_search_index',
+                null,
+                [
+                    'weights' => [
+                        'name' => 50,
+                        'given_name' => 10,
+                        'family_name' => 10,
+                        'alternate_names' => 1
+                    ],
+                    'name' => 'people_search_index'
+                ]
+            );
         });
     }