From 3e79b86179ae129add19cc7b404eea2d849e6fa5 Mon Sep 17 00:00:00 2001
From: Hongbo Wu <hongbo@omnivore.app>
Date: Mon, 12 Dec 2022 22:09:25 +0800
Subject: [PATCH] Allow search recommendations with wildcard

---
 packages/api/src/elastic/pages.ts | 19 ++++++++++++++-----
 packages/api/src/elastic/types.ts |  5 ++++-
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/packages/api/src/elastic/pages.ts b/packages/api/src/elastic/pages.ts
index 315515a0b..b93406192 100644
--- a/packages/api/src/elastic/pages.ts
+++ b/packages/api/src/elastic/pages.ts
@@ -187,14 +187,23 @@ const appendIdsFilter = (body: SearchBody, ids: string[]): void => {
 }
 
 const appendRecommendedBy = (body: SearchBody, recommendedBy: string): void => {
+  const query =
+    recommendedBy === '*'
+      ? {
+          exists: {
+            field: 'recommendations',
+          },
+        }
+      : {
+          term: {
+            'recommendations.name': recommendedBy,
+          },
+        }
+
   body.query.bool.must.push({
     nested: {
       path: 'recommendations',
-      query: {
-        term: {
-          'recommendations.name': recommendedBy,
-        },
-      },
+      query,
     },
   })
 }
diff --git a/packages/api/src/elastic/types.ts b/packages/api/src/elastic/types.ts
index 070cf39ec..b27cef16d 100644
--- a/packages/api/src/elastic/types.ts
+++ b/packages/api/src/elastic/types.ts
@@ -55,7 +55,10 @@ export interface SearchBody {
             nested: {
               path: 'recommendations'
               query: {
-                term: {
+                exists?: {
+                  field: string
+                }
+                term?: {
                   'recommendations.name': string
                 }
               }