From d495029527628aa5ebeaa0cfc5177c27defd0fe9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=8D=E7=9F=A5=E5=90=8D=E3=81=AE=E7=9D=A1=E6=95=99?=
 =?UTF-8?q?=E9=AB=98=E6=89=8B?= <i@mdzz.name>
Date: Mon, 24 Apr 2023 22:45:27 +0800
Subject: [PATCH] fix: `limit` field in the filter (#41)

---
 README.md                            |  3 ++-
 src/repositories/event-repository.ts | 10 +++++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 10ffda24..032dd9fa 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ NIPs with a relay-specific implementation are listed here.
 - [x] NIP-26: Delegated Event Signing
 - [x] NIP-28: Public Chat
 - [x] NIP-33: Parameterized Replaceable Events
+- [x] NIP-38: [Encrypted Group Chat with Megolm group ratchet (Draft)](https://oi5l5umbjx.feishu.cn/docx/TW7Ndb6Imoj3n7x08MTcleqanad)
 - [x] NIP-40: Expiration Timestamp
 
 ## Architecture
@@ -64,7 +65,7 @@ Todo
 
 ## Requirements
 
-- Deno v1.30.x or later
+- Deno v1.30.x or v1.31.x
 - Typescript
 - MongoDB 4.4, 5.0, 6.0
 - Redis (Optional)
diff --git a/src/repositories/event-repository.ts b/src/repositories/event-repository.ts
index 035d41a3..0db775a1 100644
--- a/src/repositories/event-repository.ts
+++ b/src/repositories/event-repository.ts
@@ -33,7 +33,7 @@ export class EventRepository implements IEventRepository {
         const $or: any[] = []
         const $sort = { event_created_at: 1 }
         const limit = {
-            $limit: 500,
+            $limit: 1000,
         }
         const pipelines: any[] = [
             {
@@ -78,8 +78,12 @@ export class EventRepository implements IEventRepository {
                             subFilter['event_created_at'] = { $lte: filterValue }
                         }
 
-                        if (filterName === 'limit' && typeof filterValue === 'number') {
-                            limit.$limit = filterValue
+                        if (filterName === 'limit' && typeof filterValue === 'number' && filterValue > 0) {
+                            if (filterValue >= 5000) {
+                                limit.$limit = 5000
+                            } else {
+                                limit.$limit = filterValue
+                            }
                             $sort.event_created_at = -1
                         }
                     }