From eb84e2f8c90c971a0a924420f29715a32ebd4824 Mon Sep 17 00:00:00 2001
From: po-lan <42771836+po-lan@users.noreply.github.com>
Date: Fri, 5 Jul 2024 12:09:59 +0800
Subject: [PATCH 1/3] Update LRUCache.ts

Add a get function to the cache
---
 src/common/utils/LRUCache.ts | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/common/utils/LRUCache.ts b/src/common/utils/LRUCache.ts
index 4240f298..cf459e87 100644
--- a/src/common/utils/LRUCache.ts
+++ b/src/common/utils/LRUCache.ts
@@ -1,4 +1,4 @@
-import { logError, logDebug } from '@/common/utils/log';
+import { logError, logDebug } from "@/common/utils/log";
 
 type group_id = number;
 type user_id = number;
@@ -44,7 +44,7 @@ class LRU<T> {
   // 移除LRU节点
   private removeLRUNode(node: cacheNode<T>) {
     logDebug(
-      'removeLRUNode',
+      "removeLRUNode",
       node.groupId,
       node.userId,
       node.value,
@@ -140,6 +140,26 @@ class LRU<T> {
       }
     }
   }
+  public get(groupId: group_id): { userId: user_id; value: T }[];
+  public get(groupId: group_id, userId: user_id): null | { userId: user_id; value: T };
+  public get(groupId: group_id, userId?: user_id): any {
+    const groupObject = this.cache[groupId];
+    if(!groupObject) return userId === undefined ? [] : null;
+
+    if (userId === undefined) {
+      return Object.entries(groupObject).map(([userId, { value }]) => ({
+        userId: Number(userId),
+        value,
+      }));
+    }
+
+    if (groupObject[userId]) {
+      return { userId, value: groupObject[userId].value };
+    }
+  
+    return null;
+    
+  }
 }
 
 export default LRU;

From a9f3e7fc54ba0b8e608181dca80c1f0a4560e00d Mon Sep 17 00:00:00 2001
From: po-lan <42771836+po-lan@users.noreply.github.com>
Date: Fri, 5 Jul 2024 12:12:40 +0800
Subject: [PATCH 2/3] Update db.ts
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

通过读取缓存修复刚说话缺无法获取发言时间的问题
---
 src/common/utils/db.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/common/utils/db.ts b/src/common/utils/db.ts
index 96bd7a84..e7860150 100644
--- a/src/common/utils/db.ts
+++ b/src/common/utils/db.ts
@@ -408,10 +408,12 @@ class DBUtil extends DBUtilBase {
     logDebug('读取发言时间', groupId);
     return new Promise<IRember[]>((resolve, reject) => {
       this.db!.all(`SELECT * FROM "${groupId}" `, (err, rows: IRember[]) => {
+        const cache = this.LURCache.get(groupId).map(e=>({user_id:e.userId, last_sent_time:e.value}));
         if (err) {
           logError('查询发言时间失败', groupId);
-          return resolve([]);
+          return resolve(cache.map(e=>({...e, join_time:0})));
         }
+         Object.assign(rows, cache)
         logDebug('查询发言时间成功', groupId, rows);
         resolve(rows);
       });

From 81134ea2d43619e976b69a5c77df1f4627840b19 Mon Sep 17 00:00:00 2001
From: po-lan <42771836+po-lan@users.noreply.github.com>
Date: Fri, 5 Jul 2024 12:13:24 +0800
Subject: [PATCH 3/3] Update LRUCache.ts

---
 src/common/utils/LRUCache.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/utils/LRUCache.ts b/src/common/utils/LRUCache.ts
index cf459e87..3a8333fd 100644
--- a/src/common/utils/LRUCache.ts
+++ b/src/common/utils/LRUCache.ts
@@ -31,7 +31,7 @@ class LRU<T> {
   private tail: cacheNode<T> | null = null;
   private onFuncs: ((node: cacheNode<T>) => void)[] = [];
 
-  constructor(maxAge: number = 2e4, maxSize: number = 5e3) {
+  constructor(maxAge: number = 6e4, maxSize: number = 5e3) {
     this.maxAge = maxAge;
     this.maxSize = maxSize;
     this.cache = Object.create(null);