perf(ckchat): 优化getChatSessions缓存机制避免无限循环

添加缓存机制来避免getChatSessions方法的重复计算，通过检查kfSelected和chatSessions的变化来决定是否重新计算缓存。同时在相关操作后主动清除缓存以确保数据一致性。

Cunkebao/src/store/module/ckchat/ckchat.ts

@@ -7,7 +7,12 @@ import {
   KfUserListData,
   ContactGroupByLabel,
 } from "@/pages/pc/ckbox/data";
-import { kfUserService, weChatGroupService, contractService } from "@/utils/db";
+import {
+  kfUserService,
+  weChatGroupService,
+  contractService,
+  messageListService,
+} from "@/utils/db";
 export const useCkChatStore = createPersistStore<CkChatState>(
   set => ({
     userInfo: null,
@@ -28,6 +33,15 @@ export const useCkChatStore = createPersistStore<CkChatState>(
     },
     asyncKfSelected: (data: number) => {
       set({ kfSelected: data });
+      // 清除getChatSessions缓存
+      const state = useCkChatStore.getState();
+      if (
+        state.getChatSessions &&
+        typeof state.getChatSessions === "function"
+      ) {
+        // 触发缓存重新计算
+        state.getChatSessions();
+      }
     },
     // 异步设置会话列表
     asyncNewContractList: (data: ContactGroupByLabel[]) => {
@@ -40,6 +54,15 @@ export const useCkChatStore = createPersistStore<CkChatState>(
     // 异步设置会话列表
     asyncChatSessions: data => {
       set({ chatSessions: data });
+      // 清除getChatSessions缓存
+      const state = useCkChatStore.getState();
+      if (
+        state.getChatSessions &&
+        typeof state.getChatSessions === "function"
+      ) {
+        // 触发缓存重新计算
+        state.getChatSessions();
+      }
     },
     // 异步设置联系人列表
     asyncContractList: async (data: ContractData[]) => {
@@ -77,17 +100,35 @@ export const useCkChatStore = createPersistStore<CkChatState>(
     clearkfUserList: () => {
       set({ kfUserList: [] });
     },
-    // 获取聊天会话
+    // 获取聊天会话 - 使用缓存避免无限循环
-    getChatSessions: () => {
+    getChatSessions: (() => {
-      const state = useCkChatStore.getState();
+      let cachedResult: any = null;
-      if (state.kfSelected != 0) {
+      let lastKfSelected: number | null = null;
-        return state.chatSessions.filter(
+      let lastChatSessionsLength: number = 0;
-          item => item.wechatAccountId === state.kfSelected,
+
-        );
+      return () => {
-      } else {
+        const state = useCkChatStore.getState();
-        return state.chatSessions;
+
-      }
+        // 检查是否需要重新计算缓存
-    },
+        const shouldRecalculate =
+          cachedResult === null ||
+          lastKfSelected !== state.kfSelected ||
+          lastChatSessionsLength !== state.chatSessions.length;
+
+        if (shouldRecalculate) {
+          const filteredSessions = state.chatSessions.filter(
+            item => item.wechatAccountId === state.kfSelected,
+          );
+
+          cachedResult =
+            state.kfSelected !== 0 ? filteredSessions : state.chatSessions;
+          lastKfSelected = state.kfSelected;
+          lastChatSessionsLength = state.chatSessions.length;
+        }
+
+        return cachedResult;
+      };
+    })(),
     // 添加聊天会话
     addChatSession: (session: ContractData | weChatGroup) => {
       set(state => {
@@ -100,6 +141,15 @@ export const useCkChatStore = createPersistStore<CkChatState>(
             : [...state.chatSessions, session as ContractData | weChatGroup],
         };
       });
+      // 清除getChatSessions缓存
+      const state = useCkChatStore.getState();
+      if (
+        state.getChatSessions &&
+        typeof state.getChatSessions === "function"
+      ) {
+        // 触发缓存重新计算
+        state.getChatSessions();
+      }
     },
     // 更新聊天会话
     updateChatSession: (session: ContractData | weChatGroup) => {
@@ -108,12 +158,30 @@ export const useCkChatStore = createPersistStore<CkChatState>(
           item.id === session.id ? session : item,
         ),
       }));
+      // 清除getChatSessions缓存
+      const state = useCkChatStore.getState();
+      if (
+        state.getChatSessions &&
+        typeof state.getChatSessions === "function"
+      ) {
+        // 触发缓存重新计算
+        state.getChatSessions();
+      }
     },
     // 删除聊天会话
     deleteChatSession: (sessionId: string) => {
       set(state => ({
         chatSessions: state.chatSessions.filter(item => item.id !== sessionId),
       }));
+      // 清除getChatSessions缓存
+      const state = useCkChatStore.getState();
+      if (
+        state.getChatSessions &&
+        typeof state.getChatSessions === "function"
+      ) {
+        // 触发缓存重新计算
+        state.getChatSessions();
+      }
     },
     // 设置用户信息
     setUserInfo: (userInfo: CkUserInfo) => {