删除会话功能开发

stores/userChatGroupStore.js

@@ -341,6 +341,41 @@ const useChatGroupDBStore = defineStore("messageGroup", () => {
         messages.value = messages.value.filter(msg => msg.id !== messageId);
     }
 
+    async function deleteSession(sessionId) {
+        if (!baseDB.isDBReady) await baseDB.initDB();
+        // 删除会话相关的所有消息
+        const messagesList = await baseDB.db.queryByField(massageName.value, 'parentGroupId', sessionId);
+        for (const msg of messagesList) {
+            await baseDB.db.delete(massageName.value, msg.id);
+        }
+        // 删除会话本身
+        const allSessions = await baseDB.db.getAll(tableName.value);
+        const sessionToDelete = allSessions.find(session => session.sessionId === sessionId);
+        if (sessionToDelete) {
+            await baseDB.db.delete(tableName.value, sessionToDelete.id);
+        }
+        // 更新会话列表
+        const result = await baseDB.db.getAll(tableName.value);
+        const [table] = insertSortData(result.reverse());
+        tabeList.value = table;
+        // 如果删除的是当前会话，切换到第一个会话或清空
+        if (chatSessionID.value === sessionId) {
+            if (tabeList.value.length > 0) {
+                const firstSession = tabeList.value.find(item => !item.isTitle);
+                if (firstSession) {
+                    chatSessionID.value = firstSession.sessionId;
+                    initMessage(firstSession.sessionId);
+                } else {
+                    chatSessionID.value = '';
+                    messages.value = [];
+                }
+            } else {
+                chatSessionID.value = '';
+                messages.value = [];
+            }
+        }
+    }
+
     return {
         messages,
         isTyping,
@@ -355,7 +390,8 @@ const useChatGroupDBStore = defineStore("messageGroup", () => {
         getStearm,
         getHistory,
         badFeedback,
-        deleteMessage
+        deleteMessage,
+        deleteSession
     };
 });