整条会话删除功能开发

stores/userChatGroupStore.js

@@ -351,6 +351,56 @@ const useChatGroupDBStore = defineStore("messageGroup", () => {
         }
     }
 
+    // 删除会话
+    async function deleteDialogue(sessionId) {
+        if (!baseDB.isDBReady) await baseDB.initDB();
+        
+        // 删除会话下的所有消息
+        const messageList = await baseDB.db.queryByField(massageName.value, 'parentGroupId', sessionId);
+        for (const message of messageList) {
+            if (message.id) {
+                await baseDB.db.delete(massageName.value, message.id);
+            }
+        }
+        
+        // 删除会话本身
+        const sessionList = await baseDB.db.queryByField(tableName.value, 'sessionId', sessionId);
+        for (const session of sessionList) {
+            if (session.id) {
+                await baseDB.db.delete(tableName.value, session.id);
+            }
+        }
+        
+        // 重新获取所有会话并重新分组
+        const allSessions = await baseDB.db.getAll(tableName.value);
+        if (allSessions.length) {
+            const [result, lastData] = insertSortData(allSessions);
+            tabeList.value = result;
+        } else {
+            tabeList.value = [];
+        }
+        
+        // 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) {
+                // 找到第一个非标题的会话
+                const firstSession = tabeList.value.find(item => !item.isTitle);
+                if (firstSession) {
+                    chatSessionID.value = firstSession.sessionId;
+                    await initMessage(firstSession.sessionId);
+                } else {
+                    // 没有会话了
+                    chatSessionID.value = '';
+                    messages.value = [];
+                }
+            } else {
+                // 没有会话了
+                chatSessionID.value = '';
+                messages.value = [];
+            }
+        }
+    }
+
     return {
         messages,
         isTyping,
@@ -365,7 +415,8 @@ const useChatGroupDBStore = defineStore("messageGroup", () => {
         getStearm,
         getHistory,
         badFeedback,
-        deleteMessages
+        deleteMessages,
+        deleteDialogue
     };
 });