refactor: Remove chat messages cache

- Removed messageHistory utility and related functions
- Updated loadTopicHistoryFromCurrentMessageHistory to fetch logs directly
- Removed addMessageToHistory and message deletion from messageHistory

Author: yangbobo2021

src/handler/historyMessagesBase.ts

@@ -1,9 +1,4 @@
-
-
 import DevChat, { LogEntry, LogOptions } from '../toolwrapper/devchat';
-import messageHistory from '../util/messageHistory';
-import { ApiKeyManager } from '../util/apiKey';
-
 
 export interface LoadHistoryMessages {
 	command: string;
@@ -62,57 +57,19 @@ export async function loadTopicHistoryLogs(topicId: string | undefined): Promise
 	return logEntries;
 }
 
-export function updateCurrentMessageHistory(topicId: string, logEntries: Array<LogEntry>): void {
-	messageHistory.clear();
-	messageHistory.setTopic(topicId);
 
-	for (let i = 0; i < logEntries.length; i++) {
-		let entryOld = logEntries[i];
-		let entryNew = {
-			date: entryOld.date,
-			hash: entryOld.hash,
-			request: entryOld.request,
-			text: entryOld.response,
-			user: entryOld.user,
-			parentHash: entryOld.parent,
-			context: entryOld.context,
-		};
-		messageHistory.add(entryNew);
-
-	}
-}
-
-export function loadTopicHistoryFromCurrentMessageHistory(skip: number, count: number): LoadHistoryMessages {
-	const logEntries = messageHistory.getList();
-	const newEntries = logEntries.map((entry) => {
+export async function loadTopicHistoryFromCurrentMessageHistory(topicId: string, skip: number, count: number): Promise< LoadHistoryMessages > {
+	const logEntries = await loadTopicHistoryLogs(topicId);
+	if (!logEntries) {
 		return {
-			hash: entry.hash,
-			parent: entry.parentHash,
-			user: entry.user,
-			date: entry.date,
-			request: entry.request,
-			response: entry.text,
-			context: entry.context,
-		} as LogEntry;
-	});
-
-	const logEntriesFlat = newEntries.reverse().slice(skip, skip + count).reverse();
-	return {
-		command: 'loadHistoryMessages',
-		entries: logEntriesFlat,
-	} as LoadHistoryMessages;
-}
-
-export async function historyMessagesBase(topicId: string): Promise<LoadHistoryMessages | undefined> {
-	const logEntriesFlat = await loadTopicHistoryLogs(topicId);
-	if (!logEntriesFlat) {
-		return undefined;
+			command: 'loadHistoryMessages',
+			entries: [],
+		} as LoadHistoryMessages;
 	}
 
-	updateCurrentMessageHistory(topicId, logEntriesFlat);
-
+	const logEntriesFlat = logEntries.reverse().slice(skip, skip + count).reverse();
 	return {
 		command: 'loadHistoryMessages',
-		entries: logEntriesFlat.length > 0 ? logEntriesFlat : [],
+		entries: logEntriesFlat,
 	} as LoadHistoryMessages;
 }

src/handler/historyMessagesHandler.ts

@@ -1,8 +1,7 @@
 import * as vscode from 'vscode';
 import { MessageHandler } from './messageHandler';
 import { regInMessage, regOutMessage } from '../util/reg_messages';
-import { historyMessagesBase, LoadHistoryMessages, loadTopicHistoryFromCurrentMessageHistory } from './historyMessagesBase';
-import { UiUtilWrapper } from '../util/uiUtil';
+import { loadTopicHistoryFromCurrentMessageHistory } from './historyMessagesBase';
 import { DevChatConfig } from '../util/config';
 
 
@@ -15,12 +14,7 @@ export async function getHistoryMessages(message: {command: string, topicId: str
 	const skip = maxCount * (message.page ? message.page : 0);
 	const topicId = message.topicId;
 
-	const historyMessageAll = await historyMessagesBase(topicId);
-	if (!historyMessageAll?.entries.length || historyMessageAll?.entries.length < maxCount) {
-		MessageHandler.sendMessage(panel, historyMessageAll!);
-	}
-
-	const historyMessage = loadTopicHistoryFromCurrentMessageHistory(skip, maxCount);
+	const historyMessage = await loadTopicHistoryFromCurrentMessageHistory(topicId, skip, maxCount);
 	if (historyMessage) {
 		MessageHandler.sendMessage(panel, historyMessage);
 	}

src/handler/sendMessageBase.ts

@@ -1,6 +1,5 @@
 import DevChat, { ChatOptions, ChatResponse } from '../toolwrapper/devchat';
 import { logger } from '../util/logger';
-import messageHistory from '../util/messageHistory';
 import { assertValue } from '../util/check';
 
 
@@ -119,25 +118,6 @@ export async function parseMessageAndSetOptions(message: any): Promise<[{ contex
 	return [parsedMessage, chatOptions];
 }
 
-/**
- * Adds a message to the message history.
- *
- * @param {any} message - The message object.
- * @param {ChatResponse} chatResponse - The chat response object.
- * @param {string | undefined} parentHash - The hash of the parent message, if any.
- * @returns {void}
- */
-export async function addMessageToHistory(message: any, chatResponse: ChatResponse, parentHash: string | undefined): Promise<void> {
-	messageHistory.add({ 
-		request: message.text, 
-		text: chatResponse.response, 
-		parentHash, 
-		hash: chatResponse['prompt-hash'], 
-		user: chatResponse.user, 
-		date: chatResponse.date 
-	});
-}
-
 /**
  * Processes the chat response by replacing certain patterns in the response text.
  *
@@ -179,8 +159,6 @@ export async function sendMessageBase(message: any, handlePartialData: (data: {
 
 		assertValue(UserStopHandler.isUserInteractionStopped(), "User Stopped");
 
-		await addMessageToHistory(message, chatResponse, message.parent_hash);
-		
 		return {
 			command: 'receiveMessage',
 			text: processChatResponse(chatResponse),
@@ -221,8 +199,6 @@ export async function stopDevChatBase(message: any): Promise<void> {
 export async function deleteChatMessageBase(message:{'hash': string}): Promise<boolean> {
 	try {
 		assertValue(!message.hash, 'Message hash is required');
-		// delete the message from messageHistory
-		messageHistory.delete(message.hash);
 
 		// delete the message by devchat
 		const bSuccess = await devChat.delete(message.hash);