File size: 4,119 Bytes
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const { getResponseSender, EModelEndpoint } = require('librechat-data-provider');
const { createAbortController, handleAbortError } = require('~/server/middleware');
const { sendMessage, createOnProgress } = require('~/server/utils');
const { saveMessage, getConvo } = require('~/models');
const { logger } = require('~/config');
const EditController = async (req, res, next, initializeClient) => {
let {
text,
generation,
endpointOption,
conversationId,
modelDisplayLabel,
responseMessageId,
isContinued = false,
parentMessageId = null,
overrideParentMessageId = null,
} = req.body;
logger.debug('[EditController]', {
text,
generation,
isContinued,
conversationId,
...endpointOption,
});
let userMessage;
let promptTokens;
const sender = getResponseSender({
...endpointOption,
model: endpointOption.modelOptions.model,
modelDisplayLabel,
});
const userMessageId = parentMessageId;
const user = req.user.id;
const getReqData = (data = {}) => {
for (let key in data) {
if (key === 'userMessage') {
userMessage = data[key];
} else if (key === 'responseMessageId') {
responseMessageId = data[key];
} else if (key === 'promptTokens') {
promptTokens = data[key];
}
}
};
const unfinished = endpointOption.endpoint === EModelEndpoint.google ? false : true;
const { onProgress: progressCallback, getPartialText } = createOnProgress({
generation,
onProgress: throttle(
({ text: partialText }) => {
saveMessage({
messageId: responseMessageId,
sender,
conversationId,
parentMessageId: overrideParentMessageId ?? userMessageId,
text: partialText,
model: endpointOption.modelOptions.model,
unfinished,
isEdited: true,
error: false,
user,
});
},
3000,
{ trailing: false },
),
});
const getAbortData = () => ({
conversationId,
messageId: responseMessageId,
sender,
parentMessageId: overrideParentMessageId ?? userMessageId,
text: getPartialText(),
userMessage,
promptTokens,
});
const { abortController, onStart } = createAbortController(req, res, getAbortData, getReqData);
res.on('close', () => {
logger.debug('[EditController] Request closed');
if (!abortController) {
return;
} else if (abortController.signal.aborted) {
return;
} else if (abortController.requestCompleted) {
return;
}
abortController.abort();
logger.debug('[EditController] Request aborted on close');
});
try {
const { client } = await initializeClient({ req, res, endpointOption });
let response = await client.sendMessage(text, {
user,
generation,
isContinued,
isEdited: true,
conversationId,
parentMessageId,
responseMessageId,
overrideParentMessageId,
getReqData,
onStart,
abortController,
progressCallback,
progressOptions: {
res,
text,
// parentMessageId: overrideParentMessageId || userMessageId,
},
});
const conversation = await getConvo(user, conversationId);
conversation.title =
conversation && !conversation.title ? null : conversation?.title || 'New Chat';
if (client.options.attachments) {
conversation.model = endpointOption.modelOptions.model;
}
if (!abortController.signal.aborted) {
sendMessage(res, {
final: true,
conversation,
title: conversation.title,
requestMessage: userMessage,
responseMessage: response,
});
res.end();
await saveMessage({ ...response, user });
}
} catch (error) {
const partialText = getPartialText();
handleAbortError(res, req, error, {
partialText,
conversationId,
sender,
messageId: responseMessageId,
parentMessageId: userMessageId ?? parentMessageId,
});
}
};
module.exports = EditController;
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