42 lines
1.1 KiB
TypeScript
42 lines
1.1 KiB
TypeScript
'use server';
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import { type CoreUserMessage, generateText } from 'ai';
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import { cookies } from 'next/headers';
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import { customModel } from '@/lib/ai';
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import {
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deleteMessagesByChatIdAfterTimestamp,
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getMessageById,
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} from '@/lib/db/queries';
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export async function saveModelId(model: string) {
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const cookieStore = await cookies();
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cookieStore.set('model-id', model);
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}
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export async function generateTitleFromUserMessage({
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message,
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}: {
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message: CoreUserMessage;
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}) {
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const { text: title } = await generateText({
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model: customModel('gpt-4o-mini'),
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system: `\n
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- you will generate a short title based on the first message a user begins a conversation with
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- ensure it is not more than 80 characters long
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- the title should be a summary of the user's message
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- do not use quotes or colons`,
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prompt: JSON.stringify(message),
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});
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return title;
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}
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export async function deleteTrailingMessages({ id }: { id: string }) {
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const [message] = await getMessageById({ id });
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await deleteMessagesByChatIdAfterTimestamp({
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chatId: message.chatId,
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timestamp: message.createdAt,
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});
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}
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