chatbot-template/app/(chat)/actions.ts
2025-09-20 12:47:10 -07:00

53 lines
1.4 KiB
TypeScript

"use server";
import { generateText, type UIMessage } from "ai";
import { cookies } from "next/headers";
import type { VisibilityType } from "@/components/visibility-selector";
import { myProvider } from "@/lib/ai/providers";
import {
deleteMessagesByChatIdAfterTimestamp,
getMessageById,
updateChatVisiblityById,
} from "@/lib/db/queries";
export async function saveChatModelAsCookie(model: string) {
const cookieStore = await cookies();
cookieStore.set("chat-model", model);
}
export async function generateTitleFromUserMessage({
message,
}: {
message: UIMessage;
}) {
const { text: title } = await generateText({
model: myProvider.languageModel("title-model"),
system: `\n
- you will generate a short title based on the first message a user begins a conversation with
- ensure it is not more than 80 characters long
- the title should be a summary of the user's message
- do not use quotes or colons`,
prompt: JSON.stringify(message),
});
return title;
}
export async function deleteTrailingMessages({ id }: { id: string }) {
const [message] = await getMessageById({ id });
await deleteMessagesByChatIdAfterTimestamp({
chatId: message.chatId,
timestamp: message.createdAt,
});
}
export async function updateChatVisibility({
chatId,
visibility,
}: {
chatId: string;
visibility: VisibilityType;
}) {
await updateChatVisiblityById({ chatId, visibility });
}