import type { Conversation } from "$lib/types/Conversation"; import type { Message } from "$lib/types/Message"; import { format } from "date-fns"; import { downloadFile } from "./files/downloadFile"; export async function preprocessMessages( messages: Message[], webSearch: Message["webSearch"], multimodal: boolean, id: Conversation["_id"] ): Promise { return await Promise.all( structuredClone(messages).map(async (message, idx) => { // start by adding websearch to the last message if (idx === messages.length - 1 && webSearch && webSearch.context) { const lastQuestion = messages.findLast((el) => el.from === "user")?.content ?? ""; const previousQuestions = messages .filter((el) => el.from === "user") .slice(0, -1) .map((el) => el.content); const currentDate = format(new Date(), "MMMM d, yyyy"); message.content = `I searched the web using the query: ${webSearch.searchQuery}. Today is ${currentDate} and here are the results: ===================== ${webSearch.context} ===================== ${previousQuestions.length > 0 ? `Previous questions: \n- ${previousQuestions.join("\n- ")}` : ""} Answer the question: ${lastQuestion}`; } // handle files if model is multimodal if (multimodal) { if (message.files && message.files.length > 0) { const markdowns = await Promise.all( message.files.map(async (hash) => { try { const { content: image, mime } = await downloadFile(hash, id); const b64 = image.toString("base64"); return `![](data:${mime};base64,${b64})})`; } catch (e) { console.error(e); } }) ); message.content += markdowns.join("\n "); } else { // if no image, append an empty white image message.content += "\n![](data:image/png;base64,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)"; } } return message; }) ); }