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import { collections } from "$lib/server/database";
import { error, type RequestHandler } from "@sveltejs/kit";
import { ObjectId } from "mongodb";
export const GET: RequestHandler = async ({ params }) => {
const assistant = await collections.assistants.findOne({
_id: new ObjectId(params.assistantId),
});
if (!assistant) {
throw error(404, "No assistant found");
}
if (!assistant.avatar) {
throw error(404, "No avatar found");
}
const fileId = collections.bucket.find({ filename: assistant._id.toString() });
const content = await fileId.next().then(async (file) => {
if (!file?._id) {
throw error(404, "Avatar not found");
}
const fileStream = collections.bucket.openDownloadStream(file?._id);
const fileBuffer = await new Promise<Buffer>((resolve, reject) => {
const chunks: Uint8Array[] = [];
fileStream.on("data", (chunk) => chunks.push(chunk));
fileStream.on("error", reject);
fileStream.on("end", () => resolve(Buffer.concat(chunks)));
});
return fileBuffer;
});
return new Response(content, {
headers: {
"Content-Type": "image/jpeg",
},
});
};
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