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import * as fs from 'fs';
import { createReadStream, writeFile } from 'fs';
import OpenAI from 'openai';
import * as path from 'path';
import { promisify } from 'util';
import * as uuid from 'uuid';
import { filesDirectory, publicDirectory } from '..';
import { Method } from '../RouteManager';
import ApiManager, { Registration } from './ApiManager';
export enum Directory {
parsed_files = 'parsed_files',
images = 'images',
videos = 'videos',
pdfs = 'pdfs',
text = 'text',
pdf_thumbnails = 'pdf_thumbnails',
audio = 'audio',
csv = 'csv',
}
export function serverPathToFile(directory: Directory, filename: string) {
return path.normalize(`${filesDirectory}/${directory}/${filename}`);
}
export function pathToDirectory(directory: Directory) {
return path.normalize(`${filesDirectory}/${directory}`);
}
export function clientPathToFile(directory: Directory, filename: string) {
return `/files/${directory}/${filename}`;
}
const writeFileAsync = promisify(writeFile);
const readFileAsync = promisify(fs.readFile);
export default class AssistantManager extends ApiManager {
protected initialize(register: Registration): void {
const openai = new OpenAI({ apiKey: process.env.OPENAI_KEY, dangerouslyAllowBrowser: true });
register({
method: Method.POST,
subscription: '/uploadPDFToVectorStore',
secureHandler: async ({ req, res }) => {
const { urls, threadID, assistantID, vector_store_id } = req.body;
const csvFilesIds: string[] = [];
const otherFileIds: string[] = [];
const allFileIds: string[] = [];
const fileProcesses = urls.map(async (source: string) => {
const fullPath = path.join(publicDirectory, source);
const fileData = await openai.files.create({ file: createReadStream(fullPath), purpose: 'assistants' });
allFileIds.push(fileData.id);
if (source.endsWith('.csv')) {
console.log(source);
csvFilesIds.push(fileData.id);
} else {
openai.beta.vectorStores.files.create(vector_store_id, { file_id: fileData.id });
otherFileIds.push(fileData.id);
}
});
try {
await Promise.all(fileProcesses).then(() => {
res.send({ vector_store_id: vector_store_id, openai_file_ids: allFileIds });
});
} catch (error) {
res.status(500).send({ error: 'Failed to process files' + error });
}
},
});
register({
method: Method.POST,
subscription: '/downloadFileFromOpenAI',
secureHandler: async ({ req, res }) => {
const { file_id, file_name } = req.body;
//let files_directory: string;
let files_directory = '/files/openAIFiles/';
switch (file_name.split('.').pop()) {
case 'pdf':
files_directory = '/files/pdfs/';
break;
case 'csv':
files_directory = '/files/csv/';
break;
case 'png':
case 'jpg':
case 'jpeg':
files_directory = '/files/images/';
break;
default:
break;
}
const directory = path.join(publicDirectory, files_directory);
if (!fs.existsSync(directory)) {
fs.mkdirSync(directory);
}
const file = await openai.files.content(file_id);
const new_file_name = `${uuid.v4()}-${file_name}`;
const file_path = path.join(directory, new_file_name);
const file_array_buffer = await file.arrayBuffer();
const bufferView = new Uint8Array(file_array_buffer);
try {
const written_file = await writeFileAsync(file_path, bufferView);
console.log(written_file);
console.log(file_path);
console.log(file_array_buffer);
console.log(bufferView);
const file_object = new File([bufferView], file_name);
//DashUploadUtils.upload(file_object, 'openAIFiles');
res.send({ file_path: path.join(files_directory, new_file_name) });
/* res.send( {
source: "file",
result: {
accessPaths: {
agnostic: {client: path.join('/files/openAIFiles/', `${uuid.v4()}-${file_name}`)}
},
rawText: "",
duration: 0,
},
} ); */
} catch (error) {
res.status(500).send({ error: 'Failed to write file' + error });
}
},
});
}
}
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