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import * as mongodb from 'mongodb';
import deepcopy = require('deepcopy');
import { pack as packFolder } from './drive-folder';
import config from '../../../conf';
import monkDb, { nativeDbConn } from '../../../db/mongodb';
const DriveFile = monkDb.get<IDriveFile>('driveFiles.files');
export default DriveFile;
const getGridFSBucket = async (): Promise<mongodb.GridFSBucket> => {
const db = await nativeDbConn();
const bucket = new mongodb.GridFSBucket(db, {
bucketName: 'driveFiles'
});
return bucket;
};
export { getGridFSBucket };
export type IDriveFile = {
_id: mongodb.ObjectID;
uploadDate: Date;
md5: string;
filename: string;
contentType: string;
metadata: {
properties: any;
userId: mongodb.ObjectID;
folderId: mongodb.ObjectID;
}
};
export function validateFileName(name: string): boolean {
return (
(name.trim().length > 0) &&
(name.length <= 200) &&
(name.indexOf('\\') === -1) &&
(name.indexOf('/') === -1) &&
(name.indexOf('..') === -1)
);
}
/**
* Pack a drive file for API response
*
* @param {any} file
* @param {any} options?
* @return {Promise<any>}
*/
export const pack = (
file: any,
options?: {
detail: boolean
}
) => new Promise<any>(async (resolve, reject) => {
const opts = Object.assign({
detail: false
}, options);
let _file: any;
// Populate the file if 'file' is ID
if (mongodb.ObjectID.prototype.isPrototypeOf(file)) {
_file = await DriveFile.findOne({
_id: file
});
} else if (typeof file === 'string') {
_file = await DriveFile.findOne({
_id: new mongodb.ObjectID(file)
});
} else {
_file = deepcopy(file);
}
if (!_file) return reject('invalid file arg.');
// rendered target
let _target: any = {};
_target.id = _file._id;
_target.createdAt = _file.uploadDate;
_target.name = _file.filename;
_target.type = _file.contentType;
_target.datasize = _file.length;
_target.md5 = _file.md5;
_target = Object.assign(_target, _file.metadata);
_target.url = `${config.drive_url}/${_target.id}/${encodeURIComponent(_target.name)}`;
if (_target.properties == null) _target.properties = {};
if (opts.detail) {
if (_target.folderId) {
// Populate folder
_target.folder = await packFolder(_target.folderId, {
detail: true
});
}
/*
if (_target.tags) {
// Populate tags
_target.tags = await _target.tags.map(async (tag: any) =>
await serializeDriveTag(tag)
);
}
*/
}
resolve(_target);
});
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