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import * as mongo from 'mongodb';
import deepcopy = require('deepcopy');
import { pack as packFolder } from './drive-folder';
import config from '../config';
import monkDb, { nativeDbConn } from '../db/mongodb';
import Note, { deleteNote } from './note';
import MessagingMessage, { deleteMessagingMessage } from './messaging-message';
import User from './user';
import DriveFileThumbnail, { deleteDriveFileThumbnail } from './drive-file-thumbnail';
const DriveFile = monkDb.get<IDriveFile>('driveFiles.files');
DriveFile.createIndex('metadata.uri', { sparse: true, unique: true });
export default DriveFile;
export const DriveFileChunk = monkDb.get('driveFiles.chunks');
export const getDriveFileBucket = async (): Promise<mongo.GridFSBucket> => {
const db = await nativeDbConn();
const bucket = new mongo.GridFSBucket(db, {
bucketName: 'driveFiles'
});
return bucket;
};
export type IMetadata = {
properties: any;
userId: mongo.ObjectID;
_user: any;
folderId: mongo.ObjectID;
comment: string;
uri: string;
deletedAt?: Date;
isExpired?: boolean;
};
export type IDriveFile = {
_id: mongo.ObjectID;
uploadDate: Date;
md5: string;
filename: string;
contentType: string;
metadata: IMetadata;
};
export function validateFileName(name: string): boolean {
return (
(name.trim().length > 0) &&
(name.length <= 200) &&
(name.indexOf('\\') === -1) &&
(name.indexOf('/') === -1) &&
(name.indexOf('..') === -1)
);
}
/**
* DriveFileを物理削除します
*/
export async function deleteDriveFile(driveFile: string | mongo.ObjectID | IDriveFile) {
let d: IDriveFile;
// Populate
if (mongo.ObjectID.prototype.isPrototypeOf(driveFile)) {
d = await DriveFile.findOne({
_id: driveFile
});
} else if (typeof driveFile === 'string') {
d = await DriveFile.findOne({
_id: new mongo.ObjectID(driveFile)
});
} else {
d = driveFile as IDriveFile;
}
if (d == null) return;
// このDriveFileを添付しているNoteをすべて削除
await Promise.all((
await Note.find({ mediaIds: d._id })
).map(x => deleteNote(x)));
// このDriveFileを添付しているMessagingMessageをすべて削除
await Promise.all((
await MessagingMessage.find({ fileId: d._id })
).map(x => deleteMessagingMessage(x)));
// このDriveFileがアバターやバナーに使われていたらそれらのプロパティをnullにする
const u = await User.findOne({ _id: d.metadata.userId });
if (u) {
if (u.avatarId && u.avatarId.equals(d._id)) {
await User.update({ _id: u._id }, { $set: { avatarId: null } });
}
if (u.bannerId && u.bannerId.equals(d._id)) {
await User.update({ _id: u._id }, { $set: { bannerId: null } });
}
}
// このDriveFileのDriveFileThumbnailをすべて削除
await Promise.all((
await DriveFileThumbnail.find({ 'metadata.originalId': d._id })
).map(x => deleteDriveFileThumbnail(x)));
// このDriveFileのチャンクをすべて削除
await DriveFileChunk.remove({
files_id: d._id
});
// このDriveFileを削除
await DriveFile.remove({
_id: d._id
});
}
/**
* Pack a drive file for API response
*/
export const pack = (
file: any,
options?: {
detail: boolean
}
) => new Promise<any>(async (resolve, reject) => {
const opts = Object.assign({
detail: false
}, options);
let _file: any;
// Populate the file if 'file' is ID
if (mongo.ObjectID.prototype.isPrototypeOf(file)) {
_file = await DriveFile.findOne({
_id: file
});
} else if (typeof file === 'string') {
_file = await DriveFile.findOne({
_id: new mongo.ObjectID(file)
});
} else {
_file = deepcopy(file);
}
if (!_file) return reject('invalid file arg.');
// rendered target
let _target: any = {};
_target.id = _file._id;
_target.createdAt = _file.uploadDate;
_target.name = _file.filename;
_target.type = _file.contentType;
_target.datasize = _file.length;
_target.md5 = _file.md5;
_target = Object.assign(_target, _file.metadata);
_target.url = `${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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