rudeshark.net/src/api/endpoints/drive/folders/update.js
2017-02-27 17:39:23 +09:00

125 lines
2.5 KiB
JavaScript

'use strict';
/**
* Module dependencies
*/
import * as mongo from 'mongodb';
import DriveFolder from '../../../models/drive-folder';
import { isValidFolderName } from '../../../models/drive-folder';
import serialize from '../../../serializers/drive-file';
import event from '../../../event';
/**
* Update a folder
*
* @param {Object} params
* @param {Object} user
* @return {Promise<object>}
*/
module.exports = (params, user) =>
new Promise(async (res, rej) =>
{
// Get 'folder_id' parameter
const folderId = params.folder_id;
if (folderId === undefined || folderId === null) {
return rej('folder_id is required');
}
// Validate id
if (!mongo.ObjectID.isValid(folderId)) {
return rej('incorrect folder_id');
}
// Fetch folder
const folder = await DriveFolder
.findOne({
_id: new mongo.ObjectID(folderId),
user_id: user._id
});
if (folder === null) {
return rej('folder-not-found');
}
// Get 'name' parameter
let name = params.name;
if (name) {
name = name.trim();
if (isValidFolderName(name)) {
folder.name = name;
} else {
return rej('invalid folder name');
}
}
// Get 'parent_id' parameter
let parentId = params.parent_id;
if (parentId !== undefined) {
if (parentId === null) {
folder.parent_id = null;
} else {
// Validate id
if (!mongo.ObjectID.isValid(parentId)) {
return rej('incorrect parent_id');
}
parentId = new mongo.ObjectID(parentId);
// Get parent folder
const parent = await DriveFolder
.findOne({
_id: parentId,
user_id: user._id
});
if (parent === null) {
return rej('parent-folder-not-found');
}
// Check if the circular reference will occur
async function checkCircle(folderId) {
// Fetch folder
const folder2 = await DriveFolder.findOne({
_id: folderId
}, {
_id: true,
parent_id: true
});
if (folder2._id.equals(folder._id)) {
return true;
} else if (folder2.parent_id) {
return await checkCircle(folder2.parent_id);
} else {
return false;
}
}
if (parent.parent_id !== null) {
if (await checkCircle(parent.parent_id)) {
return rej('detected-circular-definition');
}
}
folder.parent_id = parent._id;
}
}
// Update
DriveFolder.update(folder._id, {
$set: {
name: folder.name,
parent_id: folder.parent_id
}
});
// Serialize
const folderObj = await serialize(folder);
// Response
res(folderObj);
// Publish drive_folder_updated event
event(user._id, 'drive_folder_updated', folderObj);
});