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/**
* Module dependencies
*/
import $ from 'cafy';
import DriveFolder, { isValidFolderName, pack } from '../../../models/drive-folder';
import { publishDriveStream } from '../../../event';
/**
* Update a folder
*
* @param {any} params
* @param {any} user
* @return {Promise<any>}
*/
module.exports = (params, user) => new Promise(async (res, rej) => {
// Get 'folder_id' parameter
const [folderId, folderIdErr] = $(params.folder_id).id().$;
if (folderIdErr) return rej('invalid folder_id param');
// Fetch folder
const folder = await DriveFolder
.findOne({
_id: folderId,
user_id: user._id
});
if (folder === null) {
return rej('folder-not-found');
}
// Get 'name' parameter
const [name, nameErr] = $(params.name).optional.string().pipe(isValidFolderName).$;
if (nameErr) return rej('invalid name param');
if (name) folder.name = name;
// Get 'parent_id' parameter
const [parentId, parentIdErr] = $(params.parent_id).optional.nullable.id().$;
if (parentIdErr) return rej('invalid parent_id param');
if (parentId !== undefined) {
if (parentId === null) {
folder.parent_id = null;
} else {
// 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 pack(folder);
// Response
res(folderObj);
// Publish folder_updated event
publishDriveStream(user._id, 'folder_updated', folderObj);
});
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