rudeshark.net/src/server/api/endpoints/drive/folders/update.ts

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/**
* Module dependencies
*/
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import $ from 'cafy'; import ID from '../../../../../cafy-id';
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import DriveFolder, { isValidFolderName, pack } from '../../../../../models/drive-folder';
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import { publishDriveStream } from '../../../../../publishers/stream';
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/**
* Update a folder
*/
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module.exports = (params, user) => new Promise(async (res, rej) => {
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// Get 'folderId' parameter
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const [folderId, folderIdErr] = $(params.folderId).type(ID).get();
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if (folderIdErr) return rej('invalid folderId param');
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// Fetch folder
const folder = await DriveFolder
.findOne({
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_id: folderId,
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userId: user._id
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});
if (folder === null) {
return rej('folder-not-found');
}
// Get 'name' parameter
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const [name, nameErr] = $(params.name).optional.string().pipe(isValidFolderName).get();
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if (nameErr) return rej('invalid name param');
if (name) folder.name = name;
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// Get 'parentId' parameter
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const [parentId, parentIdErr] = $(params.parentId).optional.nullable.type(ID).get();
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if (parentIdErr) return rej('invalid parentId param');
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if (parentId !== undefined) {
if (parentId === null) {
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folder.parentId = null;
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} else {
// Get parent folder
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const parent = await DriveFolder
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.findOne({
_id: parentId,
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userId: user._id
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});
if (parent === null) {
return rej('parent-folder-not-found');
}
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// Check if the circular reference will occur
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async function checkCircle(folderId) {
// Fetch folder
const folder2 = await DriveFolder.findOne({
_id: folderId
}, {
_id: true,
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parentId: true
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});
if (folder2._id.equals(folder._id)) {
return true;
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} else if (folder2.parentId) {
return await checkCircle(folder2.parentId);
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} else {
return false;
}
}
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if (parent.parentId !== null) {
if (await checkCircle(parent.parentId)) {
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return rej('detected-circular-definition');
}
}
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folder.parentId = parent._id;
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}
}
// Update
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DriveFolder.update(folder._id, {
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$set: {
name: folder.name,
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parentId: folder.parentId
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}
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});
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// Serialize
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const folderObj = await pack(folder);
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// Response
res(folderObj);
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// Publish folder_updated event
publishDriveStream(user._id, 'folder_updated', folderObj);
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});