wip

src/api/models/drive-folder.ts

@@ -1,6 +1,16 @@
+import * as mongo from 'mongodb';
+import deepcopy = require('deepcopy');
 import db from '../../db/mongodb';
+import DriveFile from './drive-file';
 
-export default db.get('drive_folders') as any; // fuck type definition
+const DriveFolder = db.get<IDriveFolder>('drive_folders');
+export default DriveFolder;
+
+export type IDriveFolder = {
+	_id: mongo.ObjectID;
+	created_at: Date;
+	user_id: mongo.ObjectID;
+};
 
 export function isValidFolderName(name: string): boolean {
 	return (
@@ -8,3 +18,58 @@ export function isValidFolderName(name: string): boolean {
 		(name.length <= 200)
 	);
 }
+
+/**
+ * Pack a drive folder for API response
+ *
+ * @param {any} folder
+ * @param {any} options?
+ * @return {Promise<any>}
+ */
+export const pack = (
+	folder: any,
+	options?: {
+		detail: boolean
+	}
+) => new Promise<any>(async (resolve, reject) => {
+	const opts = Object.assign({
+		detail: false
+	}, options);
+
+	let _folder: any;
+
+	// Populate the folder if 'folder' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(folder)) {
+		_folder = await DriveFolder.findOne({ _id: folder });
+	} else if (typeof folder === 'string') {
+		_folder = await DriveFolder.findOne({ _id: new mongo.ObjectID(folder) });
+	} else {
+		_folder = deepcopy(folder);
+	}
+
+	// Rename _id to id
+	_folder.id = _folder._id;
+	delete _folder._id;
+
+	if (opts.detail) {
+		const childFoldersCount = await DriveFolder.count({
+			parent_id: _folder.id
+		});
+
+		const childFilesCount = await DriveFile.count({
+			'metadata.folder_id': _folder.id
+		});
+
+		_folder.folders_count = childFoldersCount;
+		_folder.files_count = childFilesCount;
+	}
+
+	if (opts.detail && _folder.parent_id) {
+		// Populate parent folder
+		_folder.parent = await pack(_folder.parent_id, {
+			detail: true
+		});
+	}
+
+	resolve(_folder);
+});