refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/drive/folders/delete.ts

@@ -0,0 +1,60 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../../define';
+import { publishDriveStream } from '@/services/stream';
+import { ApiError } from '../../../error';
+import { DriveFolders, DriveFiles } from '@/models/index';
+
+export const meta = {
+	tags: ['drive'],
+
+	requireCredential: true as const,
+
+	kind: 'write:drive',
+
+	params: {
+		folderId: {
+			validator: $.type(ID),
+		}
+	},
+
+	errors: {
+		noSuchFolder: {
+			message: 'No such folder.',
+			code: 'NO_SUCH_FOLDER',
+			id: '1069098f-c281-440f-b085-f9932edbe091'
+		},
+
+		hasChildFilesOrFolders: {
+			message: 'This folder has child files or folders.',
+			code: 'HAS_CHILD_FILES_OR_FOLDERS',
+			id: 'b0fc8a17-963c-405d-bfbc-859a487295e1'
+		},
+	}
+};
+
+export default define(meta, async (ps, user) => {
+	// Get folder
+	const folder = await DriveFolders.findOne({
+		id: ps.folderId,
+		userId: user.id
+	});
+
+	if (folder == null) {
+		throw new ApiError(meta.errors.noSuchFolder);
+	}
+
+	const [childFoldersCount, childFilesCount] = await Promise.all([
+		DriveFolders.count({ parentId: folder.id }),
+		DriveFiles.count({ folderId: folder.id })
+	]);
+
+	if (childFoldersCount !== 0 || childFilesCount !== 0) {
+		throw new ApiError(meta.errors.hasChildFilesOrFolders);
+	}
+
+	await DriveFolders.delete(folder.id);
+
+	// Publish folderCreated event
+	publishDriveStream(user.id, 'folderDeleted', folder.id);
+});