feat: impl multi file/dir moving

Co-authored-by: Ona <no-reply@ona.com>

packages/convex/model/directories.ts

@@ -4,7 +4,7 @@ import type {
 	AuthenticatedQueryCtx,
 } from "../functions"
 import * as Err from "./error"
-import type { FilePath, ReverseFilePath } from "./filesystem"
+import type { DirectoryHandle, FilePath, ReverseFilePath } from "./filesystem"
 import { newDirectoryHandle } from "./filesystem"
 
 type Directory = {
@@ -31,6 +31,20 @@ export async function fetchRoot(ctx: AuthenticatedQueryCtx) {
 		.first()
 }
 
+export async function fetchHandle(
+	ctx: AuthenticatedQueryCtx,
+	handle: DirectoryHandle,
+): Promise<Doc<"directories">> {
+	const directory = await ctx.db.get(handle.id)
+	if (!directory || directory.userId !== ctx.user._id) {
+		throw Err.create(
+			Err.Code.DirectoryNotFound,
+			`Directory ${handle.id} not found`,
+		)
+	}
+	return directory
+}
+
 export async function fetch(
 	ctx: AuthenticatedQueryCtx,
 	{ directoryId }: { directoryId: Id<"directories"> },
@@ -147,6 +161,23 @@ export async function create(
 	})
 }
 
+export async function move(
+	ctx: AuthenticatedMutationCtx,
+	{
+		targetDirectory,
+		sourceDirectories,
+	}: {
+		targetDirectory: DirectoryHandle
+		sourceDirectories: DirectoryHandle[]
+	},
+): Promise<void> {
+	await Promise.all(
+		sourceDirectories.map((directory) =>
+			ctx.db.patch(directory.id, { parentId: targetDirectory.id }),
+		),
+	)
+}
+
 export async function moveToTrashRecursive(
 	ctx: AuthenticatedMutationCtx,
 	directoryId: Id<"directories">,