feat: basic file drag and drop

packages/convex/files.ts

@@ -3,6 +3,7 @@ import { v } from "convex/values"
 import { authenticatedMutation, authenticatedQuery } from "./functions"
 import type { DirectoryItem } from "./model/directories"
 import * as Directories from "./model/directories"
+import * as Err from "./model/error"
 import * as Files from "./model/files"
 
 export const generateUploadUrl = authenticatedMutation({
@@ -141,3 +142,13 @@ export const moveToTrash = authenticatedMutation({
 		return itemId
 	},
 })
+
+export const moveFiles = authenticatedMutation({
+	args: {
+		targetDirectoryId: v.id("directories"),
+		items: v.array(v.id("files")),
+	},
+	handler: async (ctx, { targetDirectoryId, items }) => {
+		return await Files.moveFiles(ctx, { targetDirectoryId, items })
+	},
+})

packages/convex/model/files.ts

@@ -34,3 +34,28 @@ export async function renameFile(
 
 	await ctx.db.patch(itemId, { name: newName })
 }
+
+export async function moveFiles(
+	ctx: AuthenticatedMutationCtx,
+	{
+		targetDirectoryId,
+		items,
+	}: {
+		targetDirectoryId: Id<"directories">
+		items: Id<"files">[]
+	},
+) {
+	const targetDirectory = await ctx.db.get(targetDirectoryId)
+	if (!targetDirectory) {
+		throw Err.create(
+			Err.Code.DirectoryNotFound,
+			"Target directory not found",
+		)
+	}
+	await Promise.all(
+		items.map((itemId) =>
+			ctx.db.patch(itemId, { directoryId: targetDirectoryId }),
+		),
+	)
+	return { items, targetDirectory }
+}