src/routes/settings/(nav)/+server.ts

import { collections } from "$lib/server/database";
import { z } from "zod";
import { authCondition } from "$lib/server/auth";
import { DEFAULT_SETTINGS, type SettingsEditable } from "$lib/types/Settings";
import { toolFromConfigs } from "$lib/server/tools/index.js";
import { ObjectId } from "mongodb";

export async function POST({ request, locals }) {
	const body = await request.json();

	const { ethicsModalAccepted, ...settings } = z
		.object({
			shareConversationsWithModelAuthors: z
				.boolean()
				.default(DEFAULT_SETTINGS.shareConversationsWithModelAuthors),
			hideEmojiOnSidebar: z.boolean().default(DEFAULT_SETTINGS.hideEmojiOnSidebar),
			ethicsModalAccepted: z.boolean().optional(),
			activeModel: z.string().default(DEFAULT_SETTINGS.activeModel),
			customPrompts: z.record(z.string()).default({}),
			tools: z.array(z.string()).optional(),
			disableStream: z.boolean().default(false),
			directPaste: z.boolean().default(false),
		})
		.parse(body) satisfies SettingsEditable;

	// make sure all tools exist
	// either in db or in config
	if (settings.tools) {
		const newTools = [
			...(await collections.tools
				.find({ _id: { $in: settings.tools.map((toolId) => new ObjectId(toolId)) } })
				.project({ _id: 1 })
				.toArray()
				.then((tools) => tools.map((tool) => tool._id.toString()))),
			...toolFromConfigs
				.filter((el) => (settings?.tools ?? []).includes(el._id.toString()))
				.map((el) => el._id.toString()),
		];

		settings.tools = newTools;
	}

	await collections.settings.updateOne(
		authCondition(locals),
		{
			$set: {
				...settings,
				...(ethicsModalAccepted && { ethicsModalAcceptedAt: new Date() }),
				updatedAt: new Date(),
			},
			$setOnInsert: {
				createdAt: new Date(),
			},
		},
		{
			upsert: true,
		}
	);
	// return ok response
	return new Response();
}