fix: make logging in not mandatory

src/lib/auth/index.ts

@@ -13,3 +13,8 @@ export interface User {
 	name: string;
 	avatarHash: string;
 }
+
+export interface CookieData {
+	state: string;
+	next: string;
+}

src/lib/index.ts

@@ -13,7 +13,7 @@ let lazyTram: [GeoJSON.Feature, string][] | null = null;
 let lazyStops: GeoJSON.Feature[] | null = null;
 
 export async function createGame(
-	userId: string,
+	userId: string | null,
 	mode: string,
 	stopsType: string,
 	stops: GeoJSON.Feature[],

src/routes/+page.server.ts

@@ -1,10 +1,5 @@
-import { redirect } from "@sveltejs/kit";
 import type { PageServerLoad } from "./$types";
 
 export const load: PageServerLoad = async ({ locals }) => {
-	if (locals.user === null) {
-		redirect(302, "/login");
-	} else {
-		return { user: locals.user };
-	}
+	return { user: locals.user };
 };

src/routes/api/game/+server.ts

@@ -6,9 +6,7 @@ export const GET: RequestHandler = async ({ url, platform, locals }) => {
 	const db = platform?.env?.TCL_GUESSR_D1 ?? null;
 	if (db === null) error(500, "could not connect to d1");
 
-	const user = locals.user;
-	if (user === null) error(401, "not logged in");
-
+	const userId = locals.user?.id ?? null;
 	const options = parseOptions(url);
 
 	const crossingStops = await getMergedStops(options.stopsType);
@@ -18,7 +16,7 @@ export const GET: RequestHandler = async ({ url, platform, locals }) => {
 		error(400, "could not select random stop");
 	}
 
-	const gameData = await createGame(user.id, options.mode, options.stopsType, randomStops, db);
+	const gameData = await createGame(userId, options.mode, options.stopsType, randomStops, db);
 
 	return Response.json(gameData);
 };

src/routes/api/save/+server.ts

@@ -0,0 +1,16 @@
+import { error, redirect } from "@sveltejs/kit";
+import type { RequestHandler } from "./$types";
+
+export const GET: RequestHandler = async ({ locals, platform, url }) => {
+	const db = platform?.env?.TCL_GUESSR_D1 ?? null;
+	if (db === null) error(500, "could not connect to d1");
+
+	const gameId = url.searchParams.get("id") ?? null;
+	if (gameId === null) error(400, "no game id specified");
+
+	if (locals.user === null) error(401);
+
+	await db.prepare("UPDATE game SET user_id = ? WHERE id = ?").bind(locals.user.id, gameId).run();
+
+	redirect(302, `/results?gameId=${gameId}`);
+};

src/routes/login/+server.ts

@@ -2,18 +2,20 @@ import { redirect } from "@sveltejs/kit";
 import { generateState } from "arctic";
 import { discord } from "$lib/auth/discord";
 import type { RequestHandler } from "./$types";
+import type { CookieData } from "$lib/auth";
+
+export const GET: RequestHandler = async ({ cookies, url }) => {
+	const cookie: CookieData = { state: generateState(), next: url.searchParams.get("next") ?? "/" };
 
-export const GET: RequestHandler = async ({ cookies }) => {
-	const state = generateState();
 	const scopes = ["identify"];
-	const url = discord.createAuthorizationURL(state, scopes);
+	const authUrl = discord.createAuthorizationURL(cookie.state, scopes);
 
-	cookies.set("discord_oauth_state", state, {
+	cookies.set("discord_oauth_state", JSON.stringify(cookie), {
 		path: "/",
 		httpOnly: true,
 		maxAge: 60 * 10,
 		sameSite: "lax",
 	});
 
-	redirect(302, url);
+	redirect(302, authUrl);
 };

src/routes/login/callback/+server.ts

@@ -1,9 +1,11 @@
 import { error, redirect } from "@sveltejs/kit";
-import type { RequestHandler } from "./$types";
 import { discord, type DiscordUser } from "$lib/auth/discord";
 import { OAuth2RequestError, type OAuth2Tokens } from "arctic";
 import { createSession, generateSessionToken } from "$lib/auth/session";
 import { setSessionTokenCookie } from "$lib/auth/cookie";
+import { destr } from "destr";
+import type { RequestHandler } from "./$types";
+import type { CookieData } from "$lib/auth";
 
 export const GET: RequestHandler = async ({ platform, url, cookies, fetch }) => {
 	const db = platform?.env?.TCL_GUESSR_D1 ?? null;
@@ -11,13 +13,13 @@ export const GET: RequestHandler = async ({ platform, url, cookies, fetch }) =>
 
 	const code = url.searchParams.get("code");
 	const state = url.searchParams.get("state");
-	const storedState = cookies.get("discord_oauth_state") ?? null;
+	const cookie = destr<CookieData>(cookies.get("discord_oauth_state")) ?? null;
 
-	if (code === null || state === null || storedState === null) {
+	if (code === null || state === null || cookie === null) {
 		error(400, "missing things from oauth2 response");
 	}
 
-	if (state !== storedState) {
+	if (state !== cookie.state) {
 		error(400, "state does not match");
 	}
 
@@ -49,5 +51,5 @@ export const GET: RequestHandler = async ({ platform, url, cookies, fetch }) =>
 	const session = await createSession(sessionToken, discordUser.id, db);
 	setSessionTokenCookie(cookies, sessionToken, session.expiresAt);
 
-	redirect(302, "/");
+	redirect(302, cookie.next);
 };

src/routes/results/+page.server.ts

@@ -4,12 +4,13 @@ import { error } from "@sveltejs/kit";
 interface JoinedRoundScore {
 	mode: string;
 	total_score: number;
+	name: string;
 	points: number;
 	distance: number;
 	stop_name: string;
 }
 
-export const load: PageServerLoad = async ({ url, platform }) => {
+export const load: PageServerLoad = async ({ locals, url, platform }) => {
 	const db = platform?.env?.TCL_GUESSR_D1;
 	if (!db) error(500, "could not connect to d1");
 
@@ -18,10 +19,10 @@ export const load: PageServerLoad = async ({ url, platform }) => {
 
 	const { results } = await db
 		.prepare(
-			"SELECT game.mode, game.total_score, round.points, round.distance, round.stop_name FROM game INNER JOIN round ON round.game_id = game.id WHERE game.id = ?;",
+			"SELECT game.mode, game.total_score, user.name, round.points, round.distance, round.stop_name FROM game INNER JOIN round ON round.game_id = game.id LEFT JOIN user ON user.id = game.user_id WHERE game.id = ?;",
 		)
 		.bind(gameId)
 		.all<JoinedRoundScore>();
 
-	return { rounds: results, gameId };
+	return { rounds: results, gameId, loggedIn: locals.user !== null };
 };

src/routes/results/+page.svelte

@@ -10,6 +10,9 @@
 
 	const totalScore = props.data.rounds[0].total_score;
 	const mode = props.data.rounds[0].mode;
+	const name = props.data.rounds[0].name;
+
+	const saveParams = new URLSearchParams({ next: `/api/save?id=${props.data.gameId}` });
 </script>
 
 <div class="container">
@@ -19,6 +22,14 @@
 
 	<span>mode: {mode}</span>
 
+	{#if name !== null}
+		<span>joué par {name}</span>
+	{:else if props.data.loggedIn}
+		<span>joué par <i>un inconnu...</i></span>
+	{:else}
+		<span><a href="/login?{saveParams}">connectez vous</a> pour sauvegarder votre score!</span>
+	{/if}
+
 	<table>
 		<tbody>
 			{#each props.data.rounds as round}