fix(frontend): don't throw a 500 error if a user or member doesn't exist

Foxnouns.Frontend/src/routes/@[username]/+page.server.ts

@@ -1,13 +1,24 @@
 import { apiRequest } from "$api";
-import type { PartialMember, UserWithMembers } from "$api/models";
+import ApiError, { ErrorCode } from "$api/error.js";
+import type { PartialMember, User, UserWithMembers } from "$api/models";
+import log from "$lib/log.js";
+import { error } from "@sveltejs/kit";
 
 const MEMBERS_PER_PAGE = 20;
 
 export const load = async ({ params, fetch, cookies, url }) => {
-	const user = await apiRequest<UserWithMembers>("GET", `/users/${params.username}`, {
+	let user: UserWithMembers;
-		fetch,
+
-		cookies,
+	try {
-	});
+		user = await apiRequest<UserWithMembers>("GET", `/users/${params.username}`, {
+			fetch,
+			cookies,
+		});
+	} catch (e) {
+		if (e instanceof ApiError && e.code === ErrorCode.UserNotFound) error(404, "User not found");
+		log.error("Error fetching user %s:", params.username, e);
+		throw e;
+	}
 
 	// Paginate members on the server side
 	let currentPage = 0;

Foxnouns.Frontend/src/routes/@[username]/[memberName]/+page.server.ts

@@ -1,15 +1,28 @@
 import { apiRequest } from "$api";
+import ApiError, { ErrorCode } from "$api/error.js";
 import type { Member } from "$api/models/member";
+import log from "$lib/log.js";
+import { error } from "@sveltejs/kit";
 
 export const load = async ({ params, fetch, cookies }) => {
-	const member = await apiRequest<Member>(
+	try {
-		"GET",
+		const member = await apiRequest<Member>(
-		`/users/${params.username}/members/${params.memberName}`,
+			"GET",
-		{
+			`/users/${params.username}/members/${params.memberName}`,
-			fetch,
+			{
-			cookies,
+				fetch,
-		},
+				cookies,
-	);
+			},
+		);
 
-	return { member };
+		return { member };
+	} catch (e) {
+		if (e instanceof ApiError) {
+			if (e.code === ErrorCode.UserNotFound) error(404, "User not found");
+			if (e.code === ErrorCode.MemberNotFound) error(404, "Member not found");
+		}
+
+		log.error("Error fetching user %s/member %s:", params.username, params.memberName, e);
+		throw e;
+	}
 };