should be all good now (and added api status notifications)

projects/backend/Dockerfile

@@ -25,6 +25,6 @@ RUN bun --filter '@ssr/common' build
 COPY --from=depends /app/projects/backend ./projects/backend
 
 # Lint before starting
-RUN bun --filter 'website' lint
+RUN bun --filter 'backend' lint
 
 CMD ["bun", "run", "--filter", "backend", "start"]

projects/backend/src/controller/app.controller.ts

@@ -12,6 +12,13 @@ export default class AppController {
     };
   }
 
+  @Get("/health")
+  public async getHealth() {
+    return {
+      status: "OK",
+    };
+  }
+
   @Get("/statistics")
   public async getStatistics() {
     return await AppService.getAppStatistics();

projects/common/src/utils/api-utils.ts

@@ -0,0 +1,27 @@
+import ky from "ky";
+
+type ApiHealth = {
+  online: boolean;
+};
+
+/**
+ * Gets the health of the api server.
+ *
+ * @param url the url of the api
+ */
+export async function getApiHealth(url: string): Promise<ApiHealth> {
+  try {
+    await ky
+      .get(url, {
+        cache: "no-cache",
+      })
+      .json();
+    return {
+      online: true,
+    };
+  } catch {
+    return {
+      online: false,
+    };
+  }
+}

projects/common/src/utils/utils.ts

@@ -1,3 +1,5 @@
+import ky from "ky";
+
 /**
  * Checks if we're in production
  */
@@ -24,3 +26,17 @@ export function delay(ms: number) {
 export function getPageFromRank(rank: number, itemsPerPage: number) {
   return Math.floor(rank / itemsPerPage) + 1;
 }
+
+/**
+ * Fetches data from the given url.
+ *
+ * @param url the url to fetch
+ */
+export async function kyFetch<T>(url: string): Promise<T | undefined> {
+  try {
+    return await ky.get<T>(url).json();
+  } catch (error) {
+    console.error(`Error fetching data from ${url}:`, error);
+    return undefined;
+  }
+}

projects/website/src/app/(pages)/page.tsx

@@ -1,14 +1,14 @@
 import { Button } from "@/components/ui/button";
 import Link from "next/link";
-import ky from "ky";
 import { config } from "../../../config";
 import { AppStatistics } from "@ssr/common/types/backend/app-statistics";
 import Statistic from "@/components/home/statistic";
+import { kyFetch } from "@ssr/common/utils/utils";
 
 export const dynamic = "force-dynamic"; // Always generate the page on load
 
 export default async function HomePage() {
-  const statistics = await ky.get(config.siteApi + "/statistics").json<AppStatistics>();
+  const statistics = await kyFetch<AppStatistics>(config.siteApi + "/statistics");
 
   return (
     <main className="flex flex-col items-center w-full gap-6 text-center">
@@ -21,10 +21,12 @@ export default async function HomePage() {
         <p>ScoreSaber Reloaded is a website that allows you to track your ScoreSaber data over time.</p>
       </div>
 
+      {statistics && (
         <div className="flex items-center flex-col">
           <p className="font-semibold">Site Statistics</p>
           <Statistic title="Total Tracked Players" value={statistics.trackedPlayers} />
         </div>
+      )}
 
       <div className="flex gap-2 flex-wrap">
         <Link href="/search">

projects/website/src/app/layout.tsx

@@ -14,6 +14,7 @@ import NavBar from "../components/navbar/navbar";
 import { Colors } from "@/common/colors";
 import OfflineNetwork from "@/components/offline-network";
 import Script from "next/script";
+import { ApiHealth } from "@/components/api/api-health";
 
 const siteFont = localFont({
   src: "./fonts/JetBrainsMono.ttf",
@@ -79,6 +80,7 @@ export default function RootLayout({
               <ThemeProvider attribute="class" defaultTheme="dark" enableSystem disableTransitionOnChange>
                 <QueryProvider>
                   <AnimatePresence>
+                    <ApiHealth />
                     <main className="flex flex-col min-h-screen gap-2 text-white w-full">
                       <NavBar />
                       <div className="z-[1] m-auto flex flex-col flex-grow items-center w-full md:max-w-[1600px]">

projects/website/src/components/api/api-health.tsx

@@ -0,0 +1,46 @@
+"use client";
+
+import { useQuery } from "@tanstack/react-query";
+import { useEffect, useRef, useState } from "react";
+import { getApiHealth } from "@ssr/common/utils/api-utils";
+import { config } from "../../../config";
+import { useToast } from "@/hooks/use-toast";
+import { useIsFirstRender } from "@uidotdev/usehooks";
+
+export function ApiHealth() {
+  const { toast } = useToast();
+  const firstRender = useIsFirstRender();
+  const [online, setOnline] = useState<boolean>(true);
+  const previousOnlineStatus = useRef<boolean>(true);
+
+  useQuery({
+    queryKey: ["api-health"],
+    queryFn: async () => {
+      const status = (await getApiHealth(config.siteApi)).online;
+      setOnline(status);
+      return status;
+    },
+    refetchInterval: 1000 * 15,
+  });
+
+  useEffect(() => {
+    if (firstRender) {
+      return;
+    }
+
+    // Trigger toast only if the online status changes
+    if (previousOnlineStatus.current !== online) {
+      toast({
+        title: `The API is now ${online ? "Online" : "Offline"}!`,
+        description: online ? "The API has recovered connectivity." : "The API has lost connectivity.",
+        variant: online ? "success" : "destructive",
+        duration: 10_000, // 10 seconds
+      });
+    }
+
+    // Update the previous online status
+    previousOnlineStatus.current = online;
+  }, [firstRender, online, toast]);
+
+  return <></>;
+}