Add a statistics page (WIP)

app/api/leaderboard/position/route.ts

@@ -1,6 +1,5 @@
 import { getLeaderboard } from "@/app/leaderboards/leaderboards";
-import { NextResponse } from "next/server";
-import { NextRequest } from "next/server";
+import { NextRequest, NextResponse } from "next/server";
 import { client } from "../../mongo";
 
 export const dynamic = "force-dynamic";
@@ -11,27 +10,24 @@ export async function fetchPosition(
     stat: string,
     sortDirection: 1 | -1 = -1
 ) {
-    const filter: { [key: string]: { [key: string]: any } } = {};
-    const sort: { [key: string]: number } = {};
-
-    filter[`statistics.${stat}`] = {
-        $exists: true,
-    };
-
-    sort[`statistics.${stat}`] = sortDirection;
-
     const pos = await (
         await client
     )
         .db("bluedragon")
         .collection("players")
         .aggregate([
             {
-                $match: filter,
+                $match: {
+                    [`statistics.${stat}`]: {
+                        $exists: true,
+                    },
+                },
             },
             {
                 $setWindowFields: {
-                    sortBy: sort,
+                    sortBy: {
+                        [`statistics.${stat}`]: sortDirection,
+                    },
                     output: {
                         position: {
                             $documentNumber: {},

app/stats/page.tsx

@@ -0,0 +1,99 @@
+import { client } from "../api/mongo";
+
+export const revalidate = 60; // Update every minute
+
+const format = new Intl.DateTimeFormat(undefined, {
+    dateStyle: "medium",
+    timeStyle: "long",
+});
+
+export default async function Page() {
+    const uniquePlayers = await (await client)
+        .db("bluedragon")
+        .collection("players")
+        .countDocuments();
+
+    const cosmeticsBought = await (
+        await client
+    )
+        .db("bluedragon")
+        .collection("players")
+        .aggregate([
+            {
+                $unwind: {
+                    path: "$cosmetics",
+                    preserveNullAndEmptyArrays: false,
+                },
+            },
+            {
+                $count: "count",
+            },
+        ])
+        .toArray();
+
+    const coins = await (
+        await client
+    )
+        .db("bluedragon")
+        .collection("players")
+        .aggregate([
+            {
+                $group: {
+                    _id: null,
+                    total: {
+                        $sum: "$coins",
+                    },
+                },
+            },
+            {
+                $project: {
+                    _id: 0,
+                },
+            },
+        ])
+        .toArray();
+
+    const statsRecorded = await (
+        await client
+    )
+        .db("bluedragon")
+        .collection("players")
+        .aggregate([
+            {
+                $addFields: {
+                    numStats: {
+                        $size: {
+                            $objectToArray: "$statistics",
+                        },
+                    },
+                },
+            },
+            {
+                $group: {
+                    _id: null,
+                    total: {
+                        $sum: "$numStats",
+                    },
+                },
+            },
+            {
+                $project: {
+                    _id: 0,
+                },
+            },
+        ])
+        .toArray();
+
+    return (
+        <main className="prose mx-auto dark:prose-invert">
+            <h1>Stats</h1>
+            <p>Last updated: {format.format(new Date())}</p>
+            <ul>
+                <li>Unique players: {uniquePlayers}</li>
+                <li>Cosmetics bought: {cosmeticsBought[0].count}</li>
+                <li>Statistic data points: {statsRecorded[0].total}</li>
+                <li>Coins: {coins[0].total}</li>
+            </ul>
+        </main>
+    );
+}