add rank and country rank change stats

src/common/model/player/impl/scoresaber-player.ts

@@ -1,4 +1,4 @@
-import Player from "../player";
+import Player, { StatisticChange } from "../player";
 import ScoreSaberPlayerToken from "@/common/model/token/scoresaber/score-saber-player-token";
 import { PlayerHistory } from "@/common/player/player-history";
 import { config } from "../../../../../config";
@@ -26,7 +26,7 @@ export default interface ScoreSaberPlayer extends Player {
   /**
    * The change in pp compared to yesterday.
    */
-  ppChange: number;
+  statisticChange: StatisticChange | undefined;
 
   /**
    * The role the player has.
@@ -129,12 +129,27 @@ export async function getScoreSaberPlayerFromToken(
   );
   const todayStats = statisticHistory[todayDate];
   const yesterdayStats = statisticHistory[yesterdayDate];
+  const hasChange = !!(todayStats && yesterdayStats);
 
-  // Calculate the pp change
-  const ppChange =
-    todayStats && yesterdayStats && todayStats.pp && yesterdayStats.pp
-      ? todayStats.pp - yesterdayStats.pp
-      : 0;
+  /**
+   * Gets the change in the given stat
+   *
+   * @param statType the stat to check
+   * @return the change
+   */
+  const getChange = (statType: "rank" | "countryRank" | "pp"): number => {
+    if (!hasChange) {
+      return 0;
+    }
+    const statToday = todayStats[`${statType}`];
+    const statYesterday = yesterdayStats[`${statType}`];
+    return !!(statToday && statYesterday) ? statToday - statYesterday : 0;
+  };
+
+  // Calculate the changes
+  const rankChange = getChange("rank");
+  const countryRankChange = getChange("countryRank");
+  const ppChange = getChange("pp");
 
   return {
     id: token.id,
@@ -146,7 +161,11 @@ export async function getScoreSaberPlayerFromToken(
     joinedDate: new Date(token.firstSeen),
     bio: bio,
     pp: token.pp,
-    ppChange: ppChange,
+    statisticChange: {
+      rank: rankChange * -1, // Reverse the rank change
+      countryRank: countryRankChange * -1, // Reverse the country rank change
+      pp: ppChange,
+    },
     role: role,
     badges: badges,
     statisticHistory: statisticHistory,

src/common/model/player/player.ts

@@ -1,3 +1,5 @@
+import { PlayerHistory } from "@/common/player/player-history";
+
 export default class Player {
   /**
    * The ID of this player.
@@ -41,7 +43,7 @@ export default class Player {
     country: string,
     rank: number,
     countryRank: number,
-    joinedDate: Date
+    joinedDate: Date,
   ) {
     this.id = id;
     this.name = name;
@@ -52,3 +54,5 @@ export default class Player {
     this.joinedDate = joinedDate;
   }
 }
+
+export type StatisticChange = PlayerHistory;

src/components/player/player-header.tsx

@@ -7,6 +7,33 @@ import ClaimProfile from "./claim-profile";
 import PlayerStats from "./player-stats";
 import ScoreSaberPlayer from "@/common/model/player/impl/scoresaber-player";
 import Tooltip from "@/components/tooltip";
+import { ReactElement } from "react";
+
+/**
+ * Renders the change for a stat.
+ *
+ * @param change the amount of change
+ * @param tooltip the tooltip to display
+ * @param format the function to format the value
+ */
+const renderChange = (
+  change: number,
+  tooltip: ReactElement,
+  format?: (value: number) => string,
+) => {
+  format = format ?? formatNumberWithCommas;
+
+  return (
+    <Tooltip display={tooltip}>
+      <p
+        className={`text-sm ${change > 0 ? "text-green-400" : "text-red-400"}`}
+      >
+        {change > 0 ? "+" : ""}
+        {format(change)}
+      </p>
+    </Tooltip>
+  );
+};
 
 const playerData = [
   {
@@ -15,7 +42,19 @@ const playerData = [
       return <GlobeAmericasIcon className="h-5 w-5" />;
     },
     render: (player: ScoreSaberPlayer) => {
-      return <p>#{formatNumberWithCommas(player.rank)}</p>;
+      const statisticChange = player.statisticChange;
+      const rankChange = statisticChange?.rank ?? 0;
+
+      return (
+        <div className="text-gray-300 flex gap-1 items-center">
+          <p>#{formatNumberWithCommas(player.rank)}</p>
+          {rankChange != 0 &&
+            renderChange(
+              rankChange,
+              <p>The change in your rank compared to yesterday</p>,
+            )}
+        </div>
+      );
     },
   },
   {
@@ -24,26 +63,37 @@ const playerData = [
       return <CountryFlag code={player.country} size={15} />;
     },
     render: (player: ScoreSaberPlayer) => {
-      return <p>#{formatNumberWithCommas(player.countryRank)}</p>;
+      const statisticChange = player.statisticChange;
+      const rankChange = statisticChange?.countryRank ?? 0;
+
+      return (
+        <div className="text-gray-300 flex gap-1 items-center">
+          <p>#{formatNumberWithCommas(player.countryRank)}</p>
+          {rankChange != 0 &&
+            renderChange(
+              rankChange,
+              <p>The change in your rank compared to yesterday</p>,
+            )}
+        </div>
+      );
     },
   },
   {
     showWhenInactiveOrBanned: true,
     render: (player: ScoreSaberPlayer) => {
+      const statisticChange = player.statisticChange;
+      const ppChange = statisticChange?.pp ?? 0;
+
       return (
         <div className="text-pp flex gap-1 items-center">
           <p>{formatPp(player.pp)}pp</p>
-          {player.ppChange != 0 && (
-            <Tooltip
-              display={<p>The change in your pp compared to yesterday</p>}
-            >
-              <p
-                className={`text-sm ${player.ppChange > 0 ? "text-green-400" : "text-red-400"}`}
-              >
-                {player.ppChange > 0 ? "+" : ""}
-                {formatPp(player.ppChange)}pp
-              </p>
-            </Tooltip>
+          {ppChange != 0 &&
+            renderChange(
+              ppChange,
+              <p>The change in your pp compared to yesterday</p>,
+              (number) => {
+                return `${formatPp(number)}pp`;
+              },
             )}
         </div>
       );