use leaderboard by id route

src/components/Leaderboard.tsx

@@ -3,12 +3,14 @@ import useUser from "../hooks/UseProfile";
 import "./Leaderboard.css";
 import { useUsers } from "../hooks/UseUser";
 import { LeaderboardRow } from "./LeaderboardRow";
-import { useThisWeek } from "../hooks/UseWeek";
-import { useSearchParams } from "react-router-dom";
-import { useAllStudyProblems, useProblems } from "../hooks/UseProblem";
+import { useProblems } from "../hooks/UseProblem";
 import { useQueries } from "@tanstack/react-query";
 import { getStats } from "../score/score";
-import { useLeaderboardIndex } from "../hooks/UseLeaderboard";
+import {
+  useCurrentLeaderboard,
+  useLeaderboard,
+  useLeaderboardIndex,
+} from "../hooks/UseLeaderboard";
 
 function formatCodeforcesId(input: string) {
   const match = input.match(/^(\d+)(\D.*)$/);
@@ -22,8 +24,13 @@ function formatCodeforcesId(input: string) {
 export function Leaderboard() {
   const user = useUser();
   const users = useUsers();
-  const thisWeek = useThisWeek();
-  const allProblemsLength = thisWeek.kattis.length + thisWeek.codeforces.length;
+  const leaderboard = useCurrentLeaderboard();
+
+  const { data } = useLeaderboard(leaderboard);
+  const thisWeek = data?.thisWeek;
+  const allStudyProblems = data?.allProblems;
+  const allProblemsLength =
+    (thisWeek?.kattis?.length ?? 0) + (thisWeek?.codeforces?.length ?? 0);
   const solvedProblems: {
     kattis: Map<string, number>;
     codeforces: Map<string, number>;
@@ -39,11 +46,8 @@ export function Leaderboard() {
       solvedProblems.codeforces.set(problem, 1);
     }
   }
-  const links = thisWeek.links ?? {};
-  const [params] = useSearchParams();
-  const leaderboard = params.get("leaderboard") || "all";
+  const links = thisWeek?.links ?? {};
   const { data: allProblems } = useProblems();
-  const { data: allStudyProblems } = useAllStudyProblems();
   const { data: leaderboardIndex } = useLeaderboardIndex();
   const leaderboardData = leaderboardIndex?.[leaderboard];
 
@@ -56,7 +60,6 @@ export function Leaderboard() {
           : undefined;
       },
       enabled: !!allProblems && !!allStudyProblems && !!leaderboardData,
-      staleTime: 1000 * 60 * 5,
     })),
     combine: (results) => results.map((r) => r.data).filter((a) => !!a),
   });
@@ -70,7 +73,7 @@ export function Leaderboard() {
   }
   return (
     <div className="Leaderboard flexCol w-full align-center">
-      {thisWeek.topic && (
+      {thisWeek?.topic && (
         <div className="responsive-fg bg-secondary flexCol">
           <div className="align-center">
             <h4 className="large text-green-400">

src/components/LeaderboardRow.tsx

@@ -3,9 +3,9 @@ import Flame from "../icons/Flame";
 import FlameBorder from "../icons/FlameBorder";
 import DeadFlame from "../icons/DeadFlame";
 import React from "react";
-import { useThisWeek } from "../hooks/UseWeek";
 import { UserStats } from "../score/score";
 import ProgressBar from "./ProgressBar";
+import { useCurrentLeaderboard, useLeaderboard } from "../hooks/UseLeaderboard";
 function WeeklyProblemBox({
   solved,
   allProblemsLength,
@@ -36,8 +36,11 @@ type LeaderboardRowProps = {
 
 export function LeaderboardRow({ userStats, rank, isMe }: LeaderboardRowProps) {
   const userId = userStats.user.id;
-  const thisWeek = useThisWeek();
-  const allProblemsLength = thisWeek.kattis.length + thisWeek.codeforces.length;
+  const leaderboard = useCurrentLeaderboard();
+  const { data } = useLeaderboard(leaderboard);
+  const thisWeek = data?.thisWeek;
+  const allProblemsLength =
+    (thisWeek?.kattis?.length ?? 0) + (thisWeek?.codeforces?.length ?? 0);
   const solvedKattis = new Set(Object.keys(userStats.user.kattis_submissions));
   const solvedCodeforces = new Set(
     Object.keys(userStats.user.codeforces_submissions ?? {})

src/components/Sidebar.tsx

@@ -1,11 +1,10 @@
 import React from "react";
 import UserBadge from "./UserBadge";
-import { useSearchParams } from "react-router-dom";
 import Countdown from "./Countdown";
+import { useCurrentLeaderboard } from "../hooks/UseLeaderboard";
 
 const Sidebar = ({ children }: React.PropsWithChildren) => {
-  const [params] = useSearchParams();
-  const leaderboard = params.get("leaderboard") ?? "all";
+  const leaderboard = useCurrentLeaderboard();
   return (
     <div className="flexCol align-center">
       <div className="shadow w-full flexRow space-between  bg-secondary flex-center">

src/hooks/UseLeaderboard.tsx

@@ -1,10 +1,12 @@
 import { useQuery } from "@tanstack/react-query";
 import axios from "axios";
 import { BACKEND_URL } from "./base";
+import { Platform, platformValues } from "../types/platform";
+import { useSearchParams } from "react-router-dom";
 
-export type Leaderboard = { start: Date; end: Date };
+export type LeaderboardEntry = { start: Date; end: Date };
 
-export type LeaderboardIndex = Record<string, Leaderboard>;
+export type LeaderboardIndex = Record<string, LeaderboardEntry>;
 type LeaderboardResponse = Record<
   string,
   {
@@ -37,3 +39,52 @@ export const useLeaderboardIndex = () => {
     : undefined;
   return { ...query, data: transformedData };
 };
+
+type PracticeWeek = string;
+
+export type Leaderboard = {
+  practice_set?: Record<
+    PracticeWeek,
+    { topic: string; links: Record<string, string> } & Partial<
+      Record<Platform, string[]>
+    >
+  >;
+  school?: string;
+};
+
+export type StudyProblems = Record<Platform, Set<string>>;
+
+const getLeaderboard = async (id: string): Promise<Leaderboard> => {
+  return (await axios.get(`${BACKEND_URL}/leaderboard/${id}`)).data;
+};
+
+export const useLeaderboard = (id: string) => {
+  const query = useQuery({
+    queryKey: ["leaderboard", id],
+    queryFn: () => getLeaderboard(id),
+    staleTime: 1000 * 60 * 5,
+  });
+  if (!query.data) return query;
+  const practiceSets = Object.entries(query.data.practice_set ?? {})
+    .map(([key, value]) => ({ ...value, start: key }))
+    .sort((a, b) => a.start.localeCompare(b.start));
+  const allProblems = practiceSets.reduce((acc, week) => {
+    platformValues.forEach((platform) => {
+      const problems = week[platform];
+      problems?.forEach((problem) => {
+        acc[platform].add(problem);
+      });
+    });
+    return acc;
+  }, platformValues.reduce((x, platform) => ({ ...x, [platform]: new Set<string>() }), {}) as StudyProblems);
+  const thisWeek = practiceSets.at(practiceSets.length - 1);
+  return {
+    ...query,
+    data: { allProblems, practiceSets, thisWeek },
+  };
+};
+
+export const useCurrentLeaderboard = () => {
+  const [params] = useSearchParams();
+  return params.get("leaderboard") ?? "byu_summer_24";
+};

src/hooks/UseProblem.tsx

@@ -5,8 +5,6 @@ import { Platform } from "../types/platform";
 type Problem = { [key: string]: { rating: number; name: string } };
 export type AllProblems = Record<Platform, Problem>;
 
-export type StudyProblems = Record<Platform, string[]>;
-
 async function getAllProblems(): Promise<AllProblems> {
   return (await axios.get(`${BACKEND_URL}/get_all_problems`)).data;
 }
@@ -18,15 +16,3 @@ export const useProblems = () => {
     staleTime: 1000 * 60 * 60 * 24,
   });
 };
-
-async function getAllStudyProblems(): Promise<StudyProblems> {
-  return (await axios.get(`${BACKEND_URL}/get_all_study_problems`)).data;
-}
-
-export const useAllStudyProblems = () => {
-  return useQuery({
-    queryFn: getAllStudyProblems,
-    queryKey: ["allStudyProblems"],
-    staleTime: 1000 * 60 * 60,
-  });
-};

src/score/score.ts

@@ -1,5 +1,5 @@
-import type { Leaderboard } from "../hooks/UseLeaderboard";
-import { AllProblems, StudyProblems } from "../hooks/UseProblem";
+import type { LeaderboardEntry, StudyProblems } from "../hooks/UseLeaderboard";
+import { AllProblems } from "../hooks/UseProblem";
 import { User } from "../hooks/UseUser";
 import { Platform, platformValues } from "../types/platform";
 
@@ -90,7 +90,7 @@ export function getStats(
   user: User,
   allProblems: AllProblems,
   studyProblems: StudyProblems,
-  leaderboard: Leaderboard
+  leaderboard: LeaderboardEntry
 ) {
   const kattisSubmissions: Record<string, { type: "practice"; time: number }> =
     Object.keys(user.kattis_submissions).reduce(
@@ -141,7 +141,7 @@ export function getStats(
       const current_exp = exp.get(day) ?? DAILY_BONUS;
       const multiplier =
         submission.type === "contestant" ||
-        studyProblems[platform].includes(problemId)
+        studyProblems[platform].has(problemId)
           ? 2
           : 1;
       if (submission.type === "contestant") {