Feature/add global ranking (#120)

* feat: add global ranking to sync script and profile history

* ranking from data

* taking global ranking from original api instead of snapshots

* Remove ranking changes from leaderboard sync logic

Removed ranking data from leaderboard calculations.

* Format codebase using Prettier

* Simplify ranking assignment in fetch-student-info

Remove unnecessary ranking assignment logic.

* Add 'use strict' directive to sync-leaderboard.js

Author: Yashaswini-K-P

scripts/fetch-student-info.js

@@ -15,10 +15,27 @@ async function fetchStudentHistory(username) {
   console.log("Fetching history for:", username);
 
   let history = [];
+  let ranking = null;
   let missingFilesCount = 0;
   const maxDays = 365;
   const chunkSize = 100;
 
+  try {
+    const liveApiUrl = `https://leetcode-api-dun.vercel.app/${username}`;
+    const apiResponse = await fetch(liveApiUrl);
+    if (apiResponse.ok) {
+      const apiData = await apiResponse.json();
+      // Captures the live ranking directly from the endpoint payload
+      ranking = apiData.ranking || 0;
+      console.log(`Live ranking fetched for ${username}:`, ranking);
+    }
+  } catch (err) {
+    console.error(
+      "Failed to fetch live global ranking from API wrapper:",
+      err.message,
+    );
+  }
+
   let done = false;
 
   for (let chunkStart = 0; chunkStart < maxDays; chunkStart += chunkSize) {
@@ -82,6 +99,7 @@ async function fetchStudentHistory(username) {
 
   return {
     username,
+    ranking,
     history,
   };
 }

scripts/sync-leaderboard.js

@@ -196,10 +196,12 @@ async function computeRankChanges(currentSorted, filename) {
       dailyData.splice(i--, 1);
       continue;
     }
+
     dailyData[i].data.easySolved -= previousData[previousIndex].data.easySolved;
     dailyData[i].data.mediumSolved -=
       previousData[previousIndex].data.mediumSolved;
     dailyData[i].data.hardSolved -= previousData[previousIndex].data.hardSolved;
+
     dailyData[i].score =
       dailyData[i].data.easySolved +
       dailyData[i].data.mediumSolved * 3 +