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lc.js
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lc.js
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//graphql query
const query = `
query userContestRankingInfo($username: String!) {
allQuestionsCount {
difficulty
count
}
matchedUser(username: $username) {
contributions {
points
}
profile {
reputation
ranking
}
submissionCalendar
submitStats {
acSubmissionNum {
difficulty
count
submissions
}
totalSubmissionNum {
difficulty
count
submissions
}
}
}
userContestRanking(username: $username) {
attendedContestsCount
rating
globalRanking
totalParticipants
topPercentage
badge {
name
}
}
userContestRankingHistory(username: $username) {
attended
trendDirection
problemsSolved
totalProblems
finishTimeInSeconds
rating
ranking
contest {
title
startTime
}
}
}
`;
// format data
const formatData = (data) => {
let sendData = {
...data,
};
sendData.totalSolved = data.matchedUser.submitStats.acSubmissionNum[0].count;
sendData.totalSubmissions = data.matchedUser.submitStats.totalSubmissionNum;
sendData.totalQuestions = data.allQuestionsCount[0].count;
sendData.easySolved = data.matchedUser.submitStats.acSubmissionNum[1].count;
sendData.totalEasy = data.allQuestionsCount[1].count;
sendData.mediumSolved = data.matchedUser.submitStats.acSubmissionNum[2].count;
sendData.totalMedium = data.allQuestionsCount[2].count;
sendData.hardSolved = data.matchedUser.submitStats.acSubmissionNum[3].count;
sendData.totalHard = data.allQuestionsCount[3].count;
sendData.ranking = data.matchedUser.profile.ranking;
sendData.contributionPoint = data.matchedUser.contributions.points;
sendData.reputation = data.matchedUser.profile.reputation;
sendData.submissionCalendar = JSON.parse(data.matchedUser.submissionCalendar);
return sendData;
};
//fetching the data
exports.leetcode = (req, res) => {
let user = req.params.id;
fetch("https://leetcode.com/graphql", {
method: "POST",
headers: {
"Content-Type": "application/json",
Referer: "https://leetcode.com",
},
body: JSON.stringify({ query: query, variables: { username: user } }),
})
.then((result) => result.json())
.then((data) => {
if (data.errors) {
res.send(data);
} else {
res.send(formatData(data.data));
}
})
.catch((err) => {
console.error("Error", err);
res.send(err);
});
};