Create Leaderboard.js

Author: rayhanadev

src/classes/Leaderboard.js

@@ -0,0 +1,99 @@
+let headers = require('../utils/headers.js');
+let variables = require('../utils/variables.js');
+
+class Leaderboard {
+	async leaderboardData(after, count, since) {
+		if (!after) after = '';
+		if (!count) count = 10;
+		if (!since) {
+			let output = [];
+
+			async function recurse(after) {
+				if (after === null) return;
+
+				let info = await variables
+					.fetch('https://repl.it/graphql', {
+						method: 'POST',
+						headers,
+						body: JSON.stringify({
+							query: `
+              query Leaderboard($after: String!, $count: Int!) {
+                leaderboard(after: $after, count: $count) {
+                  items { ${variables.userAttributes} }
+                  pageInfo {
+                    nextCursor
+                  }
+                }
+              }`,
+							variables: {
+								after,
+								count
+							}
+						})
+					})
+					.then(res => res.json());
+
+				if (!info.data.leaderboard) {
+					throw new Error(`Cannot fetch leaderboard`);
+				} else {
+					info.data.leaderboard.items.forEach(user => {
+						output.push(user);
+					});
+					if (output.length != count) {
+						await recurse(info.data.leaderboard.pageInfo.nextCursor);
+					}
+				}
+			}
+
+			await recurse(after);
+			return output;
+		} else {
+			let output = [];
+
+			async function recurse(after) {
+				if (after === null) return;
+
+				let info = await variables
+					.fetch('https://repl.it/graphql', {
+						method: 'POST',
+						headers,
+						body: JSON.stringify({
+							query: `
+              query Leaderboard($after: String!, $count: Int!, $since: KarmaSince!) {
+                leaderboard(after: $after, count: $count, since: $since) {
+                  items { ${variables.userAttributes} }
+                  pageInfo {
+                    nextCursor
+                  }
+                }
+              }`,
+							variables: {
+								after,
+								count,
+								since
+							}
+						})
+					})
+					.then(res => res.json());
+
+				if (!info.data.leaderboard) {
+					throw new Error(`Cannot fetch leaderboard`);
+				} else {
+					info.data.leaderboard.items.forEach(user => {
+						output.push(user);
+					});
+					if (output.length != count) {
+						await recurse(info.data.leaderboard.pageInfo.nextCursor);
+					}
+				}
+			}
+
+			await recurse(after);
+			return output;
+		}
+	}
+}
+
+module.exports = {
+	Leaderboard: Leaderboard
+};