check-in.js

const fs = require("fs");
const path = require("path");
const { getDay } = require("../utils/day");
const us = require("../static/users/index");
const meta = require("../static/meta.json");
const mySolutions = require("../static/my/solutions.json");
const { whitelist } = require("../config/index");

const allUsers = JSON.parse(JSON.stringify(us));

// 清空补签卡
function resetCards() {
	for (const name in allUsers) {
		allUsers[name].card = 0;
	}
	fs.writeFileSync(
		path.resolve(__dirname, "../static/users/index.json"),
		JSON.stringify(allUsers),
	);
}

function run(n) {
	// 返回目前为止满勤的人（连续七天可获取补签卡）
	function fullCheckIn(from = 1, to = getDay()) {
		const users = [];
		const DAYS_TO_GET_CARD = 7;

		for (const login in mySolutions) {
			const solutions = mySolutions[login];
			let i = from - 1;
			let card = 0; // 补签卡数量
			let noCheckDays = 0;
			let continuousDays = 0; // 连续打卡的天数
			while (i < to) {
				if (!solutions || !solutions[i] || !solutions[i].onTime) {
					continuousDays = 0;
					noCheckDays++;
				} else {
					continuousDays++;
					if (continuousDays == DAYS_TO_GET_CARD) {
						card++;
						continuousDays = 0;
					}
				}
				i++;
			}
			if (card >= noCheckDays) {
				users.push({ login, card: card - noCheckDays });
			}
		}
		return users;
	}
	// 返回7天内(不包括今天)所有已经打卡的
	function checkWithinNDays(n) {
		const users = {};
		const day = getDay();
		if (day <= n) {
			return us; // 至少第 n + 1 天才能开始统计前 n 天
		}
		for (const name in us) {
			if (whitelist.includes(name)) {
				users[name] = true;
				continue;
			}
			us[name].noCheck = false;
			us[name].allCheck = false;
			const solutions = mySolutions[name];
			if (!us[name].createTime) {
				us[name].createTime = new Date().getTime();
			}
			// 如果注册时间不满 n 天，则算打过卡。
			if ((day - getDay(us[name].createTime) + 1) <= n) {
				users[name] = true;
				continue;
			}

			// [day - n - 2, day - 2]
			let i = day - n - 1;

			let count = 0;

			while (i < (day - 1)) {
				if (!solutions || !solutions[i] || !solutions[i].onTime) {
					count += 1;
				} else {
					count = 0;
				}
				i++;
			}

			if (count < n) {
				users[name] = true;
			}
		}
		return users;
	}

	function diff(A, B) {
		for (const name in B) {
			delete A[name.toLocaleLowerCase()];
		}
		return Object.keys(A);
	}
	const graplist = checkWithinNDays(n);
	const blacklist = diff(allUsers, graplist).filter(
		(name) => !/[A-Z]/.test(name),
	);
	const redlist = fullCheckIn();
	console.log(`no check within ${n} days`, JSON.stringify(blacklist));
	console.log(`full check`, redlist);

	for (const login of Object.keys(graplist)) {
		// 更新 users 信息。 如果七天没有打过卡，则直接不会更新到 users
		if (!us[login]) {
			us[login] = {};
		}
		us[login].noCheck = false;
	}

	for (const red of redlist) {
		if (!us[red.login]) {
			us[red.login] = {};
		}
		us[red.login].allCheck = true;
		us[red.login].noCheck = false;
		us[red.login].card = red.card;
	}
	for (const login of blacklist) {
		if (!us[login]) {
			us[login] = {};
		}
		us[login].noCheck = true;
	}

	fs.writeFileSync(
		path.resolve(__dirname, "../static/users/index.json"),
		JSON.stringify(us),
	);

	if (!meta.checkIn) {
		meta.checkIn = {};
	}

	meta.checkIn.lastUpdateTime = new Date().getTime();

	fs.writeFileSync(
		path.resolve(__dirname, "../static/meta.json"),
		JSON.stringify(meta),
	);
}

const lastUpdateTime = meta.checkIn ? -1 : -1;
const MS_PER_HOUR = 1 * 60 * 60 * 1000;
const TODAY = getDay(new Date().getTime() - MS_PER_HOUR);
// 一天仅检查一次
if ((TODAY - getDay(lastUpdateTime)) > 0) {
	run(7);
}
// resetCards();