javascript 106-1 NTUSC选举黑客马拉松;天真地编写代码以使事情有效
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const Promise = require('bluebird');
const express = require('express');
const models = require('./models');
const app = express();
app.use('/static', express.static(__dirname + '/public'));
app.get('/clients', (req, resp) => {
// SELECT *, (TIME_TO_SEC(TIMEDIFF(NOW(3), `last_ping`)) - 8 * 3600) as timer FROM `client` order by timer asc
const exprDelay = models.db.fn('TIMEDIFF', models.db.fn('NOW', 3), models.db.col('last_ping'));
models.Client.findAll({
attributes: [
'id',
'name',
'last_ping',
[ exprDelay, 'delay_time' ]
],
order: [[models.db.col('delay_time'), 'DESC']]
}).then(rows => {
tableContent = rows.map(d => {
let cl = '';
let mat = (d.get('delay_time') || '').match(/(\d+?):(\d+?):(\d+?).(\d+)/);
delay_time = 0;
if (mat) {
delay_time = (mat[2] * 60000 + (mat[3] - 0) * 1000 + (mat[4] - 0)) / 1000;
delay_time = ('' + delay_time).slice(0, 7);
}
if (delay_time > 300) {
cl = 'danger';
} else if (delay_time > 60) {
cl = 'warning';
}
let last_ping = d.last_ping ? d.last_ping.toISOString() : '';
return `<tr class="${cl}"><td>${d.id}<td>${d.name}<td>${last_ping}<td style="text-align: right">${delay_time}`
}).join('');
html = `<!DOCTYPE html>
<html>
<head><link rel="stylesheet" href="/static/css/bootstrap.min.css">
<title>票點狀況</title>
<meta http-equiv="refresh" content="3">
<body style="font-size: 24px; margin-top: 2em;">
<div class="container">
<table class="table"><tbody>${tableContent}</table></div>`;
resp.send(html);
});
});
const enumClient = [
'一活', '二活', '普通', '新生', '共同', '大一女', '長興', '社科院', '水源', '醫學院', '公衛學院'
];
const enumDepcode = [
'1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B'
];
const enumDepname = [
'文', '理', '社科', '醫', '工', '生農', '管', '公衛', '電資', '法律', '生科'
];
app.get('/distr', (req, resp) => {
models.db.query('SELECT client.name, LEFT(ballot.dept, 1) as depcode, count(*) as cnt FROM `ballot`, `client` '
+ 'WHERE client.id = ballot.client_id AND ballot.commit = 1 GROUP BY client.id, depcode')
.spread((rows, _) => {
let pivot = [];
enumClient.forEach((_, i) => {
pivot[i] = [];
for (var j = 0; j < enumDepcode.length; j++) {
pivot[i][j] = '';
}
});
rows.forEach(row => {
let idx = enumClient.indexOf(row.name);
let idx2 = enumDepcode.indexOf(row.depcode);
if (idx < 0) {
console.log('WARN: ', row, 'not found in any client');
}
if (idx2 < 0) {
console.log('WARN: ', row, 'not found in any dept');
}
pivot[idx][idx2] = row.cnt;
});
return pivot;
}).then(pivot => {
tableHead = '<tr><th>' + enumDepcode.map((d, i) => '<th style="text-align: center;">' + d + '<br>' + enumDepname[i]).join('');
tot = [];
enumDepcode.forEach((_, j) => { tot[j] = 0; });
tableContent = pivot.map((row, i) => {
let cont = row.map((cell, j) => {
if (cell != '')
tot[j] += cell;
return '<td>' + cell;
}).join('');
return `<tr class="row" data-client="${enumClient[i]}">${cont}`;
}).join('');
tableFoot = `<tr class="row info" data-client="Total">` + tot.map(x => `<td>${x}`).join('');
let grand_tot = tot.reduce((pv, v) => pv + v, 0);
html = `<!DOCTYPE html>
<html>
<head><link rel="stylesheet" href="/static/css/bootstrap.min.css">
<title>票種分佈表</title>
<meta http-equiv="refresh" content="20">
<style>
.row:before { content: attr(data-client); display: block; position: absolute; left: .2em; line-height: 1.42857; padding: 8px; }
</style>
<body style="font-size: 24px; margin-top: 2em;">
<div class="container">
<table class="table table-striped table-hover" style="text-align: center;">
<tfoot>${tableFoot}
<thead>${tableHead}
<tbody>${tableContent}</table>Grand total: ${grand_tot}</div>`;
resp.send(html);
});
})
app.listen(9487, () => {
console.log('Running at port 9487...');
});
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