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70 lines
1.9 KiB
70 lines
1.9 KiB
const prettyBytes = require('pretty-bytes');
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const moment = require('moment');
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const querystring = require('querystring');
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function humanTimeAgo(utcDate) {
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const diff = moment.utc().diff(moment.utc(utcDate));
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const uptime = {};
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uptime.s = Math.round(diff / 1000);
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uptime.m = Math.floor(uptime.s / 60);
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uptime.h = Math.floor(uptime.m / 60);
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uptime.d = Math.floor(uptime.h / 24);
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uptime.s %= 60;
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uptime.m %= 60;
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uptime.h %= 24;
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let readableUptime = '';
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readableUptime += uptime.d ? ` ${uptime.d}d` : '';
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readableUptime += uptime.h ? ` ${uptime.h}h` : '';
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readableUptime += !uptime.d || !uptime.h && uptime.m ? ` ${uptime.m}m` : '';
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return readableUptime.trim();
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}
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const filters = {
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bandwidth: node => `${prettyBytes(node.advertised_bandwidth)}/s`,
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uptime: node => {
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// Check node is up
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if(!node.running) {
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return 'Down';
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}
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// Check uptime
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return humanTimeAgo(node.last_restarted);
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},
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pagination: (req, direction) => {
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// Clone query string
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const query = Object.assign({}, req.query);
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// Set page as 1 by default
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query.p = query.p ? query.p : 1;
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// Update page
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if(direction == 'next') {
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query.p++;
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} else if(direction == 'prev') {
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query.p--;
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}
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// Don't add p var if it's page 1
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query.p == 1 && delete query.p
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// Encode query string
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const queryString = querystring.encode(query);
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return queryString ? `/?${queryString}` : '/';
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},
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name: node => node.nickname
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|| node.fingerprint && node.fingerprint.slice(0, 8)
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|| node.hashed_fingerprint && node.hashed_fingerprint.slice(0, 8),
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status: node => node.running ?
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`Up for ${humanTimeAgo(node.last_restarted)}` :
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`Down for ${humanTimeAgo(node.last_seen)}`
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};
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module.exports = app => Object.keys(filters).forEach(filter => {
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app.settings.nunjucksEnv.addFilter(filter, filters[filter])
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});
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