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Analytics.

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This commit is contained in:
Thaddee Tyl 2014-02-11 14:56:59 +01:00
parent 8f84eef93f
commit d19a4ad24d
1 changed files with 37 additions and 0 deletions
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37
server.js
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@ -7,6 +7,40 @@ var badge = require('./badge.js');
var svg2img = require('./svg-to-img.js');
var serverStartTime = new Date((new Date()).toGMTString());
// Analytics
var lastDay = (new Date()).getDate();
function resetMonthlyAnalytics(monthlyAnalytics) {
for (var i = 0; i < monthlyAnalytics.length; i++) {
monthlyAnalytics[i] = 0;
}
}
function incrMonthlyAnalytics(monthlyAnalytics) {
var currentDay = (new Date()).getDate();
// If we changed month, reset empty months.
if (currentDay !== lastDay) {
// Assumption: at least a hit a month.
var afterLastDay = (lastDay+1) % monthlyAnalytics.length;
while (afterLastDay !== (currentDay+1)%monthlyAnalytics.length) {
monthlyAnalytics[afterLastDay] = 0;
afterLastDay = (afterLastDay+1) % monthlyAnalytics.length;
}
lastDay = currentDay;
}
monthlyAnalytics[currentDay]++;
}
// In case something happens on the 36th.
var vendorMonthlyAnalytics = new Array(36);
var rawMonthlyAnalytics = new Array(36);
resetMonthlyAnalytics(vendorMonthlyAnalytics);
resetMonthlyAnalytics(rawMonthlyAnalytics);
camp.ajax.on('analytics/v1', function(json, end) {
end({ vendorMonthly: vendorMonthlyAnalytics,
rawMonthly: rawMonthlyAnalytics });
});
// Cache
var cacheTimeout = 60000; // 1 minute.
@ -16,6 +50,7 @@ function cache(f) {
return function getRequest(data, match, end, ask) {
// Cache management - no cache, so it won't be cached by GitHub's CDN.
ask.res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
incrMonthlyAnalytics(vendorMonthlyAnalytics);
var cacheIndex = match[0] + '?label=' + data.label;
// Should we return the data right away?
@ -561,6 +596,8 @@ function(data, match, end, ask) {
var color = escapeFormat(match[6]);
var format = match[8];
incrMonthlyAnalytics(rawMonthlyAnalytics);
// Cache management - the badge is constant.
var cacheDuration = (3600*24*1)|0; // 1 day.
ask.res.setHeader('Cache-Control', 'public, max-age=' + cacheDuration);