Display download stats about the last release of Github projects.
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// ==UserScript==
// @name Github Stats
// @namespace stratehm.github
// @include https://github.com/*/*
// @version 7
// @grant GM_xmlhttpRequest
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_deleteValue
// @require http://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js
// @require https://greatest.deepsurf.us/scripts/2199-waitforkeyelements/code/waitForKeyElements.js
// @description Display download stats about the last release of Github projects.
// ==/UserScript==
var lastReleaseItemList;
var cachedResponse;
this.$ = this.jQuery = jQuery.noConflict(true);
waitForKeyElements('.repohead-details-container', function () {
init();
});
function init() {
$('#ulLastReleaseItems').remove();
lastReleaseItemList = $('<ul id="ulLastReleaseItems"/>').attr({
style: 'font-size: 11px; line-height: 10px; white-space: nowrap;'
}).append('<b>Last release: </b>');
$('div.repohead-details-container').find('h1').append(lastReleaseItemList);
var userProject = getCurrentUserProjectUrlPart();
if(userProject) {
getDownloadCount(userProject);
}
if(window.location.pathname.indexOf("/settings/tokens") >= 0) {
$('.column.three-fourths').append('<div class="boxed-group access-token-group" id="GM_Form"><h3>Set your Gihtub login credentials for the GreaseMonkey userscript</h3><div class="boxed-group-inner"><p>Your login credentials will be used by the userscript to show the number of downloads for repositories.</p><ul class="boxed-group-list"><li style="line-height:32px;"><p>Username: <input type="text" id="clientId" style="float:right;width:480px;" /></p><p style="line-height:32px;">Password: <input type="password" id="clientSecret" style="float:right;width:480px;"/></p></li><li><button id="GM_submit" type="submit" type="button" class="btn btn-primary">Save</button> <button id="GM_reset" type="submit" type="button" class="btn btn-danger">Clear</button></li></ul><p class="help"><i class="octicon octicon-question"></i>Without your login credentials, you are rate limited to <a href="https://developer.github.com/v3/#rate-limiting">60 api calls per hour</a>.</p></div></div>');
$('#clientId').val(GM_getValue('clientId',''));
$('#clientSecret').val(GM_getValue('clientSecret',''));
$('#GM_submit').click(function() {
GM_setValue("clientId",$('#clientId').val());
GM_setValue("clientSecret",$('#clientSecret').val());
console.log({clientId:GM_getValue("clientId"),clientSecret:GM_getValue("clientSecret")});
$('#GM_submit').fadeTo(1000,0.01).fadeTo(1000,1);
gotoSourceUrl();
});
$('#GM_done').fadeIn(1000).fadeOut(1000);
$('#GM_reset').click(function(){
$('#clientId').val('');
$('#clientSecret').val('');
GM_deleteValue("clientId");
GM_deleteValue("clientSecret");
$('#GM_reset').fadeTo(1000,0.01).fadeTo(1000,1);
gotoSourceUrl();
});
} else {
saveSourceUrl();
}
}
function getCurrentUserProjectUrlPart() {
var splittedPath = window.location.pathname.split('/');
if(splittedPath.length >= 3) {
return splittedPath[1] + '/' + splittedPath[2];
}
}
function getDownloadCount(userProjectUserPart) {
if(cachedResponse) {
// Use the cached response if it exists.
parseDownloadStatsResponse(cachedResponse);
} else {
var url = "https://api.github.com/repos/" + userProjectUserPart + "/releases";
var headers = {
"Cache-Control": "no-cache"
}
if(isTokenSet()) {
headers.Authorization = "Basic " + btoa(GM_getValue("clientId")+":"+GM_getValue("clientSecret"));
}
GM_xmlhttpRequest({
method: "GET",
headers: headers,
url: url,
onload: onDownloadStatsResponse
});
}
}
function onDownloadStatsResponse(response) {
// Cache the response.
cachedResponse = response;
parseDownloadStatsResponse(response);
}
function parseDownloadStatsResponse(response) {
var status = response.status;
var data = $.parseJSON(response.responseText);
// Check if login credentials are accepted
if(status == 401) {
onUnauthorized();
} else if(data.message && data.message.indexOf("API rate limit exceeded") >-1) {
// Credentials are requested
accessTokenNeeded();
} else {
// Parsing of the response only if some data are present.
if(data && data.length > 0) {
parseLastReleaseDownloadCount(data);
parseTotalDownloadCount(data);
} else {
lastReleaseItemList.append("No release<br>");
}
if(isTokenSet()) {
lastReleaseItemList.append("Change/Clear your <a href='https://github.com/settings/tokens'>Gihtub login credentials</a>");
}
}
}
function parseLastReleaseDownloadCount(data) {
var releaseName = data[0].name;
var releaseDate = data[0].published_at;
var htmlUrl = data[0].html_url;
lastReleaseItemList.append($('<a/>').attr({
href: htmlUrl,
title: formatDate(releaseDate)
}).append(releaseName));
if(data[0].assets && data[0].assets.length > 0) {
for(var i = 0 ; i < data[0].assets.length ; i++) {
var assetName = data[0].assets[i].name;
var assetDlCount = data[0].assets[i].download_count;
var assetUrl = data[0].assets[i].browser_download_url;
appendAssetDlItem(assetName, assetDlCount, assetUrl);
}
} else {
lastReleaseItemList.append("<br>No binaries in the last release<br>");
}
}
function parseTotalDownloadCount(data) {
var totalDownloadCount = 0;
for(var i = 0 ; i < data.length ; i++) {
if(data[i].assets && data[i].assets.length > 0) {
for(var j = 0 ; j < data[i].assets.length ; j++) {
totalDownloadCount += data[i].assets[j].download_count;
}
}
}
lastReleaseItemList.append("All releases download count: " + totalDownloadCount + "<br>");
}
function appendAssetDlItem(assetName, assetDlCount, assetUrl) {
lastReleaseItemList.append($('<li/>').attr({
style: "margin-left: 20px;"
}).append("<b>Name:</b> <a href='" + assetUrl + "'>" + assetName + '</a>, <b>Dl Count:</b> ' + assetDlCount));
}
function accessTokenNeeded() {
lastReleaseItemList.append($('<li/>').attr({
style: "margin-left: 20px;"
}).append("Your api limit has been hit. Please add a <a href='https://github.com/settings/tokens'>Gihtub login credentials</a>"));
}
function onUnauthorized() {
lastReleaseItemList.append($('<li/>').attr({
style: "margin-left: 20px;"
}).append("Bad credentials. Please check your <a href='https://github.com/settings/tokens'>Gihtub login credentials</a>"));
}
function isTokenSet() {
return GM_getValue("clientId","") && GM_getValue("clientSecret","");
}
function saveSourceUrl() {
GM_setValue("sourceUrl", window.location.href);
}
function gotoSourceUrl() {
var sourceUrl = GM_getValue("sourceUrl", "");
console.log("Restore location: " + sourceUrl);
if(sourceUrl) {
window.location.href = sourceUrl;
}
}
function formatDate(dateToFormat) {
var dateSeconds = Date.parse(dateToFormat);
// build a date object with the (timezone-agnostic) timepoint
var date = new Date(dateSeconds);
// format the date according to locale's rules
return date.toLocaleString();
}