Github Stats

Display download stats about the last release of Github projects.

Versione datata 08/11/2016. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==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>&nbsp;&nbsp;<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();
}