Better Tripadvisor: Precise ratings, website link, phone, google search (click Raw to install with e.g. Tampermonkey)

userscript-tripadvisor-precise-note.user.js

// ==UserScript==
// @name        Better Tripadvisor: Precise ratings, website link, phone, google search
// @description Display the exact Tripadvisor note after the "bubbles"
// @namespace   KrisWebDev
// @author			KrisWebDev
// @include     http://www.tripadvisor.tld/*
// @include     https://www.tripadvisor.tld/*
// @version			1.5
// @grant       GM_xmlhttpRequest
// @require			http://code.jquery.com/jquery-2.1.4.min.js
// ==/UserScript==

this.$ = this.jQuery = jQuery.noConflict(true);

/* PRECISE RATINGS */

var coeff = 5;
var result = 0;
var sumReviews = 0;
var percentReviews = 0;

$(".reviews .row_count").each(function(index, val) {
  //console.log($(this).text());
  percentReviews = parseInt($(this).text().replace(/\s+/g, ''));
  result += percentReviews*coeff--;
  sumReviews +=  percentReviews;
});

if (sumReviews) {
  result = (Math.round(result/sumReviews*10))/10;
  $(".reviews .overallRating").text(result+" ");
}

/* HELPER FUNCTIONS */

function getHTTP(queryURL, handlerPassArg, handler) {
	var http;
	GM_xmlhttpRequest({
		method: "GET",
		url: queryURL,
		timeout: 15000,
        headers:    {
        Referer:  document.URL
        },
		onreadystatechange: function(http) {
			if (http.readyState == 4) {
				if(http.status == 200) {
					handler(http.responseText, handlerPassArg, queryURL);
				}
				http = null;
			}

		}
	});
}

/* WEBSITE LINK, PHONE */

function appendGeneralInfo(response, jContainer, queryurl) {
    var websiteURL = null;
    var phoneNum = null;
    var genInfoHTML = "";

    if(phoneNum=response.match(/data-attr="phone"\s*value="([0-9 \+\(\)]+)"/))
        genInfoHTML+='<div class="blEntry phone"><a class="ui_link" href="tel:'+phoneNum[1].replace(/ /g, '')+'" data-column="1"><span class="ui_icon phone"></span><span class="is-hidden-mobile detail">'+phoneNum[1]+'</span></a></div>';

    if(websiteURL=response.match(/data-attr="website"\s*value="(https?:\/\/[^"]+)"/))
        genInfoHTML+='<div class="is-hidden-mobile blEntry website ui_link " data-column="2" data-trackingkey=""><span class="ui_icon laptop detail"></span><a href="'+websiteURL[1].replace(/[\\\"'\x00-\x1F\x7F-\x9F]/g, '')+'" target="_blank"><span class="detail" style="color:#006699">Website</span></a></div>';

    if (genInfoHTML)
        jContainer.append(genInfoHTML);
}

/* GOOGLE SEARCH LINK */

var jBlRow=$("div.headerBL > .blRow");
if (jBlRow.length) {

    var jHeader=$("h1#HEADING");
    if(jHeader.length) {
        var googleSearchHTML = "";
        googleSearchHTML+='<div class="is-hidden-mobile blEntry website ui_link " data-column="2" data-trackingkey=""><span class="ui_icon laptop detail"></span><a href="https://www.google.com/search?ie=utf-8&q='+encodeURIComponent(jHeader.text())+'" target="_blank"><span class="detail" style="color:#006699">Google</span></a></div>';
        jBlRow.append(googleSearchHTML);
    }

    var jUpdateListingAnchor=$("a[href^='/UpdateListing-']");
    if (jUpdateListingAnchor.length)
        getHTTP(jUpdateListingAnchor[0].href, jBlRow, appendGeneralInfo);

}