// ==UserScript==
// @name        Netflix Ratings
// @namespace   lecapitan
// @description View various website ratings while in netflix
// @include     https://*.netflix.com/*
// @version     2.0.0.0
// @grant       GM_xmlhttpRequest
// @grant       GM_getValue
// @grant       GM_setValue
// ==/UserScript==
document.netflixRatingsObject =
{
debug: true,
typeRottenTomatoes: 'RottenTomatoes',
classLoading: 'nr-loading',
classLoaded: 'nr-loaded',
load: function()
{
try {
var mdpOverview = document.getElementById("mdp-overview");
if (mdpOverview)
{
var title = this.getNetflixTitle(mdpOverview);
var year = this.getNetflixYear(mdpOverview);
if (title) {
var dataElement = this.createRatingContainerElement("nrRottenTomatoesContainer", "Rotten Tomatoes");
if (!this.hasClass(dataElement, this.classLoading) && !this.hasClass(dataElement, this.classLoaded))
{
this.getRatings(this.typeRottenTomatoes, title, year, dataElement);
}
}
/*// Get IMDb ratings
dataElement = this.createRatingContainerElement("nrIMDbContainer", "IMDb");
if (titleElement && dataElement)
{
// Load ratings
if (!this.hasClass(dataElement, "nr-loading") && !this.hasClass(dataElement, "nr-loaded"))
{
// Start the search
this.getRatings("IMDb", this.getTitle(titleElement), this.getYear(mdpOverview), dataElement);
}
}
// Get metacritic ratings
dataElement = this.createRatingContainerElement("nrmetacriticContainer", "metacritic");
if (titleElement && dataElement)
{
// Load ratings
if (!this.hasClass(dataElement, "nr-loading") && !this.hasClass(dataElement, "nr-loaded"))
{
// Start the search
this.getRatings("metacritic", this.getTitle(titleElement), this.getYear(mdpOverview), dataElement);
}
}*/
}
}
catch (error) {
console.log(error);
}
},
getNetflixTitle: function(element) {
var titleElements = element.getElementsByClassName("title");
if (titleElements && titleElements.length > 0) {
return titleElements[0].innerHTML;
}
if (this.debug) console.log("debug: could not find the movie title from the netflix page");
return null;
},
getNetflixYear: function(element) {
var yearElements = element.getElementsByClassName("year");
if (yearElements && yearElements.length > 0)
{
return yearElements[0].innerHTML;
}
if (this.debug) console.log("debug: could not find the movie year from the netflix page");
return null;
},
createRatingContainerElement: function(id, website) {
try {
var pageElement = document.getElementById("mdp-subdata-container");
if (!pageElement) {
console.log("error: could not find the container element on the page. maybe the page structure has changed. please contact the creator.");
}
var containerDiv = document.createElement("div");
containerDiv.className = "nr-ratings-container";
var descriptionElement = document.createElement("span");
descriptionElement.innerHTML = website + ": ";
var linkElement = document.createElement("a");
linkElement.id = id;
containerDiv.appendChild(descriptionElement);
containerDiv.appendChild(linkElement);
this.insertAfter(pageElement, containerDiv);
return linkElement;
}
catch (error) {
console.log(error);
}
},
getRatings: function(type, title, year, dataElement) {
dataElement.innerHTML = '...';
this.addClass(dataElement, this.classLoading);
if (type == this.typeRottenTomatoes) {
this.fetchRating(type, this.getRottenTomato###rl(title), title, year, dataElement);
}
else if (type == 'IMDb') {
this.fetchRating(type, this.getIMDbUrl(title), title, year, dataElement);
}
else if (type == 'metacritic') {
this.fetchRating(type, this.getmetacriticUrl(title), title, year, dataElement);
}
},
getRottenTomato###rl: function(title) {
return "http://www.rottentomatoes.com/search/?search=" + this.encodeTitle(title);
},
getIMDbUrl: function(title) {
return "http://www.imdb.com/find?q=" + this.encodeTitle(title).replace(/&/g, "%26") + "&s=all";
},
getmetacriticUrl: function(title) {
return "http://www.metacritic.com/search/movie/" + this.encodeTitle(title) + "/r###lts";
},
encodeTitle: function(title) {
return title.replace(/-/g, " ").replace(/ /g, "+");
},
fetchRating: function(type, url, title, year, dataElement) {
// Set the link
dataElement.href = url;
// Check for a cached rating
var cachedRating = this.getCachedRating(type, title);
if (cachedRating) {
dataElement.innerHTML = cachedRating[0];
dataElement.href = cachedRating[1];
this.addClass(dataElement, this.classLoaded);
return;
}
// Make a cross-domain request for this url
if (type == this.typeRottenTomatoes) {
GM_xmlhttpRequest({
method: 'get',
url: url,
onload: function(response) {
document.netflixRatingsObject.parseRottenTomatoesResponse(response.responseText, url, title, year, dataElement);
},
onerror: function(response) {
console.log('failed to get a response from rotten tomatoes for ' + url);
}
});
}
else if (type == "IMDb")
{
GM_xmlhttpRequest({
method: "GET",
url: url,
onload: function(responseDetails)
{
var responseDoc = document.netflixRatingsObject.getDom(responseDetails.responseText);
document.netflixRatingsObject.parseIMDbResponse(responseDoc, title, year, dataElement);
},
onerror: function(responseDetails)
{
console.log('failed to get a response from imdb for ' + url);
}
});
}
else if (type == "metacritic")
{
GM_xmlhttpRequest({
method: "GET",
url: url,
onload: function(responseDetails)
{
var responseDoc = document.netflixRatingsObject.getDom(responseDetails.responseText);
document.netflixRatingsObject.parsemetacriticResponse(responseDoc, title, year, dataElement);
},
onerror: function(responseDetails)
{
console.log("failure");
}
});
}
},
// -----------------------------------
// Caching functions
// -----------------------------------
getCachedRating: function(type, title) {
try {
var valueKey = type + "_" + this.encodeTitle(title);
var urlKey = valueKey + '_url';
var timeKey = valueKey + "_time";
var value = GM_getValue(valueKey);
if (!value) {
return null;
}
var url = GM_getValue(urlKey);
if (!url) {
return null;
}
var time = new Date(GM_getValue(timeKey));
if (!time) {
return null;
}
var now = new Date();
if (this.debug) console.log('time ' + time.toString() + ' < now ' + now.toString());
if (time < now) {
return null;
}
if (this.debug) console.log('found cached rating [' + valueKey + ', ' + time + ']: ' + value + ', ' + url);
return [value, url];
}
catch (error) {
console.log(error);
}
},
saveCachedRating: function(type, title, value, url) {
try {
var valueKey = type + '_' + this.encodeTitle(title);
var urlKey = valueKey + '_url';
var timeKey = valueKey + '_time';
GM_setValue(valueKey, value);
GM_setValue(urlKey, url);
var expireDate = new Date();
expireDate.setMinutes(expireDate.getMinutes() + 30);
if (this.debug) console.log('caching ' + valueKey + ' until ' + expireDate.toString());
GM_setValue(timeKey, expireDate);
}
catch (error) {
console.log(error);
}
},
// -----------------------------------
// Parsing functions
// -----------------------------------
parseRottenTomatoesResponse: function(responseText, url, title, year, dataElement) {
try {
// Check for no r###lts
if (responseText.match(/Sorry, no r###lts found for/))
{
dataElement.innerHTML = "no r###lts";
this.addClass(dataElement, this.classLoaded);
this.saveCachedRating(this.typeRottenTomatoes, title, text, url);
return;
}
// Check for multiple r###lts
var regex = /{.*"movies":(\[.*\]),"tvCount".*}/;
var match = regex.exec(responseText);
if (match) {
if (this.debug) console.log('debug: matched multiple r###lts regex\r\nmatch: ' + match[0] + '\r\ncapture: ' + match[1]);
var movieItems = JSON.parse(match[1]);
if (movieItems.length > 0) {
// Look for a full match
for (var i = 0; i < movieItems.length; i++)
{
var parsedTitle = movieItems[i].name;
var parsedYear = movieItems[i].year;
var parsedUrl = "http://www.rottentomatoes.com" + movieItems[i].url;
// Check the title and year
if (parsedTitle.toLowerCase().replace(/[^a-z0-9]/g, "") == title.toLowerCase().replace(/[^a-z0-9]/g, "") && parsedYear == year)
{
document.netflixRatingsObject.fetchRating(this.typeRottenTomatoes, parsedUrl, title, year, dataElement);
return;
}
}
// Did not find a full match, check search r###lts for just a title match
for (var i = 0; i < movieItems.length; i++)
{
var parsedTitle = movieItems[i].name;
var parsedYear = movieItems[i].year;
var parsedUrl = "http://www.rottentomatoes.com" + movieItems[i].url;
// Similar title
if (parsedTitle.toLowerCase().replace(/[^a-z0-9]/g, "") == title.toLowerCase().replace(/[^a-z0-9]/g, ""))
{
document.netflixRatingsObject.fetchRating(this.typeRottenTomatoes, parsedUrl, title, year, dataElement);
return;
}
}
// Did not find a title match, check search r###lts for just a year match
for (var i = 0; i < movieItems.length; i++)
{
var parsedTitle = movieItems[i].name;
var parsedYear = movieItems[i].year;
var parsedUrl = "http://www.rottentomatoes.com" + movieItems[i].url;
// Same year
if (parsedYear == year)
{
document.netflixRatingsObject.fetchRating(this.typeRottenTomatoes, parsedUrl, title, year, dataElement);
return;
}
}
// Did not find any matches
dataElement.innerHTML = "..?";
// Set the loaded flag
this.addClass(dataElement, this.classLoaded);
}
return;
}
// Got a movie's page
var responseDoc = this.getDom(responseText);
var text = "";
// Set the element text, if we cannot parse critic or user ratings
dataElement.innerHTML = "..?";
// Set the loaded flag
this.addClass(dataElement, this.classLoaded);
// Get the critics rating
var criticsRating = responseDoc.getElementsByClassName("meter critic-score");
if (criticsRating && criticsRating.length > 0) {
var meterElement = criticsRating[0].getElementsByClassName("meter-value");
if (meterElement && meterElement.length > 0) {
text = meterElement[0].childNodes[0].innerHTML + "%";
}
}
// Get the users rating
var usersRating = responseDoc.getElementsByClassName('meter media');
if (usersRating && usersRating.length > 0) {
var meterElement = usersRating[0].getElementsByClassName("meter-value");
if (meterElement && meterElement.length > 0) {
text += " | " + meterElement[0].childNodes[1].innerHTML;
}
}
// Assign to element
dataElement.innerHTML = text;
// Save in cache
this.saveCachedRating(this.typeRottenTomatoes, title, text, url);
}
catch (error) {
console.log(error);
}
},
parseIMDbResponse: function(responseDoc, title, year, dataElement)
{
// Check for no r###lts - IMDb seems to always provide some r###lts...
if (responseDoc.getElementsByClassName("nor###lts").length > 0)
{
dataElement.innerHTML = "no r###lts";
// Set the loaded flag
dataElement.className = "nrIMDbMainData nrLoaded";
}
// Check for search r###lts list
else if (responseDoc.getElementsByClassName("findList").length > 0)
{
// Get all list items
var movieItems = responseDoc.getElementsByClassName("r###lt_text");
// Check search r###lts for a full match (title and year)
for (var i = 0; i < movieItems.length; i++)
{
var parsedTitle;
var parsedYear;
var newUrl;
// Get the title and url
var linkList = movieItems[i].getElementsByTagName("a");
for (var ii = 0; ii < linkList.length; ii++)
{
if (linkList[ii].href.indexOf("/title/") >= 0)
{
parsedTitle = linkList[ii].innerHTML;
newUrl = "http://www.imdb.com" + linkList[ii].href;
}
}
// Get the year
var yearMatch = movieItems[i].innerHTML.match(/\(([0-9]*)\)/);
if (yearMatch.length > 0)
{
parsedYear = yearMatch[1];
}
// Same title and year
if (parsedTitle.toLowerCase().replace(/[^a-z0-9]/g, "") == title.toLowerCase().replace(/[^a-z0-9]/g, "") && parsedYear == year)
{
document.netflixRatingsObject.fetchRating("IMDb", newUrl, title, year, dataElement);
return;
}
}
// Did not find a full match, check search r###lts for just a title match
for (var i = 0; i < movieItems.length; i++)
{
var parsedTitle;
var newUrl;
// Get the title and url
var linkList = movieItems[i].getElementsByTagName("a");
for (var ii = 0; ii < linkList.length; ii++)
{
if (linkList[ii].href.indexOf("/title/") >= 0)
{
parsedTitle = linkList[ii].innerHTML;
newUrl = "http://www.imdb.com" + linkList[ii].href;
}
}
// Same title
if (parsedTitle.toLowerCase().replace(/[^a-z0-9]/g, "") == title.toLowerCase().replace(/[^a-z0-9]/g, ""))
{
document.netflixRatingsObject.fetchRating("IMDb", newUrl, title, year, dataElement);
return;
}
}
// Did not find a title match, check search r###lts for just a year match
for (var i = 0; i < movieItems.length; i++)
{
var parsedYear;
var newUrl;
// Get the title and url
var linkList = movieItems[i].getElementsByTagName("a");
for (var ii = 0; ii < linkList.length; ii++)
{
if (linkList[ii].href.indexOf("/title/") >= 0)
{
newUrl = "http://www.imdb.com" + linkList[ii].href;
}
}
// Get the year
var yearMatch = movieItems[i].innerHTML.match(/\(([0-9]*)\)/);
if (yearMatch.length > 0)
{
parsedYear = yearMatch[1];
}
// Same year
if (parsedYear == year)
{
document.netflixRatingsObject.fetchRating("IMDb", newUrl, title, year, dataElement);
return;
}
}
// Did not find a match
dataElement.innerHTML = "..?";
// Set the loaded flag
dataElement.className = "nrIMDbMainData nrLoaded";
}
else
{
// Set the element text, if we cannot parse ratings
dataElement.innerHTML = "..?";
// Set the loaded flag
dataElement.className = "nrIMDbMainData nrLoaded";
// Get the IMDb rating
var elementList = responseDoc.getElementsByClassName("star-box-giga-star");
if (elementList.length >= 0)
{
dataElement.innerHTML = elementList[0].innerHTML;
}
}
},
parsemetacriticResponse: function(responseDoc, title, year, dataElement)
{
// Check for no r###lts - IMDb seems to always provide some r###lts...
if (responseDoc.getElementsByClassName("nor###lts").length > 0)
{
dataElement.innerHTML = "no r###lts";
// Set the loaded flag
dataElement.className = "nrmetacriticMainData nrLoaded";
}
// Check for search r###lts list
else if (responseDoc.getElementsByClassName("search_r###lts").length > 0)
{
// Get all list items
var movieItems = responseDoc.getElementsByClassName("r###lt");
// Check search r###lts for a full match (title and year)
for (var i = 0; i < movieItems.length; i++)
{
// Check the r###lt type
var r###ltTypeElements = movieItems[0].getElementsByClassName("r###lt_type");
if (r###ltTypeElements.length <= 0 || r###ltTypeElements[0].childNodes[1].innerHTML != "Movie")
{
continue; // Not a movie r###lt type
}
var parsedTitle;
var parsedYear;
var newUrl;
// Get the title and url
var linkList = movieItems[i].getElementsByTagName("a");
for (var ii = 0; ii < linkList.length; ii++)
{
if (linkList[ii].href.indexOf("/movie/") >= 0)
{
parsedTitle = linkList[ii].innerHTML;
newUrl = "http://www.metacritic.com" + linkList[ii].href;
}
}
// Get the year
var releaseDateElements = movieItems[i].getElementsByClassName("release_date");
if (releaseDateElements.length > 0)
{
var yearMatches = releaseDateElements[0].childNodes[3].innerHTML.match(/[A-Za-z0-9 ]*[,][ ]([0-9][0-9][0-9][0-9])/);
if (yearMatches)
{
parsedYear = yearMatches[1];
}
}
// Same title and year
if (parsedTitle.toLowerCase().replace(/[^a-z0-9]/g, "") == title.toLowerCase().replace(/[^a-z0-9]/g, "") && parsedYear == year)
{
document.netflixRatingsObject.fetchRating("metacritic", newUrl, title, year, dataElement);
return;
}
}
// Did not find a full match, check search r###lts for just a title match
for (var i = 0; i < movieItems.length; i++)
{
// Check the r###lt type
var r###ltTypeElements = movieItems[0].getElementsByClassName("r###lt_type");
if (r###ltTypeElements.length <= 0 || r###ltTypeElements[0].childNodes[1].innerHTML != "Movie")
{
continue; // Not a movie r###lt type
}
var parsedTitle;
var newUrl;
// Get the title and url
var linkList = movieItems[i].getElementsByTagName("a");
for (var ii = 0; ii < linkList.length; ii++)
{
if (linkList[ii].href.indexOf("/movie/") >= 0)
{
parsedTitle = linkList[ii].innerHTML;
newUrl = "http://www.metacritic.com" + linkList[ii].href;
}
}
// Same title
if (parsedTitle.toLowerCase().replace(/[^a-z0-9]/g, "") == title.toLowerCase().replace(/[^a-z0-9]/g, ""))
{
document.netflixRatingsObject.fetchRating("metacritic", newUrl, title, year, dataElement);
return;
}
}
// Did not find a title match, check search r###lts for just a year match
for (var i = 0; i < movieItems.length; i++)
{
// Check the r###lt type
var r###ltTypeElements = movieItems[0].getElementsByClassName("r###lt_type");
if (r###ltTypeElements.length <= 0 || r###ltTypeElements[0].childNodes[1].innerHTML != "Movie")
{
continue; // Not a movie r###lt type
}
var parsedYear;
var newUrl;
// Get the title and url
var linkList = movieItems[i].getElementsByTagName("a");
for (var ii = 0; ii < linkList.length; ii++)
{
if (linkList[ii].href.indexOf("/movie/") >= 0)
{
newUrl = "http://www.metacritic.com" + linkList[ii].href;
}
}
// Get the year
var releaseDateElements = movieItems[i].getElementsByClassName("release_date");
if (releaseDateElements.length > 0)
{
var yearMatches = releaseDateElements[0].childNodes[3].innerHTML.match(/[A-Za-z0-9 ]*[,][ ]([0-9][0-9][0-9][0-9])/);
if (yearMatches)
{
parsedYear = yearMatches[1];
}
}
// Same title and year
if (parsedYear == year)
{
document.netflixRatingsObject.fetchRating("metacritic", newUrl, title, year, dataElement);
return;
}
}
// Did not find a match
dataElement.innerHTML = "..?";
// Set the loaded flag
dataElement.className = "nrmetacriticMainData nrLoaded";
}
else
{
// Set the element text, if we cannot parse ratings
dataElement.innerHTML = "..?";
// Set the loaded flag
dataElement.className = "nrmetacriticMainData nrLoaded";
// Get the metacritic rating
var criticsRating, usersRating;
var elementList = responseDoc.getElementsByClassName("score_value");
if (elementList.length >= 0)
{
for (var i = 0; i < elementList.length; i++)
{
if (elementList[i].parentNode.tagName.toLowerCase() == "a" && elementList[i].parentNode.href.indexOf("critic-reviews") >= 0)
{
criticsRating =  elementList[i].innerHTML;
}
if (elementList[i].parentNode.tagName.toLowerCase() == "a" && elementList[i].parentNode.href.indexOf("user-reviews") >= 0)
{
usersRating = elementList[i].innerHTML;
}
}
if (criticsRating)
{
dataElement.innerHTML = criticsRating;
}
if (usersRating)
{
dataElement.innerHTML += " | " + usersRating;
}
}
}
},
// -----------------------------------
// Helper functions
// -----------------------------------
hasClass: function(element, cls) {
return (' ' + element.className + ' ').indexOf(' ' + cls + ' ') > -1;
},
addClass: function(element, cls) {
if (!this.hasClass(element, cls)) {
element.className += ' ' + cls;
}
},
insertAfter: function(referenceNode, newNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
},
getDom: function(responseText) {
var parser = new DOMParser();
return parser.parseFromString(responseText, 'text/html');
}
};
// Inject CSS
var styleElement = document.createElement('style');
styleElement.type = 'text/css';
styleElement.innerHTML =  '.nr-ratings-container { margin-top: 8px; color: #666666; }';
document.head.appendChild(styleElement);
// Load ratings
document.netflixRatingsObject.load();