Add Letterboxd link and rating to its corresponding Plex film's page
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// ==UserScript==
// @name Plex Letterboxd link and rating
// @namespace http://tampermonkey.net/
// @description Add Letterboxd link and rating to its corresponding Plex film's page
// @author CarnivalHipster
// @match https://app.plex.tv/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=letterboxd.com
// @license MIT
// @grant GM_xmlhttpRequest
// @connect letterboxd.com
// @version 2.7.1
// ==/UserScript==
//Edge cases:
//Vietnam: A Television History is a tv show logged as movie in Tmdb so doesn't get an icon
//Films that have both same year and name and one of them has no directors like Cargo 2006 and Cargo 2006 by Clive Gordon
//Directors that are very unknown don't get the icon, don't know why
//Also Clive Gordon's director's page makes the script stop after getting the title for unknown reasons
//The Shining has a bug on letterboxd where the-shining-1980 links to the-shining-1997
//I did a fall back to remove the year from the url for a last try for stupid cases like The Shining, which may cause problems elsewhere, but probably not.
//Letterboxd api will make all this obsolete so its not really worth the time.
(function() {
'use strict';
//const letterboxdImg = 'data:image/png;base64,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';
const letterboxdImg = 'https://www.google.com/s2/favicons?sz=64&domain=letterboxd.com';
const globalParser = new DOMParser();
var lastTitle = undefined;
var lastYear = undefined;
var lastDirector = undefined;
function extractTitleAndYear() {
const titleElement = document.querySelector('h1[data-testid="metadata-title"]');
const yearElement = document.querySelector('span[data-testid="metadata-line1"]');
if (titleElement) {
const title = titleElement.textContent.trim() || titleElement.innerText.trim();
if (title !== lastTitle) {
lastTitle = title;
console.log('The title is:', lastTitle);
}
} else {
lastTitle = ''; // Reset if no title is found
}
if (yearElement) {
const text = yearElement.textContent.trim() || yearElement.innerText.trim();
const match = text.match(/\b\d{4}\b/);
if (match && match[0] !== lastYear) {
lastYear = match[0];
console.log('The year is:', lastYear);
}
} else {
lastYear = ''; // Reset if no year is found
}
}
function extractDirectorFromPage() {
const directedByText = 'Directed by';
const spans = Array.from(document.querySelectorAll('span'));
const directorSpan = spans.find(span => span.textContent.includes(directedByText));
if (directorSpan) {
const directorLink = directorSpan.parentElement.querySelector('a');
if (directorLink) {
const directorName = directorLink.textContent.trim();
if (directorName && directorName !== lastDirector) {
lastDirector = directorName;
console.log('Director in Plex: ', lastDirector);
}
}
} else {
if (lastDirector !== undefined) {
lastDirector = undefined;
console.log('The director has been reset.');
}
}
}
function checkLink(url) {
return new Promise((resolve, reject) => {
GM.xmlHttpRequest({
method: 'HEAD',
url: url,
onload: function(response) {
if (response.status >= 200 && response.status < 300) {
resolve({url: url, status: response.status, accessible: true});
} else {
resolve({url: url, status: response.status, accessible: false});
}
},
onerror: function() {
reject(new Error(url + ' could not be reached or is blocked by CORS policy.'));
}
});
});
}
function updateOrCreateLetterboxdIcon(link, rating) {
let metadataElement = document.querySelector('div[data-testid="metadata-ratings"]');
if (!metadataElement) {
metadataElement = document.querySelector('div[data-testid="metadata-children"]');
}
const existingContainer = document.querySelector('.letterboxd-container');
if (existingContainer) {
existingContainer.querySelector('a').href = link;
const ratingElement = existingContainer.querySelector('.letterboxd-rating');
if (ratingElement) {
ratingElement.textContent = rating;
}
} else if (metadataElement) {
const container = document.createElement('div');
container.classList.add('letterboxd-container');
container.style.cssText = 'display: flex; align-items: center; gap: 8px;';
const icon = document.createElement('img');
icon.src = letterboxdImg;
icon.alt = 'Letterboxd Icon';
icon.style.cssText = 'width: 24px; height: 24px; cursor: pointer;';
const ratingText = document.createElement('span');
ratingText.classList.add('letterboxd-rating');
ratingText.textContent = rating;
ratingText.style.cssText = 'font-size: 14px;'; // Style as needed
const linkElement = document.createElement('a');
linkElement.href = link;
linkElement.appendChild(icon);
container.appendChild(linkElement);
container.appendChild(ratingText);
metadataElement.insertAdjacentElement('afterend', container);
}
}
function buildDefaultLetterboxdUrl(title, year) {
const normalizedTitle = title.normalize("NFD").replace(/[\u0300-\u036f]/g, "");
const titleSlug = normalizedTitle.trim().toLowerCase()
.replace(/&/g, 'and')
.replace(/-/g, ' ')
.replace(/[^\w\s]/g, '')
.replace(/\s+/g, '-');
const letterboxdBaseUrl = 'https://letterboxd.com/film/';
return `${letterboxdBaseUrl}${titleSlug}-${year}/`;
}
function removeYearFromUrl(url) {
const yearPattern = /-\d{4}(?=\/$)/;
return url.replace(yearPattern, '');
}
function replaceFilmWithDirector(url) {
return url.replace('film','director');
}
function buildLetterboxdUrl(title, year) {
let defaultUrl = buildDefaultLetterboxdUrl(title, year);
return checkLink(defaultUrl).then(result => {
if (result.accessible) {
console.log(result.url, 'is accessible, status:', result.status);
return result.url;
} else {
console.log(result.url, 'is not accessible, status:', result.status);
let yearRemovedUrl = removeYearFromUrl(result.url);
console.log('Trying URL without year:', yearRemovedUrl);
return checkLink(yearRemovedUrl).then(yearRemovedResult => {
if (yearRemovedResult.accessible) {
console.log(yearRemovedUrl, 'is accessible, status:', yearRemovedResult.status);
return yearRemovedUrl;
} else {
console.log(yearRemovedUrl, 'is not accessible, status:', yearRemovedResult.status);
let directorUrl = replaceFilmWithDirector(yearRemovedUrl);
console.log('Trying director URL:', directorUrl);
return checkLink(directorUrl).then(result =>{
if (result.accessible){
return directorUrl;
}else{
console.log(result.url, 'is not accessible, status:', result.status);
}
});
}
});
}
}).catch(error => {
console.error('Error after checking both film and year:', error.message);
let newUrl = removeYearFromUrl(defaultUrl);
return newUrl;
});
}
function fetchLetterboxdPage(url) {
return new Promise((resolve, reject) => {
GM.xmlHttpRequest({
method: 'GET',
url: url,
onload: function(response) {
if (response.status >= 200 && response.status < 300) {
resolve(response.responseText);
} else {
reject(new Error('Failed to load Letterboxd page'));
}
},
onerror: function() {
reject(new Error('Network error while fetching Letterboxd page'));
}
});
});
}
function roundToOneDecimal(numberString) {
const number = parseFloat(numberString);
return isNaN(number) ? null : (Math.round(number * 10) / 10).toFixed(1);
}
function extractRating(doc) {
const ratingElement = doc.querySelector('meta[name="twitter:data2"]');
if (ratingElement && ratingElement.content) {
const match = ratingElement.getAttribute('content').match(/\b\d+\.\d{1,2}\b/);
if (match) {
return roundToOneDecimal(match[0]);
}
} else {
console.log('Rating element not found.');
return null;
}
}
function extractYearFromMeta(doc) {
const metaTag = doc.querySelector('meta[property="og:title"]');
if (metaTag) {
const content = metaTag.getAttribute('content');
const yearMatch = content.match(/\b\d{4}\b/);
if (yearMatch) {
return yearMatch[0];
} else {
console.log('Year not found in the html');
return null;
}
} else {
console.log('Meta tag not found in the html');
return null;
}
}
function extractDirectorFromMeta(doc) {
const directorMetaTag = doc.querySelector('meta[name="twitter:data1"]');
return directorMetaTag ? directorMetaTag.content : null;
}
function subtractYearFromUrl(url, lastYear) {
const yearPattern = /-(\d{4})\/$/;
const match = url.match(yearPattern);
if (match) {
const year = parseInt(match[1], 10) - 1;
return url.replace(yearPattern, `-${year}/`);
} else {
const previousYear = parseInt(lastYear, 10) - 1;
return url.replace(/\/$/, `-${previousYear}/`);
}
}
async function processLetterboxdUrl(initialUrl) {
let url = initialUrl;
let shouldContinue = true;
const hasOneSeason = document.querySelector('[title*="Season 1"]');
while (shouldContinue) {
try {
const html = await fetchLetterboxdPage(url);
const doc = globalParser.parseFromString(html, "text/html");
if (hasOneSeason && !doc.querySelector('a[href*="themoviedb.org/tv/"]')) {
console.log(`Plex got a tv show but Letterboxd is on a movie or director page.`);
console.log(`Icon creation aborted.`);
break;
}
if (url.startsWith('https://letterboxd.com/director')) {
updateOrCreateLetterboxdIcon(url, 'Letterboxd');
break;
} else {
const yearInHtml = extractYearFromMeta(doc);
console.log('The year in the html is : ' + yearInHtml);
if (yearInHtml != lastYear) {
const directorInHtml = extractDirectorFromMeta(doc);
console.log('Director in Html: ' + directorInHtml);
if (!directorInHtml.includes(lastDirector)) {
if (lastYear != NaN) {
break;
}
let subtractedYearUrl = subtractYearFromUrl(url, lastYear);
console.log('Trying substracted year url: ' + subtractedYearUrl);
let result = await checkLink(subtractedYearUrl);
if (result.accessible) {
console.log(subtractedYearUrl, 'Url with substracted year is accessible, status:', result.status);
const newHtml = await fetchLetterboxdPage(subtractedYearUrl);
const newDoc = globalParser.parseFromString(newHtml, "text/html");
const newDirectorInHtml = extractDirectorFromMeta(newDoc);
if (newDirectorInHtml.includes(lastDirector)) {
url = subtractedYearUrl;
continue;
} else {
console.log(`Director in Plex [${lastDirector}] doesn't match director in html [${newDirectorInHtml}]`);
}
} else {
console.log('Url with substracted year is inaccessible');
}
// Fallback to URL without year
let urlWithoutYear = removeYearFromUrl(url);
result = await checkLink(urlWithoutYear);
if (result.accessible) {
console.log(result.url, 'is accessible, status:', result.status);
console.log('Going back to url without year as fallback');
url = urlWithoutYear; // Update URL to the one without year
continue; // Check again with the updated URL
} else {
console.log(result.url, 'is not accessible, status:', result.status);
console.log(`Icon creation aborted`);
break;
}
} else {
console.log('Movie has different year but same director and name, probably due to differing metadata. Icon created');
const rating = extractRating(doc);
updateOrCreateLetterboxdIcon(url, rating);
break;
}
} else {
const rating = extractRating(doc);
updateOrCreateLetterboxdIcon(url, rating);
break;
}
}
} catch (error) {
console.error('Error fetching or parsing Letterboxd page:', error);
break;
}
}
}
if(document.readyState === 'complete' || document.readyState === 'loaded' || document.readyState === 'interactive') {
main();
} else {
document.addEventListener('DOMContentLoaded', main);
}
function main() {
var lastProcessedTitle = undefined;
var lastProcessedYear = undefined;
var lastProcessedDirector = undefined;
function observerCallback(mutationsList, observer) {
const isAlbumPage = document.querySelector('[class^="AlbumDisc"]');
const isFullSeries = document.querySelector('[title*="Season 4"], [title*="Season 5"], [title*="Season 6"]');
if (isAlbumPage || isFullSeries) {
return;
}
extractTitleAndYear();
extractDirectorFromPage();
if (lastTitle !== lastProcessedTitle || lastYear !== lastProcessedYear || lastDirector !== lastProcessedDirector ) {
lastProcessedTitle = lastTitle;
lastProcessedYear = lastYear;
lastProcessedDirector = lastDirector;
if (lastTitle && lastYear ) {
buildLetterboxdUrl(lastTitle, lastYear).then(url => {
if (!url){
return;
}
processLetterboxdUrl(url, lastYear, lastDirector);
}).catch(error => {
console.error('Error building Letterboxd URL:', error);
});
}
}
}
const observer = new MutationObserver(observerCallback);
observer.observe(document.body, {
childList: true,
characterData: true,
subtree: true
});
}
})();