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// ==UserScript== |
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// @name LastFM automated duplicate scrobble deletion script |
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// @namespace https://gist.github.com/muhdiboy |
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// @version 1.5.0 |
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// @downloadURL https://gist.github.com/muhdiboy/a293cbff355af750e3b8f45ec816d1f1/raw/lastfm-automated-remove-duplicates.user.js |
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// @updateURL https://gist.github.com/muhdiboy/a293cbff355af750e3b8f45ec816d1f1/raw/lastfm-automated-remove-duplicates.user.js |
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// @description Based on https://gist.github.com/sk22/39cc280840f9d82df574c15d6eda6629#gistcomment-3046698, thanks to previous contributors (@CennoxX, @mattsson, @gms8994, @huw and @sk22) and new contributors (@Eiron). |
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// @author muhdiboy |
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// @match https://www.last.fm/*user/* |
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// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw== |
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// @grant none |
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// ==/UserScript== |
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(function() { |
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// Variables |
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let runScript = localStorage.getItem('runScript') === 'true'; |
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let rmOnlyRealDup = localStorage.getItem('rmOnlyRealDup') !== 'false'; // Set checkbox to checked/true as default |
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let numTracks = localStorage.getItem('numTracks') || "5"; |
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let stopAtPage = localStorage.getItem('stopAtPage') || "0"; |
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let currentPage = extractQueryParam('page', window.location.href) || 1; |
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// Update currentPage when a click event occurs on the page |
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window.addEventListener('click', function () { |
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currentPage = extractQueryParam('page', window.location.href) || 1; |
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}); |
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// Functions |
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let pageURLCheckInterval = setInterval (function () { |
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// Check the URL at regular intervals to add or remove buttons |
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if ( this.lastPathStr !== location.pathname || this.lastQueryStr !== location.search) { |
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this.lastPathStr = location.pathname; |
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this.lastQueryStr = location.search; |
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if (shouldMatchPage()) createButtons(); else removeButtons(); |
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} |
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}, 125); |
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function replaceQueryParam(param, newval, search) { |
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// Function to replace a query parameter in the URL |
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const regex = new RegExp("([?;&])" + param + "[^&;]*[;&]?"); |
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const query = search.replace(regex, "$1").replace(/&$/, ''); |
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return (query.length > 2 ? query + "&" : "?") + (newval ? param + "=" + newval : ''); |
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} |
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function extractQueryParam(name, url) { |
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// Function to extract a query parameter from the URL |
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if (!url) url = window.location.href; |
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name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]"); |
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const regexS = "[\\?&]" + name + "=([^&#]*)"; |
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const regex = new RegExp(regexS); |
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const results = regex.exec(url); |
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return results == null ? null : results[1]; |
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} |
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function shouldMatchPage() { |
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// Function to determine if the current page should be matched |
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const url = window.location.href; |
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const excludeUrlRegex = /^https:\/\/www\.last\.fm\/.*user\/.*\/library\/(albums|artists|tracks|music).*/; |
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const matchUrlRegex = /^https:\/\/www\.last\.fm\/.*user\/.*\/library.*/; |
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return matchUrlRegex.test(url) && !excludeUrlRegex.test(url); |
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} |
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function removeButtons() { |
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// Function to remove all buttons from the page |
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const cancelButton = document.getElementById('cancelButton'); |
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const buttonContainer = document.getElementById('buttonContainer'); |
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if (cancelButton) cancelButton.remove(); |
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if (buttonContainer) buttonContainer.remove(); |
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} |
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// Buttons |
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function createButtons() { |
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// Create the cancel button to stop the script |
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const cancelButton = document.createElement('button'); |
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cancelButton.id = 'cancelButton'; |
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cancelButton.innerHTML = 'Cancel<br>Script'; |
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cancelButton.style.position = 'fixed'; |
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cancelButton.style.bottom = '50%'; |
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cancelButton.style.left = '0'; |
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cancelButton.style.zIndex = '9999'; |
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cancelButton.style.fontFamily = 'monospace'; |
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cancelButton.style.padding = '3px'; |
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cancelButton.style.border = 'dashed'; |
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if (runScript) { |
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cancelButton.style.color = 'white'; |
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cancelButton.style.background = 'red'; |
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cancelButton.style.borderColor = 'firebrick'; |
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cancelButton.addEventListener('click', function() { |
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localStorage.setItem('runScript', 'false'); |
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localStorage.removeItem('savedUrl'); |
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location.reload(); |
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}); |
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} else { |
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cancelButton.style.color = 'gray'; |
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cancelButton.style.background = 'lightgray'; |
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cancelButton.style.borderColor = 'lightgray'; |
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cancelButton.style.cursor = 'default'; |
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} |
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document.body.appendChild(cancelButton); |
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if (!runScript) { |
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// Create the main button to trigger the script |
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const runButton = document.createElement('button'); |
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runButton.textContent = 'Remove Duplicates'; |
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runButton.style.position = 'relative'; |
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runButton.style.display = 'block'; |
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runButton.style.marginBottom = '5px'; |
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runButton.style.fontFamily = 'sans-serif'; |
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runButton.style.fontSize = 'initial'; |
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runButton.style.border = 'outset'; |
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runButton.style.borderColor = 'crimson'; |
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runButton.style.color = 'white'; |
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runButton.style.background = 'firebrick'; |
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runButton.style.padding = '5px'; |
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runButton.addEventListener('click', function () { |
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let stopLoop = false; |
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while (!stopLoop) { |
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const inputStopAtPage = prompt("Stop at which page?", stopAtPage); |
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if (inputStopAtPage === null) return; |
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if (!/^\d+$/.test(inputStopAtPage)) { |
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alert("Invalid input. Please enter a valid number."); |
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continue; |
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} |
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if (inputStopAtPage > currentPage && !(currentPage === 0 && inputStopAtPage === 1)) { |
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alert("Please enter a page less than or equal to your current page: " + currentPage); |
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continue; |
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} |
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localStorage.setItem('stopAtPage', inputStopAtPage); |
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stopLoop = true; |
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} |
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if (!rmOnlyRealDup) { |
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stopLoop = false; |
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while (!stopLoop) { |
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const inputNumTracks = prompt("Enter the number of tracks to check for duplicates\n(between 2 and 50):", numTracks); |
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if (inputNumTracks === null) return; |
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if (!/^\d+$/.test(inputNumTracks) || inputNumTracks < 2 || inputNumTracks > 50) { |
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alert("Invalid input. Please enter a valid number between 2 and 50."); |
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continue; |
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} |
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localStorage.setItem('numTracks', inputNumTracks); |
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stopLoop = true; |
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} |
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} |
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localStorage.setItem('runScript', 'true'); |
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location.reload(); |
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}); |
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// Create the checkbox element |
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const rmOnlyRealDupCheckbox = document.createElement('input'); |
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rmOnlyRealDupCheckbox.type = 'checkbox'; |
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rmOnlyRealDupCheckbox.id = 'rmOnlyRealDupCheckbox'; |
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rmOnlyRealDupCheckbox.style.position = 'relative'; |
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rmOnlyRealDupCheckbox.style.marginLeft = '10px'; |
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rmOnlyRealDupCheckbox.checked = rmOnlyRealDup; |
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rmOnlyRealDupCheckbox.addEventListener('change', function () { |
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localStorage.setItem('rmOnlyRealDup', rmOnlyRealDupCheckbox.checked); |
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}); |
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// Create the label for the checkbox |
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const rmOnlyRealDupCheckboxLabel = document.createElement('label'); |
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rmOnlyRealDupCheckboxLabel.style.position = 'relative'; |
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rmOnlyRealDupCheckboxLabel.style.marginLeft = '5px'; |
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rmOnlyRealDupCheckboxLabel.style.fontFamily = 'sans-serif'; |
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rmOnlyRealDupCheckboxLabel.style.fontSize = 'medium'; |
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rmOnlyRealDupCheckboxLabel.setAttribute('for', 'rmOnlyRealDupCheckbox'); |
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rmOnlyRealDupCheckboxLabel.textContent = 'Only compare real duplicates?'; |
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// Create a container element to hold the main button and checkbox |
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const buttonContainer = document.createElement('div'); |
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buttonContainer.id = 'buttonContainer'; |
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buttonContainer.style.position = 'absolute'; |
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buttonContainer.style.top = '370px'; |
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buttonContainer.style.left = '50%'; |
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buttonContainer.style.transform = 'translate(-50%, -50%)'; |
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buttonContainer.appendChild(runButton); |
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buttonContainer.appendChild(rmOnlyRealDupCheckboxLabel); |
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buttonContainer.appendChild(rmOnlyRealDupCheckbox); |
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const metaElement = document.querySelector('.content-top-has-nav'); |
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metaElement.insertAdjacentElement('afterend', buttonContainer); |
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} |
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} |
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// Automated duplicate scrobble deletion and navigation logic |
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if (shouldMatchPage()) { |
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window.addEventListener('load', function () { |
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// Event listener for when the page has finished loading |
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if (runScript) { |
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let found = 0; |
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const initialRefreshTimeout = 5000; // Interval for reloading the page |
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let refreshTimeout = parseInt(localStorage.getItem('refreshTimeout')) || initialRefreshTimeout; |
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const sections = Array.from(document.getElementsByTagName("tbody")); |
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const savedUrl = localStorage.getItem('savedUrl') || window.location.href; |
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// If the URL contains "delete", go back to last functioning site |
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if (window.location.toString().includes("delete")) window.location.href = savedUrl; |
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// If the current page doesn't contain tracks, go back to last functioning site (useful to detect rate-limiting page) |
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if (!document.querySelector('.chartlist')) { |
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setTimeout(function() { |
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window.location.href = savedUrl; |
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}, refreshTimeout); |
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localStorage.setItem('refreshTimeout', refreshTimeout + 5000); |
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return; |
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} else { |
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refreshTimeout = initialRefreshTimeout; |
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localStorage.setItem('refreshTimeout', initialRefreshTimeout); |
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localStorage.setItem('savedUrl', window.location.href); |
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} |
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sections.forEach(function (section) { |
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// Loop through each section |
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const els = Array.from(section.rows); |
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const names = els.map(function (el) { |
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const nmEl = el.querySelector('.chartlist-name'); |
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const artEl = el.querySelector('.chartlist-artist'); |
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if (rmOnlyRealDup) { |
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const tstEl = el.querySelector('.chartlist-timestamp'); |
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// Construct the name string including track name, artist and timestamp |
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return nmEl && artEl && tstEl && nmEl.textContent.replace(/\s+/g, ' ').trim() + ':' + artEl.textContent.replace(/\s+/g, ' ').trim() + ':' + tstEl.textContent.replace(/\s+/g, ' ').trim(); |
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} else { |
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// Construct the name string including only track name and artist |
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return nmEl && artEl && nmEl.textContent.replace(/\s+/g, ' ').trim() + ':' + artEl.textContent.replace(/\s+/g, ' ').trim(); |
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} |
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}); |
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names.forEach(function (name, i) { |
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// Loop through each name in the section |
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if (!names.slice(i + 1, i + 1 + parseInt(numTracks)).includes(name)) return; |
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// Check if the current name has duplicates within the specified range |
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const delBtn = els[i].querySelector('[data-ajax-form-sets-state="deleted"]'); |
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// If a delete button is found, click it and increment the counter |
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if (delBtn) { delBtn.click(); found++; } |
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}); |
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}); |
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if (found > 0) { |
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// If duplicates were found, reload the page after refreshTimeout |
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setTimeout(function() { |
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location.reload(); |
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}, refreshTimeout); |
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return; |
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} |
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if (currentPage <= stopAtPage) { |
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// Stop the Script and message user |
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localStorage.setItem('runScript', 'false'); |
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localStorage.removeItem('savedUrl'); |
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alert("LastFM duplicate deletion complete."); |
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location.reload(); |
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} |
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// Go up one page |
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else window.location.href = window.location.pathname + replaceQueryParam('page', extractQueryParam('page', window.location.href) - 1, window.location.search); |
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} |
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}); |
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} |
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})(); |
Hi @Aethraaa, the How-To is on this same page. Her is the direct link to it: https://gist.github.com/muhdiboy/a293cbff355af750e3b8f45ec816d1f1#file-lastfm-automated-remove-duplicates-md