This script allows you to quickly know if you have already received Private/Direct Messages or profile comments from specific users simply by opening the user's profile page or by hovering on the user's image/User Name on any page on MAL.
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// ==UserScript==
// @name Have we ever talked before? - MAL
// @namespace MALCuriosity
// @version 0.2
// @description This script allows you to quickly know if you have already received Private/Direct Messages or profile comments from specific users simply by opening the user's profile page or by hovering on the user's image/User Name on any page on MAL.
// @author hacker09
// @match https://myanimelist.net/*
// @icon https://www.google.com/s2/favicons?domain=myanimelist.net
// @run-at document-end
// @grant GM_listValues
// @grant window.close
// @grant GM_setValue
// @grant GM_getValue
// ==/UserScript==
(function() {
'use strict';
var newDocument; //Creates a new global variable
var HoveredUserName = ''; //Creates a new global variable
async function GetComments() //Creates a function to get the user id and Starts the function
{ //Starts the function
if (location.href.split('/')[3] === 'profile' && location.href.split('/')[4] !== document.querySelector("a.header-profile-link").innerText && HoveredUserName === '') //If the opened page is some profile and if the profile username is not of the account owner profile, and if the variable HoveredUserName is equal nothing
{ //Starts the if condition
if (document.getElementsByName('profileMemId').length !== 0) //If the element that has the user id exists
{ //Starts the if condition
var ProfileID = document.getElementsByName('profileMemId')[0].value; //Saves the user id to the variable ProfileID
} //Finishes the if condition
else //If the element that has the user id DOESN'T exist
{ //Starts the else condition
ProfileID = document.querySelector("a.header-right.mt4.mr0").href.split('id=')[1]; //Saves the user id to the variable ProfileID
} //Finishes the else condition
} //Finishes the if condition
else //If the opened page is NOT a profile page
{ //Starts the else condition
const response1 = await (await fetch('https://api.jikan.moe/v3/user/' + HoveredUserName + '/profile')).json(); //Fetch
ProfileID = response1.user_id; //Saves the user id to the variable ProfileID
} //Finishes the else condition
const response = await fetch('https://myanimelist.net/comtocom.php?id1=' + ProfileID + '&id2=' + GM_getValue("ScriptUserID")); //Fetch
const html = await response.text(); //Gets the fetch response
newDocument = new DOMParser().parseFromString(html, 'text/html'); //Parses the fetch response
} //Finishes the async function
Array.from(document.querySelectorAll("a[href*='/profile/']")).forEach(Element => Element.onmouseover = async function() { //Get all the a profile link elements and add an advent listener to the link element
if (this.href.split('/')[4].match(this.innerText) !== null) //If the hovered profile url username is the same as the link element text username
{ //Starts the if condition
HoveredUserName = this.href.split('/')[4]; //Save the hovered username to a variable
await GetComments(); //Starts the function
if (newDocument.body.innerText.search("No comments found") > -1) //If the text "No comments found" is found
{ //Starts the if condition
this.title = "NO! There's no comments between you and this user!"; //Add the text "There's no comments between you and this user" to the username/image
} //Finishes the if condition
else //If the text "No comments found" is NOT found
{ //Starts the else condition
this.title = "YES! There are comments between you and this user!"; //Add the text "YES! There are comments between you and this user!" to the username/image
} //Finishes the else condition
if (GM_listValues().includes(HoveredUserName)) //If the actual HoveredUserName is on the user PMed list
{ //Starts the if condition
this.title = this.title + "\nYES! There are PMs between you and this user!"; //Add the text "YES! There are PMs between you and this user!" to the username/image
} //Finishes the if condition
else //If the actual HoveredUserName is NOT on the user PMed list
{ //Starts the else condition
this.title = this.title + "\nNO! There's no PMs between you and this user!"; //Add the text "There's no PMs between you and this user" to the username/image
} //Finishes the else condition
} //Finishes the if condition
}); //Finishes the forEach
if (location.href === 'https://myanimelist.net/mymessages.php' || (GM_getValue('ScriptUserID') === undefined && location.href.split('/')[4] === document.querySelector("a.header-profile-link").innerText)) //If the opened profile username is the account owner profile and if the variable ScriptUserID doesn't exist yet or if the opened url is = 'https://myanimelist.net/mymessages.php'
{ //Starts the if condition
var array = []; //Creates a new global array
var nextpagenum = 0; //Creates a new variable
(async () => { //Creates an async function
if (GM_getValue('ScriptUserID') === undefined && location.href.split('/')[4] === document.querySelector("a.header-profile-link").innerText) //If the opened profile username is the account owner profile and if the variable ScriptUserID doesn't exist yet
{ //Starts the if condition
const response1 = await (await fetch('https://api.jikan.moe/v3/user/' + location.href.split('/')[4] + '/profile')).json(); //Fetch
GM_setValue('ScriptUserID', response1.user_id); //saves the user id to the variable ScriptUserID
} //Finishes the if condition
while (true) { //While the fetched page contains User Names
const url = 'https://myanimelist.net/mymessages.php?go=&show=' + nextpagenum; //Creates a variable to fetch the PM pages
var response = await (await fetch(url)).text(); //Fetches the PM pages and converts the fetched pages to text
const newDocument = new DOMParser().parseFromString(response, 'text/html'); //Parses the fetch response
nextpagenum += 20; //Increase the next page number by 20
if (location.href === 'https://myanimelist.net/mymessages.php') //If the opened url is = 'https://myanimelist.net/mymessages.php'
{ //Starts the if condition
var DisplayedTotalPMs = 999999999; //Creates a new variable to make the script fetch only the 1 page
} //Finishes the if condition
else //If the opened url is NOT = 'https://myanimelist.net/mymessages.php'
{ //Starts the else condition
DisplayedTotalPMs = parseInt(newDocument.querySelector("div.di-ib").innerText.match(/\d+/g)[2]); //Creates a new variable
} //Finishes the else condition
for (const UserNames of newDocument.querySelectorAll("div.mym.mym_user")) { //For every single User Name that sent a PM to the user
array.push(UserNames.innerText); //Get and save the all mal User Names that sent PMs to the script user
} //Finishes the for condition
if (DisplayedTotalPMs >= parseInt(newDocument.querySelector("div.di-ib").innerText.match(/\d+/g)[0])) { //If the fetched page displayed messages total number is greater or equal the User total inbox messages number
array = [...new Set(array)]; //Remove the duplicated usernames of the array
array = array.filter(d => !GM_listValues().includes(d)); //Remove the duplicated usernames of the array comparing the usernames that the array has and tampermonkey is missing
for (var i = array.length; i--;) { //For every single PMed MAL User Name
GM_setValue(array[i], 'PMed MAL User Name'); //Get and save the actual PMed MAL User Name
} //Finishes the for condition
if (location.href !== 'https://myanimelist.net/mymessages.php') //If the opened url is NOT = 'https://myanimelist.net/mymessages.php'
{ //Starts the if condition
window.top.close(); //Close the actual tab
} //Finishes the if condition
return; //Make the while condition false and stop fetching
} //Finishes the if condition
await new Promise(resolve => setTimeout(resolve, 600)); //Timeout to start the next fetch request
} //Finishes the while condition
})(); //Finishes the async function
} //Finishes the if condition
if (location.href.split('/')[3] === 'profile' && location.href.split('/')[4] !== document.querySelector("a.header-profile-link").innerText) //If the opened page is some profile and if the profile username is not of the account owner profile
{ //Starts the if condition
(async () => { //Creates an async function
var HasCommented = document.createElement("a"); //Creates an a element
HasCommented.setAttribute("id", "HasCommented"); //Adds the id HasCommented to the a element
HasCommented.setAttribute("style", "cursor: pointer;margin-right: 20%;"); //Set the css for the button
await GetComments(); //Starts the function
if (newDocument.body.innerText.search("No comments found") > -1) //If the text "No comments found" is found
{ //Starts the if condition
HasCommented.innerHTML = "NO!"; //Add the text NO! to the button
} //Finishes the if condition
else //If the text "No comments found" is NOT found
{ //Starts the else condition
HasCommented.innerHTML = "YES!"; //Add the text YES! to the button
HasCommented.onclick = function() { //Detects the mouse click on the 'YES!' button
window.open('https://myanimelist.net/comtocom.php?id1=' + document.getElementsByName('profileMemId')[0].value + '&id2=' + GM_getValue("ScriptUserID"), '_self'); //Open the user comments page on the same tab
}; //Finishes the onclick advent listener
} //Finishes the else condition
document.querySelector("#comment").parentElement.appendChild(HasCommented); //Shows the button
setTimeout(function() { //Starts the setTimeout function
document.querySelector("div.mt8 > input").parentElement.appendChild(document.querySelector("#HasCommented").cloneNode(true)); //Clone and append the HasCommented button
document.querySelectorAll("#HasCommented")[1].onclick = function() { //Detects the mouse click on the second HasCommented button
document.querySelector("#HasCommented").click(); //Click on the first HasCommented element
}; //Finishes the onclick advent listener
}, 3000); //Finishes the setTimeout function
var HasPMed = document.createElement("a"); //Creates an a element
HasPMed.setAttribute("style", "cursor: pointer;margin-right: 30%;"); //Set the css for the button
if (GM_listValues().includes(location.href.split('/')[4]) === true) //If the actual opened profile User Name is on the user PMed list
{ //Starts the if condition
HasPMed.innerHTML = "YES!"; //Add the text YES! to the button
} //Finishes the if condition
else //If the actual opened profile User Name is NOT on the user PMed list
{ //Starts the else condition
HasPMed.innerHTML = "NO!"; //Add the text NO! to the button
} //Finishes the else condition
document.querySelector("#comment").parentElement.appendChild(HasPMed); //Shows the button
})(); //Finishes the async function
} //Finishes the if condition
})();
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