Warns about downloading based on resulting Ratio Loss due to forgetting to buy w/FL
目前为
// ==UserScript==
// @name MAM Ratio Protect
// @namespace yyyzzz999
// @author yyyzzz999
// @description Warns about downloading based on resulting Ratio Loss due to forgetting to buy w/FL
// @include https://www.myanonamouse.net/t/*
// @version 1.80
// @description (5/1/21)
// @grant none
// @run-at document-end
// ==/UserScript==
// Many Thanks to GardenShade, yyywwwyyyhhh & ooglyboogly for advice, testing, and code contributions!
/*jshint esversion: 6 */
/*eslint no-multi-spaces:0 */ //stop pestering me 'cause I learned to type with double spaces!
// Release downloadURL: https://greasyfork.org/en/scripts/416189-mam-ratio-protect
//let xhr;
let rcRow; //Used in body and functions
//let tHash = ""; //Hexcode hash for this torrent
let DEBUG =1; // Debugging mode on (1) or off (0) added in (v1.54) verbose (2) (v1.6)
/* Easter Egg bonus features, uncomment to use! */
//Hide banner on book pages if not using MAM+
//document.getElementById("msb").style.display = "none";
//Re-title tab to make it easier to find a book tab! v1.66
document.title=document.title.replace('Details for torrent "', '');
//This makes Bookmark titles easier to read as well!
// See also: https://greasyfork.org/en/scripts/418820-mam-user-page-re-title
// and https://greasyfork.org/en/scripts/418992-mam-request-page-re-title
// and https://greasyfork.org/en/scripts/417852-mam-site-store-fix
/* End Easter Eggs */
// Functions:
//https://blog.abelotech.com/posts/number-currency-formatting-javascript/
function comma(num) { // add commas to a number
return num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, '$1,')
}
function formatBytes(a,b=2){if(0===a)return"0 Bytes";
const c=0>b?0:b,d=Math.floor(Math.log(a)/Math.log(1024));
return parseFloat((a/Math.pow(1024,d)).toFixed(c))+" "+["Bytes","KB","MB","GB","TB","PB","EB","ZB","YB"][d]}
/** hacked from MAM+ 4.2.20 Line 222
Always inserted line at beginning or end of page block until removed parentElement before insertAdjacentHTML
* Add a new TorDetRow and return the inner div
* @param tar The row to be targetted
* @param label The name to be displayed for the new row
* @param rowClass The row's classname (should start with mp_)
*/
function myaddTorDetailsRow(tar, label, rowClass) {
if (tar == null ) { //why originally === assignment?
throw new Error(`myAdd Tor Details Row: empty node @ ${tar}`);
}
else {
tar.insertAdjacentHTML('beforebegin', // changed from afterbegin so I can position before .torDetBottom as nth child changes w/MAM+
// and Torrent: ratio line has no id or unique CSS
`<div class="torDetRow" id="Mrp_row"><div class="torDetLeft">${label}</div><div class="torDetRight ${rowClass}"><span id="mp_foobar"></span></div></div>`);
return document.querySelector(`.${rowClass} #mp_foobar`);
}
}
/*
https://stackoverflow.com/questions/629671/how-can-i-intercept-xmlhttprequests-from-a-greasemonkey-script
Spy on all AJAX request/response to see when FL is purchased
This works in Basilisk Scratchpad, Tampermonkey w/Firefox, but not Greasmonkey 3.9 in Basilisk
Problem: it also looks at our own AJAX request so we return early if we see the user data object
*/
let ResultObj; // I scoped this out of the function in case I want to reference it later in other contexts/functions
// This is where we react after FL purchase
(function(open) {
XMLHttpRequest.prototype.open = function() {
this.addEventListener("readystatechange", function() {
if (DEBUG >2) console.log(this.readyState);
if (DEBUG >2) console.log(this.responseText);
if (this.readyState == 4 && this.status == 200) {
ResultObj = JSON.parse(this.responseText);
if ( ResultObj.uid ) return; //if getting user data in this script w/ fetch('/jsonLoad.php')
if (DEBUG >1) console.log("Response: " + this.responseText);
if (DEBUG) console.log("xhr status: " + ResultObj.success);
if (ResultObj.success && ResultObj.type == "personal FL") { // Return download button etc. to normal after FL purchase (v1.6)
// bookmark operations return {"success": true, "action": "add"} Specific FL test in v1.63!
dlBtn.innerHTML = "Download";
dlBtn.style.backgroundColor="dodgerblue";
dlLabel.innerHTML = ""; //Clear ratio loss
//document.getElementById("Mrp_row").style.visibility = "hidden"; //Wastes space
document.getElementById("Mrp_row").style.display = "none"; //Restore w/ "block"
if (DEBUG) console.log("Seedbonus: " + ResultObj.seedbonus);
if( document.getElementById("tmFW") && ResultObj.FLleft) // If FL Wedges: are displayed in top menu & we have new value so update it
document.getElementById("tmFW").textContent=ResultObj.textContent="FL Wedges: " + ResultObj.FLleft;
// Why doesn't MAM already do this?
}
}
}, false);
open.apply(this, arguments);
};
})(XMLHttpRequest.prototype.open);
/* if (DEBUG) console.log("Declaring fetchUD()"); //THIS CODE BLOCK IS NO LONGER USED IN 1.8
function fetchUD() { //Fetch ratio Uploaded numerator, and Downloaded denominator, then show calculations
if (DEBUG) console.log("Fetching user data");
fetch('https://www.myanonamouse.net/jsonLoad.php') //Greasemonkey/Violentmonky seem to need FQDN instead of partial URL (v1.65)
.then(response => response.json())
.then(data => {
//console.log(data);
//if (DEBUG) console.log("U/D:",data.uploaded,data.downloaded);
// Calculate & Display cost of download w/o FL
let x=document.querySelector("div[id='size'] span").textContent.split(/\s+/); //Why didn't split(" ") work?
if (DEBUG) console.log("x = " + x + ", x[0]= " + x[0] + ", x[1]= " + x[1] );
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB']; // I want to be around when we start sharing TB+ collections! ;-)
let tsize = x[0] * Math.pow(1024, sizes.indexOf(x[1]));
// Convert human notation to bytes, only used once so didn't make it a function
if (DEBUG) console.log("tsize = " + tsize);
let recovU = (data.uploaded*(data.downloaded+tsize))/data.downloaded - data.uploaded;
let recovU2 = tsize*data.uploaded/data.downloaded; // yyywwwyyyhhh proposed change
let rU3 = tsize*rcur;
if (DEBUG) console.log("recovU = " + recovU + " recovU2 = " + recovU2 + " rU3 = " + rU3 );
rcRow.innerHTML = "<b>" + formatBytes(recovU) + "</b> Uploaded Needed to Restore Current Ratio.<br><b>" +
comma(Math.floor(125*recovU/268435456)) + "</b> Bonus Points to purchase.<br>" +
"Contributing to the vault gives you on average almost one FL wedge per day at a cost of as little as 200 bonus points each. ";
if (DEBUG) rcRow.innerHTML += "<br>Calculations based on Up/Down ratio= " + data.uploaded + "/" + data.downloaded +
", approximately " + comma(Math.floor(recovU)) + " future upload bytes, and a download size of " + comma(tsize) + " bytes.";
}) // .textContent above prob. should be replaced with innerHTML for formatting and links etc.
.catch((error) => {
console.error('Error:', error);
rcRow.innerHTML = "Try at most one reload to resolve error: " + error
+ '<br>and then <a href="https://greasyfork.org/en/scripts/416189-mam-ratio-protect/feedback" target="_blank">report this exact error message</a>'
+ " along with the browser and userscript manager you are using including their version numbers." ; // v1.65
// Produced on 404: SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
});
} */
// Main Program
// The download text area
let dlBtn = document.getElementById("tddl");
// The unused label area above the download text
let dlLabel = document.querySelector("#download .torDetInnerTop");
// Would become ratio
let rnew = 0; // FALSE
if (document.getElementById("ratio").textContent.split(" ")[1].match(/become/) ) {
rnew = document.getElementById("ratio").textContent.split(" ")[2].replace(/,/g,""); // (v1.54)
// VIP expires date caused rdiff to be NaN in v1.53 bcause text crept in in v1.52
}
if (DEBUG) console.log("rnew= " + rnew);
rnew = rnew.replace(/[A-z]/g,""); // (v.1.71) to address no space before "This can't be made site FL due to no author set" t/73005
//let rnew = document.getElementById("ratio").textContent.split("become ")[1].replace(/,/g,""); // broke w/On list for next FL pick
//let rnew = document.getElementById("ratio").textContent.match(/\d*\,?\d+\.\d+/)[0].replace(/,/g,"''); //breaks at 1,000,000bp
if (DEBUG) console.log("rnew= " + rnew); // For debugging
// Current ratio - Version 1.52 and earlier broke when a ratio has a comma
let rcur = document.getElementById("tmR").textContent.replace(/,/g,"").trim();
if (DEBUG) console.log("rcur= " + rcur + "."); // For debugging
// Seeding or downloading TRUE if "Actively Seeding" etc.
let seeding = document.getElementById('DLhistory');
if (DEBUG) console.log("seeding= " + seeding);
// Available FL wedges - for future use... (>v1.6)
// Only visible if set on MAM in Preferences, Style, Main Menu, Top Menu
//let wedgeAvail = document.getElementById('tmFW').textContent.split(":")[1].trim(); //only works if added to top menu
// Probably more robust way of finding current FL, so use if avail.
//if(wedgeAvail) console.log("tm wedgeAvail= " + wedgeAvail);
// ELSE try finding in drop downs with Rel XPath //a[contains(text(),'FL Wedges: ')] or
// CSS ul:nth-child(1) li.mmUserStats ul.hidden:nth-child(2) li:nth-child(7) > a:nth-child(1)
// let wedgeAvail = document.querySelector('[aria-labelledby="userMenu"] li:nth-of-type(7)').textContent.split(':')[1].trim();
// or document.querySelector("ul:nth-child(1) li.mmUserStats ul.hidden:nth-child(2) li:nth-child(7) > a:nth-child(1)")
// Only run the code if the new ratio exists and we found the current one
if(rnew && rcur){
let rdiff = rcur-rnew; // Loss in ratio after download (if error in old browser use var instead of let)
if (DEBUG) console.log("rdiff= " + rdiff); // For debugging
if (seeding == null ) { // if NOT already seeding, downloading or VIP expires (v1.54)
dlLabel.innerHTML = `Ratio loss ${rdiff.toFixed(4)}`; //changed from toPrecision(5) (v1.54)
dlLabel.style.fontWeight = "normal"; //To distinguish from BOLD Titles
// Add line under Torrent: detail for Cost data "Cost to Restore Ratio"
rcRow = myaddTorDetailsRow(document.querySelector("div[class='torDetBottom']"), 'Cost to Restore Ratio', 'mp_rcRow');
if (DEBUG) console.log("rcRow.innerHTML= " + rcRow.innerHTML);
// Create button that will load data and insert calculations (and slow ajax calls to server)
//rcRow.innerHTML = '<button id="Mrp_btn">View Calculations</button>';
//document.getElementById("Mrp_btn").addEventListener("click", fetchUD);
// Always show calculations when there is a ratio loss
// Calculate & Display cost of download w/o FL
let x=document.querySelector("div[id='size'] span").textContent.split(/\s+/); //Why didn't split(" ") work?
if (DEBUG) console.log("x = " + x + ", x[0]= " + x[0] + ", x[1]= " + x[1] );
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB']; // I want to be around when we start sharing TB+ collections! ;-)
let tsize = x[0] * Math.pow(1024, sizes.indexOf(x[1]));
// Convert human notation to bytes, only used once so didn't make it a function
if (DEBUG) console.log("tsize = " + tsize);
//let recovU = (data.uploaded*(data.downloaded+tsize))/data.downloaded - data.uploaded;
//let recovU2 = tsize*data.uploaded/data.downloaded; // yyywwwyyyhhh proposed change
let recovU = tsize*rcur;
if (DEBUG) console.log("recovU = " + recovU );
rcRow.innerHTML = "<b>" + formatBytes(recovU) + "</b> Uploaded Needed to Restore Current Ratio.<br><b>" +
comma(Math.floor(125*recovU/268435456)) + "</b> Bonus Points to purchase.<br>" +
"Contributing 2000 bonus points to each vault gives you on average almost one FL wedge per day.";
if (DEBUG) rcRow.innerHTML += "<br>Calculations based on ratio= " + rcur +
", approximately " + comma(Math.floor(recovU)) + " future upload bytes, and a download size of " + comma(tsize) + " bytes.";
}
// Change this .3 number to your "trivial ratio loss" amount
// These changes will always happen if the ratio conditions are met
if(rdiff > 0.3){
dlBtn.style.backgroundColor="SpringGreen";
dlBtn.style.color="black";
}
// Change this 1 number to your I never want to dl w/o FL ratio loss amount
if(rdiff > 1){
dlBtn.style.backgroundColor="Red";
// Disable link to prevent download
// dlBtn.style.pointerEvents="none";
// Uncomment (remove //) above line to disable the download button
// maybe hide the button, and add the Ratio Loss warning in its place?
dlBtn.innerHTML = "FL Recommended";
dlLabel.style.fontWeight = "bold";
// Change this .5 number to your "I need to think about using a FL ratio loss" amount
}else if(rdiff > 0.5){
dlBtn.style.backgroundColor="Orange";
}
}