A simple helper to make GOG.com's grid-view catalogue listings more scannable during a sale
// ==UserScript==
// @name GOG.com - Sale Helper
// @version 2
// @namespace ssokolow.com
// @description A simple helper to make GOG.com's grid-view catalogue listings more scannable during a sale
//
// @compatible firefox Tested under Greasemonkey 4 and ViolentMonkey
// @compatible chrome Tested under TamperMonkey
//
// @include https://www.gog.com/games?*
//
// @require https://greasemonkey.github.io/gm4-polyfill/gm4-polyfill.js
// @require https://openuserjs.org/src/libs/sizzle/GM_config.js
//
// @grant GM_registerMenuCommand
// @grant GM.registerMenuCommand
//
// @grant GM_getValue
// @grant GM_setValue
// NOTE: GM_config doesn't currently support GM4 APIs, so allowing the GM4
// versions of these isn't helpful and could result in users losing
// access to their settings if GM_config suddenly starts supporting
// them without transparently migrating data from its localStorage
// fallback.
// ==/UserScript==
/* jshint esversion: 6 */
var fieldDefs = {
'discount_min': {
'section': 'Minimum Discount Percentage',
'label': 'Minimum',
'labelPos': 'left',
'type': 'number',
'min': 0,
'max': 99,
'default': 50,
'tail': '%',
},
'discount_preferred': {
'label': 'Preferred',
'type': 'number',
'min': 0,
'max': 99,
'default': 75,
'tail': '%',
},
'discount_preferred_fgcolor': {
'label': 'Foreground',
'type': 'color',
'default': '#ffffff',
},
'discount_preferred_bgcolor': {
'label': 'Background',
'type': 'color',
'default': '#00aa00',
},
'discount_rare': {
'label': 'Rare Bargain',
'type': 'number',
'min': 0,
'max': 99,
'default': 76,
'tail': '%',
},
'discount_rare_fgcolor': {
'label': 'Foreground',
'type': 'color',
'default': '#ffffff',
},
'discount_rare_bgcolor': {
'label': 'Background',
'type': 'color',
'default': '#ff0000',
},
'price_max': {
'section': 'Maximum Price',
'label': 'Maximum',
'labelPos': 'left',
'type': 'number',
'min': '0',
'step': '0.01',
'default': '15.00',
},
'price_low': {
'label': 'Preferred',
'type': 'number',
'min': '0',
'step': '0.01',
'default': '5.00',
},
'price_low_fgcolor': {
'label': 'Foreground',
'type': 'color',
'default': '#ffffff',
},
'price_low_bgcolor': {
'label': 'Background',
'type': 'color',
'default': '#00aa00',
},
'price_impulse': {
'label': 'Impulse Buys',
'type': 'number',
'min': '0',
'step': '0.01',
'default': '2.00',
},
'price_impulse_fgcolor': {
'label': 'Foreground',
'type': 'color',
'default': '#ffffff',
},
'price_impulse_bgcolor': {
'label': 'Background',
'type': 'color',
'default': '#ff0000',
},
'hide_owned': {
'section': 'Other Filters',
'label': 'Hide entries marked "In Library"',
'labelPos': 'left',
'type': 'checkbox',
'default': true,
},
'hide_title_regex': {
'label': 'Hide entries with titles matching:',
'labelPos': 'left',
'type': 'text',
'size': 35,
'default': "(Upgrade|[ ]OST|Soundtrack|Artbook)$",
},
};
function remove_tile(mutation_event) {
mutation_event.target.closest(".product-tile").remove();
}
let observer = new MutationObserver(function (mutations) {
mutations.forEach(function (mut) {
if (mut.type == "attributes" && mut.attributeName == "class" &&
mut.target.classList.contains("product-tile__labels--in-library")) {
// Hide entries that are already owned
remove_tile(mut);
} else if (mut.type == "childList" && mut.target.classList.contains("product-tile__discount")) {
// Hide entries that are below the minimum discount
// and highlight ones with abnormally high discounts
let discount = mut.target.innerText;
let discount_parsed = Number.parseInt(discount.substring(1, discount.length - 1));
if (discount_parsed < GM_config.get('discount_min')) {
remove_tile(mut);
} else if (discount_parsed >= GM_config.get('discount_rare')) {
mut.target.style.color = GM_config.get('discount_rare_fgcolor');
mut.target.style.backgroundColor = GM_config.get('discount_rare_bgcolor');
} else if (discount_parsed >= GM_config.get('discount_preferred')) {
mut.target.style.color = GM_config.get('discount_preferred_fgcolor');
mut.target.style.backgroundColor = GM_config.get('discount_preferred_bgcolor');
}
} else if (mut.type == "childList" && mut.target.classList.contains("product-tile__prices")) {
// Hide entries that are over the maximum price
// and highlight ones at or below the preferred price
let discounted = mut.target.querySelector(".product-tile__price-discounted");
let price = Number.parseFloat(discounted.innerText);
if (price > GM_config.get('price_max')) {
remove_tile(mut);
} else if (price <= GM_config.get('price_impulse')) {
discounted.style.color = GM_config.get('price_impulse_fgcolor');
discounted.style.backgroundColor = GM_config.get('price_impulse_bgcolor');
} else if (price <= GM_config.get('price_low')) {
discounted.style.color = GM_config.get('price_low_fgcolor');
discounted.style.backgroundColor = GM_config.get('price_low_bgcolor');
}
discounted.style.padding = '2px';
discounted.style.borderRadius = '2px';
} else if (mut.type == "childList" && mut.target.classList.contains("product-tile__title")) {
let regex_str = GM_config.get('hide_title_regex');
if (regex_str && regex_str.trim() && RegExp(regex_str).test(mut.target.innerText)) {
remove_tile(mut);
}
}
});
});
let frame = document.createElement('div');
document.body.append(frame);
GM_config.init({
id: 'sale_filter_GM_config',
title: "Sale Helper Settings",
fields: fieldDefs,
css: ('#sale_filter_GM_config ' + [
// Match GOG.com styling more closely
"{ box-shadow: 0 0 15px rgba(0,0,0,.15),0 1px 3px rgba(0,0,0,.15); " +
" background: #ccc; color: #212121; border: 0 !important; " +
" height: auto !important; width: auto !important; margin: auto; padding: 1ex !important; }",
" * { font-family: Lato GOG,Lato GOG Latin,sans-serif; }",
".config_header, .section_header { font-weight: 700; margin: 1ex 0 -1ex; }",
".section_header { color: #212121; background-color: inherit; border-width: 0 0 1px 0; " +
" font-size: 16px; border-bottom: 1px solid #bfbfbf; " +
" margin: 1em 1em 1ex 1em; text-align: left !important; " +
" clear: both; }",
" .title_underline { display: inline-block; border-bottom: 1px solid #212121; padding: 5px 0; }",
".field_label { display: inline-block; min-width: 9em; text-align: right; }",
".field_label, .field_tail { font-size: 12px; }",
".field_tail { margin-left: 0.5ex; font-weight: 700; }",
".config_var { float: left; margin-right: 1ex; }",
".reset { margin-right: 12px; }",
"button, input, .field_tail { vertical-align: middle; }",
"input[type='checkbox'] { margin: 0 0.5ex 0 2.5ex; }",
"input[type='number'] { width: 5em; }",
"input[type='color'] { box-sizing: content-box; height: 1.1em; width: 2em; }",
"#sale_filter_GM_config_field_discount_min, #sale_filter_GM_config_field_discount_preferred, " +
" #sale_filter_GM_config_field_discount_rare { width: 4em !important; }",
"#sale_filter_GM_config_buttons_holder { padding-top: 1ex; }",
"#sale_filter_GM_config_hide_title_regex_var, #sale_filter_GM_config_hide_owned_var " +
" { margin-left: 3ex !important; }",
"#sale_filter_GM_config_field_hide_owned { margin-left: 1ex; }",
"#sale_filter_GM_config_discount_min_var, #sale_filter_GM_config_discount_preferred_var, " +
" #sale_filter_GM_config_discount_rare_var, #sale_filter_GM_config_price_impulse_var, " +
" #sale_filter_GM_config_price_low_var, #sale_filter_GM_config_price_max_var, " +
" #sale_filter_GM_config_hide_title_regex_var, #sale_filter_GM_config_buttons_holder " +
" { clear: left; }",
].join('\n#sale_filter_GM_config ')),
events: {
open: function(doc) {
this.frame.querySelectorAll('.section_header').forEach(function(node) {
let inner = document.createElement('div');
inner.classList.add("title_underline");
inner.innerText = node.innerText;
node.firstChild.replaceWith(inner);
});
},
},
types: {
'color': {
default: '#ffffff',
toNode: function(configId) {
var field = this.settings,
id = this.id,
value = this.value,
create = this.create,
retNode = create('div', { className: 'config_var',
id: configId + '_' + id + '_var',
title: field.title || '' });
// Create the field lable
retNode.appendChild(create('label', {
innerHTML: field.label,
id: configId + '_' + id + '_field_label',
for: configId + '_field_' + id,
className: 'field_label'
}));
// Actually create and append the input element
retNode.appendChild(create('input', {
id: configId + '_field_' + id,
type: 'color',
value: value ? value : this['default'],
}));
return retNode;
},
toValue: function() {
if (this.wrapper) {
return this.wrapper.getElementsByTagName('input')[0].value;
}
},
reset: function() {
if (this.wrapper) {
this.wrapper.getElementsByTagName('input')[0].value = this['default'];
}
}
},
'number': {
default: '0',
toNode: function() {
console.log(this);
var field = this.settings,
id = this.id,
value = this.value,
create = this.create,
configId = this.configId,
retNode = create('div', { className: 'config_var',
id: configId + '_' + id + '_var',
title: field.title || '' });
// Create the field label
retNode.appendChild(create('label', {
innerHTML: field.label,
id: configId + '_' + id + '_field_label',
for: configId + '_field_' + id,
className: 'field_label'
}));
let params = {
id: configId + '_field_' + id,
type: 'number',
value: value ? value : this['default'],
};
if (field.min || field.min === 0) { params.min = field.min; }
if (field.max || field.max === 0) { params.max = field.max; }
if (field.step) { params.step = field.step; }
// Actually create and append the input element
retNode.appendChild(create('input', params));
if (field.tail) {
retNode.appendChild(create('span', {
innerHTML: field.tail ,
className: 'field_tail',
}));
}
return retNode;
},
toValue: function() {
if (this.wrapper) {
let val = Number(this.wrapper.getElementsByTagName('input')[0].value);
if (isNaN(val)) { return null; }
return val;
}
},
reset: function() {
if (this.wrapper) {
this.wrapper.getElementsByTagName('input')[0].value = this['default'];
}
}
}
},
frame: frame,
});
GM.registerMenuCommand("Configure Sale Helper...",
function() { GM_config.open(); }, 'C');
let catalog = document.querySelector(".catalog__wrapper");
observer.observe(catalog, { attributes: GM_config.get('hide_owned'), childList: true, subtree: true });
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