Created
October 14, 2019 15:30
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Amazon Total Order Calculator
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| // | |
| // F12 - Paste - Enter | |
| // | |
| // Last Update: 2019-10-15 | |
| // Works for: Amazon JP, Amazon UK | |
| // | |
| // Reference | |
| // - https://gist.github.com/koyopro/a480a45712ccf1bf239c | |
| (async function () { | |
| const $text1 = document.createElement('span'); | |
| const $text2 = document.createElement('div'); | |
| $text2.style.display = 'none'; | |
| $text2.style.padding = '32px'; | |
| $text2.style.lineHeight = '1.25'; | |
| $text2.style.color = '#000'; | |
| $text2.style.fontSize = '18pt'; | |
| $text2.style.background = '#fff'; | |
| const $overlay = document.createElement('div'); | |
| $overlay.style.position = 'fixed'; | |
| $overlay.style.left = 0; | |
| $overlay.style.top = 0; | |
| $overlay.style.width = '100%'; | |
| $overlay.style.height = '100%'; | |
| $overlay.style.zIndex = 1000; | |
| $overlay.style.display = 'flex'; | |
| $overlay.style.alignItems = 'center'; | |
| $overlay.style.justifyContent = 'center'; | |
| $overlay.style.backgroundColor = 'rgba(0, 0, 0, .7)'; | |
| $overlay.style.color = '#fff'; | |
| $overlay.style.fontSize = '32pt'; | |
| $overlay.appendChild($text1); | |
| $overlay.appendChild($text2) | |
| document.body.appendChild($overlay); | |
| let yearFrom = document.querySelector('#timePeriodForm select option:last-child').value; | |
| yearFrom = parseInt(yearFrom.match(/^year-(\d+)$/)[1]); | |
| const yearTo = new Date().getFullYear(); | |
| async function get(year, page = 1) { | |
| const url = `https://${location.host}/gp/css/order-history?digitalOrders=1&unifiedOrders=1&orderFilter=year-${year}&startIndex=${(page - 1) * 10}`; | |
| const response = await fetch(url); | |
| const html = await response.text(); | |
| return html; | |
| } | |
| function parse(html) { | |
| const parser = new DOMParser(); | |
| const page = parser.parseFromString(html, 'text/html'); | |
| const $orders = page.querySelectorAll('#ordersContainer .order'); | |
| const orders = []; | |
| $orders.forEach($order => { | |
| const $id = $order.querySelector('.order-info .actions .value'); | |
| const orderNo = $id.innerText.trim(); | |
| const $value = $order.querySelector('.order-info .a-column:nth-child(2) .value'); | |
| const value = parseFloat($value.innerText.replace(/[^\d.]/g, '')); | |
| orders.push([orderNo, value]); | |
| }); | |
| return orders; | |
| } | |
| const totalOrders = []; | |
| for (let year = yearFrom; year <= yearTo; year++) { | |
| let yearOrders = []; | |
| let page = 1; | |
| while (true) { | |
| $text1.innerText = `${year} / Page ${page}`; | |
| const html = await get(year, page); | |
| const pageOrders = parse(html); | |
| if (pageOrders.length === 0) break; | |
| yearOrders = yearOrders.concat(pageOrders); | |
| page += 1; | |
| } | |
| totalOrders.push([year, yearOrders]); | |
| } | |
| $text1.innerText = ''; | |
| let currency = v => `${v}`; | |
| if (location.host.endsWith('.co.jp')) currency = v => `¥${v}`; | |
| else if (location.host.endsWith('.com')) currency = v => `\$${v}`; | |
| else if (location.host.endsWith('.co.uk')) currency = v => `£${v}`; | |
| let grandTotal = 0; | |
| $text2.innerHTML = totalOrders.map(([ year, orders ]) => { | |
| const total = orders.map(([ no, value ]) => value).reduce((p, c) => p + c, 0); | |
| grandTotal += total; | |
| return `${year} = ${currency(total)}`; | |
| }).join('<br>'); | |
| $text2.innerHTML += `<br>Total = ${currency(grandTotal)}`; | |
| $text2.style.display = 'block'; | |
| })().then(() => {}).catch(console.error); |
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