RSSHub/lib/v2/wise/pair.js

66 lines
2.1 KiB
JavaScript

const got = require('@/utils/got');
const { parseDate } = require('@/utils/parse-date');
const dayjs = require('dayjs');
const customParseFormat = require('dayjs/plugin/customParseFormat');
dayjs.extend(customParseFormat);
const { art } = require('@/utils/render');
const path = require('path');
const renderDesc = (content) => art(path.join(__dirname, 'templates/description.art'), content);
module.exports = async (ctx) => {
let yesterday = dayjs().subtract(1, 'day');
const dayBefore = yesterday.subtract(1, 'day').format('YYYY-MM-DD');
yesterday = yesterday.format('YYYY-MM-DD');
const source = ctx.params.source.toUpperCase();
const target = ctx.params.target.toUpperCase();
const link = 'https://wise.com/tools/exchange-rate-alerts/';
const guid = `wise:rates:${ctx.params.source}-${ctx.params.target}-${yesterday}`;
const single = await ctx.cache.tryGet(guid, async () => {
const { data } = await got('https://wise.com/rates/history', {
searchParams: {
source,
target,
length: 1,
unit: 'year',
resolution: 'daily',
},
headers: {
referer: link,
},
});
const yData = data[data.length - 1];
const byDate = data[data.length - 2];
const yRate = yData.value;
const byRate = byDate.value;
const trend = yRate > byRate;
const diff = (yRate - byRate) / yRate;
const percent = (Math.abs(diff) * 100).toFixed(4);
return {
title: `${source}/${target} ${trend ? '📈' : '📉'} @${yRate} ${diff > 0 ? '' : '-'}${percent}%`,
description: renderDesc({
source,
target,
yesterday,
yRate,
dayBefore,
byRate,
}),
pubDate: parseDate(yData.time, 'x'),
guid,
link,
};
});
ctx.state.data = {
title: `${source} to ${target} by Wise`,
link,
description: `Exchange Rate from Wise`,
item: [single],
};
};