/
metals.js
53 lines (49 loc) · 1.49 KB
/
metals.js
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const axios = require('axios')
const cheerio = require('cheerio');
var moment = require('moment');
async function getResult(metal,date){
const url = 'https://www.westmetall.com/en/markdaten.php?action=table&field=LME_'+encodeURIComponent(metal)+'_cash'
axios.get(url).then((response) => {
const $ = cheerio.load(response.data);
const txt = $('tbody').text()
const textArray = txt.split('\n').filter((item)=>{
if(isNaN(Number.parseInt(item.substring(0,1)))===false) {
return item;
}
})
const finalArray = [];
for(i=0;i<textArray.length;){
let obj = {date:textArray[i],
LME_Cash_Settlement:textArray[i+1],
LME_3_month:textArray[i+2]}
finalArray.push(obj);
i = i+4
}
parseArray(finalArray);
const obj = findUsingData(finalArray,date)
return obj;
})
}
function parseArray(array){
array.forEach(item=>{
item.date = parseData(item.date);
item.LME_Cash_Settlement = Number(item.LME_Cash_Settlement.replace(/,/g,''));
item.LME_3_month = Number(item.LME_3_month.replace(/,/g,''));
})
return array;
}
function parseData(data){
var day = moment(data,"DD-MMM-YYYY");
var newDay = moment(day).format("DD.MM.YYYY");
return newDay;
}
function findUsingData(array,date){
let obj = {};
array.forEach(item=>{
if(date===item.date){
obj = item;
}
})
return obj;
}
module.exports = getResult;