mirror of
https://github.com/badlogic/heissepreise.git
synced 2024-06-29 20:05:51 +02:00
62 lines
2.3 KiB
JavaScript
62 lines
2.3 KiB
JavaScript
const axios = require("axios");
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const HITS = Math.floor(30000 + Math.random() * 2000);
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const conversions = {
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'G': { unit: 'g', factor: 1 },
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'KG': { unit: 'g', factor: 1000 },
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'L': { unit: 'ml', factor: 1000 },
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'ML': { unit: 'ml', factor: 1 },
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'STK': { unit: 'stk', factor: 1 },
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'Stück': { unit: 'stk', factor: 1 },
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'kg': { unit: 'g', factor: 1000 },
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'l': { unit: 'ml', factor: 1000 },
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'100ml': { unit: 'ml', factor: 100 },
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'WG': { unit: 'wg', factor: 1 },
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'100g': { unit: 'g', factor: 100 },
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'm': { unit: 'cm', factor: 100 },
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'ml': { unit: 'ml', factor: 1 },
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};
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exports.getCanonical = function(item, today) {
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let price, unit, quantity;
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if (item.masterValues["quantity-selector"]) {
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const [str_price, str_unit] = item.masterValues["price-per-unit"].split('/');
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price = parseFloat(str_price.replace("€", ""));
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}
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else {
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price = item.masterValues.price;
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}
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if("short-description-3" in item.masterValues) {
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let [rawQuantity, rawUnit] = item.masterValues["short-description-3"].replace(" EINWEG", "").replace(" MEHRWEG", "").trim().split(' ');
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const conv = conversions[rawUnit];
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quantity = parseFloat(rawQuantity.replace(',','.')) * conv.factor;
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unit = conv.unit;
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}
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else{
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// use price per unit to calculate quantity (less accurate)
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let [unitPrice, rawUnit] = item.masterValues['price-per-unit'].split('/');
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unitPrice = parseFloat(unitPrice.replace("€", ""));
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const conv = conversions[rawUnit];
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if(conv === undefined)
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console.error("unknown unit: " + rawUnit)
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quantity = Math.round(price / unitPrice * conv.factor)
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unit = conv.unit;
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}
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return {
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id: item.masterValues["code-internal"],
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sparId: item.masterValues["product-number"],
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name: item.masterValues.title + " " + item.masterValues["short-description"],
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price,
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priceHistory: [{ date: today, price }],
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unit,
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quantity,
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bio: item.masterValues.biolevel === "Bio"
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};
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}
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exports.fetchData = async function() {
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const SPAR_SEARCH = `https://search-spar.spar-ics.com/fact-finder/rest/v4/search/products_lmos_at?query=*&q=*&page=1&hitsPerPage=${HITS}`;
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const rawItems = (await axios.get(SPAR_SEARCH)).data.hits;
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return rawItems?.hits || rawItems;
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}
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