mirror of
https://github.com/badlogic/heissepreise.git
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4c55a085b2
Also fix round error in cases without quantity short-description
67 lines
2.6 KiB
JavaScript
67 lines
2.6 KiB
JavaScript
const axios = require("axios");
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const utils = require("./utils");
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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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'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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'cm': { unit: 'cm', factor: 100 },
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'ml': { unit: 'ml', factor: 1 },
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'meter': { unit: 'cm', factor: 100 },
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'mm': { unit: 'cm', factor: .1 },
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'stk.': { unit: 'cm', factor: .1 },
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'cl': { unit: 'ml', factor: 10 },
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'blatt': { unit: 'stk', 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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const description = item.masterValues["short-description-3"] ?? item.masterValues["short-description-2"];
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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(description) {
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const s = description.replace(" EINWEG", "").replace(" MEHRWEG", "").trim();
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const q = utils.parseUnitAndQuantityAtEnd(s);
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quantity = q[0]
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unit = q[1]
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}
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if(conversions[unit]===undefined) {
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// use price per unit to calculate quantity (less accurate)
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let [unitPrice, unit_] = item.masterValues['price-per-unit'].split('/');
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unitPrice = parseFloat(unitPrice.replace("€", ""));
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quantity = parseFloat((price / unitPrice).toFixed(3));
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unit = unit_.toLowerCase();
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}
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return utils.convertUnit({
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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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isWeighted: item.masterValues['item-type'] === 'WeightProduct',
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bio: item.masterValues.biolevel === "Bio",
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url: `https://www.interspar.at/shop/lebensmittel${item.masterValues.url}`,
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}, conversions, 'spar');
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}
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exports.fetchData = async function() {
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const SPAR_SEARCH = `https://search-spar.spar-ics.com/fact-finder/rest/v4/search/products_lmos_at?query=*&q=*&page=1&hitsPerPage=${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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