heissepreise/stores/utils.js

39 lines
1.3 KiB
JavaScript

exports.convertUnit = function (item, units, store) {
if (!(item.unit in units)) {
console.error(`Unknown unit in ${store}: '${item.unit}' in item ${item.name}`);
return item;
}
if (typeof item.quantity == "string") item.quantity = parseFloat(item.quantity.replace(",", "."));
const conv = units[item.unit];
item.quantity = conv.factor * item.quantity;
item.unit = conv.unit;
if (item.isWeighted && (item.unit == "g" || item.unit == "ml")) {
item.price = (100 * item.price) / item.quantity;
item.quantity = 100;
}
return item;
};
exports.parseUnitAndQuantityAtEnd = function (name) {
let unit,
quantity = 1;
const nameTokens = name.trim().replaceAll("(", "").replaceAll(")", "").replaceAll(",", ".").split(" ");
const lastToken = nameTokens[nameTokens.length - 1];
const secondLastToken = nameTokens.length >= 2 ? nameTokens[nameTokens.length - 2] : null;
const token = parseFloat(lastToken) ? lastToken : secondLastToken + lastToken;
const regex = /^([0-9.x]+)(.*)$/;
const matches = token.match(regex);
if (matches) {
matches[1].split("x").forEach((q) => {
quantity = quantity * parseFloat(q);
});
unit = matches[2];
return [quantity, unit.toLowerCase()];
}
return [undefined, undefined];
};