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/* OpenBills-web - Web based libre billing software
* Copyright (C) 2022 Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import axios from "axios";
import c from "currency.js";
import { Brand } from "./brand";
// TODO: load from config or something
export const currency = value => c(value, {
decimal: '.',
seperator: ',',
precision: 2,
symbol: '₹ ',
});
export class Item {
constructor() {
this.Id = null;
this.Brand = new Brand();
this.UnitOfMeasure = "";
this.Name = "";
this.Description = "";
this.HSN = "";
this.UnitPrice = 0.00;
this.GSTPercentage = 0.00;
this.MinQuantity = 0.00;
this.MaxQuantity = 0.00;
this.HasDecimalQuantity = false;
}
}
export class InvoiceItem extends Item {
constructor() {
super();
this.Quantity = 0.00;
this.DiscountPercentage = 0.00;
}
}
export const saveItem = (item, ok, fail) => {
axios.post("/item/new", item)
.then(res => ok())
.catch((err) => fail())
}
export const deleteItem = (id, ok, fail) => {
axios.delete(`/item/${id}`)
.then(res => ok())
.catch((err) => fail())
}
export const getAllItems = (ok, fail) => {
axios.get("/item/all")
.then(res => ok(res.data))
.catch(err => fail())
}
export const editItem = (item, ok, fail) => {
axios.put(`/item/${item.Id}`, item)
.then(res => ok())
.catch(err => fail());
}
export const getDiscountValue = (item) =>
currency(item.UnitPrice).multiply(item.Quantity).divide(100).multiply(item.DiscountPercentage)
export const getGSTValue = (item) => item.GSTPercentage > 0
? currency(item.UnitPrice).multiply(item.Quantity).subtract(getDiscountValue).divide(100).multiply(item.GSTPercentage) : currency(0.00)
export const getAmount = (item) =>
currency(item.UnitPrice).multiply(item.Quantity).add(getDiscountValue(item)).add(getGSTValue(item))
export const calcSum = (items) => items.reduce((prev, current, id, arr) => ({
GST: prev.GST.add(getGSTValue(current)),
Discount: prev.Discount.add(getDiscountValue(current)),
UnitPrice: prev.UnitPrice.add(currency(current.UnitPrice).multiply(current.Quantity)),
Amount: prev.Amount.add(getAmount(current)),
Quantity: prev.Quantity.add(current.Quantity) // stored as a currency because it can be float
}), {GST: currency(0), Discount: currency(0), UnitPrice: currency(0), Amount: currency(0), Quantity: currency(0)});
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