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import { Application } from '@feathersjs/express';
import { HookContext } from '@feathersjs/feathers';
import service from 'feathers-mongoose';
import { populate } from 'feathers-hooks-common';
import Bluebird from 'bluebird';
import _ from 'lodash';
import Model from '../models/waybill/waybill.model';
import Contractor from '../models/contractor/contractor.model';
import Product from '../models/product/product.model';
const waybills = service({ Model });
const populateSchema = {
include: [
{
service: 'contractors',
nameAs: 'contractor',
parentField: 'contractorId',
childField: '_id'
},
{
service: 'products',
nameAs: 'product',
parentField: 'productId',
childField: '_id'
},
]
};
const performWaybillOperation = async (id: string, cancel = false) => {
const waybill = await Model.findById(id);
if (!waybill) return;
waybill.status = cancel ? 'cancelled' : 'executed';
const signMultiplier = (waybill.operation === 'in' ? 1 : -1) * (cancel ? -1 : 1);
const product = await Product.findById(waybill.productId);
if (!product) return;
product.quantity += waybill.quantity * signMultiplier;
if (product.quantity < 0) console.log('ВНИМАНИЕ: Недостаточно товара на складе');
const contractor = await Contractor.findById(waybill.contractorId);
if (!contractor) return;
contractor.debt -= waybill.quantity * product.price * signMultiplier;
return Bluebird.all([waybill.save(), product.save(), contractor.save()]);
};
const addName = (context: HookContext): HookContext => {
const { result: { operation, product, quantity } } = context;
const name = `Накладная: ${product?.name} ${operation === 'in' ? 'приход' : 'расход' } ${quantity} шт.`
return _.set(context, 'result.name', name);
};
export default (app: Application): void => {
app.use('/waybills', waybills);
app.post('/waybills/:id/execute', async (req, res) => {
const result = await performWaybillOperation(req.params.id);
res.send(result);
});
app.post('/waybills/:id/cancel', async (req, res) => {
const result = await performWaybillOperation(req.params.id, true);
res.send(result);
});
app.service('waybills').hooks({
after: {
all: [populate({ schema: populateSchema }), addName],
},
})
};
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