74 lines
2.3 KiB
JavaScript
74 lines
2.3 KiB
JavaScript
let UserError = require('vn-loopback/util/user-error');
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module.exports = Self => {
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Self.remoteMethod('updateDiscount', {
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description: 'Changes the discount of a sale',
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accessType: 'WRITE',
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accepts: [{
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arg: 'ticketFk',
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type: 'number',
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required: true,
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description: 'ticket id',
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}, {
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arg: 'sales',
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type: ['object'],
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required: true,
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description: 'sale ID, newDiscount, price, ticket',
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}],
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returns: {
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type: 'string',
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root: true
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},
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http: {
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path: `/updateDiscount`,
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verb: 'post'
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}
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});
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Self.updateDiscount = async(ticketFk, sales) => {
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const validDiscounts = sales.every(sale => {
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return !isNaN(sale.discount);
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});
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if (!validDiscounts)
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throw new UserError(`The value should be a number`);
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let model = Self.app.models;
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let ticket = await model.Ticket.findById(ticketFk, {
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include: {
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relation: 'client',
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scope: {
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fields: ['salesPersonFk']
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}
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},
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});
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if (ticket.refFk)
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throw new UserError(`The sales of this ticket can't be modified`);
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let manaDiscount;
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let buyerDiscount = await model.ComponentRate.findOne({where: {code: 'buyerDiscount'}});
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let usesMana = await model.WorkerMana.findOne({where: {workerFk: ticket.client().salesPersonFk}, fields: 'amount'});
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let componentId = buyerDiscount.id;
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if (usesMana) {
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manaDiscount = await model.ComponentRate.findOne({where: {code: 'mana'}});
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componentId = manaDiscount.id;
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}
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for (let i = 0; i < sales.length; i++) {
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let currentLine = await model.Sale.findOne({where: {id: sales[i].id}, fields: 'price'});
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let value = ((-currentLine.price * sales[i].discount) / 100);
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await model.SaleComponent.upsert({saleFk: sales[i].id, value: value, componentFk: componentId});
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await model.Sale.update({id: sales[i].id}, {discount: sales[i].discount});
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}
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if (usesMana) {
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query = `call vn.manaSpellersRequery(?)`;
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await Self.rawSql(query, [ticket.client().salesPersonFk]);
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}
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};
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};
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