123 lines
3.9 KiB
JavaScript
123 lines
3.9 KiB
JavaScript
let UserError = require('vn-loopback/util/user-error');
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module.exports = Self => {
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Self.remoteMethodCtx('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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{
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arg: 'id',
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description: 'The ticket id',
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type: 'number',
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required: true,
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http: {source: 'path'}
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},
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{
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arg: 'salesIds',
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description: 'The sales id',
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type: ['number'],
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required: true,
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}, {
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arg: 'newDiscount',
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description: 'The new discount',
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type: 'number',
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required: true
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}
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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: `/:id/updateDiscount`,
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verb: 'post'
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}
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});
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Self.updateDiscount = async(ctx, id, salesIds, newDiscount) => {
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const models = Self.app.models;
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const tx = await Self.beginTransaction({});
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try {
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const options = {transaction: tx};
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const filter = {
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fields: ['id', 'ticketFk', 'price'],
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where: {
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id: {inq: salesIds}
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},
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include: {
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relation: 'ticket',
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scope: {
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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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fields: ['id', 'clientFk']
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}
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}
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};
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let sales = await models.Sale.find(filter, options);
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if (sales.length === 0)
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throw new UserError('Please select at least one sale');
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const allFromSameTicket = sales.every(sale => sale.ticketFk === id);
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if (!allFromSameTicket)
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throw new UserError('All sales must belong to the same ticket');
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const isEditable = await models.Ticket.isEditable(ctx, id);
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if (!isEditable)
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throw new UserError(`The sales of this ticket can't be modified`);
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const ticket = await models.Ticket.findById(id, {
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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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const salesPersonId = ticket.client().salesPersonFk;
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const usesMana = await models.WorkerMana.findOne({
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where: {
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workerFk: salesPersonId
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},
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fields: 'amount'}, options);
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const componentCode = usesMana ? 'mana' : 'buyerDiscount';
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const discountComponent = await models.ComponentRate.findOne({
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where: {code: componentCode}}, options);
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const componentId = discountComponent.id;
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let promises = [];
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for (let sale of sales) {
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const value = ((-sale.price * newDiscount) / 100);
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const newComponent = models.SaleComponent.upsert({
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saleFk: sale.id,
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value: value,
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componentFk: componentId}, options);
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const updatedSale = models.Sale.update({id: sale.id},
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{discount: newDiscount}, options);
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promises.push([newComponent, updatedSale]);
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}
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await Promise.all(promises);
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query = `call vn.manaSpellersRequery(?)`;
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await Self.rawSql(query, [salesPersonId], options);
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await tx.commit();
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} catch (error) {
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await tx.rollback();
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throw error;
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}
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};
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};
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