salix/services/loopback/common/methods/order/new.js

let UserError = require('../../helpers').UserError;

module.exports = Self => {
    Self.remoteMethod('new', {
        description: 'Create a new order and returns the new ID',
        accessType: 'WRITE',
        accepts: [{
            arg: 'params',
            type: 'object',
            http: {source: 'body'}
        }],
        returns: {
            type: 'number',
            root: true
        },
        http: {
            path: `/new`,
            verb: 'post'
        }
    });

    Self.new = async params => {
        let address = await Self.app.models.Address.findOne({
            where: {id: params.addressFk},
            fields: ['clientFk']
        });
        let clientFk = address.clientFk;

        let client = await Self.app.models.Client.findOne({
            where: {id: clientFk},
            fields: ['isTaxDataChecked', 'isFreezed', 'isActive']
        });

        if (client.isFreezed)
            throw new UserError(`You can't create an order for a frozen client`);

        if (!client.isActive)
            throw new UserError(`You can't create an order for a inactive client`);

        if (!client.isTaxDataChecked)
            throw new UserError(`You can't create an order for a client that doesn't has tax data verified`);

        let query = `SELECT vn.clientGetDebt(?, CURDATE()) AS debt`;
        let clientDebt = await Self.rawSql(query, [clientFk]);

        if (clientDebt[0].debt > 0)
            throw new UserError(`You can't create an order for a client that has a debt`);

        query = `CALL vn.orderListCreate(?, ?, ?, ?);`;
        [result] = await Self.rawSql(query, [
            params.landed,
            params.agencyModeFk,
            params.addressFk,
            'SALIX'
        ]);

        return result[0].vOrderId;
    };
};