salix/modules/ticket/back/methods/expedition-state/addExpeditionState.js

const UserError = require('vn-loopback/util/user-error');

module.exports = Self => {
    Self.remoteMethod('updateExpedtionState', {
        description: 'Update an expedition state',
        accepts: [
            {
                arg: 'expeditions',
                type: [
                    {
                        expeditionFk: 'number',
                        stateCode: 'string'
                    }
                ],
                required: true,
                description: 'Array of objects containing expeditionFk and stateCode'
            }
        ],
        http: {
            path: `/addExpeditionState`,
            verb: 'post'
        }
    });

    Self.updateExpedtionState = async(expeditions, options) => {
        const models = Self.app.models;
        let tx;
        const myOptions = {};

        if (typeof options == 'object')
            Object.assign(myOptions, options);

        if (!myOptions.transaction) {
            tx = await Self.beginTransaction({});
            myOptions.transaction = tx;
        }

        if (expeditions.length === 0)
            return false;

        const promises = [];
        try {
            const conn = Self.dataSource.connector;
            for (const expedition of expeditions) {
                const stmt = new ParameterizedSQL(
                    `SELECT id FROM vn.expeditionStateType WHERE code = ?`,
                    [expedition.stateCode]
                );
                const result = await conn.query(stmt);
                if (result.length === 0)
                    throw new Error(`The state code '${exp.stateCode}' does not exist.`);

                const typeFk = result[0].id;

                const newExpeditionState = models.Self.create({
                    expeditionFk: expedition.expeditionFk,
                    typeFk,
                });
                promises.push(newExpeditionState);
            }

            await Promise.all(promises);

            if (tx) await tx.commit();

            return true;
        } catch (e) {
            if (tx) await tx.rollback();
            throw e;
        }
    };
};