app2-api/modules/events/event.service.js

142 lines
4.9 KiB
JavaScript

/* global Venue */
"use strict";
const _ = require("lodash");
const moment = require("moment");
const { generateService, parseParamsToFindOptions } = require("../../helpers/service.helper");
const Sequelize = require("sequelize");
const models = require("../../core/models");
const { citiesComposer, eventComposer } = require("../../helpers/composes.helper");
const extraMethods = {
afterFetchAll: (result, params, context) => {
if (!result.count) {
return result;
}
let rows = result.rows.map((row) => row.toJSON());
if (context.scopes.includes("CitiesOfEvents")) rows = rows.map((city) => citiesComposer(city, context));
else rows = rows.map((event) => eventComposer(event, context));
return {
count: result.count,
rows: rows,
};
},
afterFetchOne: (result, params, context) => {
if (result) result = result.toJSON();
return eventComposer(result, context);
},
_getEvent: (eventId) => {
return models.Event.findOne({
where: {
id: eventId,
typeId: { [Sequelize.Op.ne]: null },
},
});
},
_updateConfirmedEvent: (eventId, confirmed) => {
return new Promise(function (resolve, reject) {
models.Event.update(
{
confirmed: confirmed,
},
{
where: { id: eventId, typeId: { [Sequelize.Op.ne]: null } },
}
)
.then(function (result) {
console.log(">>>>>>>>>>>>>>>>>>>>>>>>><resultado _updateConfirmedEvent", result);
if (result) resolve(result[0] === 1);
else resolve(false);
})
.catch(function (error) {
reject(error);
});
});
},
_updateAssistantsEvent: (eventId, assistants) => {
console.log('>> _updateAssistantsEvent: Actualizamos aforo', assistants);
return new Promise(function (resolve, reject) {
models.Event.update(
{
assistants: assistants,
},
{
where: { id: eventId, typeId: { [Sequelize.Op.ne]: null } },
}
)
.then(function (result) {
console.log(">>>>>>>>>>>>>>>>>>>>>>>>><resultado _updateAssistantsEvent", result);
if (result) resolve(result[0] === 1);
else resolve(false);
})
.catch(function (error) {
reject(error);
});
});
},
_updateSoldOutEvent: (eventId, sold_out) => {
return new Promise(function (resolve, reject) {
models.Event.update(
{
sold_out: sold_out,
},
{
where: { id: eventId },
}
)
.then(function (result) {
console.log(">>>>>>>>>>>>>>>>>>>>>>>>><resultado _updateSoldOutEvent", result);
if (result) resolve(result[0] === 1);
else resolve(false);
})
.catch(function (error) {
reject(error);
});
});
},
_updateAforoOfEventReservation: async (reservation, cantidad) => {
//Cogemos el evento del que tenemos que aumentar o disminuir aforo, en funcion de la cantidad si es negativa o positiva
const eventToUpdateAssistants = reservation.overflow_reservationId
? await extraMethods._getEvent(reservation.overflow_reservationId)
: await extraMethods._getEvent(reservation.eventId);
console.log('_updateAforoOfEventReservation Evento >>>>>>>>>>>>>>>', eventToUpdateAssistants.name);
console.log('_updateAforoOfEventReservation Asistentes >>>>>>>>>>>>>>>', eventToUpdateAssistants.assistants);
console.log('_updateAforoOfEventReservation Aumento en >>>>>>>>>>>>>>>', cantidad);
const plazasDisponibles = eventToUpdateAssistants.assistants - eventToUpdateAssistants.confirmed;
console.log('_updateAforoOfEventReservation Plazas disponibles >>>>>>>>>>>>>>>', plazasDisponibles);
//En caso de cantidad negativa si vamos a permirir aumentar el aforo con la cantidad recuperada
if ((cantidad >=0) && (plazasDisponibles < cantidad)) {
console.log ('_updateAforoOfEventReservation >>>> Aforo lleno no es posible efectuar la invitacion');
throw new Error ('Aforo lleno no es posible efectuar la invitacion');
};
//Modificamos los asistentes de evento (AFORO)
const newAforo = eventToUpdateAssistants.assistants - cantidad;
if (!(await extraMethods._updateAssistantsEvent(eventToUpdateAssistants.id, newAforo))) {
console.log("_updateAforoOfEventReservation >>>> No se ha podido actualizar el aforo del evento");
throw new Error ('No se ha podido actualizar el aforo del evento');
};
//Si se ha llenado ponemos el evento en SOLD_OUT
if (eventToUpdateAssistants.confirmed >= newAforo)
await extraMethods._updateSoldOutEvent(eventToUpdateAssistants.id, true);
reservation.event = eventToUpdateAssistants;
},
};
module.exports = generateService(models.Event, extraMethods);