update,
This commit is contained in:
louiscklaw
246
_tecky/party-planner/backend/routes/eventsRoutes.ts
Normal file
246
_tecky/party-planner/backend/routes/eventsRoutes.ts
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import express, { Request, Response } from 'express';
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import { client } from '../app';
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import { Events } from '../util/models';
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import { onlyNumbers } from '../util/functions/onlyNumbers';
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import { logger } from '../util/logger';
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import { isLoggedInAPI, isLoggedInInvitation } from '../util/guard';
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import { eventDetailsRoutes } from './eventDetailsRoutes';
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import { venuePollRoutes } from './venuePollRoutes';
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import { datetimePollRoutes } from './datetimePollRoutes';
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import crypto from 'crypto';
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import { eventInvitationRoutes } from './eventInvitationRoutes';
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export const eventsRoutes = express.Router();
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eventsRoutes.get('/created', isLoggedInAPI, getCreateEventList);
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eventsRoutes.get('/participated', isLoggedInAPI, getParticipateEventList);
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eventsRoutes.post('/', isLoggedInAPI, postEvent);
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eventsRoutes.delete('/:eventId', isLoggedInAPI, deleteEvent);
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eventsRoutes.delete('/participants/:eventId', isLoggedInAPI, deleteParticipants);
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eventsRoutes.use('/detail', isLoggedInAPI, eventDetailsRoutes);
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eventsRoutes.use('/invitation', isLoggedInInvitation, eventInvitationRoutes);
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eventsRoutes.use('/poll/venue', isLoggedInAPI, venuePollRoutes);
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eventsRoutes.use('/poll/datetime', isLoggedInAPI, datetimePollRoutes);
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// getCreatedEvents
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async function getCreateEventList(req: Request, res: Response) {
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try {
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logger.debug('Before reading DB');
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const [columnCountObject] = (
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await client.query(`SELECT COUNT(*) FROM events WHERE creator_id = $1 `, [req.session.user || 0])
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).rows;
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const columnCount = parseInt(columnCountObject.count);
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let currentPage = req.query.page + '';
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let offset: number = onlyNumbers(currentPage) ? (parseInt(currentPage) - 1) * 10 : 0;
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if (!columnCount) {
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currentPage = '1';
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offset = 0;
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} else if (Math.ceil(columnCount / 10) < parseInt(currentPage)) {
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currentPage = Math.ceil(columnCount / 10).toString();
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offset = (Math.ceil(columnCount / 10) - 1) * 10;
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}
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const result = await client.query(
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`
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SELECT * FROM events
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WHERE creator_id = $1
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ORDER BY start_datetime DESC, id DESC
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LIMIT 10 OFFSET $2;
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`,
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[req.session.user || 0, offset]
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);
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const eventList: Events[] = result.rows;
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res.json({
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object: eventList, // should be called eventList or events
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currentPage: currentPage,
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page: columnCount ? Math.ceil(columnCount / 10) : 1
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});
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} catch (e) {
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logger.error(e);
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res.status(500).json({
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msg: '[EVT001]: Failed to get Created Event List'
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});
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}
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}
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// getParticipatedEvents
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async function getParticipateEventList(req: Request, res: Response) {
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try {
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logger.debug('Before reading DB');
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const [columnCountObject] = (
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await client.query(
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`SELECT COUNT(events.*) FROM events
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INNER JOIN participants ON participants.event_id = events.id
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INNER JOIN users ON participants.user_id = users.id
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WHERE users.id = $1;`,
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[req.session.user || 0]
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)
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).rows;
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const columnCount = parseInt(columnCountObject.count);
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let currentPage = req.query.page as string;
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let offset: number = onlyNumbers(currentPage) ? (parseInt(currentPage) - 1) * 10 : 0;
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if (!columnCount) {
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currentPage = '1';
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offset = 0;
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} else if (Math.ceil(columnCount / 10) < parseInt(currentPage)) {
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currentPage = Math.ceil(columnCount / 10).toString();
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offset = (Math.ceil(columnCount / 10) - 1) * 10;
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}
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const result = await client.query(
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`
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SELECT events.* FROM events
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INNER JOIN participants ON participants.event_id = events.id
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INNER JOIN users ON participants.user_id = users.id
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WHERE users.id = $1
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ORDER BY events.start_datetime DESC, events.id DESC
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LIMIT 10 OFFSET $2;
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`,
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[req.session.user || 0, offset]
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);
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const eventList: Events[] = result.rows;
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res.json({
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object: eventList,
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currentPage: currentPage,
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page: columnCount ? Math.ceil(columnCount / 10) : 1
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});
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} catch (e) {
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logger.error(e);
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res.status(500).json({
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msg: '[EVT002]: Failed to get Participated Event List'
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});
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}
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}
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async function postEvent(req: Request, res: Response) {
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try {
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logger.debug('Before reading DB');
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const invitation_token = crypto.randomBytes(64).toString('hex');
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await client.query(
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`INSERT INTO events
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(name, venue, start_datetime, end_datetime,
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creator_id, invitation_token, deleted,
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date_poll_created,
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date_poll_terminated,
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venue_poll_created,
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venue_poll_terminated,
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created_at, updated_at)
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VALUES ($1,$2,$3,$4,$5,$6,FALSE,FALSE,FALSE,FALSE,FALSE,
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CURRENT_TIMESTAMP,CURRENT_TIMESTAMP)`,
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[
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req.body.eventName,
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req.body.eventVenue,
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req.body.startTime,
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req.body.endTime,
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req.session.user,
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invitation_token
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]
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);
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res.json({ msg: 'Posted to DB' });
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} catch (e) {
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logger.error(e);
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res.status(500).json({ msg: '[EVT003]: Failed to post Event' });
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}
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}
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async function deleteParticipants(req: Request, res: Response) {
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try {
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logger.debug('Before reading DB');
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const eventId = req.params.eventId ? parseInt(req.params.eventId) : 0;
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const [eventDetail] = (
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await client.query(
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`
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SELECT * FROM events
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WHERE creator_id = $1
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AND id = $2;
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`,
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[req.session.user, eventId]
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)
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).rows;
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const deletedParticipants: { id: number }[] = req.body.deletedParticipants;
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if (eventDetail) {
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const participantsWithItemAssigned = await client.query(
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`
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SELECT user_id FROM items
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WHERE user_id = ANY($1::int[])
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`,
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[deletedParticipants.map((p) => p.id)]
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);
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console.log(participantsWithItemAssigned);
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// Removed all of the ids from participantsWithItemAssigned
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// Then run delete
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let notDeletable = [];
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for (let deletedParticipant of req.body) {
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// n + 1 problem
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const itemInCharge = (
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await client.query(
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`
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SELECT * FROM items
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WHERE user_id = $1 AND event_id = $2 AND purchased = FALSE;
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`,
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[deletedParticipant.id, eventId]
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)
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).rows;
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if (itemInCharge.length) {
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notDeletable.push({
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deletedParticipant,
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itemInCharge
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});
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} else {
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await client.query(
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`
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DELETE FROM participants WHERE user_id = $1 and event_id = $2;
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`,
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[deletedParticipant.id, eventId]
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);
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}
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}
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res.json({
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status: true,
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notDeletable
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});
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} else {
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res.status(500).json({ status: false });
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}
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} catch (e) {
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logger.error(e);
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res.status(500).json({
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msg: '[EVT004]: Failed to delete Participants'
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});
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}
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}
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// Archived
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async function deleteEvent(req: Request, res: Response) {
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try {
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logger.debug('Before reading DB');
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const eventId = req.params.eventId ? parseInt(req.params.eventId) : 0;
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const [eventDetail] = (
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await client.query(
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`
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SELECT * FROM events
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WHERE creator_id = $1
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AND id = $2;
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`,
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[req.session.user, eventId]
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)
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).rows;
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if (eventDetail) {
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// Marked Delete
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await client.query(
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`
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UPDATE events SET deleted = TRUE
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WHERE id = $1;
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`,
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[eventId]
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);
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res.json({ status: true });
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} else {
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res.json({ status: false });
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}
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} catch (e) {
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logger.error(e);
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res.status(500).json({
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msg: '[EVT005]: Failed to delete Event'
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});
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}
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}
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