mirror of
https://github.com/janishutz/libreevent.git
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219 lines
11 KiB
JavaScript
219 lines
11 KiB
JavaScript
/*
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* libreevent - postHandler.js
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*
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* Created by Janis Hutz 07/20/2023, Licensed under the GPL V3 License
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* https://janishutz.com, development@janishutz.com
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*
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*
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*/
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const path = require( 'path' );
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const db = require( '../db/db.js' );
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const fs = require( 'fs' );
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const pwHandler = require( '../credentials/pwdmanager.js' );
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class POSTHandler {
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constructor () {
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this.loadData();
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this.temporarilySelected = {};
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this.temporarilySelectedTotals = {};
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this.settings = JSON.parse( fs.readFileSync( path.join( __dirname + '/../../config/settings.config.json' ) ) );
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}
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loadData () {
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db.getJSONData( 'booked' ).then( dat => {
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this.allSelectedSeats = dat;
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db.getJSONData( 'events' ).then( dat => {
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this.events = dat;
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this.ticketTotals = {};
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this.detailedTicketTotals = {};
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for ( let event in this.events ) {
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this.ticketTotals[ event ] = this.events[ event ][ 'totalSeats' ];
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this.detailedTicketTotals[ event ] = {};
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for ( let category in this.events[ event ].categories ) {
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this.detailedTicketTotals[ event ][ category ] = this.events[ event ].categories[ category ].ticketCount ?? 0;
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}
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}
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for ( let event in this.allSelectedSeats ) {
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for ( let t in this.allSelectedSeats[ event ] ) {
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if ( this.allSelectedSeats[ event ][ t ][ 'count' ] ) {
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this.ticketTotals[ event ] -= this.allSelectedSeats[ event ][ t ][ 'count' ];
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} else {
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this.ticketTotals[ event ] -= 1;
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}
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}
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}
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} );
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} );
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}
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// Add lang in the future
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handleCall ( call, data, session ) {
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return new Promise( ( resolve, reject ) => {
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if ( call === 'reserveTicket' ) {
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// TODO: probably rewrite from scratch
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if ( data.count || data.count === 0 ) {
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db.getDataSimple( 'temp', 'user_id', session.id ).then( dat => {
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if ( dat[ 0 ] ) {
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let totalTicketsPerID = {};
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// sum up total of tickets per category (based on a sliced ID of the ticket selected,
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// as ticketID is based on category and ageGroup)
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let tickets = JSON.parse( dat[ 0 ].data )[ data.eventID ];
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for ( let ticket in tickets ) {
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if ( !totalTicketsPerID[ ticket.slice( 0, ticket.indexOf( '_' ) ) ] ) {
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totalTicketsPerID[ ticket.slice( 0, ticket.indexOf( '_' ) ) ] = 0;
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}
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totalTicketsPerID[ ticket.slice( 0, ticket.indexOf( '_' ) ) ] += tickets[ ticket ].count;
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}
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const id = data.id.slice( 0, data.id.indexOf( '_' ) );
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if ( !totalTicketsPerID[ id ] ) {
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totalTicketsPerID[ id ] = 0;
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}
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totalTicketsPerID[ id ] += 1;
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let totalTickets = 0;
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for ( let category in totalTicketsPerID ) {
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totalTickets += totalTicketsPerID[ category ];
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}
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if ( this.settings.maxTickets !== 0 ) {
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if ( totalTickets >= this.settings.maxTickets ) {
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reject( { 'code': 418, 'message': 'ERR_TOO_MANY_TICKETS' } );
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}
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}
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if ( totalTicketsPerID[ id ] <= this.detailedTicketTotals[ data.eventID ][ id ] ) {
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let info = {};
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info[ data.eventID ] = tickets;
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if ( data.count < 1 ) {
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if ( Object.keys( info[ data.eventID ] ).length < 1 ) {
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delete info[ data.eventID ];
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} else {
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delete info[ data.eventID ][ data.id ];
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}
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} else {
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info[ data.eventID ][ data.id ] = data;
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}
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let ticketCount = data.count;
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const maxTickets = this.detailedTicketTotals[ data.eventID ][ data.id.slice( 0, data.id.indexOf( '_' ) ) ];
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if ( ticketCount > maxTickets ) {
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ticketCount = maxTickets;
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}
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if ( maxTickets > 0 ) {
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db.writeDataSimple( 'temp', 'user_id', session.id, { 'user_id': session.id, 'timestamp': new Date().toString(), 'data': JSON.stringify( info ) } );
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this.temporarilySelected[ id ] = info;
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if ( !this.temporarilySelectedTotals[ data.eventID ] ) {
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this.ticketTotals[ data.eventID ] = 0;
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}
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this.ticketTotals[ data.eventID ] -= ticketCount;
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resolve( { 'status': 'ok', 'ticketCount': ticketCount } );
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} else {
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reject( { 'code': 409, 'message': 'ERR_ALL_OCCUPIED' } );
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}
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}
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} else {
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let info = {};
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info[ data.eventID ] = {};
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info[ data.eventID ][ data.id ] = data;
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let ticketCount = data.count;
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const maxTickets = this.detailedTicketTotals[ data.eventID ][ data.category ];
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if ( ticketCount > maxTickets ) {
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ticketCount = maxTickets;
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}
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if ( maxTickets > 0 ) {
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db.writeDataSimple( 'temp', 'user_id', session.id, { 'user_id': session.id, 'timestamp': new Date().toString(), 'data': JSON.stringify( info ) } );
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this.allSelectedSeats[ data.id ] = info;
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this.ticketTotals[ data.eventID ] -= ticketCount;
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resolve( { 'status': 'ok', 'ticketCount': ticketCount } );
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} else {
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reject( { 'code': 409, 'message': 'ERR_ALL_OCCUPIED' } );
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}
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}
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} );
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} else {
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if ( !this.allSelectedSeats[ data.eventID ] ) {
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this.allSelectedSeats[ data.eventID ] = {};
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}
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if ( this.allSelectedSeats[ data.eventID ][ data.id ] ) {
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reject( { 'code': 409, 'message': 'ERR_ALREADY_SELECTED' } );
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} else {
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let info = {};
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info[ data.eventID ] = {};
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info[ data.eventID ][ data.id ] = data;
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db.writeDataSimple( 'temp', 'user_id', session.id, { 'user_id': session.id, 'timestamp': new Date().toString(), 'data': JSON.stringify( info ) } ).catch( err => {
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console.error( err );
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} );
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resolve( 'ok' );
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}
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}
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} else if ( call === 'deselectTicket' ) {
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// TODO: probably rewrite from scratch
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db.getDataSimple( 'temp', 'user_id', session.id ).then( dat => {
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let transmit = {};
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if ( dat[ 0 ] ) {
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transmit = JSON.parse( dat[ 0 ].data );
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if ( transmit[ data.eventID ] ) {
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if ( transmit[ data.eventID ][ data.id ] ) {
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delete transmit[ data.eventID ][ data.id ];
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} else {
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reject( { 'code': 404, 'message': 'ERR_DATA_NOT_FOUND' } );
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}
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if ( Object.keys( transmit[ data.eventID ] ).length < 1 ) {
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delete transmit[ data.eventID ];
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}
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} else {
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reject( { 'code': 404, 'message': 'ERR_DATA_NOT_FOUND' } );
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}
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const allSeats = this.allSelectedSeats[ data.eventID ];
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for ( let seat in allSeats ) {
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if ( allSeats[ seat ].component === data.component ) {
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if ( allSeats[ seat ].id === data.id ) {
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delete this.allSelectedSeats[ data.eventID ][ seat ];
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}
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}
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}
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} else {
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reject( { 'code': 404, 'message': 'ERR_DATA_NOT_FOUND' } );
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return;
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}
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db.writeDataSimple( 'temp', 'user_id', session.id, { 'user_id': session.id, 'data': JSON.stringify( transmit ) } ).then( () => {
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resolve( 'ok' );
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} ).catch( error => {
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console.error( error );
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reject( { 'code': 500, 'message': 'ERR_DB' } );
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} );
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} ).catch( error => {
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console.error( error );
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reject( { 'code': 500, 'message': 'ERR_DB' } );
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} );
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} else if ( call === 'resetPW' ) {
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pwHandler.resetPassword( data.email ).then( () => {
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resolve( 'ok' );
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} ).catch( error => {
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if ( error.code ) {
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reject( error );
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} else {
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reject( { 'code': 500, 'message': error } );
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}
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} );
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} else {
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reject( { 'code': 404, 'message': 'Route not found' } );
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}
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} );
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}
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getReservedSeats ( event ) {
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return this.allSelectedSeats[ event ] ? Object.values( this.allSelectedSeats[ event ] ) : {};
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}
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getFreeSeatsCount() {
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return this.ticketTotals;
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}
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}
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module.exports = POSTHandler; |