src/utils/Configuration.ts

   1 import ConfigurationData, { StationTemplateURL } from '../types/ConfigurationData';
   2
   3 import fs from 'fs';
   4
   5 export default class Configuration {
   6   private static configuration: ConfigurationData;
   7
   8   static getStatisticsDisplayInterval(): number {
   9     // Read conf
  10     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'statisticsDisplayInterval') ? Configuration.getConfig().statisticsDisplayInterval : 60;
  11   }
  12
  13   static getConnectionTimeout(): number {
  14     Configuration.deprecateConfigurationKey('autoReconnectTimeout', 'Use \'connectionTimeout\' in charging station instead');
  15     Configuration.deprecateConfigurationKey('connectionTimeout', 'Use it in charging station template instead');
  16     // Read conf
  17     if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'connectionTimeout')) {
  18       return Configuration.getConfig().connectionTimeout;
  19     }
  20   }
  21
  22   static getAutoReconnectMaxRetries(): number {
  23     Configuration.deprecateConfigurationKey('autoReconnectMaxRetries', 'Use it in charging station template instead');
  24     // Read conf
  25     if (Configuration.objectHasOwnProperty(Configuration.getConfig(), 'autoReconnectMaxRetries')) {
  26       return Configuration.getConfig().autoReconnectMaxRetries;
  27     }
  28   }
  29
  30   static getStationTemplateURLs(): StationTemplateURL[] {
  31     Configuration.getConfig().stationTemplateURLs.forEach((stationURL: StationTemplateURL) => {
  32       if (!Configuration.isUndefined(stationURL['numberOfStation'])) {
  33         console.error(`Deprecated configuration key 'numberOfStation' usage for template file '${stationURL.file}' in 'stationTemplateURLs'. Use 'numberOfStations' instead`);
  34       }
  35     });
  36     // Read conf
  37     return Configuration.getConfig().stationTemplateURLs;
  38   }
  39
  40   static useWorkerPool(): boolean {
  41     return Configuration.getConfig().useWorkerPool;
  42   }
  43
  44   static getWorkerPoolSize(): number {
  45     return Configuration.getConfig().workerPoolSize;
  46   }
  47
  48   static getChargingStationsPerWorker(): number {
  49     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'chargingStationsPerWorker') ? Configuration.getConfig().chargingStationsPerWorker : 1;
  50   }
  51
  52   static getLogConsole(): boolean {
  53     Configuration.deprecateConfigurationKey('consoleLog', 'Use \'logConsole\' instead');
  54     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logConsole') ? Configuration.getConfig().logConsole : false;
  55   }
  56
  57   static getLogFormat(): string {
  58     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFormat') ? Configuration.getConfig().logFormat : 'simple';
  59   }
  60
  61   static getLogRotate(): boolean {
  62     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logRotate') ? Configuration.getConfig().logRotate : true;
  63   }
  64
  65   static getLogMaxFiles(): number {
  66     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logMaxFiles') ? Configuration.getConfig().logMaxFiles : 7;
  67   }
  68
  69   static getLogLevel(): string {
  70     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logLevel') ? Configuration.getConfig().logLevel : 'info';
  71   }
  72
  73   static getLogFile(): string {
  74     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logFile') ? Configuration.getConfig().logFile : 'combined.log';
  75   }
  76
  77   static getLogErrorFile(): string {
  78     Configuration.deprecateConfigurationKey('errorFile', 'Use \'logErrorFile\' instead');
  79     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'logErrorFile') ? Configuration.getConfig().logErrorFile : 'error.log';
  80   }
  81
  82   static getSupervisionURLs(): string[] {
  83     // Read conf
  84     return Configuration.getConfig().supervisionURLs;
  85   }
  86
  87   static getDistributeStationsToTenantsEqually(): boolean {
  88     Configuration.deprecateConfigurationKey('distributeStationToTenantEqually', 'Use \'distributeStationsToTenantsEqually\' instead');
  89     return Configuration.objectHasOwnProperty(Configuration.getConfig(), 'distributeStationsToTenantsEqually') ? Configuration.getConfig().distributeStationsToTenantsEqually : true;
  90   }
  91
  92   private static deprecateConfigurationKey(key: string, logMsgToAppend = '') {
  93     if (!Configuration.isUndefined(Configuration.getConfig()[key])) {
  94       console.error(`Deprecated configuration key '${key}' usage${logMsgToAppend && '. ' + logMsgToAppend}`);
  95     }
  96   }
  97
  98   // Read the config file
  99   private static getConfig(): ConfigurationData {
 100     if (!Configuration.configuration) {
 101       Configuration.configuration = JSON.parse(fs.readFileSync('./src/assets/config.json', 'utf8')) as ConfigurationData;
 102     }
 103     return Configuration.configuration;
 104   }
 105
 106   private static objectHasOwnProperty(object: any, property: string): boolean {
 107     return Object.prototype.hasOwnProperty.call(object, property) as boolean;
 108   }
 109
 110   private static isUndefined(obj: any): boolean {
 111     return typeof obj === 'undefined';
 112   }
 113 }