Storage: use worker threads message passing to store performance records from

[e-mobility-charging-stations-simulator.git] / src / utils / Utils.ts

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index 1a0d7b70c1fb26feea3e95886b2ea0c4d4fb1126..74abb7822b4c73ab5efd947fa5a397b0a23075cb 100644 (file)
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -4,6 +4,10 @@ import { WorkerProcessType } from '../types/Worker';
 import { v4 as uuid } from 'uuid';
 
 export default class Utils {
+  static logPrefix(prefixString = ''): string {
+    return new Date().toLocaleString() + prefixString;
+  }
+
   static generateUUID(): string {
     return uuid();
   }
@@ -36,7 +40,7 @@ export default class Utils {
     }
   }
 
-  static convertToDate(value): Date {
+  static convertToDate(value: any): Date {
     // Check
     if (!value) {
       return value;
@@ -48,36 +52,36 @@ export default class Utils {
     return value;
   }
 
-  static convertToInt(value): number {
-    let changedValue = value;
+  static convertToInt(value: any): number {
+    let changedValue: number = value;
     if (!value) {
       return 0;
     }
     if (Number.isSafeInteger(value)) {
-      return value;
+      return value as number;
     }
     // Check
-    if (typeof value === 'string') {
+    if (Utils.isString(value)) {
       // Create Object
       changedValue = parseInt(value);
     }
     return changedValue;
   }
 
-  static convertToFloat(value): number {
-    let changedValue = value;
+  static convertToFloat(value: any): number {
+    let changedValue: number = value;
     if (!value) {
       return 0;
     }
     // Check
-    if (typeof value === 'string') {
+    if (Utils.isString(value)) {
       // Create Object
       changedValue = parseFloat(value);
     }
     return changedValue;
   }
 
-  static convertToBoolean(value): boolean {
+  static convertToBoolean(value: any): boolean {
     let result = false;
     // Check boolean
     if (value) {
@@ -104,14 +108,14 @@ export default class Utils {
     return Math.floor(Math.random() * max + 1);
   }
 
-  static roundTo(number: number, scale: number): number {
+  static roundTo(numberValue: number, scale: number): number {
     const roundPower = Math.pow(10, scale);
-    return Math.round(number * roundPower) / roundPower;
+    return Math.round(numberValue * roundPower) / roundPower;
   }
 
-  static truncTo(number: number, scale: number): number {
+  static truncTo(numberValue: number, scale: number): number {
     const truncPower = Math.pow(10, scale);
-    return Math.trunc(number * truncPower) / truncPower;
+    return Math.trunc(numberValue * truncPower) / truncPower;
   }
 
   static getRandomFloatRounded(max: number, min = 0, scale = 2): number {
@@ -121,23 +125,26 @@ export default class Utils {
     return Utils.roundTo(Utils.getRandomFloat(max), scale);
   }
 
-  static logPrefix(prefixString = ''): string {
-    const date = new Date();
-    return date.toLocaleString() + prefixString;
+  static getRandomFloatFluctuatedRounded(staticValue: number, fluctuationPercent: number, scale = 2): number {
+    if (fluctuationPercent === 0) {
+      return Utils.roundTo(staticValue, scale);
+    }
+    const fluctuationRatio = fluctuationPercent / 100;
+    return Utils.getRandomFloatRounded(staticValue * (1 + fluctuationRatio), staticValue * (1 - fluctuationRatio), scale);
   }
 
   static cloneObject<T>(object: T): T {
     return JSON.parse(JSON.stringify(object)) as T;
   }
 
-  static isIterable(obj): boolean {
+  static isIterable<T>(obj: T): boolean {
     if (obj) {
       return typeof obj[Symbol.iterator] === 'function';
     }
     return false;
   }
 
-  static isEmptyJSon(document): boolean {
+  static isEmptyJSon(document: any): boolean {
     // Empty?
     if (!document) {
       return true;
@@ -150,15 +157,15 @@ export default class Utils {
     return Object.keys(document).length === 0;
   }
 
-  static isString(value): boolean {
+  static isString(value: any): boolean {
     return typeof value === 'string';
   }
 
-  static isUndefined(value): boolean {
+  static isUndefined(value: any): boolean {
     return typeof value === 'undefined';
   }
 
-  static isNullOrUndefined(value): boolean {
+  static isNullOrUndefined(value: any): boolean {
     // eslint-disable-next-line no-eq-null, eqeqeq
     if (value == null) {
       return true;
@@ -166,7 +173,7 @@ export default class Utils {
     return false;
   }
 
-  static isEmptyArray(object): boolean {
+  static isEmptyArray(object: any): boolean {
     if (!object) {
       return true;
     }
@@ -176,15 +183,15 @@ export default class Utils {
     return true;
   }
 
-  static isEmptyObject(obj): boolean {
+  static isEmptyObject(obj: any): boolean {
     return !Object.keys(obj).length;
   }
 
   static insertAt = (str: string, subStr: string, pos: number): string => `${str.slice(0, pos)}${subStr}${str.slice(pos)}`;
 
   /**
-   * @param  {number} [retryNumber=0]
-   * @returns {number} - delay in milliseconds
+   * @param [retryNumber=0]
+   * @returns delay in milliseconds
    */
   static exponentialDelay(retryNumber = 0): number {
     const delay = Math.pow(2, retryNumber) * 100;
@@ -192,6 +199,12 @@ export default class Utils {
     return delay + randomSum;
   }
 
+  /**
+   * Convert websocket error code to human readable string message
+   *
+   * @param code websocket error code
+   * @returns human readable string message
+   */
   static getWebSocketCloseEventStatusString(code: number): string {
     if (code >= 0 && code <= 999) {
       return '(Unused)';