Make statistics class a singleton.

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

diff --git a/src/utils/Utils.js b/src/utils/Utils.js
index e85090d49626156d4e2fdb913781762448bdcc8a..bd8c80368d82169aabc69a1dfca01781fb5007ce 100644 (file)
--- a/src/utils/Utils.js
+++ b/src/utils/Utils.js
@@ -1,7 +1,7 @@
 const {v4: uuid} = require('uuid');
 
 class Utils {
-  static generateGUID() {
+  static generateUUID() {
     return uuid();
   }
 
@@ -15,18 +15,6 @@ class Utils {
     return date.toISOString().substr(11, 8);
   }
 
-  static convertToDate(date) {
-    // Check
-    if (!date) {
-      return date;
-    }
-    // Check Type
-    if (!(date instanceof Date)) {
-      return new Date(date);
-    }
-    return date;
-  }
-
   static isIterable(obj) {
     if (obj) {
       return typeof obj[Symbol.iterator] === 'function';
@@ -63,6 +51,18 @@ class Utils {
     }
   }
 
+  static convertToDate(date) {
+    // Check
+    if (!date) {
+      return date;
+    }
+    // Check Type
+    if (!(date instanceof Date)) {
+      return new Date(date);
+    }
+    return date;
+  }
+
   static convertToObjectID(id) {
     let changedID = id;
     // Check
@@ -74,30 +74,33 @@ class Utils {
     return changedID;
   }
 
-  static convertToInt(id) {
-    let changedID = id;
-    if (!id) {
+  static convertToInt(value) {
+    let changedValue = value;
+    if (!value) {
       return 0;
     }
+    if (Number.isSafeInteger(value)) {
+      return value;
+    }
     // Check
-    if (typeof id === 'string') {
+    if (typeof value === 'string') {
       // Create Object
-      changedID = parseInt(id);
+      changedValue = parseInt(value);
     }
-    return changedID;
+    return changedValue;
   }
 
-  static convertToFloat(id) {
-    let changedID = id;
-    if (!id) {
+  static convertToFloat(value) {
+    let changedValue = value;
+    if (!value) {
       return 0;
     }
     // Check
-    if (typeof id === 'string') {
+    if (typeof value === 'string') {
       // Create Object
-      changedID = parseFloat(id);
+      changedValue = parseFloat(value);
     }
-    return changedID;
+    return changedValue;
   }
 
   static convertToBoolean(value) {
@@ -116,16 +119,65 @@ class Utils {
     return result;
   }
 
-  static getRandomInt(max, min) {
+  static getRandomFloat(max, min = 0) {
+    if (min) {
+      return Math.random() * (max - min + 1) + min;
+    }
+    return Math.random() * max + 1;
+  }
+
+  static getRandomInt(max, min = 0) {
+    if (min) {
+      return Math.floor(Utils.getRandomFloat(max, min));
+    }
+    return Math.floor(Utils.getRandomFloat(max));
+  }
+
+  static roundTo(number, scale) {
+    return Utils.convertToFloat(number.toFixed(scale));
+  }
+
+  static getRandomFloatRounded(max, min = 0, scale = 2) {
     if (min) {
-      return Math.floor((Math.random() * (max - min)) + min);
+      return Utils.roundTo(Utils.getRandomFloat(max, min), scale);
     }
-    return Math.floor((Math.random() * max));
+    return Utils.roundTo(Utils.getRandomFloat(max), scale);
   }
 
-  static basicFormatLog(prefixString = '') {
+  static logPrefix(prefixString = '') {
     const date = new Date();
-    return date.toISOString().substr(0, 19) + prefixString;
+    return date.toLocaleString() + prefixString;
+  }
+
+  static objectHasOwnProperty(object, property) {
+    return Object.prototype.hasOwnProperty.call(object, property);
+  }
+
+  static cloneJSonDocument(jsonDocument) {
+    return JSON.parse(JSON.stringify(jsonDocument));
+  }
+
+  static isString(value) {
+    return typeof value === 'string';
+  }
+
+  static isUndefined(value) {
+    return typeof value === 'undefined';
+  }
+
+  static isNullOrUndefined(value) {
+    // eslint-disable-next-line eqeqeq
+    if (value == null) {
+      return true;
+    }
+    return false;
+  }
+
+  static isEmptyArray(object) {
+    if (Array.isArray(object) && object.length > 0) {
+      return false;
+    }
+    return true;
   }
 }