Strong type protocols payloads

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

diff --git a/src/utils/Utils.ts b/src/utils/Utils.ts
index 8a89b578c0e76acaa2e0343e7bc6a68d5c04d4ff..fb8aebfe0dae72f3415c3ab9f7c9d3cb08e68471 100644 (file)
--- a/src/utils/Utils.ts
+++ b/src/utils/Utils.ts
@@ -14,31 +14,32 @@ export default class Utils {
   }
 
   public static async sleep(milliSeconds: number): Promise<NodeJS.Timeout> {
-    return new Promise((resolve) => setTimeout(resolve, milliSeconds));
+    return new Promise((resolve) => setTimeout(resolve as () => void, milliSeconds));
   }
 
-  public static secondsToHHMMSS(seconds: number): string {
-    return Utils.milliSecondsToHHMMSS(seconds * 1000);
-  }
+  public static formatDurationMilliSeconds(duration: number): string {
+    duration = Utils.convertToInt(duration);
+    const hours = Math.floor(duration / (3600 * 1000));
+    const minutes = Math.floor((duration / 1000 - (hours * 3600)) / 60);
+    const seconds = duration / 1000 - (hours * 3600) - (minutes * 60);
+    let hoursStr = hours.toString();
+    let minutesStr = minutes.toString();
+    let secondsStr = seconds.toString();
 
-  public static milliSecondsToHHMMSS(milliSeconds: number): string {
-    return new Date(milliSeconds).toISOString().substr(11, 8);
+    if (hours < 10) {
+      hoursStr = '0' + hours.toString();
+    }
+    if (minutes < 10) {
+      minutesStr = '0' + minutes.toString();
+    }
+    if (seconds < 10) {
+      secondsStr = '0' + seconds.toString();
+    }
+    return hoursStr + ':' + minutesStr + ':' + secondsStr.substring(0, 6);
   }
 
-  public static removeExtraEmptyLines(tab: string[]): void {
-    // Start from the end
-    for (let i = tab.length - 1; i > 0; i--) {
-      // Two consecutive empty lines?
-      if (tab[i].length === 0 && tab[i - 1].length === 0) {
-        // Remove the last one
-        tab.splice(i, 1);
-      }
-      // Check last line
-      if (i === 1 && tab[i - 1].length === 0) {
-        // Remove the first one
-        tab.splice(i - 1, 1);
-      }
-    }
+  public static formatDurationSeconds(duration: number): string {
+    return Utils.formatDurationMilliSeconds(duration * 1000);
   }
 
   public static convertToDate(value: unknown): Date {
@@ -98,12 +99,25 @@ export default class Utils {
     return result;
   }
 
-  public static getRandomFloat(max: number, min = 0): number {
-    return (crypto.randomBytes(4).readUInt32LE() / 0xffffffff) * (max - min) + min;
+  public static getRandomFloat(max: number, min = 0, negative = false): number {
+    if (max < min || min < 0 || max < 0) {
+      throw new RangeError('Invalid interval');
+    }
+    const randomPositiveFloat = crypto.randomBytes(4).readUInt32LE() / 0xffffffff;
+    const sign = (negative && randomPositiveFloat < 0.5) ? -1 : 1;
+    return sign * (randomPositiveFloat * (max - min) + min);
   }
 
-  public static getRandomInt(max: number, min = 0): number {
+  public static getRandomInteger(max: number, min = 0): number {
+    if (max < 0) {
+      throw new RangeError('Invalid interval');
+    }
+    max = Math.floor(max);
     if (min) {
+      if (max < min || min < 0) {
+        throw new RangeError('Invalid interval');
+      }
+      min = Math.ceil(min);
       return Math.floor(Utils.secureRandom() * (max - min + 1)) + min;
     }
     return Math.floor(Utils.secureRandom() * (max + 1));
@@ -145,19 +159,6 @@ export default class Utils {
     return false;
   }
 
-  public static isEmptyJSon(document: unknown): boolean {
-    // Empty?
-    if (!document) {
-      return true;
-    }
-    // Check type
-    if (typeof document !== 'object') {
-      return true;
-    }
-    // Check
-    return Object.keys(document).length === 0;
-  }
-
   public static isString(value: unknown): boolean {
     return typeof value === 'string';
   }
@@ -234,6 +235,24 @@ export default class Utils {
     return Configuration.getWorkerProcess() === WorkerProcessType.DYNAMIC_POOL;
   }
 
+  public static async promiseWithTimeout<T>(
+      promise: Promise<T>,
+      timeoutMs: number,
+      timeoutError: Error,
+      timeoutCallback: () => void = () => { /* This is intentional */ }
+  ): Promise<T> {
+    // Create a timeout promise that rejects in timeout milliseconds
+    const timeoutPromise = new Promise<never>((_, reject) => {
+      setTimeout(() => {
+        timeoutCallback();
+        reject(timeoutError);
+      }, timeoutMs);
+    });
+
+    // Returns a race between timeout promise and the passed promise
+    return Promise.race<T>([promise, timeoutPromise]);
+  }
+
   /**
    * Generate a cryptographically secure random number in the [0,1[ range
    *