Add retry in indication to TooManyRequests http error

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wms-core",
-  "version": "0.2.10",
+  "version": "0.2.11",
   "description": "Node web framework",
   "repository": "git@gitlab.com:ArisuOngaku/wms-core.git",
   "author": "Alice Gaudon <alice@gaudon.pro>",

src/HttpError.ts

@@ -59,10 +59,10 @@ export class NotFoundHttpError extends BadRequestError {
 }
 
 export class TooManyRequestsHttpError extends BadRequestError {
-    constructor(cause?: Error) {
+    constructor(retryIn: number, cause?: Error) {
         super(
             `You're making too many requests!`,
-            `We need some rest.`,
+            `We need some rest. Please retry in ${Math.floor(retryIn / 1000)} seconds.`,
             '',
             cause
         );

src/Throttler.ts

@@ -54,7 +54,7 @@ class Throttle {
         let currentDate = new Date().getTime();
 
         if (trigger.jailed && currentDate - trigger.jailed < this.jailPeriod) {
-            this.throw();
+            this.throw((trigger.jailed + this.jailPeriod) - currentDate);
             return;
         }
 
@@ -71,12 +71,12 @@ class Throttle {
 
         if (trigger.count > this.max) {
             trigger.jailed = currentDate;
-            this.throw();
+            this.throw((trigger.jailed + this.jailPeriod) - currentDate);
             return;
         }
     }
 
-    private throw() {
-        throw new TooManyRequestsHttpError();
+    private throw(unjailedIn: number) {
+        throw new TooManyRequestsHttpError(unjailedIn);
     }
 }