fix ad flooding bug

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.19.2
+* Fixed a bug that could lead to ad flooding if the client experienced frequent connection drops
+
 ## 1.19.1
 * Performance improvement for players who connect multiple characters at the same time
 * Limit max height of the status message banner on character profile 

chat/ads/ConversationAdSettings.vue

@@ -62,6 +62,7 @@
                 ...this.conversation.settings,
 
                 adSettings: {
+                  ...this.conversation.settings.adSettings,
                   ads: this.ads.map((ad: string) => ad.trim()).filter((ad: string) => (ad.length > 0)),
                   randomOrder: this.randomOrder
                 }

chat/ads/ad-manager.ts

@@ -107,7 +107,11 @@ export class AdManager {
             Math.random() * AdManager.POST_VARIANCE;
 
         this.adIndex = this.adIndex + 1;
-        this.nextPostDue = new Date(Date.now() + nextInMs);
+
+        this.nextPostDue = new Date(Math.max(
+          Date.now() + nextInMs,
+          chanConv.settings.adSettings.lastAdTimestamp + (core.connection.vars.lfrp_flood * 1000)
+        ));
 
         // tslint:disable-next-line: no-unnecessary-type-assertion
         this.interval = setTimeout(
@@ -165,7 +169,12 @@ export class AdManager {
 
         this.adIndex = 0;
         this.active = true;
-        this.nextPostDue = new Date(Date.now() + initialWait);
+
+        this.nextPostDue = new Date(Math.max(
+            Date.now() + initialWait,
+            this.conversation.settings.adSettings.lastAdTimestamp + (core.connection.vars.lfrp_flood * 1000)
+        ));
+
         this.expireDue = new Date(Date.now() + AdManager.POSTING_PERIOD);
         this.adMap = this.generateAdMap();
 

chat/common.ts

@@ -100,6 +100,7 @@ export class Settings implements ISettings {
 export class AdSettings implements Conversation.AdSettings {
     ads: string[] = [];
     randomOrder = false;
+    lastAdTimestamp = 0;
 }
 
 
@@ -109,7 +110,7 @@ export class ConversationSettings implements Conversation.Settings {
     highlightWords: string[] = [];
     joinMessages = Conversation.Setting.Default;
     defaultHighlights = true;
-    adSettings: Conversation.AdSettings = { ads: [], randomOrder: false };
+    adSettings: Conversation.AdSettings = { ads: [], randomOrder: false, lastAdTimestamp: 0 };
 }
 
 function pad(num: number): string | number {

chat/conversations.ts

@@ -484,6 +484,8 @@ class ChannelConversation extends Conversation implements Interfaces.ChannelConv
                 );
 
                 this.nextAd = Date.now() + core.connection.vars.lfrp_flood * 1000;
+
+                this.settings.adSettings.lastAdTimestamp = Date.now();
             }
         );
     }

chat/interfaces.ts

@@ -113,6 +113,7 @@ export namespace Conversation {
     export interface AdSettings {
         readonly ads: string[];
         readonly randomOrder: boolean;
+        lastAdTimestamp: number;
     }
 
     export const enum UnreadState { None, Unread, Mention }