Alert dismissals should now be fanned out to other tabs and devices listening to the alert feed.

mysql.go

@@ -53,7 +53,7 @@ func initMySQL() (err error) {
 
 	// TODO: Is there a less noisy way of doing this for tests?
 	log.Print("Preparing getActivityFeedByWatcher statement.")
-	stmts.getActivityFeedByWatcher, err = db.Prepare("SELECT activity_stream_matches.asid, activity_stream.actor, activity_stream.targetUser, activity_stream.event, activity_stream.elementType, activity_stream.elementID FROM `activity_stream_matches` INNER JOIN `activity_stream` ON activity_stream_matches.asid = activity_stream.asid AND activity_stream_matches.watcher != activity_stream.actor WHERE `watcher` = ? ORDER BY activity_stream.asid DESC LIMIT 8")
+	stmts.getActivityFeedByWatcher, err = db.Prepare("SELECT activity_stream_matches.asid, activity_stream.actor, activity_stream.targetUser, activity_stream.event, activity_stream.elementType, activity_stream.elementID FROM `activity_stream_matches` INNER JOIN `activity_stream` ON activity_stream_matches.asid = activity_stream.asid AND activity_stream_matches.watcher != activity_stream.actor WHERE `watcher` = ? ORDER BY activity_stream.asid DESC LIMIT 16")
 	if err != nil {
 		return errors.WithStack(err)
 	}

public/global.js

@@ -51,10 +51,8 @@ function addAlert(msg, notice = false) {
 		Avatar: msg.avatar || "",
 		Message: mmsg
 	})
-
 	alertMapping[msg.asid] = aItem;
 	alertList.push(msg.asid);
-	if(alertList.length > 8) alertList.shift();
 
 	if(notice) {
 		// TODO: Add some sort of notification queue to avoid flooding the end-user with notices?
@@ -206,15 +204,32 @@ function runWebSockets() {
 				wsAlertEvent(data);
 			} else if("event" in data) {
 				if(data.event == "dismiss-alert"){
-					Object.keys(alertBuffer).forEach((key) => {
+					Object.keys(alertMapping).forEach((key) => {
 						if(key==data.asid) {
 							alertCount--;
+							let index = -1;
 							for(var i = 0; i < alertList.length; i++) {
 								if(alertList[i]==key) {
-									alertList.splice(i);
+									alertList[i] = 0;
+									index = i;
 								}
 							}
+
+							for(var i = index; (i+1) < alertList.length; i++) {
+								alertList[i] = alertList[i+1];
+							}
+							alertList.splice(alertList.length-1,1);
 							delete alertMapping[key];
+
+							
+
+							// TODO: Add support for other alert feeds like PM Alerts
+							var generalAlerts = document.getElementById("general_alerts");
+							if(alertList.length < 8) {
+								loadAlerts(generalAlerts);
+							} else {
+								updateAlertList(generalAlerts);
+							}
 						}
 					});
 				}

routes.go

@@ -48,10 +48,18 @@ func routeAPI(w http.ResponseWriter, r *http.Request, user common.User) common.R
 		if err != nil {
 			return common.PreErrorJS("Invalid asid", w, r)
 		}
-		_, err = stmts.deleteActivityStreamMatch.Exec(user.ID, asid)
+		res, err := stmts.deleteActivityStreamMatch.Exec(user.ID, asid)
 		if err != nil {
 			return common.InternalError(err, w, r)
 		}
+		count, err := res.RowsAffected()
+		if err != nil {
+			return common.InternalError(err, w, r)
+		}
+		// Don't want to throw an internal error due to a socket closing
+		if common.EnableWebsockets && count > 0 {
+			_ = common.WsHub.PushMessage(user.ID, `{"event":"dismiss-alert","asid":`+strconv.Itoa(asid)+`}`)
+		}
 	case "alerts": // A feed of events tailored for a specific user
 		if !user.Loggedin {
 			w.Write(phraseLoginAlerts)