[MM-40638] Type all of the websocket event names as a new type WebsocketEventType (#25454)

Co-authored-by: Sudheer Tripathi <sudheer@clearglass.com>
Co-authored-by: Sudheer Tripathi <31629433+sudheer121@users.noreply.github.com>
Co-authored-by: Sudheer Tripathi <tripathisudheer604@gmail.com>

server/channels/app/platform/cluster.go

@@ -76,7 +76,7 @@ func (ps *PlatformService) PublishPluginClusterEvent(productID string, ev model.
 }
 
 func (ps *PlatformService) PublishWebSocketEvent(productID string, event string, payload map[string]any, broadcast *model.WebsocketBroadcast) {
-	ev := model.NewWebSocketEvent(fmt.Sprintf("custom_%v_%v", productID, event), "", "", "", nil, "")
+	ev := model.NewWebSocketEvent(model.WebsocketEventType(fmt.Sprintf("custom_%v_%v", productID, event)), "", "", "", nil, "")
 	ev = ev.SetBroadcast(broadcast).SetData(payload)
 	ps.Publish(ev)
 }

server/channels/app/platform/config_test.go

@@ -79,7 +79,7 @@ func TestConfigSave(t *testing.T) {
 		defer th.TearDown()
 
 		metricsMock := &mocks.MetricsInterface{}
-		metricsMock.On("IncrementWebsocketEvent", mock.AnythingOfType("string")).Return()
+		metricsMock.On("IncrementWebsocketEvent", model.WebsocketEventConfigChanged).Return()
 		metricsMock.On("IncrementWebSocketBroadcastBufferSize", mock.AnythingOfType("string"), mock.AnythingOfType("float64")).Return()
 		metricsMock.On("DecrementWebSocketBroadcastBufferSize", mock.AnythingOfType("string"), mock.AnythingOfType("float64")).Return()
 		metricsMock.On("Register").Return()

server/channels/app/platform/shared_channel_notifier.go

@@ -11,10 +11,11 @@ import (
 
 	"github.com/mattermost/mattermost/server/public/model"
 	"github.com/mattermost/mattermost/server/public/shared/mlog"
+	"github.com/mattermost/mattermost/server/public/utils"
 	"github.com/mattermost/mattermost/server/v8/platform/services/sharedchannel"
 )
 
-var sharedChannelEventsForSync model.StringArray = []string{
+var sharedChannelEventsForSync = []model.WebsocketEventType{
 	model.WebsocketEventPosted,
 	model.WebsocketEventPostEdited,
 	model.WebsocketEventPostDeleted,
@@ -22,7 +23,7 @@ var sharedChannelEventsForSync model.StringArray = []string{
 	model.WebsocketEventReactionRemoved,
 }
 
-var sharedChannelEventsForInvitation model.StringArray = []string{
+var sharedChannelEventsForInvitation = []model.WebsocketEventType{
 	model.WebsocketEventDirectAdded,
 }
 
@@ -39,7 +40,7 @@ func (ps *PlatformService) SharedChannelSyncHandler(event *model.WebSocketEvent)
 		if err != nil {
 			mlog.Warn(
 				err.Error(),
-				mlog.String("event", event.EventType()),
+				mlog.String("event", string(event.EventType())),
 				mlog.String("action", "content_sync"),
 			)
 		}
@@ -48,17 +49,17 @@ func (ps *PlatformService) SharedChannelSyncHandler(event *model.WebSocketEvent)
 		if err != nil {
 			mlog.Warn(
 				err.Error(),
-				mlog.String("event", event.EventType()),
+				mlog.String("event", string(event.EventType())),
 				mlog.String("action", "invitation"),
 			)
 		}
 	}
 }
 
-func isEligibleForEvents(syncService SharedChannelServiceIFace, event *model.WebSocketEvent, events model.StringArray) bool {
+func isEligibleForEvents(syncService SharedChannelServiceIFace, event *model.WebSocketEvent, events []model.WebsocketEventType) bool {
 	return syncServiceEnabled(syncService) &&
 		eventHasChannel(event) &&
-		events.Contains(event.EventType())
+		utils.Contains(events, event.EventType())
 }
 
 func eventHasChannel(event *model.WebSocketEvent) bool {

server/channels/app/platform/web_broadcast_hook.go

@@ -54,7 +54,7 @@ func (he *HookedWebSocketEvent) Add(key string, value any) {
 	he.copy.Add(key, value)
 }
 
-func (he *HookedWebSocketEvent) EventType() string {
+func (he *HookedWebSocketEvent) EventType() model.WebsocketEventType {
 	if he.copy == nil {
 		return he.original.EventType()
 	}

server/channels/app/platform/web_conn.go

@@ -477,7 +477,7 @@ func (wc *WebConn) writePump() {
 				logData := []mlog.Field{
 					mlog.String("user_id", wc.UserId),
 					mlog.String("conn_id", wc.GetConnectionID()),
-					mlog.String("type", msg.EventType()),
+					mlog.String("type", string(msg.EventType())),
 					mlog.Int("size", buf.Len()),
 				}
 				if evtOk {
@@ -735,7 +735,7 @@ func (wc *WebConn) ShouldSendEvent(msg *model.WebSocketEvent) bool {
 					"websocket.slow: dropping message",
 					mlog.String("user_id", wc.UserId),
 					mlog.String("conn_id", wc.GetConnectionID()),
-					mlog.String("type", msg.EventType()),
+					mlog.String("type", string(msg.EventType())),
 				)
 				// Reset timer to now.
 				wc.lastLogTimeSlow = time.Now()

server/channels/app/platform/websocket_router.go

@@ -36,7 +36,7 @@ func (wr *WebSocketRouter) ServeWebSocket(conn *WebConn, r *model.WebSocketReque
 		return
 	}
 
-	if r.Action == model.WebsocketAuthenticationChallenge {
+	if r.Action == string(model.WebsocketAuthenticationChallenge) {
 		if conn.GetSessionToken() != "" {
 			return
 		}