add hub event sending

packages/Enums/WsEventType/WsMessageFrom.go

@@ -7,11 +7,22 @@ const (
 	DirectMessage
 	ConnectionCreated
 	ConnectionDeleted
+	ConnectionElevatePending
 	ConnectionElevated
 	ConnectionDeElevated
 	UserProfileChange
 	UserAvatarChange
 	UserProfileBgChange
+	HubUserJoin
 	HubMessage
-	ConnectionElevatePending
+	HubUpdate
+	HubRemove
+	HubUserUpdate
+	HubUserRemove
+	HubRoleCreate
+	HubRoleRemove
+	HubRoleUpdate
+	HubChannelCreate
+	HubChannelUpdate
+	HubChannelRemove
 )

packages/httpRequest/files.go

@@ -152,6 +152,32 @@ func HandleSetUserAvatar(response http.ResponseWriter, request *http.Request) {
 		})
 	}
 
+	user.Mu.RLock()
+	hubs := slices.Collect(maps.Values(user.Hubs))
+	user.Mu.RUnlock()
+
+	for _, hub := range hubs {
+		hub.Mu.RLock()
+		hubUsers := slices.Collect(maps.Values(hub.Users))
+		hub.Mu.RUnlock()
+		for _, hubUser := range hubUsers {
+			if hubUser.OriginalId == user.Id {
+				continue
+			}
+			target, err := getUserById(ctx, hubUser.OriginalId)
+			if err != nil {
+				continue
+			}
+			wsServer.WsSendMessageCloseIfTimeout(target, &types.WsHubSpecificHubEventMessage{
+				Type:  WsEventType.UserAvatarChange,
+				HubId: hub.Id,
+				Event: &map[string]any{
+					"userId": user.Id,
+				},
+			})
+		}
+	}
+
 	response.WriteHeader(http.StatusCreated)
 }
 
@@ -273,6 +299,32 @@ func HandleSetUserProfileBg(response http.ResponseWriter, request *http.Request)
 		})
 	}
 
+	user.Mu.RLock()
+	hubs := slices.Collect(maps.Values(user.Hubs))
+	user.Mu.RUnlock()
+
+	for _, hub := range hubs {
+		hub.Mu.RLock()
+		hubUsers := slices.Collect(maps.Values(hub.Users))
+		hub.Mu.RUnlock()
+		for _, hubUser := range hubUsers {
+			if hubUser.OriginalId == user.Id {
+				continue
+			}
+			target, err := getUserById(ctx, hubUser.OriginalId)
+			if err != nil {
+				continue
+			}
+			wsServer.WsSendMessageCloseIfTimeout(target, &types.WsHubSpecificHubEventMessage{
+				Type:  WsEventType.UserProfileBgChange,
+				HubId: hub.Id,
+				Event: &map[string]any{
+					"userId": user.Id,
+				},
+			})
+		}
+	}
+
 	response.WriteHeader(http.StatusCreated)
 }
 

packages/httpRequest/hubs.go

@@ -124,6 +124,27 @@ func haveHubUserCachedPermissions(needed types.CachedUserPermissions, user *type
 	return true
 }
 
+func sendChannelUpdatesToUser(target *types.User, hub *types.Hub) {
+	hub.Mu.RLock()
+	channels := make([]*types.HubChannel, 0, len(hub.Channels))
+	for _, ch := range hub.Channels {
+		channels = append(channels, ch)
+	}
+	hub.Mu.RUnlock()
+	for _, ch := range channels {
+		ch.Mu.RLock()
+		perm, ok := ch.UsersCachedPermissions[target.Id]
+		ch.Mu.RUnlock()
+		if ok && perm.CanView() {
+			wsServer.WsSendMessageCloseIfTimeout(target, &types.WsHubSpecificHubEventMessage{
+				Type:  WsEventType.HubChannelUpdate,
+				HubId: hub.Id,
+				Event: ch,
+			})
+		}
+	}
+}
+
 func HandleHubCreate(response http.ResponseWriter, request *http.Request) {
 	if !validCheckWithResponseOnFail(response, request, normal) {
 		return
@@ -258,6 +279,13 @@ func HandleHubJoin(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusCreated)
+
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(user.Id, hub, &types.WsHubSpecificHubEventMessage{
+		Type: WsEventType.HubUserJoin,
+		Event: &map[string]any{
+			"userId": user.Id,
+		},
+	})
 }
 
 func HandleHubMessage(response http.ResponseWriter, request *http.Request) {
@@ -292,10 +320,6 @@ func HandleHubMessage(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 
-	channel.Mu.RLock()
-	perms := channel.UsersCachedPermissions
-	channel.Mu.RUnlock()
-
 	msg := &types.Message{
 		Id:           uuid.New(),
 		AttachedFile: attachedFile,
@@ -306,20 +330,10 @@ func HandleHubMessage(response http.ResponseWriter, request *http.Request) {
 	}
 	channel.AddMessageToBuff(msg)
 
-	for permId, perm := range perms {
+	wsServer.WsSendEventMessageToPermittedChannelUsersCloseIfTimeout(user.Id, channel, types.CachedUserCanReadHistory, &types.WsEventMessage{
-		if !perm.CanReadHistory() {
+		Type:  WsEventType.HubMessage,
-			continue
+		Event: msg,
-		}
+	})
-
-		target, err := cache.GetUserById(permId)
-		if err != nil {
-			continue
-		}
-		wsServer.WsSendMessageCloseIfTimeout(target, &types.WsEventMessage{
-			Type:  WsEventType.HubMessage,
-			Event: msg,
-		})
-	}
 	response.WriteHeader(http.StatusCreated)
 }
 
@@ -552,7 +566,7 @@ func hubPermissionContext(response http.ResponseWriter, request *http.Request, r
 }
 
 func HandleHubSetName(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetHubName)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetHubName)
 	if !ok {
 		return
 	}
@@ -567,10 +581,14 @@ func HandleHubSetName(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUpdate,
+		Event: &map[string]any{"name": newName},
+	})
 }
 
 func HandleHubSetColor(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetHubColor)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetHubColor)
 	if !ok {
 		return
 	}
@@ -585,10 +603,14 @@ func HandleHubSetColor(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUpdate,
+		Event: &map[string]any{"color": color},
+	})
 }
 
 func HandleHubRemove(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveHub)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveHub)
 	if !ok {
 		return
 	}
@@ -596,12 +618,15 @@ func HandleHubRemove(response http.ResponseWriter, request *http.Request) {
 		http.Error(response, "db error", http.StatusInternalServerError)
 		return
 	}
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type: WsEventType.HubRemove,
+	})
 	cache.DeleteHub(hub)
 	response.WriteHeader(http.StatusAccepted)
 }
 
 func HandleHubToggleUserColorAllowed(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetUserColorAllowed)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetUserColorAllowed)
 	if !ok {
 		return
 	}
@@ -611,10 +636,14 @@ func HandleHubToggleUserColorAllowed(response http.ResponseWriter, request *http
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUpdate,
+		Event: &map[string]any{"userColorAllowed": hub.UserColorAllowed},
+	})
 }
 
 func HandleSetHubJoinRole(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetHubJoinRole)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetHubJoinRole)
 	if !ok {
 		return
 	}
@@ -634,10 +663,14 @@ func HandleSetHubJoinRole(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUpdate,
+		Event: &map[string]any{"joinRole": newRole},
+	})
 }
 
 func HandleHubUserRemove(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveUser)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveUser)
 	if !ok {
 		return
 	}
@@ -677,10 +710,19 @@ func HandleHubUserRemove(response http.ResponseWriter, request *http.Request) {
 	hub.Mu.Unlock()
 	updateChannelCacheForSpecUser(hubTarget, hub)
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserRemove,
+		Event: &map[string]any{"userId": targetId},
+	})
+	wsServer.WsSendMessageCloseIfTimeout(target, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserRemove,
+		HubId: hub.Id,
+		Event: &map[string]any{"userId": targetId},
+	})
 }
 
 func HandleHubRenameUser(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionRenameUser)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionRenameUser)
 	if !ok {
 		return
 	}
@@ -708,6 +750,10 @@ func HandleHubRenameUser(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserUpdate,
+		Event: target,
+	})
 }
 
 func HandleHubRenameSelf(response http.ResponseWriter, request *http.Request) {
@@ -721,10 +767,14 @@ func HandleHubRenameSelf(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserUpdate,
+		Event: requestor,
+	})
 }
 
 func HandleHubToggleMuteUser(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionMuteUser)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionMuteUser)
 	if !ok {
 		return
 	}
@@ -751,10 +801,14 @@ func HandleHubToggleMuteUser(response http.ResponseWriter, request *http.Request
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserUpdate,
+		Event: target,
+	})
 }
 
 func HandleHubUserAddRole(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionUserAddRole)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionUserAddRole)
 	if !ok {
 		return
 	}
@@ -792,10 +846,17 @@ func HandleHubUserAddRole(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserUpdate,
+		Event: target,
+	})
+	if targetUser, err := cache.GetUserById(targetId); err == nil {
+		sendChannelUpdatesToUser(targetUser, hub)
+	}
 }
 
 func HandleHubUserRemoveRole(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionUserRemoveRole)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionUserRemoveRole)
 	if !ok {
 		return
 	}
@@ -828,10 +889,17 @@ func HandleHubUserRemoveRole(response http.ResponseWriter, request *http.Request
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserUpdate,
+		Event: target,
+	})
+	if targetUser, err := cache.GetUserById(targetId); err == nil {
+		sendChannelUpdatesToUser(targetUser, hub)
+	}
 }
 
 func HandleHubCreateRole(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionCreateRole)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionCreateRole)
 	if !ok {
 		return
 	}
@@ -868,10 +936,14 @@ func HandleHubCreateRole(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusCreated)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubRoleCreate,
+		Event: newRole,
+	})
 }
 
 func HandleHubRemoveRole(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveRole)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveRole)
 	if !ok {
 		return
 	}
@@ -902,10 +974,14 @@ func HandleHubRemoveRole(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubRoleRemove,
+		Event: &map[string]any{"roleId": targetRoleId},
+	})
 }
 
 func HandleRoleSetName(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionSetRoleName)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionSetRoleName)
 	if !ok {
 		return
 	}
@@ -938,10 +1014,14 @@ func HandleRoleSetName(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubRoleUpdate,
+		Event: role,
+	})
 }
 
 func HandleRoleSetColor(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionSetRoleColor)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, types.PermissionSetRoleColor)
 	if !ok {
 		return
 	}
@@ -974,6 +1054,10 @@ func HandleRoleSetColor(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubRoleUpdate,
+		Event: role,
+	})
 }
 
 func HandleRoleSetPermissions(response http.ResponseWriter, request *http.Request) {
@@ -990,9 +1074,9 @@ func HandleRoleSetPermissions(response http.ResponseWriter, request *http.Reques
 		http.Error(response, "target role higher in hierarchy", http.StatusForbidden)
 		return
 	}
-	hub.Mu.Lock()
+	hub.Mu.RLock()
 	targetRole := hub.Roles[targetRoleId]
-	hub.Mu.Unlock()
+	hub.Mu.RUnlock()
 	if targetRole == nil {
 		http.Error(response, "no such role", http.StatusNotFound)
 		return
@@ -1039,6 +1123,23 @@ func HandleRoleSetPermissions(response http.ResponseWriter, request *http.Reques
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubRoleUpdate,
+		Event: targetRole,
+	})
+	hub.Mu.RLock()
+	affectedHubUsers := make([]*types.HubUser, 0)
+	for _, u := range hub.Users {
+		if u.OriginalId != requestor.OriginalId && u.Roles.ContainsRoleId(targetRole.Id) {
+			affectedHubUsers = append(affectedHubUsers, u)
+		}
+	}
+	hub.Mu.RUnlock()
+	for _, u := range affectedHubUsers {
+		if targetUser, err := cache.GetUserById(u.OriginalId); err == nil {
+			sendChannelUpdatesToUser(targetUser, hub)
+		}
+	}
 }
 
 func HandleRoleSelfRemove(response http.ResponseWriter, request *http.Request) {
@@ -1053,6 +1154,13 @@ func HandleRoleSelfRemove(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToHubUsersCloseIfTimeout(requestor.OriginalId, hub, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubUserUpdate,
+		Event: requestor,
+	})
+	if selfUser, err := cache.GetUserById(requestor.OriginalId); err == nil {
+		sendChannelUpdatesToUser(selfUser, hub)
+	}
 }
 
 func HandleChannelCreate(response http.ResponseWriter, request *http.Request) {
@@ -1099,10 +1207,15 @@ func HandleChannelCreate(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToPermittedChannelUsersCloseIfTimeout(requestor.OriginalId, newHubChannel, types.CachedUserCanView, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubChannelCreate,
+		HubId: hub.Id,
+		Event: newHubChannel,
+	})
 }
 
 func HandleChannelRemove(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveChannel)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionRemoveChannel)
 	if !ok {
 		return
 	}
@@ -1112,12 +1225,20 @@ func HandleChannelRemove(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 
-	hub.Mu.Lock()
+	var channel *types.HubChannel
-	if _, ok = hub.Channels[channelId]; !ok {
+	hub.Mu.RLock()
-		hub.Mu.Unlock()
+	channel, ok = hub.Channels[channelId]
+	hub.Mu.RUnlock()
+	if !ok {
 		http.Error(response, "no such channel", http.StatusNotFound)
 		return
 	}
+	wsServer.WsSendEventMessageToPermittedChannelUsersCloseIfTimeout(requestor.OriginalId, channel, types.CachedUserCanView, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubChannelRemove,
+		HubId: hub.Id,
+		Event: &map[string]any{"channelId": channelId},
+	})
+	hub.Mu.Lock()
 	delete(hub.Channels, channelId)
 	hub.Mu.Unlock()
 	if err = postgresql.HubChannelDelete(ctx, channelId); err != nil {
@@ -1127,7 +1248,7 @@ func HandleChannelRemove(response http.ResponseWriter, request *http.Request) {
 	response.WriteHeader(http.StatusAccepted)
 }
 func HandleChannelSetName(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetChannelName)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetChannelName)
 	if !ok {
 		return
 	}
@@ -1156,10 +1277,15 @@ func HandleChannelSetName(response http.ResponseWriter, request *http.Request) {
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToPermittedChannelUsersCloseIfTimeout(requestor.OriginalId, channel, types.CachedUserCanView, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubChannelUpdate,
+		HubId: hub.Id,
+		Event: &map[string]any{"channelId": channelId, "name": newName},
+	})
 }
 
 func HandleChannelSetDescription(response http.ResponseWriter, request *http.Request) {
-	_, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetChannelDescription)
+	requestor, hub, ctx, _, ok := hubPermissionContext(response, request, normal, types.PermissionSetChannelDescription)
 	if !ok {
 		return
 	}
@@ -1184,10 +1310,15 @@ func HandleChannelSetDescription(response http.ResponseWriter, request *http.Req
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	wsServer.WsSendEventMessageToPermittedChannelUsersCloseIfTimeout(requestor.OriginalId, channel, types.CachedUserCanView, &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubChannelUpdate,
+		HubId: hub.Id,
+		Event: &map[string]any{"channelId": channelId, "description": newDescription},
+	})
 }
 
 func handleChannelRolePermission(response http.ResponseWriter, request *http.Request, perm types.Permissions, updateList *types.HubChannelUpdate, modify func(*types.HubChannel, uint8, bool)) {
-	_, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, perm)
+	requestor, hub, ctx, usedRoleId, ok := hubPermissionContext(response, request, normal, perm)
 	if !ok {
 		return
 	}
@@ -1217,12 +1348,33 @@ func handleChannelRolePermission(response http.ResponseWriter, request *http.Req
 	modify(channel, roleId, allow)
 	hub.Mu.Unlock()
 
+	channel.Mu.RLock()
+	viewers := make([]uuid.UUID, 0, len(channel.UsersCachedPermissions))
+	for id, perm := range channel.UsersCachedPermissions {
+		if id != requestor.OriginalId && perm.CanView() {
+			viewers = append(viewers, id)
+		}
+	}
+	channel.Mu.RUnlock()
+
 	updateChannelCacheForSpecChannel(channel, hub)
 	if err = postgresql.HubChannelUpdate(ctx, channel, updateList); err != nil {
 		http.Error(response, "db error", http.StatusInternalServerError)
 		return
 	}
 	response.WriteHeader(http.StatusAccepted)
+	msg := &types.WsHubSpecificHubEventMessage{
+		Type:  WsEventType.HubChannelUpdate,
+		HubId: hub.Id,
+		Event: channel,
+	}
+	for _, id := range viewers {
+		target, err := cache.GetUserById(id)
+		if err != nil {
+			continue
+		}
+		wsServer.WsSendMessageCloseIfTimeout(target, msg)
+	}
 }
 
 func HandleChannelSetPermittedVisibleRole(response http.ResponseWriter, request *http.Request) {

packages/httpRequest/user.go

@@ -210,7 +210,7 @@ func HandleUserModProfile(response http.ResponseWriter, request *http.Request) {
 		if err != nil {
 			continue
 		}
-		wsServer.WsSendMessageCloseIfTimeout(target, types.WsEventMessage{
+		wsServer.WsSendMessageCloseIfTimeout(target, &types.WsEventMessage{
 			Type: WsEventType.UserProfileChange,
 			Event: &map[string]any{
 				"userId":            user.Id,
@@ -219,6 +219,33 @@ func HandleUserModProfile(response http.ResponseWriter, request *http.Request) {
 		})
 	}
 
+	user.Mu.RLock()
+	hubs := slices.Collect(maps.Values(user.Hubs))
+	user.Mu.RUnlock()
+
+	for _, hub := range hubs {
+		hub.Mu.RLock()
+		hubUsers := slices.Collect(maps.Values(hub.Users))
+		hub.Mu.RUnlock()
+		for _, hubUser := range hubUsers {
+			if hubUser.OriginalId == user.Id {
+				continue
+			}
+			target, err := getUserById(ctx, hubUser.OriginalId)
+			if err != nil {
+				continue
+			}
+			wsServer.WsSendMessageCloseIfTimeout(target, &types.WsHubSpecificHubEventMessage{
+				Type:  WsEventType.UserProfileChange,
+				HubId: hub.Id,
+				Event: &map[string]any{
+					"userId":            user.Id,
+					"profileChangeList": updatedValues,
+				},
+			})
+		}
+	}
+
 	response.WriteHeader(http.StatusAccepted)
 }
 

packages/types/types.go

@@ -133,6 +133,12 @@ type WsEventMessage struct {
 	Event any                     `json:"event"`
 }
 
+type WsHubSpecificHubEventMessage struct {
+	Type  WsEventType.WsEventType `json:"type"`
+	HubId uuid.UUID               `json:"hubId"`
+	Event any                     `json:"event"`
+}
+
 type WsAuthMessage struct {
 	Success bool   `json:"success"`
 	Error   string `json:"error"`

packages/wsServer/wsServer.go

@@ -91,6 +91,45 @@ func WsSendMessageToMultipleCloseIfTimeout(users *[]types.User, excludeId uuid.U
 	}
 }
 
+func WsSendEventMessageToPermittedChannelUsersCloseIfTimeout(excluded uuid.UUID, channel *types.HubChannel, needed types.CachedUserPermissions, message any) {
+	channel.Mu.RLock()
+	permitted := make([]uuid.UUID, 0, len(channel.UsersCachedPermissions))
+	for id, perm := range channel.UsersCachedPermissions {
+		if id != excluded && perm&needed == needed {
+			permitted = append(permitted, id)
+		}
+	}
+	channel.Mu.RUnlock()
+
+	for _, id := range permitted {
+		target, err := cache.GetUserById(id)
+		if err != nil {
+			continue
+		}
+		WsSendMessageCloseIfTimeout(target, message)
+	}
+}
+
+// WsSendEventMessageToHubUsersCloseIfTimeout auto fills hubId into message
+func WsSendEventMessageToHubUsersCloseIfTimeout(excluded uuid.UUID, hub *types.Hub, message *types.WsHubSpecificHubEventMessage) {
+	message.HubId = hub.Id
+	hub.Mu.RLock()
+	hubUsers := make([]*types.HubUser, 0, len(hub.Users))
+	for _, hubUser := range hub.Users {
+		if hubUser.OriginalId != excluded {
+			hubUsers = append(hubUsers, hubUser)
+		}
+	}
+	hub.Mu.RUnlock()
+	for _, hubUser := range hubUsers {
+		target, err := cache.GetUserById(hubUser.OriginalId)
+		if err != nil {
+			continue
+		}
+		WsSendMessageCloseIfTimeout(target, message)
+	}
+}
+
 func sendToAllMessageCloseIfTimeout(message *map[string]any) {
 	cache.Mu.RLock()
 	users := make([]*types.User, 0, len(cache.Users))