Align GoChat with Chatwoot frontend contracts

internal/handler/api/v1/notification_handler.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/gochat/gochat/internal/model"
 	"github.com/gochat/gochat/internal/service"
+	"github.com/gochat/gochat/internal/ws"
 	applogger "github.com/gochat/gochat/pkg/logger"
 	"github.com/gochat/gochat/pkg/pagination"
 	"github.com/gochat/gochat/pkg/response"
@@ -23,6 +24,7 @@ import (
 // Reference: Chatwoot app/controllers/api/v1/accounts/notifications_controller.rb
 type NotificationHandler struct {
 	notificationService *service.NotificationService
+	eventPublisher      *ws.EventPublisher
 }
 
 // NewNotificationHandler creates a new Notification handler with injected service.
@@ -30,6 +32,11 @@ func NewNotificationHandler(notificationService *service.NotificationService) *N
 	return &NotificationHandler{notificationService: notificationService}
 }
 
+func (h *NotificationHandler) WithEventPublisher(publisher *ws.EventPublisher) *NotificationHandler {
+	h.eventPublisher = publisher
+	return h
+}
+
 // List returns all notifications for the current user in an account.
 // GET /api/v1/accounts/:account_id/notifications
 // Reference: Chatwoot index — NotificationFinder with pagination
@@ -113,6 +120,7 @@ func (h *NotificationHandler) Update(c *gin.Context) {
 		handleServiceError(c, svcErr)
 		return
 	}
+	h.publishNotificationEvent(c.Request.Context(), accountID, userID, ws.EventNotificationUpdated, notification)
 
 	c.JSON(http.StatusOK, h.serializeNotification(c.Request.Context(), notification))
 }
@@ -202,6 +210,7 @@ func (h *NotificationHandler) Snooze(c *gin.Context) {
 		handleServiceError(c, svcErr)
 		return
 	}
+	h.publishNotificationEvent(c.Request.Context(), accountID, userID, ws.EventNotificationUpdated, notification)
 
 	c.JSON(http.StatusOK, h.serializeNotification(c.Request.Context(), notification))
 }
@@ -224,6 +233,7 @@ func (h *NotificationHandler) Unread(c *gin.Context) {
 		handleServiceError(c, svcErr)
 		return
 	}
+	h.publishNotificationEvent(c.Request.Context(), accountID, userID, ws.EventNotificationUpdated, notification)
 
 	c.JSON(http.StatusOK, h.serializeNotification(c.Request.Context(), notification))
 }
@@ -240,10 +250,16 @@ func (h *NotificationHandler) Destroy(c *gin.Context) {
 
 	accountID := getAccountID(c)
 	userID := getUserID(c)
+	notification, svcErr := h.notificationService.GetNotificationByAccount(c.Request.Context(), notificationID, userID, accountID)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
 	if svcErr := h.notificationService.DeleteNotificationByAccount(c.Request.Context(), notificationID, userID, accountID); svcErr != nil {
 		handleServiceError(c, svcErr)
 		return
 	}
+	h.publishNotificationEvent(c.Request.Context(), accountID, userID, ws.EventNotificationDeleted, notification)
 
 	c.Status(http.StatusOK)
 }
@@ -290,6 +306,27 @@ func notificationIncludes(c *gin.Context, value string) bool {
 	return false
 }
 
+func (h *NotificationHandler) publishNotificationEvent(ctx context.Context, accountID, userID uint, eventType string, notification *model.Notification) {
+	if h.eventPublisher == nil || notification == nil || accountID == 0 || userID == 0 {
+		return
+	}
+	unreadCount, err := h.notificationService.GetUnreadCountByAccount(ctx, userID, accountID)
+	if err != nil {
+		applogger.L().Warnf("notification event %s unread count: %v", eventType, err)
+		return
+	}
+	total, err := h.notificationService.CountNotificationsByAccount(ctx, userID, accountID)
+	if err != nil {
+		applogger.L().Warnf("notification event %s total count: %v", eventType, err)
+		return
+	}
+	h.eventPublisher.PublishEvent(accountID, eventType, gin.H{
+		"notification": h.serializeNotification(ctx, notification),
+		"unread_count": unreadCount,
+		"count":        total,
+	})
+}
+
 func (h *NotificationHandler) serializeNotification(ctx context.Context, notification *model.Notification) gin.H {
 	var db *gorm.DB
 	if h != nil && h.notificationService != nil {