second commit

internal/handler/api/v1/notification_setting_handler.go

@@ -0,0 +1,109 @@
+package v1
+
+// NotificationSettingHandler handles notification setting API endpoints.
+// Reference: Chatwoot NotificationSettingsController — show + update
+//
+// Routes:
+//   GET    /api/v1/accounts/:account_id/notification_settings
+//   PATCH  /api/v1/accounts/:account_id/notification_settings
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gochat/gochat/internal/model"
+	"github.com/gochat/gochat/internal/service"
+	"github.com/gochat/gochat/pkg/response"
+)
+
+// NotificationSettingHandler handles HTTP requests for notification settings.
+type NotificationSettingHandler struct {
+	svc *service.NotificationSettingService
+}
+
+// NewNotificationSettingHandler creates a new handler instance.
+func NewNotificationSettingHandler(svc *service.NotificationSettingService) *NotificationSettingHandler {
+	return &NotificationSettingHandler{svc: svc}
+}
+
+// NotificationSettingUpdateWrapper matches Chatwoot params.require(:notification_settings) —
+// request body must be nested under "notification_settings" key.
+type NotificationSettingUpdateWrapper struct {
+	NotificationSettings service.UpdateNotificationSettingRequest `json:"notification_settings"`
+}
+
+// Show returns the notification setting for the current user in the account.
+// GET /api/v1/accounts/:account_id/notification_settings
+// Reference: Chatwoot show — @user.notification_settings.find_by(account_id: Current.account.id)
+// Jbuilder: id, user_id, account_id, all_email_flags, selected_email_flags, all_push_flags, selected_push_flags
+func (h *NotificationSettingHandler) Show(c *gin.Context) {
+	accountID := getAccountID(c)
+	if accountID == 0 {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid account_id")
+		return
+	}
+
+	userID := getUserID(c)
+	if userID == 0 {
+		response.AbortWithStatusError(c, http.StatusUnauthorized, response.ErrUnauthorized, "user not authenticated")
+		return
+	}
+
+	ns, svcErr := h.svc.Get(c.Request.Context(), accountID, userID)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.OK(c, gin.H{
+		"notification_setting": serializeNotificationSetting(ns),
+	})
+}
+
+// Update modifies notification settings for the current user in the account.
+// PATCH /api/v1/accounts/:account_id/notification_settings
+// Reference: Chatwoot update — params.require(:notification_settings).permit(selected_email_flags: [], selected_push_flags: [])
+// Then update_flags → save → render show
+func (h *NotificationSettingHandler) Update(c *gin.Context) {
+	accountID := getAccountID(c)
+	if accountID == 0 {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid account_id")
+		return
+	}
+
+	userID := getUserID(c)
+	if userID == 0 {
+		response.AbortWithStatusError(c, http.StatusUnauthorized, response.ErrUnauthorized, "user not authenticated")
+		return
+	}
+
+	var wrapper NotificationSettingUpdateWrapper
+	if err := c.ShouldBindJSON(&wrapper); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid request body")
+		return
+	}
+
+	ns, svcErr := h.svc.Update(c.Request.Context(), accountID, userID, wrapper.NotificationSettings)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.OK(c, gin.H{
+		"notification_setting": serializeNotificationSetting(ns),
+	})
+}
+
+// serializeNotificationSetting builds the response object matching Chatwoot Jbuilder show.json.jbuilder:
+// id, user_id, account_id, all_email_flags, selected_email_flags, all_push_flags, selected_push_flags
+func serializeNotificationSetting(ns *model.NotificationSetting) gin.H {
+	return gin.H{
+		"id":                  ns.ID,
+		"user_id":             ns.UserID,
+		"account_id":          ns.AccountID,
+		"all_email_flags":     model.AllEmailFlagNames(),
+		"selected_email_flags": ns.SelectedEmailFlagNames(),
+		"all_push_flags":      model.AllPushFlagNames(),
+		"selected_push_flags": ns.SelectedPushFlagNames(),
+	}
+}