feat(channels): align whatsapp calling toggles

internal/handler/api/v1/inbox_handler.go

@@ -749,6 +749,60 @@ func (h *InboxHandler) RegisterWebhook(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"message": "Webhook registered successfully"})
 }
 
+// EnableWhatsAppCalling enables WhatsApp Calling for a Cloud API inbox.
+// POST /api/v1/accounts/:id/inboxes/:inbox_id/enable_whatsapp_calling
+// Reference: Enterprise::Api::V1::Accounts::InboxesController#enable_whatsapp_calling
+func (h *InboxHandler) EnableWhatsAppCalling(c *gin.Context) {
+	h.handleWhatsAppCallingToggle(c, true)
+}
+
+// DisableWhatsAppCalling disables WhatsApp Calling for a Cloud API inbox.
+// POST /api/v1/accounts/:id/inboxes/:inbox_id/disable_whatsapp_calling
+// Reference: Enterprise::Api::V1::Accounts::InboxesController#disable_whatsapp_calling
+func (h *InboxHandler) DisableWhatsAppCalling(c *gin.Context) {
+	h.handleWhatsAppCallingToggle(c, false)
+}
+
+func (h *InboxHandler) handleWhatsAppCallingToggle(c *gin.Context, enable bool) {
+	accountID := parseAccountIDParam(c)
+	if accountID == 0 {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid account id"})
+		return
+	}
+
+	inboxID, err := parseUintParam(c, "inbox_id")
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid inbox id"})
+		return
+	}
+
+	if !h.svc.Ready() {
+		response.AbortWithStatusError(c, http.StatusUnprocessableEntity, response.ErrInternal, "failed to update WhatsApp calling")
+		return
+	}
+
+	var svcErr error
+	if enable {
+		svcErr = h.svc.EnableWhatsAppCalling(c.Request.Context(), accountID, inboxID)
+	} else {
+		svcErr = h.svc.DisableWhatsAppCalling(c.Request.Context(), accountID, inboxID)
+	}
+	if svcErr != nil {
+		if errors.Is(svcErr, service.ErrInboxWhatsAppCallingUnsupported) || errors.Is(svcErr, service.ErrInboxWhatsAppCallingFeatureRequired) {
+			c.JSON(http.StatusUnprocessableEntity, gin.H{"error": svcErr.Error()})
+			return
+		}
+		if strings.Contains(strings.ToLower(svcErr.Error()), "not found") {
+			handleServiceError(c, svcErr)
+			return
+		}
+		c.JSON(http.StatusUnprocessableEntity, gin.H{"error": svcErr.Error()})
+		return
+	}
+
+	c.Status(http.StatusOK)
+}
+
 // GetAgentBot retrieves the currently active agent bot for an inbox.
 // GET /api/v1/accounts/:id/inboxes/:inbox_id/agent_bot
 // Reference: Chatwoot InboxesController#agent_bot