second commit

internal/handler/api/v1/delivery_status_handler.go

@@ -0,0 +1,52 @@
+package v1
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/gochat/gochat/internal/service"
+	"github.com/gochat/gochat/pkg/response"
+)
+
+// DeliveryStatusHandler handles message delivery status endpoints.
+// Reference: Chatwoot message delivery status per recipient tracking
+// GET /api/v1/accounts/:account_id/conversations/:conversation_id/messages/:message_id/delivery_status
+type DeliveryStatusHandler struct {
+	svc *service.DeliveryStatusService
+}
+
+// NewDeliveryStatusHandler creates a new DeliveryStatusHandler.
+func NewDeliveryStatusHandler(svc *service.DeliveryStatusService) *DeliveryStatusHandler {
+	return &DeliveryStatusHandler{svc: svc}
+}
+
+// List retrieves all delivery statuses for a given message.
+// GET /api/v1/accounts/:account_id/conversations/:conversation_id/messages/:message_id/delivery_status
+func (h *DeliveryStatusHandler) List(c *gin.Context) {
+	accountID, err := parseUintParam(c, "account_id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid account_id")
+		return
+	}
+
+	conversationID, err := parseUintParam(c, "conversation_id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid conversation_id")
+		return
+	}
+
+	messageID, err := parseUintParam(c, "message_id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid message_id")
+		return
+	}
+
+	statuses, svcErr := h.svc.ListByMessage(c.Request.Context(), accountID, conversationID, messageID)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+
+	response.OK(c, statuses)
+}