fixed blocking issues

internal/kanban/handler_errors.go

@@ -0,0 +1,40 @@
+package kanban
+
+import (
+	"errors"
+	"strings"
+
+	"tm/pkg/response"
+
+	"github.com/labstack/echo/v4"
+)
+
+func handleServiceError(c echo.Context, err error, fallback string) error {
+	if err == nil {
+		return nil
+	}
+
+	if errors.Is(err, ErrAccessDenied) {
+		return response.NotFound(c, "Resource not found")
+	}
+
+	if errors.Is(err, ErrWorkflowUnavailable) {
+		return response.BadRequest(c, "Workflow rules are temporarily unavailable", err.Error())
+	}
+
+	msg := err.Error()
+	if strings.Contains(msg, "not allowed") ||
+		strings.Contains(msg, "cannot be changed") ||
+		strings.Contains(msg, "cannot be deleted") ||
+		strings.Contains(msg, "cannot be reordered") ||
+		strings.Contains(msg, "fixed") ||
+		strings.Contains(msg, "only column color") {
+		return response.BadRequest(c, msg, "")
+	}
+
+	if strings.Contains(msg, "not found") {
+		return response.NotFound(c, "Resource not found")
+	}
+
+	return response.InternalServerError(c, fallback)
+}