fix(edgestack): incorrect response code (#8873)

api/internal/edge/edgestack.go

@@ -8,6 +8,8 @@ import (
 	"github.com/portainer/portainer/api/dataservices"
 )
 
+var ErrEdgeGroupNotFound = errors.New("Edge group was not found")
+
 // EdgeStackRelatedEndpoints returns a list of environments(endpoints) related to this Edge stack
 func EdgeStackRelatedEndpoints(edgeGroupIDs []portainer.EdgeGroupID, endpoints []portainer.Endpoint, endpointGroups []portainer.EndpointGroup, edgeGroups []portainer.EdgeGroup) ([]portainer.EndpointID, error) {
 	edgeStackEndpoints := []portainer.EndpointID{}
@@ -23,7 +25,7 @@ func EdgeStackRelatedEndpoints(edgeGroupIDs []portainer.EdgeGroupID, endpoints [
 		}
 
 		if edgeGroup == nil {
-			return nil, errors.New("Edge group was not found")
+			return nil, ErrEdgeGroupNotFound
 		}
 
 		edgeStackEndpoints = append(edgeStackEndpoints, EdgeGroupRelatedEndpoints(edgeGroup, endpoints, endpointGroups)...)

api/internal/edge/edgestacks/error.go

@@ -0,0 +1,15 @@
+package edgestacks
+
+type InvalidPayloadError struct {
+	msg string
+}
+
+func (e *InvalidPayloadError) Error() string {
+	return e.msg
+}
+
+func NewInvalidPayloadError(errMsg string) *InvalidPayloadError {
+	return &InvalidPayloadError{
+		msg: errMsg,
+	}
+}

api/internal/edge/edgestacks/service.go

@@ -80,6 +80,9 @@ func (service *Service) PersistEdgeStack(
 
 	relatedEndpointIds, err := edge.EdgeStackRelatedEndpoints(stack.EdgeGroups, relationConfig.Endpoints, relationConfig.EndpointGroups, relationConfig.EdgeGroups)
 	if err != nil {
+		if err == edge.ErrEdgeGroupNotFound {
+			return nil, NewInvalidPayloadError(err.Error())
+		}
 		return nil, fmt.Errorf("unable to persist environment relation in database: %w", err)
 	}