layer1: derive namespace phases step 10

pkg/utils/namespace_manager.go

@@ -152,6 +152,7 @@ func (m *inMemoryNamespaceManager) MarkPartState(namespace string, part string,
 		state.UpdatedAt = time.Now().UTC()
 	}
 	record.RegisteredParts[part] = state
+	record.Phase = deriveNamespacePhase(record)
 	record.UpdatedAt = state.UpdatedAt
 	m.records[namespace] = record
 	return record.Clone(), true
@@ -166,4 +167,30 @@ func (m *inMemoryNamespaceManager) Remove(name string) bool {
 	}
 	delete(m.records, name)
 	return true
+}
+
+func deriveNamespacePhase(record NamespaceRecord) NamespacePhase {
+	if len(record.RegisteredParts) == 0 {
+		return record.Phase
+	}
+
+	hasRegistering := false
+	for _, part := range record.RegisteredParts {
+		switch part.State {
+		case NamespacePartStateFailed:
+			return NamespacePhaseFailed
+		case NamespacePartStateRegistering:
+			hasRegistering = true
+		case NamespacePartStateActive:
+			continue
+		default:
+			hasRegistering = true
+		}
+	}
+
+	if hasRegistering {
+		return NamespacePhaseRegistering
+	}
+
+	return NamespacePhaseActive
 }