try writemodel

internal/v2/repository/member/write_model.go

@@ -0,0 +1,28 @@
+package member
+
+import "github.com/caos/zitadel/internal/eventstore/v2"
+
+//WriteModel is used to create events
+// It has no computed fields and represents the data
+// which can be changed
+type WriteModel struct {
+	eventstore.WriteModel
+
+	UserID string
+	Roles  []string
+}
+
+//Reduce extends eventstore.ReadModel
+func (rm *WriteModel) Reduce() error {
+	for _, event := range rm.Events {
+		switch e := event.(type) {
+		case *AddedEvent:
+			rm.UserID = e.UserID
+			rm.Roles = e.Roles
+		case *ChangedEvent:
+			rm.UserID = e.UserID
+			rm.Roles = e.Roles
+		}
+	}
+	return rm.ReadModel.Reduce()
+}