chore: move the go code into a subfolder

apps/api/internal/command/member_model.go

@@ -0,0 +1,39 @@
+package command
+
+import (
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/repository/member"
+)
+
+type MemberWriteModel struct {
+	eventstore.WriteModel
+
+	UserID string
+	Roles  []string
+
+	State domain.MemberState
+}
+
+func NewMemberWriteModel(userID string) *MemberWriteModel {
+	return &MemberWriteModel{
+		UserID: userID,
+	}
+}
+
+func (wm *MemberWriteModel) Reduce() error {
+	for _, event := range wm.Events {
+		switch e := event.(type) {
+		case *member.MemberAddedEvent:
+			wm.UserID = e.UserID
+			wm.Roles = e.Roles
+			wm.State = domain.MemberStateActive
+		case *member.MemberChangedEvent:
+			wm.Roles = e.Roles
+		case *member.MemberRemovedEvent:
+			wm.Roles = nil
+			wm.State = domain.MemberStateRemoved
+		}
+	}
+	return wm.WriteModel.Reduce()
+}