chore: move the go code into a subfolder

apps/api/internal/domain/user_grant.go

@@ -0,0 +1,35 @@
+package domain
+
+import es_models "github.com/zitadel/zitadel/internal/eventstore/v1/models"
+
+type UserGrant struct {
+	es_models.ObjectRoot
+
+	State          UserGrantState
+	UserID         string
+	ProjectID      string
+	ProjectGrantID string
+	RoleKeys       []string
+}
+
+type UserGrantState int32
+
+const (
+	UserGrantStateUnspecified UserGrantState = iota
+	UserGrantStateActive
+	UserGrantStateInactive
+	UserGrantStateRemoved
+)
+
+func (u *UserGrant) IsValid() bool {
+	return u.ProjectID != "" && u.UserID != ""
+}
+
+func (g *UserGrant) HasInvalidRoles(validRoles []string) bool {
+	for _, roleKey := range g.RoleKeys {
+		if !containsRoleKey(roleKey, validRoles) {
+			return true
+		}
+	}
+	return false
+}