chore: move the go code into a subfolder

apps/api/internal/domain/project_grant.go

@@ -0,0 +1,45 @@
+package domain
+
+import es_models "github.com/zitadel/zitadel/internal/eventstore/v1/models"
+
+type ProjectGrant struct {
+	es_models.ObjectRoot
+
+	GrantID      string
+	GrantedOrgID string
+	State        ProjectGrantState
+	RoleKeys     []string
+}
+
+type ProjectGrantState int32
+
+const (
+	ProjectGrantStateUnspecified ProjectGrantState = iota
+	ProjectGrantStateActive
+	ProjectGrantStateInactive
+	ProjectGrantStateRemoved
+
+	projectGrantStateMax
+)
+
+func (s ProjectGrantState) Valid() bool {
+	return s > ProjectGrantStateUnspecified && s < projectGrantStateMax
+}
+
+func (s ProjectGrantState) Exists() bool {
+	return s != ProjectGrantStateUnspecified && s != ProjectGrantStateRemoved
+}
+
+func (p *ProjectGrant) IsValid() bool {
+	return p.GrantedOrgID != ""
+}
+
+func GetRemovedRoles(existingRoles, newRoles []string) []string {
+	removed := make([]string, 0)
+	for _, role := range existingRoles {
+		if !containsRoleKey(role, newRoles) {
+			removed = append(removed, role)
+		}
+	}
+	return removed
+}