chore: move the go code into a subfolder

apps/api/internal/domain/application_api.go

@@ -0,0 +1,61 @@
+package domain
+
+import (
+	"github.com/zitadel/zitadel/internal/crypto"
+	"github.com/zitadel/zitadel/internal/eventstore/v1/models"
+)
+
+type APIApp struct {
+	models.ObjectRoot
+
+	AppID              string
+	AppName            string
+	ClientID           string
+	EncodedHash        string
+	ClientSecretString string
+	AuthMethodType     APIAuthMethodType
+
+	State AppState
+}
+
+func (a *APIApp) GetApplicationName() string {
+	return a.AppName
+}
+
+func (a *APIApp) GetState() AppState {
+	return a.State
+}
+
+type APIAuthMethodType int32
+
+const (
+	APIAuthMethodTypeBasic APIAuthMethodType = iota
+	APIAuthMethodTypePrivateKeyJWT
+)
+
+func (a *APIApp) IsValid() bool {
+	return a.AppName != ""
+}
+
+func (a *APIApp) setClientID(clientID string) {
+	a.ClientID = clientID
+}
+
+func (a *APIApp) setClientSecret(encodedHash string) {
+	a.EncodedHash = encodedHash
+}
+
+func (a *APIApp) requiresClientSecret() bool {
+	return a.AuthMethodType == APIAuthMethodTypeBasic
+}
+
+func (a *APIApp) GenerateClientSecretIfNeeded(generator *crypto.HashGenerator) (plain string, err error) {
+	if a.AuthMethodType == APIAuthMethodTypePrivateKeyJWT {
+		return "", nil
+	}
+	a.EncodedHash, plain, err = generator.NewCode()
+	if err != nil {
+		return "", err
+	}
+	return plain, nil
+}