Refactor secrets modification logic (#26873)

- Share code between web and api
- Add some tests

services/secrets/secrets.go

@@ -0,0 +1,83 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package secrets
+
+import (
+	"context"
+
+	"code.gitea.io/gitea/models/db"
+	secret_model "code.gitea.io/gitea/models/secret"
+)
+
+func CreateOrUpdateSecret(ctx context.Context, ownerID, repoID int64, name, data string) (*secret_model.Secret, bool, error) {
+	if err := ValidateName(name); err != nil {
+		return nil, false, err
+	}
+
+	s, err := secret_model.FindSecrets(ctx, secret_model.FindSecretsOptions{
+		OwnerID: ownerID,
+		RepoID:  repoID,
+		Name:    name,
+	})
+	if err != nil {
+		return nil, false, err
+	}
+
+	if len(s) == 0 {
+		s, err := secret_model.InsertEncryptedSecret(ctx, ownerID, repoID, name, data)
+		if err != nil {
+			return nil, false, err
+		}
+		return s, true, nil
+	}
+
+	if err := secret_model.UpdateSecret(ctx, s[0].ID, data); err != nil {
+		return nil, false, err
+	}
+
+	return s[0], false, nil
+}
+
+func DeleteSecretByID(ctx context.Context, ownerID, repoID, secretID int64) error {
+	s, err := secret_model.FindSecrets(ctx, secret_model.FindSecretsOptions{
+		OwnerID:  ownerID,
+		RepoID:   repoID,
+		SecretID: secretID,
+	})
+	if err != nil {
+		return err
+	}
+	if len(s) != 1 {
+		return secret_model.ErrSecretNotFound{}
+	}
+
+	return deleteSecret(ctx, s[0])
+}
+
+func DeleteSecretByName(ctx context.Context, ownerID, repoID int64, name string) error {
+	if err := ValidateName(name); err != nil {
+		return err
+	}
+
+	s, err := secret_model.FindSecrets(ctx, secret_model.FindSecretsOptions{
+		OwnerID: ownerID,
+		RepoID:  repoID,
+		Name:    name,
+	})
+	if err != nil {
+		return err
+	}
+	if len(s) != 1 {
+		return secret_model.ErrSecretNotFound{}
+	}
+
+	return deleteSecret(ctx, s[0])
+}
+
+func deleteSecret(ctx context.Context, s *secret_model.Secret) error {
+	if _, err := db.DeleteByID(ctx, s.ID, s); err != nil {
+		return err
+	}
+	return nil
+}