mirror of https://github.com/goharbor/harbor.git
93 lines
2.0 KiB
Go
93 lines
2.0 KiB
Go
// Copyright Project Harbor Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package orm
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import (
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"context"
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"encoding/hex"
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"fmt"
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"github.com/beego/beego/v2/client/orm"
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"github.com/google/uuid"
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)
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type CommittedKey struct{}
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// HasCommittedKey checks whether exist committed key in context.
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func HasCommittedKey(ctx context.Context) bool {
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if value := ctx.Value(CommittedKey{}); value != nil {
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return true
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}
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return false
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}
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// ormerTx transaction which support savepoint
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type ormerTx struct {
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orm.Ormer
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orm.TxOrmer
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savepoint string
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}
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func (o *ormerTx) savepointMode() bool {
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return o.savepoint != ""
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}
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func (o *ormerTx) createSavepoint() error {
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val := uuid.New()
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o.savepoint = fmt.Sprintf("p%s", hex.EncodeToString(val[:]))
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_, err := o.TxOrmer.Raw(fmt.Sprintf("SAVEPOINT %s", o.savepoint)).Exec()
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return err
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}
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func (o *ormerTx) releaseSavepoint() error {
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_, err := o.TxOrmer.Raw(fmt.Sprintf("RELEASE SAVEPOINT %s", o.savepoint)).Exec()
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return err
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}
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func (o *ormerTx) rollbackToSavepoint() error {
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_, err := o.TxOrmer.Raw(fmt.Sprintf("ROLLBACK TO SAVEPOINT %s", o.savepoint)).Exec()
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return err
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}
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func (o *ormerTx) Begin() error {
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if o.TxOrmer != nil {
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return o.createSavepoint()
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}
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txOrmer, err := o.Ormer.Begin()
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if err != nil {
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return err
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}
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o.TxOrmer = txOrmer
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return nil
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}
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func (o *ormerTx) Commit() error {
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if o.savepointMode() {
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return o.releaseSavepoint()
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}
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return o.TxOrmer.Commit()
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}
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func (o *ormerTx) Rollback() error {
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if o.savepointMode() {
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return o.rollbackToSavepoint()
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}
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return o.TxOrmer.Rollback()
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}
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