/
gorm.go
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/
gorm.go
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// Copyright 2023 Cisco Systems, Inc. and its affiliates
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
package repo
import (
"context"
"database/sql"
"github.com/cisco-open/go-lanai/pkg/data"
"github.com/cisco-open/go-lanai/pkg/data/tx"
"gorm.io/gorm"
)
type TxWithGormFunc func(ctx context.Context, tx *gorm.DB) error
type GormApi interface {
DB(ctx context.Context) *gorm.DB
Transaction(ctx context.Context, txFunc TxWithGormFunc, opts ...*sql.TxOptions) error
WithSession(config *gorm.Session) GormApi
}
type gormApi struct {
db *gorm.DB
txManager tx.GormTxManager
}
func newGormApi(db *gorm.DB, txManager tx.GormTxManager) GormApi {
return gormApi{
db: db,
txManager: txManager.WithDB(db),
}
}
func (g gormApi) WithSession(config *gorm.Session) GormApi {
db := g.db.Session(config)
return gormApi{
db: db,
txManager: g.txManager.WithDB(db),
}
}
func (g gormApi) DB(ctx context.Context) *gorm.DB {
// tx support
if t := tx.GormTxWithContext(ctx); t != nil {
return t
}
return g.db.WithContext(ctx)
}
func (g gormApi) Transaction(ctx context.Context, txFunc TxWithGormFunc, opts ...*sql.TxOptions) error {
return g.txManager.Transaction(ctx, func(c context.Context) error {
t := tx.GormTxWithContext(c)
if t == nil {
return data.NewDataError(data.ErrorCodeInvalidTransaction, "gorm Tx is not found in context")
}
return txFunc(c, t)
}, opts...)
}