/
db.go
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/
db.go
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/*
* Copyright 2022 LimeChain Ltd.
*
* 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.
*/
package persistence
import (
"github.com/limechain/hedera-eth-bridge-validator/app/domain/database"
"github.com/limechain/hedera-eth-bridge-validator/app/persistence/entity"
log "github.com/sirupsen/logrus"
"gorm.io/gorm"
)
type Database struct {
connection *gorm.DB
connector database.Connector
}
func NewDatabase(connector database.Connector) *Database {
return &Database{
connector: connector,
}
}
// Connection establishes a connection or returns an existing one
func (db *Database) Connection() *gorm.DB {
if db.connection != nil {
return db.connection
}
pgdb := db.connector.Connect()
db.connection = pgdb
return db.connection
}
// Migrate auto-migrates the database
func (db *Database) Migrate() {
err := db.Connection().
AutoMigrate(
entity.Transfer{},
entity.Fee{},
entity.Message{},
entity.Schedule{},
entity.Status{})
if err != nil {
log.Fatal(err)
}
log.Println("Migrations passed successfully")
}