/
conn.go
58 lines (52 loc) · 1.42 KB
/
conn.go
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package conn
import (
"sync"
"github.com/glebarez/sqlite"
"github.com/goark/errs"
"github.com/ipfs/go-log/v2"
"gorm.io/gorm"
gormlogger "gorm.io/gorm/logger"
)
var (
connDB *gorm.DB
errorDB error
onceDB sync.Once
)
func GetDB(path string, zlogger *log.ZapEventLogger) (*gorm.DB, error) {
onceDB.Do(func() {
conn, err := openDB(path, zlogger)
if err != nil {
errorDB = errs.Wrap(err, errs.WithContext("dbfile", path))
} else {
connDB = conn
}
})
return connDB, errorDB
}
func openDB(path string, zlogger *log.ZapEventLogger) (*gorm.DB, error) {
// logger
gcfg := &gorm.Config{}
if lggr, lvl := getLogger(zlogger); lvl != gormlogger.Silent {
gcfg.Logger = lggr
}
// open SQLite database
db, err := gorm.Open(sqlite.Open(path), gcfg)
if err != nil {
return nil, errs.Wrap(err, errs.WithContext("dbfile", path))
}
return db, nil
}
/* Copyright 2023 Spiegel
*
* 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.
*/