backend-server-v2/internal/db/db.go

58 lines
1.1 KiB
Go

package db
import (
"fmt"
"os"
"path/filepath"
"time"
"trustcontact/internal/config"
"gorm.io/driver/postgres"
"gorm.io/driver/sqlite"
"gorm.io/gorm"
gormlogger "gorm.io/gorm/logger"
)
func Open(cfg *config.Config) (*gorm.DB, error) {
if cfg == nil {
return nil, fmt.Errorf("config is nil")
}
gormCfg := &gorm.Config{Logger: newLogger(cfg.Env)}
switch cfg.DBDriver {
case config.DBDriverSQLite:
if err := ensureSQLiteDir(cfg.SQLitePath); err != nil {
return nil, fmt.Errorf("prepare sqlite dir: %w", err)
}
return gorm.Open(sqlite.Open(cfg.SQLitePath), gormCfg)
case config.DBDriverPostgres:
return gorm.Open(postgres.Open(cfg.PostgresDSN), gormCfg)
default:
return nil, fmt.Errorf("unsupported db driver: %s", cfg.DBDriver)
}
}
func newLogger(env string) gormlogger.Interface {
level := gormlogger.Warn
if env == config.EnvDevelop {
level = gormlogger.Info
}
return gormlogger.Default.LogMode(level)
}
func ensureSQLiteDir(sqlitePath string) error {
dir := filepath.Dir(sqlitePath)
if dir == "." || dir == "" {
return nil
}
return os.MkdirAll(dir, 0o755)
}
func nowUTC() time.Time {
return time.Now().UTC()
}