49 lines
1 KiB
Go
49 lines
1 KiB
Go
package db
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/evcc-io/evcc/util"
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"github.com/glebarez/sqlite"
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"github.com/mitchellh/go-homedir"
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"gorm.io/gorm"
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)
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var Instance *gorm.DB
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func New(driver, dsn string) (*gorm.DB, error) {
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var dialect gorm.Dialector
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log := util.NewLogger("db")
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switch driver {
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case "sqlite":
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file, err := homedir.Expand(dsn)
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if err != nil {
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return nil, err
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}
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if err := os.MkdirAll(filepath.Dir(file), os.ModePerm); err != nil {
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return nil, err
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}
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log.INFO.Println("using sqlite database:", file)
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// avoid busy errors
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dialect = sqlite.Open(file + "?_pragma=busy_timeout(5000)")
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// case "postgres":
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// dialect = postgres.Open(dsn)
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// case "mysql":
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// dialect = mysql.Open(dsn)
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default:
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return nil, fmt.Errorf("invalid database type: %s not in [sqlite]", driver)
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}
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return gorm.Open(dialect, &gorm.Config{
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Logger: &Logger{log},
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})
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}
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func NewInstance(driver, dsn string) (err error) {
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Instance, err = New(strings.ToLower(driver), dsn)
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return
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}
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