guesstimate/internal/orm/tx.go

48 lines
988 B
Go
Raw Normal View History

2020-08-08 15:04:59 +02:00
package orm
import (
"context"
"database/sql"
"github.com/jinzhu/gorm"
"github.com/pkg/errors"
)
func WithTx(ctx context.Context, db *gorm.DB, fn func(context.Context, *gorm.DB) error) error {
tx := db.BeginTx(ctx, &sql.TxOptions{})
defer func() {
if err := tx.Rollback().Error; err != nil && !isGormError(err, gorm.ErrInvalidTransaction) {
panic(errors.Wrap(err, "could not rollback transaction"))
}
}()
if err := fn(ctx, tx); err != nil {
err := errors.Wrap(err, "could not apply down migration")
if rollbackErr := tx.Rollback().Error; rollbackErr != nil {
return errors.Wrap(err, rollbackErr.Error())
}
return err
}
if err := tx.Commit().Error; err != nil {
return errors.Wrap(err, "could not commit transaction")
}
return nil
}
func isGormError(err error, compErr error) bool {
if errs, ok := err.(gorm.Errors); ok {
for _, err := range errs {
if errors.Is(err, compErr) {
return true
}
}
}
return errors.Is(err, compErr)
}