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package database
import "fmt"
// database init error
type InitError struct {
path string
err error
}
func (e InitError) Error() string {
return fmt.Sprintf("Failed to open database : %s", e.path)
}
func (e InitError) Unwrap() error { return e.err }
func newInitError(path string, err error) error {
return InitError{
path: path,
err: err,
}
}
// database migration error
type MigrationError struct {
version int
err error
}
func (e MigrationError) Error() string {
return fmt.Sprintf("Failed to migrate database to version %d : %s", e.version, e.err)
}
func (e MigrationError) Unwrap() error { return e.err }
func newMigrationError(version int, err error) error {
return MigrationError{
version: version,
err: err,
}
}
// Password hash error
type PasswordError struct {
err error
}
func (e PasswordError) Error() string {
return fmt.Sprintf("Failed to hash password : %+v", e.err)
}
func (e PasswordError) Unwrap() error { return e.err }
func newPasswordError(err error) error {
return PasswordError{
err: err,
}
}
// database query error
type QueryError struct {
msg string
err error
}
func (e QueryError) Error() string {
return fmt.Sprintf("Failed to perform query : %s", e.msg)
}
func (e QueryError) Unwrap() error { return e.err }
func newQueryError(msg string, err error) error {
return QueryError{
msg: msg,
err: err,
}
}
// database transaction error
type TransactionError struct {
msg string
err error
}
func (e TransactionError) Error() string {
return fmt.Sprintf("Failed to perform query : %s", e.msg)
}
func (e TransactionError) Unwrap() error { return e.err }
func newTransactionError(msg string, err error) error {
return TransactionError{
msg: msg,
err: err,
}
}
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