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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package ui
import (
"fmt"
"os"
"github.com/lxn/walk"
)
func writeFileWithOverwriteHandling(owner walk.Form, filePath string, write func(file *os.File) error) bool {
showError := func(err error) bool {
if err == nil {
return false
}
walk.MsgBox(owner, "Writing file failed", err.Error(), walk.MsgBoxIconError)
return true
}
file, err := os.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_EXCL, 0600)
if err != nil {
if os.IsExist(err) {
if walk.DlgCmdNo == walk.MsgBox(owner, "Writing file failed", fmt.Sprintf(`File "%s" already exists.
Do you want to overwrite it?`, filePath), walk.MsgBoxYesNo|walk.MsgBoxDefButton2|walk.MsgBoxIconWarning) {
return false
}
if file, err = os.Create(filePath); err != nil {
return !showError(err)
}
} else {
return !showError(err)
}
}
defer file.Close()
return !showError(write(file))
}
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