private void RepairDuplicates()
{
var collectionPath = _model.TheOneEditableCollection.PathToDirectory;
// A book's ID may not be changed if we have a TC and the book is actually in the shared folder.
// Eventually we may allow it if the book is checked out.
BookInfo.RepairDuplicateInstanceIds(collectionPath, (bookPath) =>
{
if (_tcManager?.CurrentCollection == null)
{
return(true); // OK to change, not a TC.
}
// Only OK if not present in the TC repo.
return(!_tcManager.CurrentCollection.IsBookPresentInRepo(Path.GetFileName(bookPath)));
});
}
/// <summary>
/// In the past we've had problems with users copying folders manually and creating derivative books with
/// the same bookInstanceId guids. Then we try to bulk upload a folder structure with books like this and the
/// duplicates overwrite whichever book got uploaded first.
/// This method recurses through the folders under 'rootFolderPath' and keeps track of all the unique bookInstanceId
/// guids. When a duplicate is found, we will call BookInfo.InstallFreshInstanceGuid().
/// </summary>
/// <remarks>Internal for testing.</remarks>
/// <param name="rootFolderPath"></param>
internal static void BulkRepairInstanceIds(string rootFolderPath)
{
BookInfo.RepairDuplicateInstanceIds(rootFolderPath);
}
/// <summary>
/// In the past we've had problems with users copying folders manually and creating derivative books with
/// the same bookInstanceId guids. Then we try to bulk upload a folder structure with books like this and the
/// duplicates overwrite whichever book got uploaded first.
/// This method recurses through the folders under 'rootFolderPath' and keeps track of all the unique bookInstanceId
/// guids. When a duplicate is found, we will call BookInfo.InstallFreshInstanceGuid().
/// </summary>
/// <remarks>Internal for testing.</remarks>
/// <param name="rootFolderPath"></param>
/// <param name="okToChangeId">If this function returns true for a folder path, that book's ID may be changed.</param>
internal static void BulkRepairInstanceIds(string rootFolderPath, Func <string, bool> okToChangeId)
{
BookInfo.RepairDuplicateInstanceIds(rootFolderPath, okToChangeId);
}
