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Properly truncate filenames

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This commit is contained in:
Mbucari 2023-02-03 09:53:40 -07:00
parent 20474e0b3c
commit c72b64d74c
4 changed files with 62 additions and 47 deletions
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55
Source/LibationFileManager/Templates.cs
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@ -50,33 +50,22 @@ namespace LibationFileManager
static Templates()
{
Configuration.Instance.PropertyChanged += FolderTemplate_PropertyChanged;
Configuration.Instance.PropertyChanged += FileTemplate_PropertyChanged;
Configuration.Instance.PropertyChanged += ChapterFileTemplate_PropertyChanged;
Configuration.Instance.PropertyChanged += ChapterTitleTemplate_PropertyChanged;
}
Configuration.Instance.PropertyChanged +=
[PropertyChangeFilter(nameof(Configuration.FolderTemplate))]
(_,e) => _folder = GetTemplate<FolderTemplate>((string)e.NewValue);
[PropertyChangeFilter(nameof(Configuration.FolderTemplate))]
private static void FolderTemplate_PropertyChanged(object sender, PropertyChangedEventArgsEx e)
{
_folder = GetTemplate<FolderTemplate>((string)e.NewValue);
}
[PropertyChangeFilter(nameof(Configuration.FileTemplate))]
private static void FileTemplate_PropertyChanged(object sender, PropertyChangedEventArgsEx e)
{
_file = GetTemplate<FileTemplate>((string)e.NewValue);
}
[PropertyChangeFilter(nameof(Configuration.ChapterFileTemplate))]
private static void ChapterFileTemplate_PropertyChanged(object sender, PropertyChangedEventArgsEx e)
{
_chapterFile = GetTemplate<ChapterFileTemplate>((string)e.NewValue);
}
[PropertyChangeFilter(nameof(Configuration.ChapterTitleTemplate))]
private static void ChapterTitleTemplate_PropertyChanged(object sender, PropertyChangedEventArgsEx e)
{
_chapterTitle = GetTemplate<ChapterTitleTemplate>((string)e.NewValue);
}
Configuration.Instance.PropertyChanged
+= [PropertyChangeFilter(nameof(Configuration.FileTemplate))]
(_, e) => _file = GetTemplate<FileTemplate>((string)e.NewValue);
Configuration.Instance.PropertyChanged
+= [PropertyChangeFilter(nameof(Configuration.ChapterFileTemplate))]
(_, e) => _chapterFile = GetTemplate<ChapterFileTemplate>((string)e.NewValue);
Configuration.Instance.PropertyChanged
+= [PropertyChangeFilter(nameof(Configuration.ChapterTitleTemplate))]
(_, e) => _chapterTitle = GetTemplate<ChapterTitleTemplate>((string)e.NewValue);
}
#endregion
#region Template Properties
@ -87,6 +76,7 @@ namespace LibationFileManager
public string TemplateText => Template.TemplateText;
protected NamingTemplate Template { get; private set; }
#endregion
#region validation
@ -134,15 +124,24 @@ namespace LibationFileManager
private LongPath GetFilename(string baseDir, string fileExtension, bool returnFirstExisting, ReplacementCharacters replacements, params object[] dtos)
{
var parts = Template.Evaluate(dtos).ToList();
fileExtension = FileUtility.GetStandardizedExtension(fileExtension);
var parts = Template.Evaluate(dtos).ToList();
var pathParts = GetPathParts(GetTemplatePartsStrings(parts, replacements));
//Remove 1 character from the end of the longest filename part until
//the total filename is less than max filename length
foreach (var part in pathParts)
for (int i = 0; i < pathParts.Count; i++)
{
while (part.Sum(LongPath.GetFilesystemStringLength) > LongPath.MaxFilenameLength)
var part = pathParts[i];
//If file already exists, GetValidFilename will append " (n)" to the filename.
//This could cause the filename length to exceed MaxFilenameLength, so reduce
//allowable filename length by 5 chars, allowing for up to 99 duplicates.
var maxFilenameLength = LongPath.MaxFilenameLength -
(i < pathParts.Count - 1 || string.IsNullOrEmpty(fileExtension) ? 0 : fileExtension.Length + 5);
while (part.Sum(LongPath.GetFilesystemStringLength) > maxFilenameLength)
{
int maxLength = part.Max(p => p.Length);
var maxEntry = part.First(p => p.Length == maxLength);