void Copy(FileSystemItemInfo sourceItem, FileSystemItemInfo destinationItem, bool deleteSource = false)
{
string sourceKey = GetFileItemPath(sourceItem);
string destinationKey = GetFileItemPath(destinationItem) + "/" + sourceItem.Name;
Copy(sourceKey, destinationKey, deleteSource);
}
void ThrowItemNotFoundException(FileSystemItemInfo item)
{
var itemType = item.IsDirectory ? "Directory" : "File";
var errorCode = item.IsDirectory ? FileSystemErrorCode.DirectoryNotFound : FileSystemErrorCode.FileNotFound;
string message = $"{itemType} '{item.Path}' not found.";
throw new FileSystemException(errorCode, message);
}
static bool AllowCopyOrMove(FileSystemItemInfo item, FileSystemItemInfo destinationDirectory)
{
if (destinationDirectory.PathKeys.Length < item.PathKeys.Length)
{
return(true);
}
var isValid = false;
for (var i = 0; i < destinationDirectory.PathKeys.Length && !isValid; i++)
{
isValid = destinationDirectory.PathKeys[i] != item.PathKeys[i];
}
return(isValid);
}
bool IsFileItemExists(FileSystemItemInfo itemInfo)
{
var pathKeys = itemInfo.PathKeys.Select(key => ParseKey(key)).ToArray();
var foundEntries = FileManagementDbContext.FileItems
.Where(item => pathKeys.Contains(item.Id))
.Select(item => new { item.Id, item.ParentId, item.Name, item.IsDirectory });
var pathNames = itemInfo.Path.Split(new[] { Path.DirectorySeparatorChar }, StringSplitOptions.RemoveEmptyEntries);
var isDirectoryExists = true;
for (var i = 0; i < pathKeys.Length && isDirectoryExists; i++)
{
var entry = foundEntries.FirstOrDefault(e => e.Id == pathKeys[i]);
isDirectoryExists = entry != null && entry.Name == pathNames[i] &&
(i == 0 && entry.ParentId == 0 || entry.ParentId == pathKeys[i - 1]);
if (isDirectoryExists && i < pathKeys.Length - 1)
{
isDirectoryExists = entry.IsDirectory;
}
}
return(isDirectoryExists);
}
string GetFileItemPath(FileSystemItemInfo item)
{
return(item.Path.Replace('\\', '/'));
}
FileItem GetFileItem(FileSystemItemInfo item)
{
var itemId = ParseKey(item.Key);
return(FileManagementDbContext.FileItems.FirstOrDefault(i => i.Id == itemId));
}
