public ExifData Read(string filePath)
{
if (_cacheDates.TryGetValue(filePath, out var result))
{
return(result);
}
var exifData = GetExifData(filePath);
var resultDateTime = GetCreationDate(filePath, exifData);
var cameraModel = exifData?.CameraModel ?? "No Model";
result = new ExifData(resultDateTime, cameraModel, exifData != null);
_cacheDates[filePath] = result;
return(result);
}
private DateTime GetCreationDate(string filePath, ExifData data)
{
var resultDateTime = data?.CreationDateTime ?? DateTime.MinValue;
if (resultDateTime != DateTime.MinValue)
{
return(resultDateTime);
}
if (DateParseFromFileNameService.TryGetFrom(filePath, out var fileNameDate))
{
return(fileNameDate);
}
var creation = File.GetCreationTime(filePath);
var modified = File.GetLastWriteTime(filePath);
return(creation < modified ? creation : modified);
}
