public async Task <ProcessedDownloadedFile> ProcessImageAsync(DownloadedFileInfo downloadedFile)
{
using var imageProcessor = new ImageProcessor(downloadedFile.FileContents);
imageProcessor.Rotate();
var sizeFileIdMap = new Dictionary <int, long>();
foreach (var size in _imageProcessingSettings.Sizes)
{
imageProcessor.Crop(size);
var bytes = imageProcessor.GetImageBytes();
var savedFile = await _imageUploadService.SaveThumbnailAsync(bytes, downloadedFile.ResourceName,
downloadedFile.UserName, downloadedFile.Source, size);
sizeFileIdMap.Add(size, savedFile.Id);
}
DateTime?dateTimeTaken = null;
string exifString = null;
double? longitude = null;
double? latitude = null;
var exifExtractor = new ExifExtractor();
var exif = exifExtractor.GetDataAsync(downloadedFile.FileContents);
if (exif != null)
{
dateTimeTaken = GetDate(exif);
var gps = exif.Gps;
if (gps != null)
{
latitude = gps.Latitude != null && gps.LatitudeRef != null
? GpsHelper.ConvertLatitude(gps.Latitude, gps.LatitudeRef)
: (double?)null;
longitude = gps.Longitude != null && gps.LongitudeRef != null
? GpsHelper.ConvertLongitude(gps.Longitude, gps.LongitudeRef)
: (double?)null;
}
exifString = JsonConvert.SerializeObject(exif);
}
return(new ProcessedDownloadedFile
{
FileName = downloadedFile.ResourceName,
FileSource = downloadedFile.Source,
Thumbs = sizeFileIdMap,
Path = downloadedFile.Path,
FileCreatedOn = downloadedFile.CreatedOn,
PhotoTakenOn = dateTimeTaken,
ExifString = exifString,
Latitude = latitude,
Longitude = longitude
});
}
