public PhotoProcessorResponse Process(PhotoProcessorRequest photoProcessorRequest)
{
var photoProcessorResponse = new PhotoProcessorResponse();
// Parse the package (e.g. zip file) for photos.
var files = archiveParser.Parse(photoProcessorRequest.FileBytes);
// Read out all of the files into "OriginalPhoto" instances.
var originalPhotos = packageReader.GetPhotos(files);
// Iterate through each photo found.
foreach (var originalPhoto in originalPhotos)
{
photoProcessorResponse.TotalRecords++;
var errorMessage = ProcessPhoto(photoProcessorRequest, originalPhoto);
// If an error message is returned, then add it to the response. If no error is
// returned, we'll assume that it was successfully processed.
if (errorMessage != null)
photoProcessorResponse.ErrorMessages.Add(errorMessage);
else
photoProcessorResponse.SuccessfullyProcessedPhotos++;
}
return photoProcessorResponse;
}
private string ProcessPhoto(PhotoProcessorRequest photoProcessorRequest, OriginalPhoto originalPhoto)
{
if (originalPhoto.Photo == null)
return string.Format("Could not find a photo for {0}", originalPhoto.FriendlyName);
// Lookup the identifier and load a record.
var identifierRequest = new IdentifierRequest { LocalEducationAgencyId = photoProcessorRequest.LocalEducationAgencyId, SchoolId = photoProcessorRequest.SchoolId, OriginalPhoto = originalPhoto };
var identifier = identifierProvider.Get(identifierRequest);
if (identifier == null)
return string.Format("Unable to find a record in the database for {0}", originalPhoto.FriendlyName);
// Each photo that reaches this point has a valid identifier, so resize and save.
var photos = new Dictionary<PhotoCategory, byte[]> { { PhotoCategory.Original, originalPhoto.Photo } };
photoResizer.Resize(photos);
photoStorage.Save(identifier, photos);
return null;
}