public async void PhotoUpdated(int position, PhotoUploadStatus newStatus = PhotoUploadStatus.Pending)
{
CustomerPhotoController controller = new CustomerPhotoController();
CustomerPhoto photo = this.CustomerPhotos[position];
photo.PhotoUploadStatus = newStatus;
await controller.SaveAsync(photo);
CustomerPhoto backUpPhoto = new CustomerPhoto
{
CustomerIdentifier = this.CustomerPhotos[position].CustomerIdentifier,
FilePath = this.CustomerPhotos[position].FilePath,
Phone = this.CustomerPhotos[position].Phone,
PhotoStatus = this.CustomerPhotos[position].PhotoStatus,
PhotoUploadStatus = this.CustomerPhotos[position].PhotoUploadStatus,
TypeOfPhoto = this.CustomerPhotos[position].TypeOfPhoto,
Id = this.CustomerPhotos[position].Id,
Created = this.CustomerPhotos[position].Created,
Modified = this.CustomerPhotos[position].Modified
};
this.CustomerPhotos.RemoveAt(position);
this.CustomerPhotos.Insert(position, backUpPhoto);
this.RaisePropertyChanged(() => this.CustomerPhotos);
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
PhotoUploadStatus status = (PhotoUploadStatus)value;
switch (status)
{
case PhotoUploadStatus.Completing:
return("../Assets/Images/completing-16.png");
case PhotoUploadStatus.Succeeded:
return("../Assets/Images/success-16.png");
case PhotoUploadStatus.Canceled:
return("../Assets/Images/cancel-16.png");
case PhotoUploadStatus.Error:
return("../Assets/Images/error-16.png");
default:
return(DependencyProperty.UnsetValue);
}
}
private async Task <Dictionary <Guid, PhotoUploadStatus> > Upload(List <CustomerPhoto> photos)
{
var photoUploadStatusDict = new Dictionary <Guid, PhotoUploadStatus>();
CustomerPhoto currentPhotoForUpload = null;
PhotoUploadStatus photoUploadStatus = PhotoUploadStatus.Pending;
try
{
if (_connectivityService.HasConnection() && photos.Any())
{
Logger.Verbose("Total number of Photos available " + photos.Count);
// loop through existing customer photos, if any
foreach (var photo in photos)
{
currentPhotoForUpload = photo;
photoUploadStatus = photo.PhotoUploadStatus;
var photoName = Path.GetFileName(currentPhotoForUpload.FilePath);
Logger.Verbose("About to process Photo : " + photoName);
Logger.Verbose("DSR Country Code");
Logger.Verbose(Settings.Instance.DsrCountryCode.ToString().ToLower());
// build up a blob name that includes the phone and national id number of the customer as well as country prefix
var blobName = currentPhotoForUpload.Phone + "_" + currentPhotoForUpload.CustomerIdentifier + "_" + Settings.Instance.DsrCountryCode.ToString().ToLower() + "_" + Path.GetFileName(photoName);
var blockBlob = _photoBlobContainer.GetBlockBlobReference(Path.GetFileName(blobName));
// set the metadata of the blob to have customer's national id, type and description of photo
if (!string.IsNullOrEmpty(currentPhotoForUpload.CustomerIdentifier))
{
blockBlob.Metadata["NationalID"] = currentPhotoForUpload.CustomerIdentifier;
}
if (!string.IsNullOrEmpty(currentPhotoForUpload.Phone))
{
blockBlob.Metadata["PhoneNumber"] = currentPhotoForUpload.Phone;
}
if (currentPhotoForUpload.TypeOfPhoto > 0)
{
blockBlob.Metadata["PhotoType"] = currentPhotoForUpload.TypeOfPhoto.ToString();
}
// upload each photo to Azure Blob Storage
if (File.Exists(currentPhotoForUpload.FilePath))
{
using (var fileStream = File.OpenRead(currentPhotoForUpload.FilePath))
{
await blockBlob.UploadFromStreamAsync(fileStream);
Logger.Verbose("Photo uploaded to Azure Blob Storage : " + blobName);
}
}
// set the upload status to success
photoUploadStatus = PhotoUploadStatus.Successfull;
// save the photo's status to the database
currentPhotoForUpload.PhotoUploadStatus = photoUploadStatus;
await _photoController.SaveAsync(currentPhotoForUpload);
// update the photo status dictionary
photoUploadStatusDict.Add(currentPhotoForUpload.Id, currentPhotoForUpload.PhotoUploadStatus);
Logger.Verbose("Updated Customer Photo Status to Success");
}
}
}
catch (StorageException se)
{
Logger.Verbose("StorgeException Caught On Photo Upload");
// set the upload status to Fail
photoUploadStatus = PhotoUploadStatus.Failed;
var requestInformation = se.RequestInformation;
var errorCode = requestInformation.ExtendedErrorInformation.ErrorCode;
var statusCode = (HttpStatusCode)requestInformation.HttpStatusCode;
Logger.Verbose(errorCode);
Logger.Verbose(statusCode.ToString());
// if it is an authentication failure then it means the SAS Token has probably expired and a new one is needed
if (errorCode == StorageErrorCodeStrings.AuthenticationFailed)
{
// SAS Token probably has expired
Logger.Verbose("SAS Token Expired");
// TODO Add code to request new SAS Token from OTA Settings or API Call
}
}
catch (Exception e)
{
Logger.Verbose("General Exception Caught On Photo Upload");
Logger.Verbose(e.Message);
// set the upload status to Fail
photoUploadStatus = PhotoUploadStatus.Failed;
Logger.Error(e);
}
try
{
// if the upload failed, update the database accordingly, but from another try/catch block
if (photoUploadStatus == PhotoUploadStatus.Failed && currentPhotoForUpload != null)
{
currentPhotoForUpload.PhotoUploadStatus = photoUploadStatus;
await _photoController.SaveAsync(currentPhotoForUpload);
// update the photo status dictionary
photoUploadStatusDict.Add(currentPhotoForUpload.Id, currentPhotoForUpload.PhotoUploadStatus);
Logger.Verbose("Updated Customer Photo Status to Failed");
}
}
catch (Exception dbe)
{
Logger.Verbose("General Exception Caught In CustomerPhoto Table Updated on Failed Upload");
Logger.Verbose(dbe);
Logger.Error(dbe);
}
return(photoUploadStatusDict);
}