public ViewResult Get(PhotoManagementPostRequest request)
{
if (request.File == null)
{
// Make sure a file has been uploaded.
var returnValue = photoManagementService.Get(new PhotoManagementRequest { LocalEducationAgencyId = request.LocalEducationAgencyId });
returnValue.ErrorMessages = new List<string> { "Please select a file to upload." };
returnValue.SuccessfullyProcessedPhotos = 0;
returnValue.TotalRecords = 0;
return View(returnValue);
}
var contentRange = ContentRange();
var fileCollection = request.File as IEnumerable<HttpPostedFileBase>;
var file = fileCollection.ElementAt(0);
var fileBytes = new byte[file.InputStream.Length];
var cacheKey = GetCacheKey(request.LocalEducationAgencyId, file.FileName);
file.InputStream.Read(fileBytes, 0, (int)file.InputStream.Length);
if (contentRange > 0)
{
// This file is being uploaded in chunks. Take this first chunk and add it to whatever else is in cache.
// Then compare it against the content range. If the total file bytes are the same as the content range,
// then start the processing of the file. Otherwise, return null.
var existingFileBytes = sessionStateProvider[cacheKey] as byte[] ?? new byte[0];
fileBytes = existingFileBytes.Concat(fileBytes).ToArray();
if (fileBytes.Length == contentRange)
{
// Remove this from the cache and process the file.
sessionStateProvider.RemoveValue(cacheKey);
}
else if (fileBytes.Length > contentRange)
{
// Something is wrong. This should never happen. Get rid of the file and
// start over.
sessionStateProvider.RemoveValue(cacheKey);
return View((object)false);
}
else
{
// This is just part of a larger file. Store it for later.
sessionStateProvider.SetValue(cacheKey, fileBytes);
return View((object)false);
}
}
// The full file has been uploaded. Process it.
request.File = fileBytes;
return View(photoManagementService.Post(request));
}
protected override void ExecuteTest()
{
var request = new PhotoManagementPostRequest
{
SchoolIdToLoadImagesTo = 123, // Incorrect school Id.
LocalEducationAgencyId = LocalEducationAgencyId
};
photoManagementModel = photoManagementService.Post(request);
}
