private async Task <ImageMetadata> SaveData(AnalysisResultViewModel data)
{
var fileName = Path.GetFileName(data.ImageLocalPath);
Func <Task <Stream> > imageCB;
try
{
if (blobStorage == null || cosmosDb == null)
{
BlobStorageHelper.ContainerName = ConfigurationManager.AppSettings["ContainerName"];
BlobStorageHelper.ConnectionString = ConfigurationManager.AppSettings["StorageConnectionString"];
blobStorage = await BlobStorageHelper.BuildAsync();
CosmosDBHelper.AccessKey = ConfigurationManager.AppSettings["CosmosDBKey"];
CosmosDBHelper.EndpointUri = ConfigurationManager.AppSettings["CosmosDBEndpointURI"];
CosmosDBHelper.DatabaseName = ConfigurationManager.AppSettings["DatabaseName"];
CosmosDBHelper.CollectionName = ConfigurationManager.AppSettings["CollectionName"];
cosmosDb = await CosmosDBHelper.BuildAsync();
}
var existing = await cosmosDb.FindDocumentByIdAsync <ImageMetadata>(fileName);
var resized = ImageResizer.ResizeIfRequired(Server.MapPath(data.ImageLocalPath), 750);
imageCB = async() => System.IO.File.OpenRead(resized.Item2);
var imageBlob = await blobStorage.UploadImageAsync(imageCB, fileName);
var metadata = new ImageMetadata(data.ImageLocalPath);
metadata.AddInsights(data.Insights);
metadata.BlobUri = imageBlob.Uri;
metadata.TaggedBy = User.Identity.Name;
if (existing == null)
{
metadata = (await cosmosDb.CreateDocumentIfNotExistsAsync(metadata, metadata.Id)).Item2;
}
else
{
metadata = await cosmosDb.UpdateDocumentAsync(metadata, metadata.Id);
}
return(metadata);
}
catch (Exception ex)
{
return(null);
}
}