public static BlobFileModel GetFileInfo(BlobFileType fileType, string key, bool withFileData = true)
{
CloudBlobContainer container = GetContainer(fileType.ToString());
CloudBlockBlob blob = container.GetBlockBlobReference(key);
if (blob == null || !blob.Exists())
return null;
blob.FetchAttributes();
BlobFileModel file = new BlobFileModel(blob, withFileData);
return file;
}
public static void InsertFileWithStaticName(BlobFileType fileType, string staticFileName, BlobFileModel file,
string userId = "")
{
CloudBlobContainer container = GetContainer(fileType.ToString());
CloudBlockBlob blob = container.GetBlockBlobReference(staticFileName);
file.Data.Position = 0;
blob.UploadFromStream(file.Data);
blob.Metadata["FileName"] = file.FileName;
blob.Metadata["ContentType"] = file.ContentType;
blob.Metadata["ContentLength"] = file.Data.Length.ToString();
blob.Metadata["BlobFileType"] = fileType.ToString();
blob.Metadata["DtUploaded"] = DateTime.Now.ToString(CultureInfo.InvariantCulture);
blob.SetMetadata();
}
public BlobFile AddWatermark(string userId, BlobFile blobFileOriginal, HttpPostedFileBase file)
{
Stream stream = AddWaterMarkToImage(file);
BlobFileModel blobWatermark = new BlobFileModel(stream, string.Format("{0}", blobFileOriginal.Filename), "image/png");
BlobFile blobFile = new BlobFile
{
Container = (int)BlobFileType.ImagesWaterMark,
CreatedBy = userId,
Filename = blobWatermark.FileName,
BlobKey = Common.GetGuid(),
dtCreated = DateTime.Now
};
CloudStorageManagerHelper.InsertFileWithStaticName((BlobFileType)blobFile.Container, blobFile.BlobKey, blobWatermark, userId);
return blobFile;
}
/// <summary>
/// insert File in the Blob.
/// Modify the image to add a watermark and add to a Blob.
/// </summary>
/// <param name="userId"></param>
/// <param name="file"></param>
/// <returns>return List of blobs relationship with the image</returns>
public List<BlobFile> CreateImage(string userId, HttpPostedFileBase file)
{
BlobFileModel blobOriginal = new BlobFileModel(file);
BlobFile blobFile = new BlobFile
{
Container = (int)BlobFileType.ImagesOriginal,
CreatedBy = userId,
Filename = blobOriginal.FileName,
BlobKey = Common.GetGuid(),
dtCreated = DateTime.Now
};
CloudStorageManagerHelper.InsertFileWithStaticName(BlobFileType.ImagesOriginal, blobFile.BlobKey, blobOriginal, userId);
List<BlobFile> lst = new List<BlobFile>();
lst.Add(blobFile);
lst.Add(AddWatermark(userId,blobFile, file));
return lst;
}
public static BlobFileModel GetFileInfo(BlobFileType fileType, string key, DateTime filerDate,
bool withFileData = true)
{
CloudBlobContainer container = GetContainer(fileType.ToString());
CloudBlockBlob blob = container.GetBlockBlobReference(key);
if (blob == null || !blob.Exists())
return null;
blob.FetchAttributes();
if (!blob.Metadata.Any() &&
(blob.Metadata["DtUploaded"] == null || Convert.ToDateTime(blob.Metadata["DtUploaded"]) > filerDate))
{
blob.Delete();
return null;
}
BlobFileModel file = new BlobFileModel(blob, withFileData);
return file;
}
public static void SaveImagesBlob(string userId, HttpPostedFileBase upImage)
{
#region Create Blob Original Image
BlobFileModel blobOriginal = new BlobFileModel(upImage);
BlobFile blobFile = new BlobFile
{
Container = (int)BlobFileType.ImagesOriginal,
CreatedBy = userId,
Filename = blobOriginal.FileName,
BlobKey = Common.GetGuid(),
dtCreated = DateTime.Now
};
#endregion
CloudStorageManagerHelper.InsertFileWithStaticName(BlobFileType.ImagesOriginal, blobFile.BlobKey, blobOriginal, userId);
BlobFileModel blobWaterMark = CloudStorageManagerHelper.GetFileInfo(BlobFileType.ImagesOriginal, "Watermark.png");
Bitmap imageWithWaterMark= AddWaterMark(blobOriginal.Data);
byte[] data = imageWithWaterMark.ImageToByteArray();
BlobFileModel blobImageWithWaterMark = new BlobFileModel(imageWithWaterMark.ToStream(ImageFormat.Png), string.Format("{0}_WaterMark", blobOriginal.FileName),
"Image");
BlobFile blobFileWithWaterMark = new BlobFile
{
Container = (int)BlobFileType.ImagesWaterMark,
CreatedBy = userId,
Filename = blobImageWithWaterMark.FileName,
BlobKey = Common.GetGuid(),
dtCreated = DateTime.Now
};
CloudStorageManagerHelper.InsertFileWithStaticName((BlobFileType)blobFileWithWaterMark.Container, blobFileWithWaterMark.BlobKey, blobImageWithWaterMark, userId);
var blobHelper = new BlobFilesHelper();
blobHelper.Add(blobFileWithWaterMark);
}
/// <summary>
/// Save the Shopping Cart Data
/// </summary>
/// <param name="userId"></param>
/// <param name="shopCart"></param>
private static void SaveCart(string userId, ShoppingCartModel shopCart)
{
// Serialize the object Shopping Cart model to json
var serializer = new JavaScriptSerializer();
string content = serializer.Serialize(shopCart);
string key = string.Format("{0}_Cart", userId);
// Create the blob model
BlobFilesHelper blobFileHelper = new BlobFilesHelper();
BlobFileModel blob = new BlobFileModel(content, key, "String");
BlobFile blobFile = null;
if (blobFileHelper.Exist(key))
{
// Get the blob File
blobFile = blobFileHelper.GetByKey(key);
blobFileHelper.Update(blobFile);
}
else
{
// Create the blob File
blobFile = new BlobFile
{
Container = (int)BlobFileType.Cart,
CreatedBy = userId,
Filename = blob.FileName,
BlobKey = blob.FileName,
dtCreated = DateTime.Now
};
blobFileHelper.Add(blobFile);
}
// Save the Blob model in Azure Storage
CloudStorageManagerHelper.InsertFileWithStaticName((BlobFileType)blobFile.Container, key, blob);
}
