/// <summary> /// Inserts a new binary property value into the metadata database and the blob storage, /// removing the previous one if the content is not new. /// </summary> /// <param name="blobProvider">Blob storage provider.</param> /// <param name="value">Binary data to insert.</param> /// <param name="versionId">Content version id.</param> /// <param name="propertyTypeId">Binary property type id.</param> /// <param name="isNewNode">Whether this value belongs to a new or an existing node.</param> public void InsertBinaryProperty(IBlobProvider blobProvider, BinaryDataValue value, int versionId, int propertyTypeId, bool isNewNode) { var streamLength = value.Stream?.Length ?? 0; var ctx = new BlobStorageContext(blobProvider) { VersionId = versionId, PropertyTypeId = propertyTypeId, FileId = 0, Length = streamLength }; // In case of an external provider allocate the place for bytes and // write the stream beforehand and get the generated provider data. // Note that the external provider does not need an existing record // in the Files table to work, it just stores the bytes. if (blobProvider != BlobStorageBase.BuiltInProvider && streamLength > 0) { blobProvider.Allocate(ctx); using (var stream = blobProvider.GetStreamForWrite(ctx)) value.Stream?.CopyTo(stream); value.BlobProviderName = ctx.Provider.GetType().FullName; value.BlobProviderData = BlobStorageContext.SerializeBlobProviderData(ctx.BlobProviderData); } SqlProcedure cmd = null; try { cmd = new SqlProcedure { CommandText = isNewNode ? InsertBinaryPropertyScript : DeleteAndInsertBinaryProperty, CommandType = CommandType.Text }; cmd.Parameters.Add("@VersionId", SqlDbType.Int).Value = versionId != 0 ? (object)versionId : DBNull.Value; cmd.Parameters.Add("@PropertyTypeId", SqlDbType.Int).Value = propertyTypeId != 0 ? (object)propertyTypeId : DBNull.Value; cmd.Parameters.Add("@ContentType", SqlDbType.NVarChar, 450).Value = value.ContentType; cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.NVarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? DBNull.Value : (object)value.FileName.FileNameWithoutExtension; cmd.Parameters.Add("@Extension", SqlDbType.NVarChar, 50).Value = ValidateExtension(value.FileName.Extension); cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value = Math.Max(0, value.Size); cmd.Parameters.Add("@BlobProvider", SqlDbType.NVarChar, 450).Value = value.BlobProviderName != null ? (object)value.BlobProviderName : DBNull.Value; cmd.Parameters.Add("@BlobProviderData", SqlDbType.NVarChar, int.MaxValue).Value = value.BlobProviderData != null ? (object)value.BlobProviderData : DBNull.Value; cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value = value.Checksum != null ? (object)value.Checksum : DBNull.Value; // insert binary and file rows and retrieve new ids. using (var reader = cmd.ExecuteReader()) { reader.Read(); value.Id = Convert.ToInt32(reader[0]); value.FileId = Convert.ToInt32(reader[1]); value.Timestamp = Utility.Convert.BytesToLong((byte[])reader.GetValue(2)); } } finally { cmd.Dispose(); } // The BuiltIn blob provider saves the stream after the record // was saved into the Files table, because simple varbinary // column must exist before we can write a stream into the record. // ReSharper disable once InvertIf if (blobProvider == BlobStorageBase.BuiltInProvider && value.Stream != null && value.Stream.Length > 0) { ctx.FileId = value.FileId; ctx.BlobProviderData = new BuiltinBlobProviderData(); BuiltInBlobProvider.AddStream(ctx, value.Stream); } }
/// <summary> /// Updates an existing binary property value in the database and the blob storage. /// </summary> /// <param name="blobProvider">Blob storage provider.</param> /// <param name="value">Binary data to update.</param> public void UpdateBinaryProperty(IBlobProvider blobProvider, BinaryDataValue value) { var streamLength = value.Stream?.Length ?? 0; if (blobProvider != BlobStorageBase.BuiltInProvider && streamLength > 0) { var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData) { VersionId = 0, PropertyTypeId = 0, FileId = value.FileId, Length = streamLength, }; blobProvider.Allocate(ctx); using (var stream = blobProvider.GetStreamForWrite(ctx)) value.Stream?.CopyTo(stream); value.BlobProviderName = ctx.Provider.GetType().FullName; value.BlobProviderData = BlobStorageContext.SerializeBlobProviderData(ctx.BlobProviderData); } else { value.BlobProviderName = null; value.BlobProviderData = null; } if (blobProvider == BlobStorageBase.BuiltInProvider) { // MS-SQL does not support stream size over [Int32.MaxValue]. if (streamLength > int.MaxValue) { throw new NotSupportedException(); } } var isRepositoryStream = value.Stream is RepositoryStream; var hasStream = isRepositoryStream || value.Stream is MemoryStream; if (!hasStream) { // do not do any database operation if the stream is not modified return; } SqlProcedure cmd = null; try { string sql; CommandType commandType; if (blobProvider == BlobStorageBase.BuiltInProvider) { commandType = CommandType.StoredProcedure; sql = "proc_BinaryProperty_Update"; } else { commandType = CommandType.Text; sql = UpdateBinaryPropertyNewFilerowScript; } cmd = new SqlProcedure { CommandText = sql, CommandType = commandType }; cmd.Parameters.Add("@BinaryPropertyId", SqlDbType.Int).Value = value.Id; cmd.Parameters.Add("@ContentType", SqlDbType.NVarChar, 450).Value = value.ContentType; cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.NVarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? DBNull.Value : (object)value.FileName.FileNameWithoutExtension; cmd.Parameters.Add("@Extension", SqlDbType.NVarChar, 50).Value = ValidateExtension(value.FileName.Extension); cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value = value.Size; cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value = value.Checksum != null ? (object)value.Checksum : DBNull.Value; cmd.Parameters.Add("@BlobProvider", SqlDbType.NVarChar, 450).Value = value.BlobProviderName != null ? (object)value.BlobProviderName : DBNull.Value; cmd.Parameters.Add("@BlobProviderData", SqlDbType.NVarChar, int.MaxValue).Value = value.BlobProviderData != null ? (object)value.BlobProviderData : DBNull.Value; var fileId = (int)cmd.ExecuteScalar(); if (fileId > 0 && fileId != value.FileId) { value.FileId = fileId; } } finally { cmd.Dispose(); } // ReSharper disable once InvertIf if (blobProvider == BlobStorageBase.BuiltInProvider && !isRepositoryStream && streamLength > 0) { // Stream exists and is loaded -> write it var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData) { VersionId = 0, PropertyTypeId = 0, FileId = value.FileId, Length = streamLength, BlobProviderData = new BuiltinBlobProviderData() }; BuiltInBlobProvider.UpdateStream(ctx, value.Stream); } }
/// <summary> /// Updates an existing binary property value in the database and the blob storage. /// </summary> /// <param name="blobProvider">Blob storage provider.</param> /// <param name="value">Binary data to update.</param> public void UpdateBinaryProperty(IBlobProvider blobProvider, BinaryDataValue value) { var streamLength = value.Stream?.Length ?? 0; if (blobProvider != BlobStorageBase.BuiltInProvider && streamLength > 0) { var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData) { VersionId = 0, PropertyTypeId = 0, FileId = value.FileId, Length = streamLength, UseFileStream = false }; blobProvider.Allocate(ctx); using (var stream = blobProvider.GetStreamForWrite(ctx)) value.Stream?.CopyTo(stream); value.BlobProviderName = ctx.Provider.GetType().FullName; value.BlobProviderData = BlobStorageContext.SerializeBlobProviderData(ctx.BlobProviderData); } else { value.BlobProviderName = null; value.BlobProviderData = null; } if (blobProvider == BlobStorageBase.BuiltInProvider && !BlobStorage.FileStreamEnabled) { // MS-SQL does not support stream size over [Int32.MaxValue], // but check only if Filestream is not enabled if (streamLength > int.MaxValue) { throw new NotSupportedException(); } } var isRepositoryStream = value.Stream is RepositoryStream || value.Stream is SenseNetSqlFileStream; var hasStream = isRepositoryStream || value.Stream is MemoryStream; if (!hasStream) { // do not do any database operation if the stream is not modified return; } FileStreamData fileStreamData = null; SqlProcedure cmd = null; try { string sql; CommandType commandType; if (blobProvider == BlobStorageBase.BuiltInProvider) { commandType = CommandType.StoredProcedure; sql = "proc_BinaryProperty_Update"; } else { commandType = CommandType.Text; sql = BlobStorage.FileStreamEnabled ? UpdateBinarypropertyNewFilerowFilestreamScript : UpdateBinarypropertyNewFilerowScript; } cmd = new SqlProcedure { CommandText = sql, CommandType = commandType }; cmd.Parameters.Add("@BinaryPropertyId", SqlDbType.Int).Value = value.Id; cmd.Parameters.Add("@ContentType", SqlDbType.NVarChar, 450).Value = value.ContentType; cmd.Parameters.Add("@FileNameWithoutExtension", SqlDbType.NVarChar, 450).Value = value.FileName.FileNameWithoutExtension == null ? DBNull.Value : (object)value.FileName.FileNameWithoutExtension; cmd.Parameters.Add("@Extension", SqlDbType.NVarChar, 50).Value = ValidateExtension(value.FileName.Extension); cmd.Parameters.Add("@Size", SqlDbType.BigInt).Value = value.Size; cmd.Parameters.Add("@Checksum", SqlDbType.VarChar, 200).Value = value.Checksum != null ? (object)value.Checksum : DBNull.Value; cmd.Parameters.Add("@BlobProvider", SqlDbType.NVarChar, 450).Value = value.BlobProviderName != null ? (object)value.BlobProviderName : DBNull.Value; cmd.Parameters.Add("@BlobProviderData", SqlDbType.NVarChar, int.MaxValue).Value = value.BlobProviderData != null ? (object)value.BlobProviderData : DBNull.Value; int fileId; if (BlobStorage.FileStreamEnabled) { string path; byte[] transactionContext; // Update row and retrieve file path and // transaction context for the Filestream column using (var reader = cmd.ExecuteReader()) { reader.Read(); fileId = reader.GetInt32(0); path = reader.GetSafeString(1); transactionContext = reader.IsDBNull(2) ? null : reader.GetSqlBytes(2).Buffer; } if (!string.IsNullOrEmpty(path)) { fileStreamData = new FileStreamData { Path = path, TransactionContext = transactionContext } } ; } else { fileId = (int)cmd.ExecuteScalar(); } if (fileId > 0 && fileId != value.FileId) { value.FileId = fileId; } } finally { cmd?.Dispose(); } // ReSharper disable once InvertIf if (blobProvider == BlobStorageBase.BuiltInProvider && !isRepositoryStream && streamLength > 0) { // Stream exists and is loaded -> write it var ctx = new BlobStorageContext(blobProvider, value.BlobProviderData) { VersionId = 0, PropertyTypeId = 0, FileId = value.FileId, Length = streamLength, UseFileStream = fileStreamData != null, BlobProviderData = new BuiltinBlobProviderData { FileStreamData = fileStreamData } }; BuiltInBlobProvider.UpdateStream(ctx, value.Stream); } }