示例#1
0
        /// <summary>
        /// Uploads the image.
        /// </summary>
        /// <param name="rootFolderId">The root folder id.</param>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="fileLength">Length of the file.</param>
        /// <param name="fileStream">The file stream.</param>
        /// <param name="reuploadMediaId">The reupload media identifier.</param>
        /// <param name="overrideUrl">if set to <c>true</c> override URL.</param>
        /// <returns>
        /// Image entity.
        /// </returns>
        public MediaImage UploadImage(Guid rootFolderId, string fileName, long fileLength, Stream fileStream, Guid reuploadMediaId, bool overrideUrl = true)
        {
            overrideUrl = false; // TODO: temporary disabling feature #1055.
            using (var thumbnailFileStream = new MemoryStream())
            {
                var folderName = mediaFileService.CreateRandomFolderName();

                fileStream = RotateImage(fileStream);
                var size = GetSize(fileStream);

                CreatePngThumbnail(fileStream, thumbnailFileStream, ThumbnailSize);

                if (!reuploadMediaId.HasDefaultValue())
                {
                    // Re-uploading image: Get original image, folder name, file extension, file name
                    MediaImage reuploadImage = (MediaImage)repository.First <MediaImage>(image => image.Id == reuploadMediaId).Clone();
                    reuploadImage.IsTemporary = true;
                    var publicFileName = RemoveInvalidHtmlSymbols(MediaImageHelper.CreatePublicFileName(fileName, Path.GetExtension(fileName)));

                    // Create new original image and upload file stream to the storage
                    reuploadImage = CreateImage(rootFolderId, fileName, Path.GetExtension(fileName), fileName, size, fileLength, thumbnailFileStream.Length);
                    mediaImageVersionPathService.SetPathForNewOriginal(reuploadImage, folderName, publicFileName);

                    unitOfWork.BeginTransaction();
                    repository.Save(reuploadImage);
                    unitOfWork.Commit();

                    StartTasksForImage(reuploadImage, fileStream, thumbnailFileStream, false);

                    return(reuploadImage);
                }
                else
                {
                    // Uploading new image
                    var publicFileName = RemoveInvalidHtmlSymbols(MediaImageHelper.CreatePublicFileName(fileName, Path.GetExtension(fileName)));

                    // Create new original image and upload file stream to the storage
                    MediaImage originalImage = CreateImage(rootFolderId, fileName, Path.GetExtension(fileName), fileName, size, fileLength, thumbnailFileStream.Length);
                    mediaImageVersionPathService.SetPathForNewOriginal(originalImage, folderName, publicFileName);

                    unitOfWork.BeginTransaction();
                    repository.Save(originalImage);
                    unitOfWork.Commit();

                    StartTasksForImage(originalImage, fileStream, thumbnailFileStream, false);

                    return(originalImage);
                }
            }
        }
        /// <summary>
        /// Uploads the image.
        /// </summary>
        /// <param name="rootFolderId">The root folder id.</param>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="fileLength">Length of the file.</param>
        /// <param name="fileStream">The file stream.</param>
        /// <param name="reuploadMediaId">The reupload media identifier.</param>
        /// <param name="overrideUrl">if set to <c>true</c> override URL.</param>
        /// <returns>
        /// Image entity.
        /// </returns>
        public MediaImage UploadImage(Guid rootFolderId, string fileName, long fileLength, Stream fileStream, Guid reuploadMediaId, bool overrideUrl = true)
        {
            overrideUrl = false; // TODO: temporary disabling feature #1055.

            var folderName     = mediaFileService.CreateRandomFolderName();
            var publicFileName = MediaHelper.RemoveInvalidPathSymbols(MediaImageHelper.CreatePublicFileName(fileName, Path.GetExtension(fileName)));
            var fileExtension  = Path.GetExtension(fileName);
            var imageType      = ImageHelper.GetImageType(fileExtension);

            MediaImage uploadImage         = null;
            var        thumbnailFileStream = new MemoryStream();
            Size       size;
            Size       thumbnailSize = ThumbnailSize;
            long       thumbnailImageLength;

            /* Upload standard raster type images */
            if (imageType == ImageType.Raster)
            {
                fileStream = RotateImage(fileStream);
                size       = GetSize(fileStream);

                CreatePngThumbnail(fileStream, thumbnailFileStream, ThumbnailSize);
                thumbnailImageLength = thumbnailFileStream.Length;
            }
            /* Upload vector graphics images */
            else
            {
                size = Size.Empty;
                ReadParametersFormVectorImage(fileStream, ref size);
                thumbnailImageLength = fileStream.Length;
                CreateSvgThumbnail(fileStream, thumbnailFileStream, ThumbnailSize);
            }

            try
            {
                if (!reuploadMediaId.HasDefaultValue())
                {
                    // Re-uploading image: Get original image, folder name, file extension, file name
                    uploadImage             = (MediaImage)repository.First <MediaImage>(image => image.Id == reuploadMediaId).Clone();
                    uploadImage.IsTemporary = true;

                    // Create new original image and upload file stream to the storage
                    uploadImage = CreateImage(rootFolderId, fileName, fileExtension, Path.GetFileName(fileName), size, fileLength);
                }
                else
                {
                    // Uploading new image
                    // Create new original image and upload file stream to the storage
                    uploadImage = CreateImage(
                        rootFolderId,
                        fileName,
                        fileExtension,
                        Path.GetFileName(fileName),
                        size,
                        fileLength);
                }
                SetThumbnailParameters(uploadImage, thumbnailSize, thumbnailImageLength);
                mediaImageVersionPathService.SetPathForNewOriginal(uploadImage, folderName, publicFileName, imageType);

                unitOfWork.BeginTransaction();
                repository.Save(uploadImage);
                unitOfWork.Commit();

                StartTasksForImage(uploadImage, fileStream, thumbnailFileStream, false);
            }
            finally
            {
                if (thumbnailFileStream != null)
                {
                    thumbnailFileStream.Dispose();
                }
            }

            return(uploadImage);
        }
        /// <summary>
        /// Uploads the image.
        /// </summary>
        /// <param name="rootFolderId">The root folder id.</param>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="fileLength">Length of the file.</param>
        /// <param name="fileStream">The file stream.</param>
        /// <param name="reuploadMediaId">The reupload media identifier.</param>
        /// <param name="overrideUrl">if set to <c>true</c> override URL.</param>
        /// <returns>
        /// Image entity.
        /// </returns>
        public MediaImage UploadImage(Guid rootFolderId, string fileName, long fileLength, Stream fileStream, Guid reuploadMediaId, bool overrideUrl = true)
        {
            overrideUrl = false; // TODO: temporary disabling feature #1055.
            using (var thumbnailFileStream = new MemoryStream())
            {
                MediaImage originalImage;
                string     folderName;
                string     publicFileName;

                fileStream = RotateImage(fileStream);
                var size = GetSize(fileStream);

                CreatePngThumbnail(fileStream, thumbnailFileStream, ThumbnailSize);

                if (!reuploadMediaId.HasDefaultValue())
                {
                    // Re-uploading image: Get original image, folder name, file extension, file name
                    originalImage = repository.First <MediaImage>(image => image.Id == reuploadMediaId);
                    folderName    = Path.GetFileName(Path.GetDirectoryName(originalImage.FileUri.OriginalString));
                    MediaImage clonedOriginalImage = (MediaImage)originalImage.Clone();
                    clonedOriginalImage.Original = originalImage;

                    // Get original file stream
                    using (var originalFileStream = DownloadFileStream(originalImage.PublicUrl))
                    {
                        // Get thumbnail file stream
                        using (var originalThumbnailFileStream = DownloadFileStream(originalImage.PublicThumbnailUrl))
                        {
                            // Check is re-uploaded image has the same extension as original
                            var reuploadedFileExtension = Path.GetExtension(fileName);
                            if (reuploadedFileExtension != null && !reuploadedFileExtension.Equals(originalImage.OriginalFileExtension))
                            {
                                fileStream = UpdateCodec(fileStream, originalFileStream);
                            }

                            // Create version file name for current original image
                            var historicalUrl = MediaImageHelper.CreateHistoricalVersionedFileName(
                                clonedOriginalImage.OriginalFileName,
                                clonedOriginalImage.OriginalFileExtension);

                            // Update urls with version file name
                            mediaImageVersionPathService.SetPathForArchive(clonedOriginalImage, folderName, historicalUrl);

                            unitOfWork.BeginTransaction();
                            repository.Save(clonedOriginalImage);
                            unitOfWork.Commit();

                            // Re-upload original and thumbnail images to version urls
                            StartTasksForImage(clonedOriginalImage, originalFileStream, originalThumbnailFileStream, originalImage.IsEdited());
                        }
                    }

                    UpdateImageProperties(originalImage, rootFolderId, originalImage.OriginalFileName, originalImage.OriginalFileExtension, originalImage.Title, size, fileLength,
                                          thumbnailFileStream.Length);

                    if (!overrideUrl)
                    {
                        publicFileName = MediaImageHelper.CreateVersionedFileName(originalImage.OriginalFileName, GetVersion(originalImage));
                        mediaImageVersionPathService.SetPathForNewOriginal(originalImage, folderName, publicFileName);
                    }
                }
                else
                {
                    // Uploading new image
                    folderName     = mediaFileService.CreateRandomFolderName();
                    publicFileName = MediaImageHelper.CreatePublicFileName(fileName, Path.GetExtension(fileName));

                    // Create new original image and upload file stream to the storage
                    originalImage = CreateImage(rootFolderId, fileName, Path.GetExtension(fileName), fileName, size, fileLength, thumbnailFileStream.Length);
                    mediaImageVersionPathService.SetPathForNewOriginal(originalImage, folderName, publicFileName);
                }

                unitOfWork.BeginTransaction();
                repository.Save(originalImage);
                unitOfWork.Commit();

                StartTasksForImage(originalImage, fileStream, thumbnailFileStream, false);

                return(originalImage);
            }
        }
        /// <summary>
        /// Uploads the image.
        /// </summary>
        /// <param name="rootFolderId">The root folder id.</param>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="fileLength">Length of the file.</param>
        /// <param name="fileStream">The file stream.</param>
        /// <returns>Image entity.</returns>
        public MediaImage UploadImage(Guid rootFolderId, string fileName, long fileLength, Stream fileStream, Guid reuploadMediaId, MediaImage filledInImage = null)
        {
            var size = GetSize(fileStream);

            using (var thumbnailFileStream = new MemoryStream())
            {
                MediaImage publicImage;
                string     folderName;
                string     publicFileName;

                fileStream = RotateImage(fileStream);
                CreatePngThumbnail(fileStream, thumbnailFileStream, ThumbnailSize);

                if (!reuploadMediaId.HasDefaultValue())
                {
                    // Re-uploading image: Get original image, folder name, file extension, file name
                    var originalImage = repository.First <MediaImage>(image => image.Id == reuploadMediaId);
                    folderName     = Path.GetFileName(Path.GetDirectoryName(originalImage.FileUri.OriginalString));
                    publicFileName = MediaImageHelper.CreatePublicFileName(originalImage.OriginalFileName, originalImage.OriginalFileExtension);

                    // Get original file stream
                    using (var originalFileStream = DownloadFileStream(originalImage.PublicUrl))
                    {
                        // Get thumbnail file stream
                        using (var originalThumbnailFileStream = DownloadFileStream(originalImage.PublicThumbnailUrl))
                        {
                            // Check is re-uploaded image has the same extension as original
                            var reuploadedFileExtension = Path.GetExtension(fileName);
                            if (reuploadedFileExtension != null && !reuploadedFileExtension.Equals(originalImage.OriginalFileExtension))
                            {
                                fileStream = UpdateCodec(fileStream, originalFileStream);
                            }

                            // Create version file name for current original image
                            var versionedFileName = MediaImageHelper.CreateVersionedFileName(
                                originalImage.OriginalFileName, originalImage.OriginalFileExtension, GetVersion(originalImage));

                            // Update urls with version file name
                            mediaImageVersionPathService.SetPathForArchive(originalImage, folderName, versionedFileName);

                            // Re-upload original and thumbnail images to version urls
                            StartTasksForImage(originalImage, originalFileStream, originalThumbnailFileStream, originalImage.IsEdited());
                        }
                    }

                    publicImage = CreateImage(rootFolderId, originalImage.OriginalFileName, originalImage.OriginalFileExtension, originalImage.Title, size, fileLength,
                                              thumbnailFileStream.Length);

                    mediaImageVersionPathService.SetPathForNewOriginal(publicImage, folderName, publicFileName);
                }
                else
                {
                    // Uploading new image
                    folderName     = mediaFileService.CreateRandomFolderName();
                    publicFileName = MediaImageHelper.CreatePublicFileName(fileName, Path.GetExtension(fileName));

                    // Create new original image and upload file stream to the storage
                    publicImage = CreateImage(rootFolderId, fileName, Path.GetExtension(fileName), fileName, size, fileLength, thumbnailFileStream.Length, filledInImage);
                    mediaImageVersionPathService.SetPathForNewOriginal(publicImage, folderName, publicFileName);
                }

                unitOfWork.BeginTransaction();
                repository.Save(publicImage);
                unitOfWork.Commit();

                StartTasksForImage(publicImage, fileStream, thumbnailFileStream);

                if (!reuploadMediaId.HasDefaultValue())
                {
                    // Update original id for version image
                    var originalMedia = repository.First <MediaImage>(image => image.Id == reuploadMediaId);
                    originalMedia.Original = publicImage;

                    unitOfWork.BeginTransaction();
                    while (true)
                    {
                        var preOriginalId  = originalMedia.Id;
                        var prePreOriginal = repository.FirstOrDefault <MediaImage>(i => i.Original != null && i.Original.Id == preOriginalId);
                        if (prePreOriginal != null)
                        {
                            prePreOriginal.Original = publicImage;
                            repository.Save(prePreOriginal);
                            preOriginalId = prePreOriginal.Id;
                        }
                        else
                        {
                            break;
                        }
                    }

                    repository.Save(originalMedia);
                    unitOfWork.Commit();
                }

                return(publicImage);
            }
        }