public IEnumerable<ImageFileData> GetAllImagesList(bool withFilesData)
{
Log("GetAllImagesList");
List<ImageFileData> images_collection = new List<ImageFileData>();
try
{
foreach (FileInfo fileInfo in GetAllImageFiles())
{
ImageFileData imageFileData = new ImageFileData() { FileName = fileInfo.Name, LastDateModified = fileInfo.LastWriteTime };
byte[] imageBytes = null;
if (withFilesData)
imageBytes = File.ReadAllBytes(fileInfo.FullName);
imageFileData.ImageData = imageBytes;
images_collection.Add(imageFileData);
}
}
catch (Exception e)
{
ServerFault fault = new ServerFault();
fault.FriendlyDiscription = "Some problems just has been occured on server!";
fault.Discription = e.Message;
throw new FaultException<ServerFault>(fault, new FaultReason(fault.Discription));
}
AddUpdateToSessionTable(images_collection.Count);
return images_collection;
}
public ImageFileData GetImageByName(string request_file_name)
{
Log("GetImageByName");
try
{
if (string.IsNullOrEmpty(request_file_name))
throw new ArgumentException("Invalid requested file name!", request_file_name);
IEnumerable<FileInfo> allImageFilesList = GetAllImageFiles();
FileInfo requestedImageFile = null;
requestedImageFile = allImageFilesList.SingleOrDefault(f => f.Name == request_file_name);
if (requestedImageFile == null)
throw new ArgumentException("File that you has requested doesn't exist!", request_file_name);
ImageFileData imageFileData = new ImageFileData() { FileName = requestedImageFile.Name, LastDateModified = requestedImageFile.LastWriteTime };
byte[] imageBytes = File.ReadAllBytes(requestedImageFile.FullName);
imageFileData.ImageData = imageBytes;
return imageFileData;
}
catch (Exception e)
{
ServerFault fault = new ServerFault();
fault.FriendlyDiscription = "Some problems just has been occured on service host!";
fault.Discription = e.Message;
throw new FaultException<ServerFault>(fault, new FaultReason(fault.Discription));
}
}
public void UploadImage(ImageFileData uploading_image)
{
Log("UploadImage");
try
{
if (string.IsNullOrEmpty(uploading_image.FileName))
throw new ArgumentException("Invalid upldoading file name", uploading_image.FileName);
if (uploading_image.ImageData == null || uploading_image.ImageData.Length == 0)
throw new ArgumentException("Uploaded file-data is empty!");
string newImageFileName = uploading_image.FileName;
string uploadFolder = ConfigurationManager.AppSettings["UploadFolder"];
string newImageFilePath = Path.Combine(uploadFolder, newImageFileName);
try
{
using (Stream targetStream = new FileStream(newImageFilePath, FileMode.OpenOrCreate, FileAccess.Write))
{
targetStream.Write(uploading_image.ImageData, 0, uploading_image.ImageData.Length);
}
}
catch (IOException)
{
throw new IOException("Error writing new file or overwriting existed file");
}
}
catch (Exception e)
{
ServerFault fault = new ServerFault();
fault.FriendlyDiscription = "Some problems just has been occured on service host!";
fault.Discription = e.Message;
throw new FaultException<ServerFault>(fault, new FaultReason(fault.Discription));
}
}
private int GetImagesCount()
{
int imagesCount = 0;
try
{
imagesCount = (new List<FileInfo>(GetAllImageFiles())).Count;
}
catch (Exception e)
{
ServerFault fault = new ServerFault();
fault.FriendlyDiscription = "Some problems just has been occured on server!";
fault.Discription = e.Message;
throw new FaultException<ServerFault>(fault, new FaultReason(fault.Discription));
}
return imagesCount;
}