private void ValidateFile(ImageFileDTO imageFile)
{
if (imageFile == null)
{
throw new ServiceException(ExceptionType.NullException, $"Image file is null!");
}
if (!(imageFile.Name?.Length > 0))
{
throw new ServiceException("File name is empty!")
{
Type = ExceptionType.EmptyStringException
}
}
;
if (imageFile.FolderPath == null)
{
throw new ServiceException("Folder name is empty!")
{
Type = ExceptionType.EmptyStringException,
ExceptionValue = nameof(imageFile.FolderPath)
}
}
;
CheckFormatAndGetExtension(imageFile.Name);
}
public string GetImagePath(int fileId)
{
ImageFileDTO file = GetImageFileById(fileId)
?? throw new ServiceException(ExceptionType.NotFoundException,
$"File with id = {fileId} was not found!");
return($"{file.FolderPath}/{file.Name}");
}
public IHttpActionResult PutImageFile(ImageFileDTO file)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
return(Ok(_imageFileService.UpdateOrCreateImageFile(file)));
}
public int AddImageFile(ImageFileDTO file)
{
ValidateFile(file);
if (GetFileByNameAndFolder(file.Name, file.FolderPath) == null)
{
throw new ServiceException(ExceptionType.UniqueException,
"Such image file already exists!");
}
File fileDAL = _db.FileRepository.Add(_mapper.Map <File>(file));
_db.Save();
return(fileDAL.Id);
}
public int UpdateOrCreateImageFile(ImageFileDTO file)
{
if (file == null)
{
throw new ServiceException(ExceptionType.NullException, "Image file is null");
}
var unique = GetFileByNameAndFolder(file.Name, file.FolderPath);
if ((unique != null) && (unique.Id != file.Id))
{
return(unique.Id);
}
File fileDAL = _db.FileRepository.Get(file.Id);
if (fileDAL == null)
{
return(AddImageFile(file));
}
ValidateFile(file);
fileDAL.Folder = file.FolderPath;
fileDAL.Name = file.Name;
_db.Save();
return(fileDAL.Id);
}
