public async Task InsertFileAsync(Files.Models.File file)
{
if (file == default)
{
throw new NullReferenceException($"Parameter {nameof(file)} passed into {nameof(InsertFileAsync)} is null.");
}
await databaseContext.AddAsync(file);
}
public void DeleteFile(Files.Models.File file)
{
if (file == default)
{
throw new NullReferenceException($"Parameter {nameof(file)} passed into {nameof(DeleteFile)} is null.");
}
databaseContext.Files.Remove(file);
}
public async Task <Files.Models.File> GetFileAsync(string fileExternalId)
{
Files.Models.File file = await databaseContext.Files.FirstOrDefaultAsync(t => t.ExternalId == fileExternalId);
if (file == default)
{
throw new NullReferenceException($"{nameof(Files.Models.File)} with {nameof(fileExternalId)} = {fileExternalId} not exist.");
}
return(file);
}
public async Task <IActionResult> AddFile(IFormFile uploadedFile, string lD, string sD)
{
if (uploadedFile != null)
{
// путь к папке Files
string path = "/Files/" + uploadedFile.Name;
// сохраняем файл в папку Files в каталоге wwwroot
using (var fileStream = new FileStream(_appEnvironment.WebRootPath + path, FileMode.Create))
{
await uploadedFile.CopyToAsync(fileStream);
}
File file = new File {
Name = uploadedFile.FileName, Path = path, LongDescription = lD, ShortDescription = sD
};
_context.Files.Add(file);
_context.SaveChanges();
}
return(RedirectToAction("Index"));
}
public async Task DeleteFileAsync(string fileExternalId)
{
Files.Models.File file = await GetFileAsync(fileExternalId);
DeleteFile(file);
}
public async Task DeleteFileAsync(int fileId)
{
Files.Models.File file = await GetFileAsync(fileId);
DeleteFile(file);
}
public bool IsFileDefault(Files.Models.File file) => databaseContext.IsFileDefault(file);
private bool UserHaveAccessToFile(string userExternalId, Files.Models.File file) => file.UserExternalId.Equals(userExternalId);
public async Task <ActionResult <FileDto> > UploadFile(string userid)
{
if (!ExternalIdPassedGuidValidation(userid))
{
return(StatusCode(StatusCodes.Status400BadRequest, $"Invalid {nameof(userid)}."));
}
try
{
if (!await UserExists(userid))
{
return(StatusCode(StatusCodes.Status400BadRequest, "Unknown user external id."));
}
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex.Message));
}
IFormFile file;
try
{
file = Request.Form.Files[0];
if (file == default)
{
throw new NullReferenceException("File in request body does not exists.");
}
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status400BadRequest, ex.Message));
}
string filepath;
try
{
System.IO.DirectoryInfo dirInfo =
new System.IO.DirectoryInfo($"{appEnvironment.WebRootPath}/Storages/{userid}");
if (!dirInfo.Exists)
{
dirInfo.Create();
}
filepath = $"/Storages/{userid}/{file.FileName}";
using (System.IO.FileStream fileStream = new System.IO.FileStream(appEnvironment.WebRootPath + filepath, System.IO.FileMode.Create))
await file.CopyToAsync(fileStream);
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex.Message));
}
Files.Models.File newFile;
try
{
newFile = new Files.Models.File(filepath)
{
UserExternalId = userid
};
await databaseRepository.InsertFileAsync(newFile);
await databaseRepository.SaveChangesAsync();
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex.Message));
}
FileDto fileDto;
try
{
fileDto = mapper.Map <FileDto>(newFile);
}
catch (Exception ex)
{
return(StatusCode(StatusCodes.Status500InternalServerError, ex.Message));
}
return(Ok(fileDto));
}