/// <summary>
/// Создаёт объект FileModel и загружает его в папку www/files
/// </summary>
/// <param name="_context"></param>
/// <param name="_appEnvironment"></param>
/// <param name="uploadedFile"></param>
/// <param name="name"></param>
/// <returns></returns>
public async Task <FileModel> UploadFileAsync(IFormFile uploadedFile, string name, FileDataTypeEnum fileDataTypeEnum)
{
FileModel fileModel = new FileModel();
fileModel.ContentType = uploadedFile.ContentType;
fileModel.UploadDate = DateTime.Now;
fileModel.Name = name;
string fileName = await UploadFileToDisk(uploadedFile);
fileModel.FileName = Path.GetFileName(uploadedFile.FileName);
fileModel.Path = Path.Combine("files", fileName);;
if (Path.GetExtension(uploadedFile.FileName) == ".pdf")
{
fileModel.ContentType = "application/pdf";
}
_context.Files.Add(fileModel);
await _context.SaveChangesAsync();
FileToFileType ftf = new FileToFileType
{
FileDataTypeId = (int)fileDataTypeEnum,
FileModelId = fileModel.Id
};
_context.FileToFileTypes.Add(ftf);
await _context.SaveChangesAsync();
return(fileModel);
}
public async Task <IActionResult> Edit(int id, [Bind("FileToFileTypeId,FileModelId,FileDataTypeId")] FileToFileType fileToFileType)
{
if (id != fileToFileType.FileToFileTypeId)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(fileToFileType);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!FileToFileTypeExists(fileToFileType.FileToFileTypeId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["FileDataTypeId"] = new SelectList(_context.FileDataTypes, "FileDataTypeId", "FileDataTypeId", fileToFileType.FileDataTypeId);
ViewData["FileModelId"] = new SelectList(_context.Files, "Id", "Id", fileToFileType.FileModelId);
return(View(fileToFileType));
}
public async Task <IActionResult> Create([Bind("FileToFileTypeId,FileModelId,FileDataTypeId")] FileToFileType fileToFileType)
{
if (ModelState.IsValid)
{
_context.Add(fileToFileType);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["FileDataTypeId"] = new SelectList(_context.FileDataTypes, "FileDataTypeId", "FileDataTypeId", fileToFileType.FileDataTypeId);
ViewData["FileModelId"] = new SelectList(_context.Files, "Id", "Id", fileToFileType.FileModelId);
return(View(fileToFileType));
}
/// <summary>
/// Создаёт объект FileModel и загружает его в папку www/files
/// </summary>
/// <param name="_context"></param>
/// <param name="_appEnvironment"></param>
/// <param name="uploadedFile"></param>
/// <param name="name"></param>
/// <returns></returns>
public static async Task <FileModel> LoadFile(AppIdentityDBContext _context, IHostingEnvironment _appEnvironment, IFormFile uploadedFile, string name, FileDataTypeEnum fileDataTypeEnum)
{
FileModel fileModel = new FileModel();
fileModel.ContentType = uploadedFile.ContentType;
fileModel.Name = name;
string fileName = /*DateTime.Now.ToString("yyyy-MM-dd-") +*/
Guid.NewGuid().ToString() +
Path.GetExtension(uploadedFile.FileName);
// путь к папке files
string[] paths = { _appEnvironment.WebRootPath, "files", fileName };
string path = Path.Combine(paths);
// сохраняем файл в папку files в каталоге wwwroot
using (var fileStream = new FileStream(path, FileMode.Create))
{
await uploadedFile.CopyToAsync(fileStream);
}
fileModel.FileName = Path.GetFileName(uploadedFile.FileName);
fileModel.Path = Path.Combine("files", fileName);;
if (Path.GetExtension(uploadedFile.FileName) == ".pdf")
{
fileModel.ContentType = "application/pdf";
}
_context.Files.Add(fileModel);
await _context.SaveChangesAsync();
FileToFileType ftf = new FileToFileType
{
FileDataTypeId = (int)fileDataTypeEnum,
FileModelId = fileModel.Id
};
_context.FileToFileTypes.Add(ftf);
await _context.SaveChangesAsync();
return(fileModel);
}
public async Task <IActionResult> AddFile(IFormFile uploadedFile, int[] SelectedFileDataTypeIds, FileModel fileModel)
{
if (uploadedFile != null)
{
string fileName = /*DateTime.Now.ToString("yyyy-MM-dd-") +*/
Guid.NewGuid().ToString() +
Path.GetExtension(uploadedFile.FileName);
// путь к папке files
string[] paths = { _appEnvironment.WebRootPath, "files", fileName };
string path = Path.Combine(paths);
// сохраняем файл в папку files в каталоге wwwroot
using (var fileStream = new FileStream(path, FileMode.Create))
{
await uploadedFile.CopyToAsync(fileStream);
}
fileModel.FileName = Path.GetFileName(uploadedFile.FileName);
//fileModel.Path = path;
fileModel.Path = Path.Combine("files", fileName);
if (Path.GetExtension(uploadedFile.FileName) == ".pdf")
{
fileModel.ContentType = "application/pdf";
}
_context.Files.Add(fileModel);
_context.SaveChanges();
// Добавляем привязку к списку типов файлов
foreach (var selectedFileDataTypeId in SelectedFileDataTypeIds)
{
FileToFileType newElement = new FileToFileType();
newElement.FileDataTypeId = selectedFileDataTypeId;
newElement.FileModelId = fileModel.Id;
_context.FileToFileTypes.Add(newElement);
}
_context.SaveChanges();
}
return(RedirectToAction("Index"));
}
public async Task <IActionResult> Edit(FileModel fileModel, int[] SelectedFileDataTypeIds)
{
if (ModelState.IsValid)
{
try
{
FileModel file = _context.Files.SingleOrDefault(f => f.Id == fileModel.Id);
if (file == null)
{
return(NotFound());;
}
file.Name = fileModel.Name;
file.ContentType = fileModel.ContentType;
_context.Update(file);
await _context.SaveChangesAsync();
// Удаляем существующие привязки
var privyazki = _context.FileToFileTypes.Where(ftf => ftf.FileModelId == file.Id);
_context.FileToFileTypes.RemoveRange(privyazki);
// Добавляем привязку к списку типов файлов
foreach (var selectedFileDataTypeId in SelectedFileDataTypeIds)
{
FileToFileType newElement = new FileToFileType();
newElement.FileDataTypeId = selectedFileDataTypeId;
newElement.FileModelId = fileModel.Id;
_context.FileToFileTypes.Add(newElement);
}
_context.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
return(NotFound());
}
return(RedirectToAction(nameof(Index)));
}
return(View());
}
