public IActionResult DeleteFile(int fileId)
{
UserStorageFileEntry delEntry = db.UserStorageFileEntries.Include(u => u.StorageFile).ThenInclude(s => s.UserStorageFileEntries).FirstOrDefault(u => u.UserName == User.Identity.Name && u.StorageFileId == fileId);
db.UserStorageFileEntries.Remove(delEntry);
if (delEntry.StorageFile.UserStorageFileEntries.Count == 1)
{
db.StorageFiles.Remove(delEntry.StorageFile);
}
db.SaveChanges();
return(RedirectToAction("Index"));
}
public IActionResult AddFile(IFormFileCollection uploads)
{
DayFilesListViewModel newFiles = new DayFilesListViewModel()
{
storageFileModels = new List <StorageFileModel>()
};
foreach (var uploadedFile in uploads)
{
byte[] fileData = null;
using (var binaryReader = new BinaryReader(uploadedFile.OpenReadStream()))
{
fileData = binaryReader.ReadBytes((int)uploadedFile.Length);
}
byte[] hashCode = null;
using (SHA256 sha256 = SHA256.Create())
{
hashCode = sha256.ComputeHash(fileData);
}
var existFile = db.StorageFiles.FirstOrDefault(s => s.HashCode == hashCode);
if (existFile != null)
{
var existEntry = db.UserStorageFileEntries.FirstOrDefault(u => u.UserName == User.Identity.Name && u.StorageFileId == existFile.Id);
if (existEntry == null)
{
UserStorageFileEntry userStorageOldFileEntry = new UserStorageFileEntry {
StorageFile = existFile, UserName = User.Identity.Name
};
db.UserStorageFileEntries.Add(userStorageOldFileEntry);
db.SaveChanges();
newFiles.storageFileModels.Add(new StorageFileModel {
Id = existFile.Id, Name = existFile.Name, UploadDate = userStorageOldFileEntry.UploadDate
});
}
continue;
}
StorageFile storageFile = new StorageFile {
ContentType = uploadedFile.ContentType, Name = uploadedFile.FileName, HashCode = hashCode
};
FileBlob fileBlob = new FileBlob {
Blob = fileData, StorageFile = storageFile
};
UserStorageFileEntry userStorageNewFileEntry = new UserStorageFileEntry {
StorageFile = storageFile, UserName = User.Identity.Name
};
db.StorageFiles.Add(storageFile);
db.FileBlobs.Add(fileBlob);
db.UserStorageFileEntries.Add(userStorageNewFileEntry);
db.SaveChanges();
newFiles.storageFileModels.Add(new StorageFileModel {
Id = storageFile.Id, Name = storageFile.Name, UploadDate = userStorageNewFileEntry.UploadDate
});
}
if (newFiles.storageFileModels.Count() != 0)
{
newFiles.Date = newFiles.storageFileModels.First().UploadDate.Date;
}
return(PartialView(newFiles));
}
