public static FileStatus IsValid(this IFormFile file, string[] acceptedFileTypes)
{
if (file == null)
{
return(FileStatus.Null);
}
if (file.Length <= 0)
{
return(FileStatus.Empty);
}
if (string.IsNullOrWhiteSpace(file.Name))
{
return(FileStatus.Null);
}
if (!FileValidator.IsSupported(file.Name, acceptedFileTypes))
{
return(FileStatus.InvalidType);
}
return(FileStatus.Valid);
}
public async Task <IActionResult> Upload(IFormFile file) // I should use other of uploading files instead
{
// e.g wwwroot/uploads (will be created if it didn't exist)
var uploadPath = Path.Combine(host.WebRootPath, "uploads");
if (!Directory.Exists(uploadPath))
{
Directory.CreateDirectory(uploadPath);
}
// Checks
if (file == null)
{
return(BadRequest("Null File"));
}
if (file.Length <= 0)
{
return(BadRequest("Empty File"));
}
if (!FileValidator.IsSupported(appSettings.AcceptedFileTypes, file.FileName))
{
return(BadRequest("Invalid File Type"));
}
//Generate a new file name in orde r to protect from hackers, e.g
// var fileName = Guid.NewGuid().ToString() + Path.GetExtension(file.FileName);
var fileName = Path.GetFileName(file.FileName);
// Generate an upload file path
var filePath = Path.Combine(uploadPath, fileName);
// Store file to file system
// TODO: log Error Cannot save file ...
using (var stream = new FileStream(filePath, FileMode.Create)) {
await file.CopyToAsync(stream);
}
// Get Data from file
// TODO: log Error Invalid File or Data Corrupted
ICollection <BNKSEEKEntity> uploaded = await GetDataAsync <BNKSEEKEntity>(
filePath,
// Mapper Configuration
new MapperConfiguration(cfg => { cfg.AddProfile(new DataTableToBNKSEEKProfile()); }
));
if (uploaded.Any())
{
// NOTE: Didn't work for me!
// Update entities with AutoMapper in DB Context REF: https://visualstudiomagazine.com/blogs/tool-tracker/2013/11/updating--entities-with-automapper.aspx
// var updated = mapper.Map(bnkSeekRecords, context.BNKSEEKRecords);
var source = await repository.GetAllAsync(true);
var updated = mapper.Map <ICollection <BNKSEEKEntity>, ICollection <BNKSEEKEntity> >(
source: uploaded,
destination: source
);
// Trying to Add records to DataBase
try
{
repository.AddAsync(uploaded);
await unitOfWork.CompleteAsync();
}
catch (Exception)
{
// Handling exception...
// TODO: log DataBase save exception
throw;
}
}
// Send Http status code 200
return(Ok());
}
