public static void Initialize(VCardContext context, IFileProvider fileProvider)
{
context.Database.EnsureCreated();
// Look for any students.
if (context.VCards.Any())
{
return; // DB has been seeded
}
// Read from vCard file.
var fileInfo = fileProvider.GetFileInfo("/DemoFiles/RFC2426.vcf");
if (!fileInfo.Exists)
{
return;
}
using (var stream = fileInfo.CreateReadStream())
{
var vCards = VCardParser.ParseFromStream(new StreamReader(stream));
vCards.Sort(VCardSorter);
// Convert to Dto
var vCardDtoes = VCardConverter.CollectionToDtoes(vCards);
foreach (var vCardDto in vCardDtoes)
{
context.VCards.Add(vCardDto);
}
context.SaveChanges();
}
}
public async Task <IActionResult> UploadFiles(List <IFormFile> files, string fileEncoding, string propEncoding)
{
long size = files.Sum(f => f.Length);
// full path to file in temp location
var filePath = Path.GetTempFileName();
foreach (var formFile in files)
{
if (formFile.Length > 0)
{
using (var stream = new FileStream(filePath, FileMode.Create))
{
await formFile.CopyToAsync(stream);
}
}
}
// process uploaded files
// Don't rely on or trust the FileName property without validation.
try
{
using (var reader = new StreamReader(filePath, Encoding.GetEncoding(fileEncoding)))
{
BaseProperty.DefaultEncoding = Encoding.GetEncoding(propEncoding);
var vCards = VCardParser.ParseFromStream(reader);
var vCardDtoes = VCardConverter.CollectionToDtoes(vCards);
return(View("Index", vCardDtoes));
}
}
catch (Exception ex)
{
return(Ok(string.Format("Unable to parse file: {0}", ex.Message)));
}
}