public async Task <IActionResult> Export()
{
using (var memoryStream = new MemoryStream())
{
using (var zip = new ZipArchive(memoryStream, ZipArchiveMode.Create))
{
await WriteInFile(zip, "Posts.json", _context.GetAllPosts());
await WriteInFile(zip, "Visitations.json", _context.GetAllVisitations());
await WriteInFile(zip, "Symptoms.json", _context.GetAllSymptoms());
}
return(File(memoryStream.ToArray(), "application/json; charset=UTF-8", "Import.zip"));
}
}