private static ImgHash GetImgHash(string f)
{
var hash = new ImgHash();
hash.GenerateFromPath(f);
return(hash);
}
private async Task<Boyan> ProcessImageBoyan(Message message)
{
var biggestPhoto = message.Photo.OrderByDescending(x => x.FileSize).FirstOrDefault();
var tempFolderPath = Path.Combine(AppContext.BaseDirectory, "Tmp");
if(Directory.Exists(tempFolderPath) == false)
Directory.CreateDirectory(tempFolderPath);
var filePath = Path.Combine(tempFolderPath, $"{Guid.NewGuid()}.jpg");
using (var stream = File.Create(filePath))
{
var file = await Bot.GetInfoAndDownloadFileAsync(biggestPhoto.FileId, stream);
}
var hash = new ImgHash();
hash.GenerateFromPath(filePath);
Boyan boyan = null;
foreach (var imageBoyan in Boyans.Items.Where(x => x.ImageHash != null))
{
var similarity = hash.CompareWith(imageBoyan.ImageHash);
if (similarity >= 99)
{
boyan = imageBoyan;
break;
}
}
if(boyan == null)
{
var newBoyan = new Boyan { ImageHash = hash.HashData, MessageId = message.MessageId.ToString(), ChatId = message.Chat.Id.ToString(), DateCreated = DateTimeOffset.UtcNow };
Boyans.Items.Add(newBoyan);
}
return boyan;
}