public EjooUtilBotInstance(
ItemsQueueRepo itemsQueueRepo,
SubscriberRepo subscriberRepo,
ITelegramBotClient telegramClient,
ILogger <EjooUtilBotInstance> logger)
{
ItemsQueueRepo = itemsQueueRepo;
SubscriberRepo = subscriberRepo;
TelegramClient = telegramClient;
Logger = logger;
}
private void AddItem(Update update, SubscriberRecord subscriberRecord)
{
var item = new ItemRecord
{
BotInstanceId = BotInstanceId,
MessageId = update.Message.MessageId,
ChatId = subscriberRecord.ChatId,
};
if (update.Message.Type == MessageType.Photo)
{
item.ItemType = ItemRecord.ItemTypes.IMAGE;
item.FileId = update.Message.Photo[update.Message.Photo.Length - 1].FileId;
ItemsQueueRepo.Add(subscriberRecord, item);
}
else if (update.Message.Type == MessageType.Text)
{
var isUri = Uri.IsWellFormedUriString(update.Message.Text, UriKind.RelativeOrAbsolute);
item.ItemType = ItemRecord.ItemTypes.WEB_PAGE;
item.Text = update.Message.Text;
}
else if (update.Message.Type == MessageType.Document)
{
switch (update.Message.Document.MimeType)
{
case "application/pdf":
item.ItemType = ItemRecord.ItemTypes.PDF_FILE;
item.FileId = update.Message.Document.FileId;
ItemsQueueRepo.Add(subscriberRecord, item);
break;
case "image/jpeg":
case "image/png":
item.ItemType = ItemRecord.ItemTypes.IMAGE;
item.FileId = update.Message.Document.FileId;
ItemsQueueRepo.Add(subscriberRecord, item);
break;
}
}
}
private void Flush(Update update, SubscriberRecord subscriberRecord)
{
var currentSessionImages = ItemsQueueRepo.GetCurrentSessionImages(subscriberRecord).ToArray();
if (!currentSessionImages.Any())
{
TelegramClient.SendTextMessageAsync(subscriberRecord.ChatId, "چیزی برای تبدیل به پی دی اف وجود ندارد.",
replyMarkup: Keyboards.FlushMarkup);
return;
}
TelegramClient.SendTextMessageAsync(subscriberRecord.ChatId, $"در حال بارگزاری { currentSessionImages.Length } فایل",
replyMarkup: Keyboards.FlushMarkup);
var progreessMsgId = TelegramClient.SendTextMessageAsync(subscriberRecord.ChatId, GetProgressString(0, 10)).Result.MessageId;
var memStream = new MemoryStream();
using (var pdfWriter = new PdfWriter(memStream))
using (var pdfDoc = new PdfDocument(pdfWriter))
using (var document = new iText.Layout.Document(pdfDoc, new PageSize(0, 0)))
{
for (var i = 0; i < currentSessionImages.Length; i++)
{
var currentSessionImage = currentSessionImages[i];
switch (currentSessionImage.ItemType)
{
case ItemRecord.ItemTypes.IMAGE:
{
var imageStream = new MemoryStream();
var result = TelegramClient
.GetInfoAndDownloadFileAsync(currentSessionImage.FileId, imageStream).Result;
var image = new Image(ImageDataFactory.Create(imageStream.ToArray()));
pdfDoc.AddNewPage(new PageSize(image.GetImageWidth(), image.GetImageHeight()));
image.SetFixedPosition(pdfDoc.GetNumberOfPages(), 0, 0);
document.Add(image);
}
break;
case ItemRecord.ItemTypes.PDF_FILE:
{
try
{
var memoryStream = new MemoryStream();
var result = TelegramClient.GetInfoAndDownloadFileAsync(currentSessionImage.FileId, memoryStream).Result;
var bytes = memoryStream.ToArray();
var tempStream = new MemoryStream(bytes);
using (var pdfReader = new PdfReader(tempStream))
{
using (var newPdfDoc = new PdfDocument(pdfReader))
{
newPdfDoc.CopyPagesTo(1,
newPdfDoc.GetNumberOfPages(),
pdfDoc);
}
}
tempStream.Close();
memoryStream.Close();
}
catch (Exception exception)
{
var baseException = exception.GetBaseException();
Logger.LogError(baseException, "Read Pdf File Failed: {Message} -> {StackTrace}", baseException.Message, baseException.StackTrace);
}
}
break;
default:
break;
}
TelegramClient.EditMessageTextAsync(subscriberRecord.ChatId, progreessMsgId,
GetProgressString(i + 1, currentSessionImages.Length));
}
}
var resultEdit = TelegramClient.EditMessageTextAsync(subscriberRecord.ChatId, progreessMsgId, "در حال آپلود فایل...").Result;
SendPdf(subscriberRecord, memStream);
memStream.Close();
ItemsQueueRepo.ClearCurrentSessionImages(subscriberRecord);
}
