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added Examples\Program_DownloadSavedMedia.cs

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Wizou 2021-10-06 08:21:42 +02:00
parent d96902a614
commit 87a85bec4b
2 changed files with 59 additions and 1 deletions
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59
Examples/Program_DownloadSavedMedia.cs Normal file
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@ -0,0 +1,59 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using TL;
namespace WTelegramClientTest
{
class Program_DownloadSavedMedia
{
static string Config(string what)
{
// go to Project Properties > Debug > Environment variables and add at least these: api_id, api_hash, phone_number
if (what == "verification_code") { Console.Write("Code: "); return Console.ReadLine(); }
return Environment.GetEnvironmentVariable(what);
}
static async Task Main(string[] args)
{
Console.WriteLine("The program will download photos/medias from messages you send/forward to yourself (Saved Messages)");
using var client = new WTelegram.Client(Config);
await client.ConnectAsync();
var user = await client.LoginUserIfNeeded();
client.Update += Client_Update;
Console.ReadKey();
async void Client_Update(ITLObject arg)
{
if (arg is not Updates { updates: var updates }) return;
foreach (var update in updates)
{
if (update is not UpdateNewMessage { message: Message message } || message.peer_id.ID != user.ID)
continue; // if it's not a new saved message, ignore it
if (message.media is MessageMediaDocument { document: Document document })
{
int slash = document.mime_type.IndexOf('/'); // quick & dirty conversion from Mime to extension
var filename = slash > 0 ? $"{document.id}.{document.mime_type[(slash + 1)..]}" : $"{document.id}.bin";
Console.WriteLine("Downloading " + filename);
using var fileStream = File.Create(filename);
await client.DownloadFileAsync(document, fileStream);
Console.WriteLine("Download finished");
}
else if (message.media is MessageMediaPhoto { photo: Photo photo })
{
var filename = $"{photo.id}.jpg";
Console.WriteLine("Downloading " + filename);
using var fileStream = File.Create(filename);
var type = await client.DownloadFileAsync(photo, fileStream);
fileStream.Close(); // necessary for the renaming
Console.WriteLine("Download finished");
if (type is not Storage_FileType.unknown and not Storage_FileType.partial)
File.Move(filename, Path.ChangeExtension(filename, type.ToString())); // rename extension
}
}
}
}
}
}

1
src/Client.cs
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@ -1150,7 +1150,6 @@ namespace WTelegram
Upload_FileBase fileBase;
try
{
Console.WriteLine($"LoadPart {offset}");
fileBase = await client.Upload_GetFile(fileLocation, offset, FilePartSize);
}
catch (RpcException ex) when (ex.Code == 303 && ex.Message.StartsWith("FILE_MIGRATE_"))